Alert archive / Colorado / Winter Storm Warnings in 2015
Winter Storm Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Feb 3, 2015, 6:11 PM MST for 9 counties in Colorado. It took effect at Feb 3, 2015, 10:00 PM MST. It was in force for 23 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
- Feb 3, 2015, 6:11 PM MST (01:11 UTC)
- In effect from
- Feb 3, 2015, 10:00 PM MST
- Expired
- Feb 4, 2015, 9:00 PM MST
- In force
- 23 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 01:16 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Feb 4, 6:00 AM MST | SNOW 0.5 | 3 Sse Silver Plume, CO | |
| Feb 4, 7:00 AM MST | SNOW 0.7 | Wheat Ridge, CO | |
| Feb 4, 7:00 AM MST | SNOW 2 | 1 E Dillon, CO | |
| Feb 4, 7:00 AM MST | SNOW 2.7 | Estes Park, CO | |
| Feb 4, 7:00 AM MST | SNOW 3.7 | 3 S Boulder, CO | |
| Feb 4, 7:20 AM MST | SNOW 2.6 | 7 Ene Virginia Dale, CO | |
| Feb 4, 7:25 AM MST | SNOW 3.5 | 4 Ene Nederland, CO | |
| Feb 4, 7:27 AM MST | SNOW 1.2 | 2 N Longmont, CO | |
| Feb 4, 7:30 AM MST | SNOW 2 | 4 E Pinecliffe, CO | GROSS RESERVOIR |
| Feb 4, 7:41 AM MST | SNOW 2.1 | 2 Sw Boulder, CO | DAVID SKAGGS RESEARCH CENTER NOAA |
| Feb 4, 8:00 AM MST | SNOW 1 | 7 W Arvada, CO | RALSTON RESERVOIR |
| Feb 4, 8:00 AM MST | SNOW 1 | 7 Wnw Loveland, CO | |
| Feb 4, 8:00 AM MST | SNOW 1 | Georgetown, CO | |
| Feb 4, 8:00 AM MST | SNOW 2 | Williams Fork Reservoir, CO | |
| Feb 4, 8:00 AM MST | SNOW 2.3 | 1 Se Breckenridge, CO | |
| Feb 4, 8:08 AM MST | HEAVY SNOW 7.5 | 2 E Allenspark, CO | |
| Feb 4, 8:36 AM MST | SNOW 2.9 | Fort Collins, CO | |
| Feb 4, 9:00 AM MST | SNOW 2.6 | Walden, CO | |
| Feb 4, 9:09 AM MST | SNOW 2.7 | 2 N Longmont, CO | |
| Feb 4, 9:10 AM MST | SNOW 0.5 | Superior, CO | |
| Feb 4, 9:18 AM MST | SNOW 1.4 | Loveland, CO | |
| Feb 4, 9:42 AM MST | HEAVY SNOW 6.8 | Pinecliffe, CO | |
| Feb 4, 10:08 AM MST | SNOW 3.6 | 2 Sw Boulder, CO | DAVID SKAGGS RESEARCH CENTER NOAA |
| Feb 4, 10:40 AM MST | SNOW 4.2 | Sw Fort Collins, CO | |
| Feb 4, 10:47 AM MST | HEAVY SNOW 10.5 | 2 E Allenspark, CO | |
| Feb 4, 10:57 AM MST | SNOW 1.2 | 1 Nw Climax, CO | FREMONT PASS SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 1.2 | 7 E Blue River, CO | MICHIGAN CREEK SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 1.2 | 7 Nw Red Feather Lakes, CO | BLACK MOUNTAIN SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 1.3 | 10 Nne Silverthorne, CO | MIDDLE FORK CAMP SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 1.3 | 9 Se Weston Pass, CO | ROUGH AND TUMBLE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 2.5 | 1 Nnw Berthoud Pass, CO | BERTHOUD SUMMIT SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 2.5 | 1 Wnw Loveland Pass, CO | LOVELAND BASIN SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 2.5 | 6 Nw Silverthorne, CO | SUMMIT RANCH SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 3.7 | 1 W Copper Mountain, CO | COPPER MOUNTAIN SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 3.7 | 3 Wnw Alma, CO | BUCKSKIN JOE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 3.7 | 5 Wsw Guanella Pass, CO | JACKWHACKER GULCH SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 3.7 | 5 Wsw Winter Park, CO | FOOL CREEK SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 3.8 | 5 Ssw Blue River, CO | HOOSIER PASS SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 1 Sse Loveland Pass, CO | GRIZZLY PEAK SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 3 S Brainard Lake, CO | UNIVERSITY CAMP SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 3 Sw Meeker Park, CO | COPELAND LAKE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 3 Sw Ward, CO | NIWOT SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 5 Ssw Glendevey, CO | RAWAH SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 5 Wsw Grand Lake, CO | STILLWATER CREEK SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 8 Nw Glendevey, CO | ROACH SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | SNOW 5 | 8 Sse Rand, CO | WILLOW CREEK PASS SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 6.2 | 1 Sw Eldora, CO | LAKE ELDORA SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 6.2 | 3 Wnw Pingree Park, CO | HOURGLASS LAKE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 6.2 | 6 W Arapahoe Peak, CO | HIGH LONESOME SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 7.5 | 6 E Cameron Pass, CO | LONG DRAW RESERVOIR SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 7.5 | 8 Sse Cameron Pass, CO | PHANTOM VALLEY SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 7.5 | 9 Se Cameron Pass, CO | WILLOW PARK SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 8.7 | 11 S Rabbit Ears Pass, CO | BUFFALO PARK SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 8.7 | 4 S Longs Peak, CO | WILD BASIN SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 8.7 | 9 E Glendevey, CO | DEADMAN HILL SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 8.7 | 9 Sse Gould, CO | NEVER SUMMER SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 10 | 4 Nnw Longs Peak, CO | BEAR LAKE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 11.3 | 9 Sse Spicer, CO | ARAPAHO RIDGE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 12.5 | 1 Nne Rabbit Ears Pass, CO | COLUMBINE SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
| Feb 4, 10:57 AM MST | HEAVY SNOW 12.5 | 1 Nnw Cameron Pass, CO | JOE WRIGHT SNOTEL SNOWFALL BETWEEN 11 AM 02/03/2015 AND 9 AM 02/04/2015 ESTIMATED USING A 12.5 TO 1 SNOW-TO-LIQUID RATIO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 1.2 hours before the alert went out and 213 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
- 3114 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 85 m²/s²
- 0-3 km storm-relative helicity
- 226 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
878 WWUS45 KBOU 040111 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 611 PM MST TUE FEB 3 2015 ...SNOW DELAYED UNTIL LATER THIS EVENING FOR THE NORTH CENTRAL MOUNTAINS... . A STORM SYSTEM WILL MOVE INTO THE NORTHERN MOUNTAINS LATER THIS EVENING WITH SNOW DEVELOPING AND GUSTY WINDS OVERNIGHT THROUGH WEDNESDAY. SNOW WILL BE HEAVY AT TIMES OVERNIGHT...ESPECIALLY IN THE MOUNTAINS NORTH OF BERTHOUD PASS. COZ031-033-034-041145- /O.CAN.KBOU.WS.W.0001.000000T0000Z-150205T0100Z/ /O.NEW.KBOU.WS.W.0002.150204T0500Z-150205T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 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- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 611 PM MST TUE FEB 3 2015 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 6 PM MST WEDNESDAY. * TIMING...SNOW WILL INCREASE LATER THIS EVENING AND WILL BECOME HEAVY AT TIMES LATE TONIGHT THROUGH WEDNESDAY. * SNOW ACCUMULATIONS...8 TO 14 INCHES WITH UP TO 20 INCHES NEAR THE WYOMING BORDER. * WIND/VISIBILITY...WEST 20 TO 35 MPH WITH GUSTS TO 45 MPH. VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT TIMES OVER THE HIGHER PASSES. * IMPACTS...MOUNTAIN ROADS AND PASSES WILL BECOME SNOWPACKED AND ICY. STRONG GUSTY WINDS OVER EXPOSED RIDGES AND ABOVE TIMBERLINE WILL MAKE TRAVEL VERY DIFFICULT OVER THE HIGHER PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ALTERING YOUR TRAVEL PLANS TO AVOID THE WORST CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ030-032-041145- /O.CAN.KBOU.WW.Y.0008.000000T0000Z-150204T1900Z/ /O.NEW.KBOU.WW.Y.0009.150204T0500Z-150204T1900Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 611 PM MST TUE FEB 3 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO NOON MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO NOON MST WEDNESDAY. * TIMING...SNOW WILL DEVELOP TOWARDS MIDNIGHT AND CONTINUE THROUGH WEDNESDAY MORNING BEFORE DECREASING IN THE AFTERNOON. * SNOW ACCUMULATIONS...4 TO 9 INCHES. * WIND/VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. AREAS OF BLOWING SNOW WILL REDUCE VISIBILITIES TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. GUSTY WINDS WILL MAKE TRAVEL DIFFICULT AT TIMES IN OPEN AREAS...WHERE VISIBILITIES WILL DROP DOWN TO ONE HALF MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
5 follow-up statements
622 WWUS45 KBOU 040437 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 937 PM MST TUE FEB 3 2015 ...SNOW EXPECTED TO INCREASE AFTER MIDNIGHT OVER THE NORTH CENTRAL MOUNTAINS... . A STORM SYSTEM WILL MOVE INTO THE NORTHERN MOUNTAINS TOWARDS MIDNIGHT WITH SNOW INCREASING DURING THE NIGHT ALONG WITH STRONG AND GUSTY WINDS. SNOW WILL BE HEAVY AT TIMES OVERNIGHT...ESPECIALLY IN THE MOUNTAINS NORTH OF BERTHOUD PASS. COZ031-033-034-041245- /O.CON.KBOU.WS.W.0002.150204T0500Z-150205T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 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- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 937 PM MST TUE FEB 3 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST WEDNESDAY... * TIMING...SNOW WILL DEVELOP TOWARDS MIDNIGHT AND BECOME HEAVY AT TIMES LATER TONIGHT THROUGH WEDNESDAY MORNING. SNOW WILL DECREASE IN INTENSITY DURING THE AFTERNOON. * SNOW ACCUMULATIONS...7 TO 14 INCHES WITH UP TO 18 INCHES NEAR THE WYOMING BORDER. * WIND/VISIBILITY...WEST 20 TO 35 MPH WITH GUSTS TO 45 MPH. VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT TIMES OVER THE HIGHER PASSES. * IMPACTS...MOUNTAIN ROADS AND PASSES WILL BECOME SNOWPACKED AND ICY. STRONG GUSTY WINDS OVER EXPOSED RIDGES AND ABOVE TIMBERLINE WILL MAKE TRAVEL VERY DIFFICULT OVER THE HIGHER PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ALTERING YOUR TRAVEL PLANS TO AVOID THE WORST CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ030-032-041245- /O.CON.KBOU.WW.Y.0009.150204T0500Z-150204T1900Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 937 PM MST TUE FEB 3 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST WEDNESDAY... * TIMING...SNOW WILL DEVELOP TOWARDS MIDNIGHT AND CONTINUE THROUGH WEDNESDAY MORNING BEFORE DECREASING IN THE AFTERNOON. * SNOW ACCUMULATIONS...4 TO 9 INCHES. * WIND/VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. AREAS OF BLOWING SNOW WILL REDUCE VISIBILITIES TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. GUSTY WINDS WILL MAKE TRAVEL DIFFICULT AT TIMES IN OPEN AREAS...WHERE VISIBILITIES WILL DROP DOWN TO ONE HALF MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
092 WWUS45 KBOU 041228 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 528 AM MST WED FEB 4 2015 ...SNOW EXPECTED TO CONTINUE OVER THE NORTH CENTRAL MOUNTAINS TODAY... . A MOIST STORM SYSTEM MOVING OVER WYOMING AND NORTHERN COLORADO TODAY WILL CONTINUE PRODUCING SNOW OVER THE NORTHERN MOUNTAINS THROUGH THIS AFTERNOON. ALONG WITH THE SNOW...STRONG AND GUSTY WINDS OVER PASSES...RIDGES AND EXPOSED LOCATIONS WILL PRODUCE AREAS OF BLOWING SNOW. THE STORM IS EXPECTED TO BEGIN WINDING DOWN LATE THIS AFTERNOON AND EVENING. COZ031-033-034-042030- /O.CON.KBOU.WS.W.0002.000000T0000Z-150205T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 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- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 528 AM MST WED FEB 4 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * TIMING...SNOW WILL CONTINUE THROUGH TODAY...BECOMING HEAVY AT TIMES OVER THE RABBIT EARS RANGE AND ROCKY MOUNTAIN NATIONAL PARK. SNOW WILL DECREASE IN INTENSITY THIS AFTERNOON. * SNOW ACCUMULATIONS...7 TO 14 INCHES WITH UP TO 18 INCHES NEAR THE WYOMING BORDER. * WIND/VISIBILITY...WEST 20 TO 35 MPH WITH GUSTS TO 45 MPH. VISIBILITIES WILL BE REDUCED TO ONE QUARTER MILE OR LESS AT TIMES OVER THE HIGHER PASSES. * IMPACTS...MOUNTAIN ROADS AND PASSES WILL BECOME SNOWPACKED AND ICY. STRONG GUSTY WINDS OVER EXPOSED RIDGES AND ABOVE TIMBERLINE WILL MAKE TRAVEL VERY DIFFICULT OVER THE HIGHER PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. CONSIDER ALTERING YOUR TRAVEL PLANS TO AVOID THE WORST CONDITIONS. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ030-032-041900- /O.CON.KBOU.WW.Y.0009.000000T0000Z-150204T1900Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 528 AM MST WED FEB 4 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON MST TODAY... * TIMING...SNOW WILL CONTINUE THIS MORNING AND BEGIN DECREASING DURING THE AFTERNOON. * SNOW ACCUMULATIONS...4 TO 8 INCHES. * WIND/VISIBILITY...WEST 15 TO 25 MPH WITH GUSTS TO 35 MPH. AREAS OF BLOWING SNOW WILL REDUCE VISIBILITIES TO ONE HALF MILE OR LESS AT TIMES. * IMPACTS...ROADS WILL BECOME SNOWPACKED AND ICY. GUSTY WINDS WILL MAKE TRAVEL DIFFICULT AT TIMES IN OPEN AREAS...WHERE VISIBILITIES COULD DROP DOWN TO ONE HALF MILE OR LESS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
249 WWUS45 KBOU 041858 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1158 AM MST WED FEB 4 2015 ...SNOW TURNING TO SHOWERS AND DECREASING THIS AFTERNOON... .A MOIST STORM SYSTEM WILL MOVE EAST OF COLORADO BY THIS EVENING. THE SNOW WILL TURN TO DECREASING SHOWERS IN THE INTERSTATE 70 CORRIDOR IN THE EARLY AFTERNOON...WITH THE STEADY SNOW LASTING LONGER IN AREAS NEAR THE WYOMING BORDER. ADDITIONAL ACCUMULATIONS WILL BE 1 TO 3 INCHES. THE WINDS HAVE ALSO DIMINISHED...SO NO ADDITIONAL BLOWING SNOW IS EXPECTED. COZ030-032-042000- /O.EXP.KBOU.WW.Y.0009.000000T0000Z-150204T1900Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1158 AM MST WED FEB 4 2015 ...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON MST TODAY... OCCASIONAL SNOW SHOWERS ARE EXPECTED THIS AFTERNOON BUT ADDITIONAL ACCUMULATIONS WILL BE LESS THAN 2 INCHES. ROAD CONDITIONS SHOULD IMPROVE. $$ COZ031-033-034-050100- /O.CON.KBOU.WS.W.0002.000000T0000Z-150205T0100Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1158 AM MST WED FEB 4 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 PM MST THIS EVENING... * TIMING...SNOW WILL DECREASE IN INTENSITY THIS AFTERNOON. * SNOW ACCUMULATIONS...ADDITIONAL 1 TO 3 INCHES THIS AFTERNOON. STORM TOTALS WILL BE 4 TO 10 INCHES SOUTH OF BERTHOUD PASS...AND 8 TO 24 INCHES IN AREAS FURTHER NORTH. * WIND/VISIBILITY...WEST WINDS AT 10 TO 20 MPH WITH GUSTS TO 30 MPH OVER THE HIGHER MOUNTAINS. * IMPACTS...ROADS WILL BE SNOWPACKED AND ICY WITH SOME IMPROVEMENT EXPECTED THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. DRIVERS SHOULD PLAN ON A SLOW DRIVE AND BE PREPARED FOR DELAYS. CARRY WARM CLOTHES AND EXTRA FOOD AND WATER. CHECK THE LATEST ROAD CONDITIONS BEFORE YOU DEPART. && $$ GIMMESTAD
496 WWUS45 KBOU 050102 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 602 PM MST WED FEB 4 2015 ...WINTER STORM WARNING EXTENDED THROUGH 9 PM THIS EVENING FOR THE NORTH CENTRAL MOUNTAINS... .MODERATE TO HEAVY SNOW ALONG WITH GUSTY WINDS CONTINUE IN THE HIGHER MOUNTAINS EARLY THIS EVENING. SNOWFALL RATES UP TO ONE INCH PER HOUR WILL CONTINUE THIS EVENING MAKING TRAVEL HAZARDOUS OVER THE PASSES. THE SNOWFALL WILL DECREASE LATER THIS EVENING. COZ031-033-034-050400- /O.EXT.KBOU.WS.W.0002.000000T0000Z-150205T0400Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 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- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 602 PM MST WED FEB 4 2015 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 9 PM MST THIS EVENING... * TIMING...SNOW WILL CONTINUE THIS EVENING...HEAVY AT TIMES OVER THE HIGH MOUNTAIN PASSES. THE SNOW WILL DECREASE IN INTENSITY LATER THIS EVENING. SNOW INTENSITY WILL BE MUCH LIGHTER OVER THE MOUNTAIN VALLEYS. * SNOW ACCUMULATIONS...ADDITIONAL 2 TO 4 INCHES THIS EVENING. * WIND/VISIBILITY...WEST WINDS AT 20 TO 30 MPH WITH GUSTS TO 45 MPH OVER THE HIGHER MOUNTAINS WILL CREATE BLOWING SNOW AND REDUCED VISIBILITIES. * IMPACTS...ROADS WILL BE SNOWPACKED AND ICY WITH SOME IMPROVEMENT EXPECTED BY LATER TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. DRIVERS SHOULD PLAN ON A SLOW DRIVE AND BE PREPARED FOR DELAYS. CARRY WARM CLOTHES AND EXTRA FOOD AND WATER. CHECK THE LATEST ROAD CONDITIONS BEFORE YOU DEPART. && $$
352 WWUS45 KBOU 050358 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 858 PM MST WED FEB 4 2015 COZ031-033-034-050500- /O.EXP.KBOU.WS.W.0002.000000T0000Z-150205T0400Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 858 PM MST WED FEB 4 2015 ...WINTER STORM WARNING WILL EXPIRE AT 9 PM MST THIS EVENING... OCCASIONAL LIGHT SNOW WILL CONTINUE TO DIMINISH OVER THE NORTH CENTRAL MOUNTAINS THROUGH THE NIGHT. ANY ADDITIONAL ACCUMULATION WILL BE AN INCH OR LESS. GUSTY WINDS TO 50 MPH WILL CONTINUE THROUGH THE NIGHT WITH SOME BLOWING SNOW AND POOR VISIBILITIES. $$
What forecasters said that day
The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Denver/Boulder, CO wrote its last area forecast discussion before this winter storm warning went out at Feb 3, 3:48 PM MST, 2 hours 23 minutes earlier.
Area forecast discussion, Feb 3, 3:48 PM MST, 2 hours 23 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 348 PM MST TUE FEB 3 2015 .SHORT TERM...(THIS EVENING THROUGH WEDNESDAY) ISSUED AT 347 PM MST TUE FEB 3 2015 NOT MUCH CHANGE TO THE FORECAST AT THIS TIME...MAINLY TRYING TO FOCUS ON DETAILS A BIT MORE. IN THE BIG PICTURE A LARGE RIDGE IS MOVING ONTO THE WEST COAST WHILE A WEAKER SHORTWAVE DROPS DOWN THE EAST SIDE OF THE RIDGE INTO THE NORTHERN PLAINS BY WEDNESDAY MORNING. THIS WILL SAG THE BAROCLINIC ZONE WITH MOISTURE AND SHOWERS SOUTH INTO COLORADO LATER TONIGHT...THEN THE RIDGE PUSHING EAST WILL BRING WARM ADVECTION AND PUSH THE AREA OF MOISTURE BACK TOWARD THE EAST BY AFTERNOON. AT FIRST GLANCE THIS SYSTEM DOES NOT HAVE A LOT TO WORK WITH DYNAMICALLY...BUT THERE IS BOTH A STRONG LOW LEVEL TEMPERATURE GRADIENT AND LOTS OF MOISTURE ON THE WARM SIDE OF THE JET. OUR FORECAST IS CLOSE TO A BLEND OF THE MODELS...CHIEF DIFFERENCE IS HOW FAR SOUTH THE BAROCLINIC ZONE PUSHES SOUTHWARD WEDNESDAY MORNING. 12Z GFS AND SOME MESOSCALE MODELS BRING IT A BIT FURTHER SOUTHWARD WHICH WOULD BRING A PERIOD OF HEAVY SNOW TO THE INTERSTATE 70 CORRIDOR AND POSSIBLY THE DENVER AREA AROUND THE MORNING RUSH HOUR. OTHER MODELS HOLD IT FURTHER NORTH WHICH WOULD RESULT IN MUCH LESS SNOW IN THESE AREAS. GIVEN THE CURRENT POSITION OF THE REATURES AND THE EASTWARD PUSH OF THE LARGE SCALE RIDGE...WE CONTINUE TO FAVOR THE MORE NORTHERLY SOLUTION BUT DO EXPECT SOME ENHANCEMENT OF THE SNOW FROM ABOUT DENVER NORTHWARD DUE TO THE LOW LEVEL UPSLOPE PROVIDING GOOD CONVERGENCE FOR A FEW HOURS WHILE OTHER FACTORS ARE ALSO PRESENT. MAIN CONCERN IS THAT WHILE THERE SHOULD NOT BE HEAVY SNOWFALL ON THE PLAINS...WHAT DOES FALL COULD COME QUICK AND BE TIMED TO COINCIDE WITH RUSH HOUR. BUT MORE LIKELY IT WILL ONLY BE LIGHT TO MODERATE SNOW AND BE SLIGHTLY LATER. IN THE SHORTER TERM SHALLOW CONVECTION HAS DEVELOPED OVER WESTERN COLORADO BUT ONLY A FEW WEAK RADAR ECHOES SO FAR. JET RELATED PRECIP DEVELOPING WELL NORTH IN WYOMING AND NOT SLIDING SOUTH VERY QUICKLY. CONTINUED THE TREND OF SLOWING THE ARRIVAL OF THE SERIOUS MOUNTAIN SNOW...IT MAY NOT REALLY GET GOING UNTIL THE MIDDLE OF THE NIGHT. SHOWERS SHOULD BE WINDING DOWN IN THE AFTERNOON WITH THE WARMING/DRYING ALOFT BUT THERE WOULD STILL LIKELY BE SOME OROGRAPHIC SHOWERS IN THE MOUNTAINS AND POSSIBLY SOME LINGERING UPSLOPE SNOW ALONG THE FOOTHILLS. I DID RAISE TEMPERATURES IN AND NEAR THE MOUNTAINS IN THE AFTERNOON WHERE THERE WILL BE SOME WARMING CREEPING IN AND THERE COULD EVEN BE SOME SUN. .LONG TERM...(WEDNESDAY NIGHT THROUGH TUESDAY) ISSUED AT 347 PM MST TUE FEB 3 2015 EXPECT LIGHT SNOW TO LINGER INTO WEDNESDAY NIGHT...MAINLY OVER THE MOUNTAINS AND BEFORE MIDNIGHT. ANY ADDITIONAL ACCUMULATION WEDNESDAY NIGHT IN THE MOUNTAINS WILL BE LIGHT...A COUPLE OF INCHES OR LESS. AN UPPER LEVEL RIDGE OVER THE GREAT BASIN WEDNESDAY NIGHT WILL SHIFT EASTWARD THURSDAY. THIS WILL USHER IN WARMER AND DRIER AIR. EXPECT MOST LOCATIONS TO BE IN THE 50S ACROSS NORTHEAST COLORADO WITH A FEW LOWER 60S POSSIBLE IN THE DENVER AREA. AIRMASS WILL WARM EVEN MORE ON FRIDAY AS THE RIDGE INTENSIFIES. MOST SPOTS OVER NORTHEAST COLORADO WILL BE IN THE 60S. ON SATURDAY...THE RIDGE FLATTENS AS A WEAK WAVE PASSES NORTH OF COLORADO. THIS WILL BRING SLIGHTLY COOLER TEMPERATURES BUT STILL WELL ABOVE NORMAL FOR THIS TIME OF YEAR. THIS SYSTEM COULD BRING LIGHT SNOW TO THE MOUNTAINS SATURDAY. A SECOND SHORT WAVE TROUGH IS EXPECTED TO PUSH THROUGH WYOMING ON SUNDAY. THIS WILL HELP TEMPERATURES FALL A FEW MORE DEGREES. ALSO...THIS WILL BRING A LITTLE BETTER CHANCE FOR SNOW IN THE MOUNTAINS SUNDAY AND SUNDAY NIGHT WITH THIS SYSTEM. ANY SNOWFALL SHOULD BE LIGHT. FOR EARLY NEXT WEEK...MODELS GENERALLY SHOWING A RIDGE OVER THE AREA ON MONDAY. ON TUESDAY...A TROUGH WILL BE SOMEWHERE IN THE REGION...BE IT OVER THE GREAT BASIN OR CENTRAL ROCKIES. WILL HAVE COOLER TEMPERATURES FOR THIS ON TUESDAY AND A MENTION OF RAIN AND SNOW. && .AVIATION...(FOR THE TAFS THROUGH 00Z WEDNESDAY LATE AFTERNOON) ISSUED AT 347 PM MST TUE FEB 3 2015 A COLD FRONT WILL MOVE THROUGH THE DENVER AREA AROUND 12Z. IFR CEILINGS AND VISIBILITIES IN SNOW WILL DEVELOP BY 14Z WITH LOCALIZED LIFR. WINDS WILL BE NORTH WITH GUSTS IN THE 20 TO 30 KNOT RANGE FOR AN HOUR OR TWO BEHIND THE FRONT...THEN BECOME NORTHEAST AT 15 TO 20 KNOTS. CONDITIONS SHOULD IMPROVE BY 18Z BUT WILL STILL BE MVFR WITH LOCALIZED IFR IN THE EARLY AFTERNOON...THEN VFR BY EVENING. BEST ESTIMATE OF SNOWFALL IS 1-2 INCHES AT KDEN/KAPA WITH 2-3 INCHES AT KBJC...MAINLY BETWEEN 14Z AND 18Z. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER STORM WARNING FROM 6 PM THIS EVENING TO 6 PM MST WEDNESDAY FOR COZ031-033-034. WINTER WEATHER ADVISORY FROM 6 PM THIS EVENING TO NOON MST WEDNESDAY FOR COZ030-032. && SHORT TERM...GIMMESTAD LONG TERM...MEIER AVIATION...GIMMESTAD
Hazardous weather outlook, Feb 3, 11:06 AM MST, 7 hours 5 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1106 AM MST TUE FEB 3 2015 COZ030>051-041815- JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 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- CENTRAL AND SOUTHEAST PARK COUNTY- 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- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 1106 AM MST TUE FEB 3 2015 ...SNOW IN THE MOUNTAINS TONIGHT WITH A QUICK SHOT OF SNOW FOR THE PLAINS WEDNESDAY MORNING... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT THERE WILL BE A BREAK IN THE SNOW OVER THE MOUNTAINS THIS AFTERNOON...THOUGH THERE WILL STILL BE SOME SCATTERED LIGHT SHOWERS. WIND GUSTS WILL BE IN THE 30 TO 50 MPH RANGE OVER THE HIGHER MOUNTAINS AND NORTHERN FOOTHILLS. SNOW WILL INCREASE OVER THE MOUNTAINS THIS EVENING AND COULD BECOME HEAVY AT TIMES OVERNIGHT. ACCUMULATIONS DURING THE OVERNIGHT HOURS COULD RANGE FROM 4 TO 10 INCHES. GUSTY WINDS WILL ALSO CONTINUE...CAUSING AREAS OF BLOWING AND DRIFTING SNOW WITH VISIBILITIES LESS THAN A HALF MILE AT TIMES. OVER THE FRONT RANGE AND IN THE WESTERN VALLEYS TRAVEL WILL BECOME DIFFICULT. SNOW WILL DEVELOP IN NORTHEASTERN COLORADO NEAR THE WYOMING BORDER LATE TONIGHT. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SNOW AND BLOWING SNOW WILL CONTINUE IN THE MOUNTAINS AND HIGHER VALLEYS ON WEDNESDAY. ADDITIONAL ACCUMULATIONS UP TO 6 INCHES WILL BE POSSIBLE IN THE MOUNTAINS WITH 2 TO 4 INCHES IN THE HIGHER VALLEYS. OVER NORTHEAST COLORADO SNOW WILL CONTINUE NEAR THE WYOMING BORDER AND SPREAD SOUTHWARD INTO THE DENVER AREA BY MID MORNING BEFORE ENDING BY EARLY AFTERNOON. ACCUMULATIONS WILL GENERALLY BE IN THE 1 TO 4 INCH RANGE WITH THE HIGHEST AMOUNTS NEAR THE WYOMING BORDER. IN THE FOOTHILLS AMOUNTS WILL RANGE FROM 2 TO 4 INCHES WITH UP TO 6 INCHES IN THE NORTHERN FOOTHILLS. MILD AND DRY WEATHER IS THEN EXPECTED INTO EARLY NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SNOWFALL REPORTS FROM SPOTTERS WILL BE APPRECIATED. GIMMESTAD/MEIER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 3, 6:11 PM MST | Winter Weather Advisory | BOU | Grand, Jackson, Summit | 18 hr |
Nearby
Winter Storm Warnings in Colorado, 2015Every winter storm warning in 2015
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; radar from the NEXRAD Level II archive.