Alert archive / Colorado / Winter Storm Warnings in 2021
Winter Storm Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Mar 11, 2021, 2:29 PM MST for 17 counties in Colorado. It took effect at Mar 13, 2021, 12:00 AM MST. It was in force for 51 hr. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 11, 2021, 2:29 PM MST (21:29 UTC)
- In effect from
- Mar 13, 2021, 12:00 AM MST
- Expired
- Mar 15, 2021, 4:04 AM MDT
- In force
- 51 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Morgan County, CO, Park County, CO, Summit County, CO, Weld County, CO
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 13, 1:09 PM MST | SNOW 1.5 | 3 Nne Foxfield, CO | |
| Mar 13, 2:02 PM MST | SNOW 2.1 | 3 Sse Aurora, CO | |
| Mar 13, 2:13 PM MST | SNOW 2.5 | 2 E Sunshine, CO | |
| Mar 13, 2:50 PM MST | SNOW 3 | 2 E Sunshine, CO | |
| Mar 13, 2:54 PM MST | SNOW 3.5 | 4 Ene Nederland, CO | |
| Mar 13, 3:02 PM MST | SNOW 2.2 | 1 Nne Evergreen, CO | |
| Mar 13, 4:06 PM MST | SNOW 1.3 | 2 Ssw Rocky Flats, CO | |
| Mar 13, 4:30 PM MST | SNOW 1.2 | Greeley, CO | |
| Mar 13, 4:33 PM MST | SNOW 3 | 1 N Aspen Springs, CO | |
| Mar 13, 4:45 PM MST | SNOW 1.8 | 1 Nnw Louisville, CO | |
| Mar 13, 5:00 PM MST | SNOW 2 | 3 Sw Meeker Park, CO | COPELAND LAKE SNOTEL. SWE 0.1 INCH. |
| Mar 13, 5:00 PM MST | SNOW 2.1 | 3 Ssw Boulder, CO | NWS OFFICE. |
| Mar 13, 5:00 PM MST | SNOW 2.1 | 4 W Arvada, CO | |
| Mar 13, 5:00 PM MST | SNOW 3 | Bear Lake, CO | BEAR LAKE SNOTEL. SWE 0.3 INCH. |
| Mar 13, 5:00 PM MST | SNOW 4 | 11 Nnw Rabbit Ears Pass, CO | TOWER SNOTEL. SWE 0.3 INCH. |
| Mar 13, 5:00 PM MST | SNOW 4 | 5 Ssw Blue River, CO | HOOSIER PASS SNOTEL. SWE 0.3 INCH. |
| Mar 13, 5:00 PM MST | SNOW 4 | 8 Ssw Copper Mountain, CO | FREMONT PASS SNOTEL. SWE 0.3 INCH. |
| Mar 13, 5:00 PM MST | SNOW 4.5 | Denver Intl Airport, CO | |
| Mar 13, 5:00 PM MST | SNOW 6 | 1 E Trail Ridge, CO | WILLOW PARK SNOTEL. SWE 0.5 INCH. |
| Mar 13, 5:00 PM MST | SNOW 6 | 1 Ne Echo Lake, CO | ECHO LAKE SNOTEL. SWE 0.5 INCH. |
| Mar 13, 5:00 PM MST | SNOW 9 | 9 Se Weston Pass, CO | ROUGH AND TUMBLE SNOTEL. SWE 0.6 INCH. |
| Mar 13, 5:07 PM MST | SNOW 4 | 1 Nnw Genesee, CO | |
| Mar 13, 5:20 PM MST | SNOW 3 | 1 Wnw Ponderosa Park, CO | |
| Mar 13, 5:34 PM MST | SNOW 2 | 4 Ene Laporte, CO | |
| Mar 13, 5:35 PM MST | SNOW 3.2 | 4 Ese Foxfield, CO | |
| Mar 13, 5:40 PM MST | SNOW 3.1 | Wah Keeney Park, CO | |
| Mar 13, 5:47 PM MST | SNOW 3.3 | Elizabeth, CO | |
| Mar 13, 5:59 PM MST | SNOW 4 | 1 Ssw Crescent Village, CO | |
| Mar 13, 6:00 PM MST | SNOW 0.5 | Arvada, CO | |
| Mar 13, 6:00 PM MST | SNOW 1.4 | 1 Nne Longmont, CO | |
| Mar 13, 6:00 PM MST | SNOW 1.8 | 1 S Loveland, CO | |
| Mar 13, 6:00 PM MST | SNOW 2.6 | Fort Collins, CO | |
| Mar 13, 6:00 PM MST | SNOW 2.7 | 3 Wnw Arvada, CO | |
| Mar 13, 6:00 PM MST | SNOW 3 | 1 Se Fort Collins, CO | |
| Mar 13, 6:03 PM MST | SNOW 3.7 | 1 W Aspen Springs, CO | |
| Mar 13, 6:05 PM MST | SNOW 3.5 | 1 Nne Evergreen, CO | |
| Mar 13, 6:06 PM MST | SNOW 2.5 | 2 Nnw Golden, CO | |
| Mar 13, 6:11 PM MST | SNOW 1.6 | 2 E Denver, CO | |
| Mar 13, 6:20 PM MST | SNOW 3 | 2 N Loveland, CO | |
| Mar 13, 6:29 PM MST | SNOW 3 | 2 Nnw Marshall, CO | |
| Mar 13, 6:30 PM MST | SNOW 2.9 | 1 W Lone Tree, CO | |
| Mar 13, 6:30 PM MST | SNOW 3 | 2 Nw Fort Collins, CO | |
| Mar 13, 6:30 PM MST | SNOW 6 | Wah Keeney Park, CO | 1 INCH PER HOUR. |
| Mar 13, 6:40 PM MST | SNOW 4.6 | 3 Wnw Loveland, CO | |
| Mar 13, 7:00 PM MST | SNOW 3.9 | 3 Ssw Boulder, CO | NWS OFFICE. 1.8 INCHES PAST 2 HOURS. |
| Mar 13, 7:00 PM MST | SNOW 4.1 | 1 Ssw Fort Lupton, CO | COCORAHS STATION CO-WE-485 FORT LUPTON 1.2 SSW. |
| Mar 13, 7:00 PM MST | SNOW 5 | 1 Sse Laporte, CO | 1 INCH PER HOUR. |
| Mar 13, 7:06 PM MST | SNOW 3.1 | 1 Wnw Northglenn, CO | |
| Mar 13, 7:32 PM MST | SNOW 5 | 1 Ssw Meeker Park, CO | 1.6 PAST HOUR. |
| Mar 13, 7:37 PM MST | SNOW 3.5 | 3 Nne Foxfield, CO | |
| Mar 13, 7:45 PM MST | SNOW 2.5 | 1 Nw Niwot, CO | |
| Mar 13, 7:45 PM MST | SNOW 3.3 | Estes Park, CO | |
| Mar 13, 7:47 PM MST | SNOW 3.4 | 2 Nw Loveland, CO | |
| Mar 13, 8:01 PM MST | SNOW 8 | 4 Ene Nederland, CO | |
| Mar 13, 8:05 PM MST | SNOW 4.5 | 1 N Berthoud, CO | 1.5 INCHES PAST HOUR. |
| Mar 13, 8:23 PM MST | SNOW 5.1 | 1 Nne Evergreen, CO | |
| Mar 13, 8:30 PM MST | SNOW 6.1 | 1 W Aspen Springs, CO | |
| Mar 13, 8:31 PM MST | SNOW 4.1 | 3 Ssw Barr Lake, CO | |
| Mar 13, 8:53 PM MST | SNOW 7 | 4 S Barr Lake, CO | |
| Mar 13, 8:54 PM MST | SNOW 4 | 4 Ene Laporte, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 9.5 hours before the alert went out and 163 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1177 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- 166 m²/s²
- 0-3 km storm-relative helicity
- 210 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
886 WWUS45 KBOU 112129 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 229 PM MST Thu Mar 11 2021 ...POWERFUL WINTER STORM ON TRACK FOR THIS WEEKEND... .A significant late season winter storm will move across the Desert Southwest Friday to near the Four Corners region by Saturday, and then track east/northeast across southeast Colorado Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel from Saturday afternoon through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. Temperatures will be warm enough to bring a mix of rain and snow to areas east of a Greeley to Limon line Saturday into Saturday evening, but temperatures should turn cold enough there Saturday night into Sunday for mostly snow. Winds are also expected to increase by Sunday, with blowing and drifting snow developing across the plains. COZ033>036-121200- /O.UPG.KBOU.WS.A.0001.210313T0000Z-210315T1200Z/ /O.NEW.KBOU.WS.W.0004.210313T0700Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 229 PM MST Thu Mar 11 2021 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT MST FRIDAY NIGHT TO 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible, except 10 to 20 inches possible west of the Eisenhower Tunnel. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From Midnight MST Friday Night to 6 AM MDT Monday. * IMPACTS...Travel could be impossible due to the depth of the accumulating snow. * ADDITIONAL DETAILS...Finish preparations for this storm by Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-121200- /O.UPG.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ /O.NEW.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 229 PM MST Thu Mar 11 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 AM MST SATURDAY TO 6 AM MDT MONDAY... * WHAT...Heavy snow possible. Total snow accumulations of 14 to 24 inches possible. Accumulations up to 30 inches possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...From 5 AM MST Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Finish preparation for this storm by Friday. Conditions will likely deteriorate quickly Saturday as the storm arrives. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044>046-048>051-121200- /O.CON.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties-North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Sedgwick County-Phillips County- Including the cities of Wiggins, Fort Morgan, Hugo, Otis, Julesburg, Sedgwick, Briggsdale, Leader, Sterling, Pawnee Buttes, Cope, Akron, Raymer, Amherst, Ovid, Matheson, Peetz, Grover, Deer Trail, Byers, Agate, Haxtun, Last Chance, Goodrich, Stoneham, Bennett, Crook, Holyoke, Brush, Limon, and Merino 229 PM MST Thu Mar 11 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE FRIDAY NIGHT THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible, but it will also be mixed with rain at times. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts possible west of a Sterling to Limon line. The far eastern plains may end up with mostly rain. Winds could gust as high as 40 mph. * WHERE...Portions of east central and northeast Colorado. * WHEN...From late Friday night through late Sunday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation, as the rain/snow transition will be key to snow accumulation forecasts. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
13 follow-up statements
155 WWUS45 KBOU 121117 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 417 AM MST Fri Mar 12 2021 ...POWERFUL WINTER STORM ON TRACK FOR THIS WEEKEND... .A significant late season winter storm will move across the Desert Southwest Friday to near the Four Corners region by Saturday, and then track east/northeast across southeast Colorado Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel from Saturday afternoon through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. Temperatures will be warm enough to bring a mix of rain and snow to areas east of a Greeley to Limon line Saturday into Saturday evening, but temperatures should turn cold enough there Saturday night into Sunday for mostly snow. Winds are also expected to increase by Sunday, with blowing and drifting snow developing across the plains. COZ033>036-122330- /O.CON.KBOU.WS.W.0004.210313T0700Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 417 AM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT MST TONIGHT TO 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible, except 10 to 20 inches possible west of the Eisenhower Tunnel. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From Midnight MST tonight to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Finish preparations for this storm by Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-122330- /O.CON.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 417 AM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM MST SATURDAY TO 6 AM MDT MONDAY... * WHAT...Heavy snow possible. Total snow accumulations of 12 to 24 inches possible. Accumulations up to 30 inches possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...From 5 AM MST Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Finish preparation for this storm by Friday. Conditions will likely deteriorate quickly Saturday as the storm arrives. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044>046-048>051-122330- /O.CON.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties-North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Sedgwick County-Phillips County- Including the cities of Wiggins, Fort Morgan, Hugo, Otis, Julesburg, Sedgwick, Briggsdale, Leader, Sterling, Pawnee Buttes, Cope, Akron, Raymer, Amherst, Ovid, Matheson, Peetz, Grover, Deer Trail, Byers, Agate, Haxtun, Last Chance, Goodrich, Stoneham, Bennett, Crook, Holyoke, Brush, Limon, and Merino 417 AM MST Fri Mar 12 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible, but it will also be mixed with rain at times. Total snow accumulations of 2 to 14 inches possible, with the heaviest amounts possible west of a Fort Morgan to Limon line. The far eastern plains may end up with mostly rain. Winds could gust as high as 40 mph. * WHERE...Portions of east central and northeast Colorado. * WHEN...From late tonight through late Sunday night. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Danielson
729 WWUS45 KBOU 121803 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1103 AM MST Fri Mar 12 2021 ...POWERFUL WINTER STORM ON TRACK FOR THIS WEEKEND... .A significant late season winter storm will move across the Desert Southwest Friday to near the Four Corners region by Saturday, and then track east/northeast across southeast Colorado Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel from late Saturday afternoon or evening through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow to areas east of a Fort Morgan to Limon line Saturday into Saturday evening, but temperatures should turn cold enough there Saturday night into Sunday for mostly snow. Winds are also expected to increase by Sunday, with blowing and drifting snow developing across the plains. COZ033>036-130215- /O.CON.KBOU.WS.W.0004.210313T0700Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 1103 AM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT MST TONIGHT TO 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible with the heaviest totals in the northern Front Range Foothills. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From Midnight MST tonight to 6 AM MDT Monday. * IMPACTS...Travel could be impossible due to the depth of the accumulating snow. * ADDITIONAL DETAILS...Finish preparations for this storm today. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-130215- /O.CON.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 1103 AM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM MST SATURDAY TO 6 AM MDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 24 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...From 5 AM MST Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Finish preparation for this storm today. Conditions will deteriorate Saturday as the storm arrives, but the most severe conditions will likely hold off until Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044>046-048>051-130215- /O.CON.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties-North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Sedgwick County-Phillips County- Including the cities of Wiggins, Fort Morgan, Hugo, Otis, Julesburg, Sedgwick, Briggsdale, Leader, Sterling, Pawnee Buttes, Cope, Akron, Raymer, Amherst, Ovid, Matheson, Peetz, Grover, Deer Trail, Byers, Agate, Haxtun, Last Chance, Goodrich, Stoneham, Bennett, Crook, Holyoke, Brush, Limon, and Merino 1103 AM MST Fri Mar 12 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM EARLY SATURDAY MORNING THROUGH LATE SUNDAY NIGHT... * WHAT...Heavy snow possible, but it will also be mixed with rain at times. Total snow accumulations of 2 to 14 inches possible, with the heaviest amounts possible west of a Sterling to Fort Morgan to Limon line. The far eastern plains may end up with mostly rain. Winds could gust as high as 40 mph. * WHERE...Portions of east central and northeast Colorado. * WHEN...From early Saturday morning through late Sunday night. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
665 WWUS45 KBOU 122117 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 217 PM MST Fri Mar 12 2021 ...POWERFUL WINTER STORM ON TRACK FOR THIS WEEKEND... .A significant late season winter storm will move from the Desert Southwest to near the Four Corners region by Saturday, and then track east/northeast across southeast Colorado Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel from late Saturday afternoon or evening through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow to areas east of a Fort Morgan to Limon line Saturday into Saturday evening, but temperatures should turn cold enough there Saturday night into Sunday for mostly snow. Winds are also expected to increase by Sunday, with blowing and drifting snow developing across the plains. COZ050-051-122230- /O.CAN.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ Sedgwick County-Phillips County- Including the cities of Ovid, Holyoke, Julesburg, Amherst, Sedgwick, and Haxtun 217 PM MST Fri Mar 12 2021 ...WINTER STORM WATCH IS CANCELLED... Mostly rain is expected, although some light snow accumulations will still occur. Some possibly early Saturday morning, and then again late Saturday night through Sunday night. $$ COZ042-044-045-130530- /O.UPG.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ /O.EXA.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 217 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 AM MST SATURDAY TO 6 AM MDT MONDAY... * WHAT...Heavy snow expected, but it will also be mixed with rain at times. Total snow accumulations of 6 to 16 inches possible, with the heaviest amounts possible west and northwest of Fort Morgan. Winds could gust as high as 40 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...From 5 AM MST Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ033>036-130530- /O.CON.KBOU.WS.W.0004.210313T0700Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 217 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT MST TONIGHT TO 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible with the heaviest totals in the northern Front Range Foothills. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...From Midnight MST tonight to 6 AM MDT Monday. * IMPACTS...Travel could be impossible due to the depth of the accumulating snow. * ADDITIONAL DETAILS...Finish preparations for this storm today. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-130530- /O.CON.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 217 PM MST Fri Mar 12 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM MST SATURDAY TO 6 AM MDT MONDAY... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 24 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...From 5 AM MST Saturday to 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Finish preparation for this storm today. Conditions will deteriorate Saturday as the storm arrives, but the most severe conditions will likely hold off until Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ046-048-049-130530- /O.UPG.KBOU.WS.A.0001.210313T0700Z-210315T1200Z/ /O.NEW.KBOU.WW.Y.0019.210313T0700Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 217 PM MST Fri Mar 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT MST TONIGHT TO 6 AM MDT MONDAY... * WHAT...Mixed precipitation expected. Total snow accumulations of 3 to 10 inches, and a light glaze of ice on elevated surfaces late tonight and early Saturday morning. Winds gusting as high as 35 mph. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...From Midnight MST tonight to 6 AM MDT Monday. * IMPACTS...Travel could be slippery at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ030-032-037-130530- /O.NEW.KBOU.WW.Y.0019.210313T1200Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 217 PM MST Fri Mar 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MST SATURDAY TO 1 AM MDT MONDAY... * WHAT...Snow expected. Total snow accumulations of 5 to 12 inches. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...From 5 AM MST Saturday to 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-130530- /O.NEW.KBOU.WW.Y.0019.210313T1200Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 217 PM MST Fri Mar 12 2021 ...WINTER WEATHER ADVISORY IN EFFECT FROM 5 AM MST SATURDAY TO 1 AM MDT MONDAY... * WHAT...Snow and blowing snow expected. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 45 mph. * WHERE...Rabbit Ears Pass. * WHEN...From 5 AM MST Saturday to 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
356 WWUS45 KBOU 131120 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 420 AM MST Sat Mar 13 2021 ...POWERFUL WINTER STORM ON TRACK FOR THIS WEEKEND... .A significant late season winter storm now across Utah and Arizona will move to near the Four Corners region by midday today, and then track east/northeast across southeast Colorado Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel from late Saturday afternoon or evening through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow to areas east of a Fort Morgan to Limon line today into Saturday evening, but temperatures should turn cold enough there Saturday night into Sunday for mostly snow. Winds are also expected to increase by Sunday, with blowing and drifting snow possible across the plains. COZ033>036-132215- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 420 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible with the heaviest totals in the northern Front Range Foothills. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-132215- /O.CON.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 420 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow expected by late this morning and continuing into Sunday. Total snow accumulations of 12 to 24 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. * ADDITIONAL DETAILS...Conditions will deteriorate today as the storm arrives, but the most severe conditions will likely hold off until Saturday evening. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-132215- /O.CON.KBOU.WS.W.0004.210313T1200Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 420 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow expected by this afternoon, but it will also be mixed with rain at times. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts possible west and northwest of Fort Morgan. Winds could gust as high as 40 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ046-048-049-132215- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 420 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow showers and even an isolated thunderstorm is possible today through Sunday. Total snow accumulations of 2 to 9 inches by Sunday evening. Winds gusting as high as 35 mph on Sunday afternoon. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ030-032-037-132215- /O.CON.KBOU.WW.Y.0019.210313T1200Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 420 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow expected to increase by later this morning and continue through Sunday. Total snow accumulations of 5 to 12 inches. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-132215- /O.CON.KBOU.WW.Y.0019.210313T1200Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 420 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow expected to increase later this morning. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 45 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Entrekin
596 WWUS45 KBOU 131703 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1003 AM MST Sat Mar 13 2021 ...POWERFUL WINTER STORM MOVES IN TODAY... .A significant late season winter storm near the Four Corners region will track slowly east/northeast across southeast Colorado late tonight and Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel from late this afternoon or evening through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow across all of the plains early in this event, and then mainly to areas east of a Fort Morgan to Limon line as the storm matures through Sunday. Winds are also expected to increase by Sunday, with blowing and drifting snow possible across the plains and I-25 Corridor. COZ033>036-140115- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 1003 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible with the heaviest totals in the northern Front Range Foothills. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be impossible due to the depth of the accumulating snow. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-140115- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 1003 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times, expected this afternoon through Sunday. Total snow accumulations of 12 to 24 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible tonight and Sunday. * ADDITIONAL DETAILS...Conditions will deteriorate today as the storm arrives, but the most severe conditions will likely hold off until tonight and Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-140115- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 1003 AM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times from this afternoon through Sunday, but it will also be mixed with rain at times. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts possible west and northwest of Fort Morgan. Some thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible tonight and Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-140115- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 1003 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow expected to increase this afternoon and continue through Sunday. Total snow accumulations of 5 to 12 inches. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-140115- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 1003 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow expected to increase this afternoon and continue through Sunday. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 45 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-140115- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 1003 AM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow showers and even an isolated thunderstorm is possible today through Sunday. Total snow accumulations of 2 to 9 inches by Sunday evening. Winds gusting as high as 35 mph on Sunday afternoon. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be slippery at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
596 WWUS45 KBOU 132223 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 323 PM MST Sat Mar 13 2021 ...POWERFUL WINTER STORM WITH DIFFICULT OR IMPOSSIBLE TRAVEL CONDITIONS ALONG THE FRONT RANGE TONIGHT AND SUNDAY... .A significant late season winter storm near the Four Corners region will track slowly east/northeast across southeast Colorado late tonight and Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow across the plains mainly east of a Fort Morgan to Limon line as the storm matures through Sunday. Winds are also expected to increase Sunday, with some blowing and drifting snow possible across the plains and I-25 Corridor. COZ033>036-140630- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 323 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible with the heaviest totals in the northern Front Range Foothills. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel will likely be impossible due to the depth of the accumulating snow. Scattered power outages will be possible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-140630- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 323 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times, expected tonight through Sunday. Total snow accumulations of 12 to 24 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible tonight and Sunday. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-140630- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 323 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times from this afternoon through Sunday, but it will also be mixed with rain at times. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts most likely west and northwest of Fort Morgan. Some thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible in the areas that see the heavier totals. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-140630- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 323 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow. Total snow accumulations of 5 to 14 inches, heaviest in South Park and areas close to Fraser and Grand Lake. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-140630- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 323 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-140630- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 323 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow, and even isolated thunderstorms, through Sunday. Total snow accumulations of 2 to 9 inches. Winds gusting as high as 35 mph on Sunday afternoon. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be hazardous with snow and slush covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
230 WWUS45 KBOU 140509 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1009 PM MST Sat Mar 13 2021 ...POWERFUL WINTER STORM WITH DIFFICULT OR IMPOSSIBLE TRAVEL CONDITIONS ALONG THE FRONT RANGE TONIGHT AND SUNDAY... .A significant late season winter storm near the Four Corners region will track slowly east/northeast across southeast Colorado late tonight and Sunday. This track will bring significant snowfall to much of northeast and north central Colorado, and likely result in difficult if not impossible travel through Sunday and Sunday night. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where 2 to 4 feet of snow may fall, and along the I-25 Urban Corridor where up to 2 feet of snow can be expected. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow across the plains mainly east of a Fort Morgan to Limon line as the storm matures through Sunday. Winds are also expected to increase Sunday, with some blowing and drifting snow possible across the plains and I-25 Corridor. COZ033>036-141715- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 1009 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet possible with the heaviest totals in the northern Front Range Foothills. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-141715- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 1009 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times, expected tonight through Sunday. Total snow accumulations of 12 to 20 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-141715- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 1009 PM MST Sat Mar 13 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times, expected tonight through Sunday. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts most likely west and northwest of Fort Morgan. Some thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-141715- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 1009 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow. Total snow accumulations of 5 to 14 inches, heaviest in South Park and areas close to Fraser and Grand Lake. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-141715- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 1009 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-141715- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 1009 PM MST Sat Mar 13 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow, and isolated thunderstorms, through Sunday. Total snow accumulations of 2 to 9 inches. Winds gusting as high as 35 mph on Sunday afternoon. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Danielson
685 WWUS45 KBOU 141526 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 926 AM MDT Sun Mar 14 2021 ...POWERFUL WINTER STORM WITH DIFFICULT OR IMPOSSIBLE TRAVEL CONDITIONS ALONG THE FRONT RANGE TODAY... .Difficult if not impossible travel can be expected across the Front Range and I-25 Corridor through this evening. A significant late season winter storm centered over southeast Colorado will nearly stall today, and then lift slowly northeast and weaken tonight. Significant snow accumulations have already occurred across the Front Range Mountains and Foothills, with a few spots already seeing greater than 2 feet, and well over a foot in the Fort Collins area. Snow will be heavy at times through the day in and near the Front Range and I-25 Corridor. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where totals of 2 to 4 feet can be expected, and along the I-25 Urban Corridor where 1 to 2 feet will likely fall. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow across the plains mainly east of a Sterling to Limon line. Winds will gust to between 30 and 40 mph, producing areas of blowing and drifting snow, and reduced visibility. COZ033>036-142330- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 926 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel will likely be impossible due to the depth of the accumulating snow. Scattered power outages can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-142330- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 926 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times, expected tonight through Sunday. Total snow accumulations of 12 to 20 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Winds could gust as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult or impossible. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-142330- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 926 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times today, then snow gradually decreasing overnight. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts most likely west and northwest of Fort Morgan. Some thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible in the areas that see the heavier totals. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-142330- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 926 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow. Total snow accumulations of 5 to 14 inches, heaviest in South Park and areas close to Fraser and Grand Lake. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-142330- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 926 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads, and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-142330- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 926 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow, and isolated thunderstorms, today. Then turning to all snow this evening. Total snow accumulations of 2 to 9 inches. Winds gusting as high as 35 mph. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be hazardous with snow and slush covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
512 WWUS45 KBOU 141540 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 940 AM MDT Sun Mar 14 2021 ...POWERFUL WINTER STORM WITH DIFFICULT OR IMPOSSIBLE TRAVEL CONDITIONS ALONG THE FRONT RANGE TODAY... .Difficult if not impossible travel can be expected across the Front Range and I-25 Corridor through this evening. A significant late season winter storm centered over southeast Colorado will nearly stall today, and then lift slowly northeast and weaken tonight. Significant snow accumulations have already occurred across the Front Range Mountains and Foothills, with a few spots already seeing greater than 2 feet, and well over a foot in the Fort Collins area. Snow will be heavy at times through the day in and near the Front Range and I-25 Corridor. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where totals of 2 to 4 feet can be expected, and along the I-25 Urban Corridor where 1 to 2 feet will likely fall. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow across the plains mainly east of a Sterling to Limon line. Winds will gust to between 30 and 40 mph, producing areas of blowing and drifting snow, and reduced visibility. COZ033>036-142345- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 940 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel will likely be impossible due to the depth of the accumulating snow. Scattered power outages can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ038>041-043-142345- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 940 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times, expected tonight through Sunday. Total snow accumulations of 12 to 20 inches expected, with locally heavier amounts possible near Boulder and Fort Collins. Winds could gust as high as 40 mph with areas of blowing and drifting snow. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult or impossible. Areas of blowing snow could significantly reduce visibility. Scattered power outages can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-142345- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 940 AM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times today, then snow gradually decreasing overnight. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts most likely west and northwest of Fort Morgan. Some thundersnow is possible. Winds could gust as high as 35 mph. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible in the areas that see the heavier totals. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-142345- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 940 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow. Total snow accumulations of 5 to 14 inches, heaviest in South Park and areas close to Fraser and Grand Lake. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-142345- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 940 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads, and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-142345- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 940 AM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow, and isolated thunderstorms, today. Then turning to all snow this evening. Total snow accumulations of 2 to 9 inches. Winds gusting as high as 35 mph. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be hazardous with snow and slush covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
377 WWUS45 KBOU 141819 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1219 PM MDT Sun Mar 14 2021 ...BLIZZARD CONDITIONS WITH DIFFICULT OR IMPOSSIBLE TRAVEL ALONG THE FRONT RANGE THROUGH THIS EVENING... .Difficult if not impossible travel can be expected across the Front Range and I-25 Corridor through this evening due to blizzard conditions. A significant late season winter storm centered over southeast Colorado will nearly stall today, and then lift slowly northeast and weaken tonight. Significant snow accumulations have already occurred across the Front Range Mountains and Foothills, with a few spots already seeing greater than 2 feet, and well over a foot in the Fort Collins area. Snow will be heavy at times through the day in and near the Front Range and I-25 Corridor. The most severe conditions from deep accumulating snow will likely occur in and near the Front Range Mountains and Foothills where totals of 2 to 4 feet can be expected, and along the I-25 Urban Corridor where 1 to 2 feet will likely fall. The favored locations for the heaviest snow totals along the I-25 Corridor will be from Boulder north through the Fort Collins area. Temperatures will be warm enough to bring a mix of rain and snow across the plains mainly east of a Sterling to Limon line. Winds will gust to between 35 and 45 mph, producing significant blowing and drifting snow and blizzard conditions across the I-25 Corridor. COZ038>041-043-150230- /O.UPG.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ /O.NEW.KBOU.BZ.W.0005.210314T1819Z-210315T0600Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 1219 PM MDT Sun Mar 14 2021 ...BLIZZARD WARNING IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Blizzard conditions ongoing. Additional snow accumulations of 2 to 6 inches, with storm totals of 14 to 24 inches, heaviest Boulder to Fort Collins corridor. Winds gusting as high as 45 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until Midnight MDT tonight. * IMPACTS...Do not travel. Blowing and drifting snow will significantly reduce visibility with whiteout conditions at times. Scattered power outages can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ033>036-150230- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 1219 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Heavy snow. Total snow accumulations of 2 to 4 feet. Locations west of the Eisenhower Tunnel will receive 8 to 16 inches. Winds could gust as high as 35 mph. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel will likely be impossible due to the depth of the accumulating snow. Scattered power outages can be expected. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-150230- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 1219 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times today, then snow gradually decreasing overnight. Total snow accumulations of 4 to 16 inches possible, with the heaviest amounts most likely west and northwest of Fort Morgan. Some thundersnow is possible. Winds could gust as high as 35 mph with areas of blowing and drifting snow. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be very difficult to impossible in the areas that see the heavier totals. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-150230- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 1219 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow. Total snow accumulations of 5 to 14 inches, heaviest in South Park and areas close to Fraser and Grand Lake. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-150230- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 1219 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow. Total snow accumulations of 7 to 16 inches. Winds gusting as high as 40 mph. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Travel will be hazardous with slick and snow covered roads, and reduced visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-150230- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 1219 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Mixed rain and snow, and isolated thunderstorms, today. Then turning to all snow this evening. Total snow accumulations of 2 to 9 inches. Winds gusting as high as 35 mph. Heaviest snow amounts expected northwest of Sterling, and around the Limon area. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Travel could be hazardous with snow and slush covered roads. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Barjenbruch
297 WWUS45 KBOU 150424 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1024 PM MDT Sun Mar 14 2021 ...STRONG STORM SYSTEM CONTINUES TO IMPACT NORTHERN COLORADO TONIGHT... .Difficult travel can be expected to continue across the Front Range and I-25 Corridor and northeast plains tonight. A significant late season winter storm centered over southwest Kansas will gradually weaken overnight with diminishing snowfall by early Monday morning across the plains. The heaviest snow along the I-25 corridor will end around midnight, while heavier snow across Washington and Northern Lincoln counties will continue through much of tonight. COZ038>041-043-150600- /O.CON.KBOU.BZ.W.0005.000000T0000Z-210315T0600Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 1024 PM MDT Sun Mar 14 2021 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... * WHAT...Additional snow accumulations of 1 to 4 inches, with storm totals of 14 to 24 inches, heaviest Boulder to Fort Collins corridor. Winds gusting as high as 35 mph. * WHERE...Fort Collins, Boulder and the western suburbs of Denver, Denver, Castle Rock, and Greeley. * WHEN...Until Midnight MDT tonight. * IMPACTS...Plan on slippery road conditions. Areas of blowing snow could significantly reduce visibility. PRECAUTIONARY/PREPAREDNESS ACTIONS... Travel should be restricted to emergencies only. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ033>036-151200- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 1024 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow diminishing overnight. Additional snowfall of 1 to 4 inches, heaviest across southern Front Range foothills. * WHERE...Rocky Mountain National Park and the Medicine Bow Range, The Mountains of Summit County, the Mosquito Range, and the Indian Peaks, The Northern Front Range Foothills, and The Southern Front Range Foothills. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ042-044-045-151200- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 1024 PM MDT Sun Mar 14 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times tonight, gradually diminishing towards dawn. Heaviest amounts over southern Morgan and eastern portions of Adams and Arapahoe counties. Winds could gust as high as 35 mph with areas of blowing and drifting snow. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ030-032-037-150700- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 1024 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow. Additional snowfall up to 2 inches. Winds gusting as high as 35 mph. * WHERE...North Park, Grand and Summit Counties Below 9000 Feet, and South Park. * WHEN...Until 1 AM MDT Monday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ031-150700- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ West Jackson and West Grand Counties Above 9000 Feet- Including the cities of Mt Zirkel 1024 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 AM MDT MONDAY... * WHAT...Snow and blowing snow. Additional snowfall of 1 to 3 inches. * WHERE...Rabbit Ears Pass. * WHEN...Until 1 AM MDT Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ COZ046-048-049-151200- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 1024 PM MDT Sun Mar 14 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT MONDAY... * WHAT...Snow, heavy at times tonight. Additional snowfall of 3 to 6 inches, with locally higher amounts up to 9 inches over southern Washington county. Winds gusting as high as 35 mph with blowing snow. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT Monday. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Entrekin
264 WWUS45 KBOU 150606 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 1206 AM MDT Mon Mar 15 2021 ...STORM CONTINUES ACROSS EASTERN PLAINS OF COLORADO TONIGHT... COZ033>036-150715- /O.CAN.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet-South and Southeast Grand/West Central and Southwest Boulder/Gilpin/Clear Creek/Summit/North and West Park Counties Above 9000 Feet-Larimer and Boulder Counties Between 6000 and 9000 Feet-Jefferson and West Douglas Counties Above 6000 Feet/Gilpin/Clear Creek/Northeast Park Counties Below 9000 Feet- Including the cities of Winter Park, Westcreek, Rocky Mountain National Park, Central City, Red Feather Lakes, Breckenridge, Bailey, Williams Fork Mountains, Evergreen, Georgetown, Glendevey, Indian Peaks, Nederland, Eisenhower Tunnel, East Slopes Southern Gore Range, Mount Evans, Cameron Pass, East Slopes Mosquito Range, Berthoud Pass, Kenosha Mountains, Estes Park, Willow Creek Pass, Laramie and Medicine Bow Mountains, Idaho Springs, and Rabbit Ears Range 1206 AM MDT Mon Mar 15 2021 ...WINTER STORM WARNING IS CANCELLED... The threat has ended. $$ COZ038>041-043-150715- /O.EXP.KBOU.BZ.W.0005.000000T0000Z-210315T0600Z/ Larimer County Below 6000 Feet/Northwest Weld County-Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County-North Douglas County Below 6000 Feet/Denver/West Adams and Arapahoe Counties/East Broomfield County-Elbert/Central and East Douglas Counties Above 6000 Feet-Central and South Weld County- Including the cities of Elbert, Roggen, Arvada, Larkspur, Boulder, City of Denver, Aurora, Littleton, Brighton, Highlands Ranch, Fort Lupton, Loveland, Kiowa, Eaton, Longmont, Fondis, Denver International Airport, Golden, Parker, Castle Rock, Lakewood, Fort Collins, Greeley, Nunn, and Hereford 1206 AM MDT Mon Mar 15 2021 ...BLIZZARD WARNING HAS EXPIRED... $$ COZ030>032-037-150715- /O.CAN.KBOU.WW.Y.0019.000000T0000Z-210315T0700Z/ Jackson County Below 9000 Feet-West Jackson and West Grand Counties Above 9000 Feet-Grand and Summit Counties Below 9000 Feet-Central and Southeast Park County- Including the cities of Rand, Granby, North Park, Hartsel, Hot Sulphur Springs, Dillon, Kremmling, Fraser, Mt Zirkel, Fairplay, Grand Lake, Walden, Gould, Lake George, Spicer, and South Park 1206 AM MDT Mon Mar 15 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... The threat has ended. $$ COZ042-044-045-151200- /O.CON.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 1206 AM MDT Mon Mar 15 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * WHAT...Snow, heavy at times tonight, gradually diminishing towards dawn. Heaviest amounts over southern Morgan and eastern portions of Adams and Arapahoe counties. Winds could gust as high as 35 mph with areas of blowing and drifting snow. * WHERE...Briggsdale, Fort Morgan, and Byers. * WHEN...Until 6 AM MDT early this morning. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip. org && $$ COZ046-048-049-151200- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Logan County-Washington County- Including the cities of Sterling, Cope, Peetz, Hugo, Matheson, Otis, Crook, Limon, Agate, Merino, Last Chance, and Akron 1206 AM MDT Mon Mar 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * WHAT...Snow, heavy at times tonight. Additional snowfall of 2 to 4 inches, with locally higher amounts up to 8 inches over southern Washington county. Winds gusting as high as 35 mph with blowing snow with near blizzard conditons expected. * WHERE...Limon, Sterling, and Akron. * WHEN...Until 6 AM MDT early this morning. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Entrekin
870 WWUS45 KBOU 151004 WSWBOU URGENT - WINTER WEATHER MESSAGE National Weather Service Denver CO 404 AM MDT Mon Mar 15 2021 COZ042-044-045-151115- /O.CAN.KBOU.WS.W.0004.000000T0000Z-210315T1200Z/ Northeast Weld County-Morgan County-Central and East Adams and Arapahoe Counties- Including the cities of Wiggins, Fort Morgan, Pawnee Buttes, Stoneham, Bennett, Byers, Grover, Brush, Deer Trail, Briggsdale, Leader, Raymer, and Goodrich 404 AM MDT Mon Mar 15 2021 ...WINTER STORM WARNING IS CANCELLED... The snow has ended and conditions are improving. $$ COZ048-151115- /O.CAN.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ Logan County- Including the cities of Sterling, Crook, Merino, and Peetz 404 AM MDT Mon Mar 15 2021 ...WINTER WEATHER ADVISORY IS CANCELLED... The snow has ended and conditions are improving. $$ COZ046-049-151200- /O.CON.KBOU.WW.Y.0019.000000T0000Z-210315T1200Z/ North and Northeast Elbert County Below 6000 Feet/North Lincoln County-Washington County- Including the cities of Cope, Hugo, Matheson, Otis, Akron, Limon, Agate, and Last Chance 404 AM MDT Mon Mar 15 2021 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT EARLY THIS MORNING... * WHAT...Snow. Additional snowfall of around an inch. Winds gusting as high as 35 mph with blowing snow. * WHERE...Limon, and Akron. * WHEN...Until 6 AM MDT early this morning. * IMPACTS...Plan on slippery road conditions. PRECAUTIONARY/PREPAREDNESS ACTIONS... Slow down and use caution while traveling. The latest road conditions for Colorado can be obtained by calling 5 1 1 or by going to www.cotrip.org && $$ For more information from the National Weather Service, visit https://weather.gov/bou Danielson
Nearby
Winter Storm Warnings in Colorado, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive.