Alert archive / Colorado / Winter Storm Warnings in 2013
Winter Storm Warning 7, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Apr 15, 2013, 4:51 AM MDT for 14 counties in Colorado. It took effect at Apr 15, 2013, 6:00 AM MDT. It was in force for 22 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
- Apr 15, 2013, 4:51 AM MDT (10:51 UTC)
- In effect from
- Apr 15, 2013, 6:00 AM MDT
- Expired
- Apr 16, 2013, 3:38 AM MDT
- In force
- 22 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, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 61 km from the middle of the area, began a volume at 10:49 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 |
|---|---|---|---|
| Apr 15, 6:00 AM MDT | SNOW 2.5 | 2 N Loveland, CO | |
| Apr 15, 6:02 AM MDT | SNOW 2.1 | 4 E Fort Collins, CO | |
| Apr 15, 6:30 AM MDT | SNOW 4.5 | 7 Se Drake, CO | FLATIRON RESERVOIR |
| Apr 15, 6:32 AM MDT | SNOW 1.5 | 21 N New Raymer, CO | |
| Apr 15, 6:38 AM MDT | SNOW 5.6 | Buckhorn Mountain, CO | |
| Apr 15, 6:49 AM MDT | SNOW 3 | 2 W Loveland, CO | |
| Apr 15, 7:00 AM MDT | SNOW 0.3 | Wheat Ridge, CO | |
| Apr 15, 7:00 AM MDT | HEAVY SNOW 6.8 | Estes Park, CO | |
| Apr 15, 7:06 AM MDT | SNOW 5.6 | 13 Nnw Glendevey, CO | |
| Apr 15, 7:08 AM MDT | SNOW 3.5 | Wellington, CO | |
| Apr 15, 7:15 AM MDT | SNOW 2.4 | 3 N Black Hawk, CO | |
| Apr 15, 7:15 AM MDT | SNOW 5.2 | 1 Sse Estes Park, CO | |
| Apr 15, 7:15 AM MDT | HEAVY SNOW 8.5 | 9 Wsw Rustic, CO | |
| Apr 15, 7:15 AM MDT | HEAVY SNOW 10 | 3 Wnw Pingree Park, CO | HOURGLASS LAKE |
| Apr 15, 7:23 AM MDT | SNOW 3 | 15 Se Cheyenne, CO | |
| Apr 15, 7:25 AM MDT | SNOW 2.5 | 4 Ene Nederland, CO | |
| Apr 15, 7:30 AM MDT | SNOW 1 | Antero Reservoir, CO | |
| Apr 15, 7:30 AM MDT | SNOW 1.8 | 2 Sw Boulder, CO | DAVID SKAGGS RESEARCH CENTER NOAA |
| Apr 15, 7:30 AM MDT | SNOW 3 | 3 Ene Pinecliffe, CO | GROSS RESERVOIR |
| Apr 15, 7:30 AM MDT | SNOW 3.5 | Fort Collins, CO | |
| Apr 15, 7:30 AM MDT | SNOW 4 | 7 Nne Purcell, CO | |
| Apr 15, 7:30 AM MDT | HEAVY SNOW 7.5 | 7 Ene Virginia Dale, CO | |
| Apr 15, 7:33 AM MDT | SNOW 4 | 2 Nnw Fort Collins, CO | |
| Apr 15, 7:45 AM MDT | SNOW 2.2 | Bailey, CO | |
| Apr 15, 7:45 AM MDT | SNOW 2.4 | 5 Ene Eaton, CO | |
| Apr 15, 7:54 AM MDT | SNOW 5 | 4 Ssw Loveland, CO | |
| Apr 15, 7:58 AM MDT | SNOW 2 | 3 Nne Bailey, CO | |
| Apr 15, 8:00 AM MDT | SNOW 1 | Winter Park, CO | |
| Apr 15, 8:00 AM MDT | SNOW 2.7 | Georgetown, CO | |
| Apr 15, 8:00 AM MDT | HEAVY SNOW 6 | Williams Fork Reservoir, CO | |
| Apr 15, 8:00 AM MDT | HEAVY SNOW 6.9 | Kremmling, CO | |
| Apr 15, 8:05 AM MDT | SNOW 2.6 | 2 N Longmont, CO | |
| Apr 15, 8:10 AM MDT | SNOW 2.5 | 1 Nw Fort Collins, CO | |
| Apr 15, 8:25 AM MDT | HEAVY SNOW 10 | 1 Ne Estes Park, CO | |
| Apr 15, 8:30 AM MDT | HEAVY SNOW 10.3 | 2 Sse Estes Park, CO | |
| Apr 15, 9:00 AM MDT | SNOW 3 | Walden, CO | |
| Apr 15, 9:16 AM MDT | SNOW 5.8 | 3 W Fort Collins, CO | |
| Apr 15, 9:23 AM MDT | SNOW 5 | 2 Sw Loveland, CO | |
| Apr 15, 9:34 AM MDT | HEAVY SNOW 7 | 1 Ne Fort Collins, CO | |
| Apr 15, 9:40 AM MDT | SNOW 3 | 1 E Longmont, CO | |
| Apr 15, 10:05 AM MDT | HEAVY SNOW 7 | 4 Ssw Loveland, CO | |
| Apr 15, 10:07 AM MDT | HEAVY SNOW 7 | 1 Se Berthoud, CO | |
| Apr 15, 10:07 AM MDT | HEAVY SNOW 7 | 4 N Loveland, CO | |
| Apr 15, 10:10 AM MDT | SNOW 4.5 | 2 N Longmont, CO | |
| Apr 15, 10:10 AM MDT | SNOW 6.3 | 2 N Longmont, CO | |
| Apr 15, 10:26 AM MDT | HEAVY SNOW 7 | 2 Ene Greeley, CO | |
| Apr 15, 10:28 AM MDT | HEAVY SNOW 8 | 7 Wnw Berthoud, CO | CARTER LAKE |
| Apr 15, 10:30 AM MDT | SNOW 4.5 | 4 Sw Longmont, CO | |
| Apr 15, 11:01 AM MDT | SNOW 5 | 1 E Longmont, CO | |
| Apr 15, 11:11 AM MDT | HEAVY SNOW 7 | Windsor, CO | |
| Apr 15, 11:12 AM MDT | HEAVY SNOW 6 | Eldorado Springs, CO | |
| Apr 15, 11:20 AM MDT | SNOW 2.2 | Genesee, CO | |
| Apr 15, 11:20 AM MDT | HEAVY SNOW 8 | St Marys Glacier, CO | |
| Apr 15, 11:25 AM MDT | HEAVY SNOW 7.5 | 4 Ene Nederland, CO | |
| Apr 15, 11:34 AM MDT | HEAVY SNOW 13 | 10 Se Estes Park, CO | |
| Apr 15, 11:37 AM MDT | HEAVY SNOW 7 | 1 Se Fort Collins, CO | |
| Apr 15, 12:01 PM MDT | SNOW 4.3 | Louisville, CO | |
| Apr 15, 12:01 PM MDT | HEAVY SNOW 6 | 4 S Fort Collins, CO | |
| Apr 15, 12:10 PM MDT | HEAVY SNOW 7 | 3 Ne Fort Collins, CO | |
| Apr 15, 12:22 PM MDT | HEAVY SNOW 14.2 | 2 Sse Estes Park, 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 00:00Z, 10.9 hours before the alert went out and 171 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
- 2438 m above ground
- 0-6 km bulk shear
- 93 kt
- 0-1 km storm-relative helicity
- 232 m²/s²
- 0-3 km storm-relative helicity
- 578 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
377 WWUS45 KBOU 151051 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 451 AM MDT MON APR 15 2013 ...HEAVY SNOW AGAIN TODAY AND TONIGHT IN THE NORTH CENTRAL MOUNTAINS...NORTHERN FOOTHILLS AND LOWER ELEVATIONS NEAR THE WYOMING BORDER... .ANOTHER STORM SYSTEM IS MOVING TOWARDS COLORADO TODAY AND WILL BRING MORE HEAVY SNOW TO THE MOUNTAINS TODAY AND TONIGHT. IN ADDITION...A COLD FRONT WILL MOVE INTO NORTHEAST COLORADO TONIGHT WITH UPSLOPE FLOW DEVELOPING IN THE FOOTHILLS AND ADJACENT PLAINS. THERE WILL BE AN ADDITIONAL THREAT FOR HEAVY SNOW IN THE MOUNTAINS NEAR THE WYOMING BORDER AND ACROSS THE NORTHERN FOOTHILLS...AND IN THE FORT COLLINS AND GREELEY AREAS AND EXTENDING NORTHWARD ALONG THE WYOMING BORDER. COZ048-151200- /O.CAN.KBOU.WS.A.0007.130415T1800Z-130416T1200Z/ LOGAN COUNTY- INCLUDING THE CITIES OF...CROOK...MERINO...STERLING...PEETZ 451 AM MDT MON APR 15 2013 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WATCH. $$ COZ038-042-151900- /O.UPG.KBOU.WS.A.0007.130415T1800Z-130416T1200Z/ /O.NEW.KBOU.WS.W.0007.130415T1200Z-130416T1200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 451 AM MDT MON APR 15 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BE HEAVY AT TIMES DURING THE DAY AND POSSIBLY BECOME HEAVY AT TIMES LATE MONDAY AFTERNOON THROUGH MONDAY NIGHT. * SNOW ACCUMULATIONS...6 TO 10 INCHES THROUGH MONDAY NIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-033-151900- /O.UPG.KBOU.WS.A.0007.130415T1200Z-130416T1200Z/ /O.NEW.KBOU.WS.W.0007.130415T1200Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER 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 451 AM MDT MON APR 15 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW IS EXPECTED TODAY AND TONIGHT WITH HEAVY SNOW AT TIMES. * SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS OF 10 TO 20 INCHES THROUGH TUESDAY MORNING...HEAVIEST ALONG THE HIGHER WEST FACING SLOPES. * WIND/VISIBILITY...SOUTH TO SOUTHEAST WINDS 10 TO 20 MPH. VISIBILITIES COULD BE REDUCED BELOW A HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL IN THE MOUNTAINS MAY BECOME DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035-151900- /O.UPG.KBOU.WS.A.0007.130415T1800Z-130416T1200Z/ /O.NEW.KBOU.WS.W.0007.130415T1200Z-130416T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES 451 AM MDT MON APR 15 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL INCREASE DURING THE DAY AND BECOMING HEAVY AT TIMES. * SNOW ACCUMULATIONS...7 TO 15 INCHES THROUGH TONIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...TRAVEL IN THE NORTHERN FOOTHILLS WILL BECOME DIFFICULT MONDAY AFTERNOON AND MONDAY NIGHT. ROADS WILL ALSO BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ030-032-034-151900- /O.NEW.KBOU.WW.Y.0015.130415T1200Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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 451 AM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. * TIMING...SNOW WILL INCREASE DURING THE MORNING AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...6 TO 11 INCHES BY TUESDAY MORNING. * WIND/VISIBILITY...SOUTH TO SOUTHWEST WINDS 10 TO 15 MPH. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS WITH ICY AND SNOWPACKED ROADS. 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. && $$ COZ039-043-044-151900- /O.EXT.KBOU.WS.A.0007.130415T1200Z-130416T1200Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH... FORT MORGAN...GOODRICH...WIGGINS 451 AM MDT MON APR 15 2013 ...WINTER STORM WATCH NOW IN EFFECT THROUGH LATE TONIGHT... * TIMING...OCCASIONAL SNOW DURING THE DAY AND POSSIBLY BECOME HEAVY AT TIMES TONIGHT. * SNOW ACCUMULATIONS...3 TO 10 INCHES POSSIBLE THROUGH TONIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && $$
6 follow-up statements
590 WWUS45 KBOU 151309 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 709 AM MDT MON APR 15 2013 ...HEAVY SNOW AGAIN TODAY AND TONIGHT IN THE NORTH CENTRAL MOUNTAINS...NORTHERN FOOTHILLS AND LOWER ELEVATIONS FROM FORT COLLINS NORTH TO THE WYOMING BORDER... .ANOTHER STORM SYSTEM IS MOVING TOWARDS COLORADO TODAY AND WILL BRING MORE HEAVY SNOW TO THE MOUNTAINS TODAY AND TONIGHT. IN ADDITION...A COLD FRONT WILL MOVE INTO NORTHEAST COLORADO TONIGHT WITH UPSLOPE FLOW DEVELOPING IN THE FOOTHILLS AND ADJACENT PLAINS. THERE WILL BE AN ADDITIONAL THREAT FOR HEAVY SNOW IN THE MOUNTAINS NEAR THE WYOMING BORDER AND ACROSS THE NORTHERN FOOTHILLS...AND IN THE FORT COLLINS AND GREELEY AREAS AND EXTENDING NORTHWARD ALONG THE WYOMING BORDER. COZ038-042-152115- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 709 AM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES DURING THE DAY AND POSSIBLY BECOME HEAVY AT TIMES LATE MONDAY AFTERNOON THROUGH MONDAY NIGHT. * SNOW ACCUMULATIONS...6 TO 10 INCHES THROUGH MONDAY NIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-033-152115- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 709 AM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW IS EXPECTED TODAY AND TONIGHT WITH HEAVY SNOW AT TIMES. * SNOW ACCUMULATIONS...NEW SNOW ACCUMULATIONS OF 10 TO 20 INCHES THROUGH TUESDAY MORNING...HEAVIEST ALONG THE HIGHER WEST FACING SLOPES. * WIND/VISIBILITY...SOUTH TO SOUTHEAST WINDS 10 TO 20 MPH. VISIBILITIES COULD BE REDUCED BELOW A HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL IN THE MOUNTAINS MAY BECOME DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035-152115- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES 709 AM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL INCREASE DURING THE DAY AND BECOMING HEAVY AT TIMES. * SNOW ACCUMULATIONS...7 TO 15 INCHES THROUGH TONIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...TRAVEL IN THE NORTHERN FOOTHILLS WILL BECOME DIFFICULT MONDAY AFTERNOON AND MONDAY NIGHT. ROADS WILL ALSO BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ039-043-044-152115- /O.UPG.KBOU.WS.A.0007.000000T0000Z-130416T1200Z/ /O.EXA.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH... FORT MORGAN...GOODRICH...WIGGINS 709 AM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...OCCASIONAL SNOW POSSIBLY BECOME HEAVY AT TIMES THROUGH TONIGHT. * SNOW ACCUMULATIONS...4 TO 9 INCHES POSSIBLE THROUGH TONIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030-032-034-152115- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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 709 AM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL INCREASE DURING THE MORNING AND CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...6 TO 11 INCHES BY TUESDAY MORNING. * WIND/VISIBILITY...SOUTH TO SOUTHWEST WINDS 10 TO 15 MPH. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS WITH ICY AND SNOWPACKED ROADS. 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. && $$
125 WWUS45 KBOU 151829 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1229 PM MDT MON APR 15 2013 ...HEAVY SNOW CONTINUING NORTH CENTRAL MOUNTAINS...NORTHERN FOOTHILLS AND LOWER ELEVATIONS FROM BOULDER AND GREELEY NORTH TO THE WYOMING BORDER... .ANOTHER STORM SYSTEM IS AFFECTING COLORADO TODAY...BRINGING MORE HEAVY SNOW TO THE MOUNTAINS THROUGH TONIGHT. HEAVY SNOW IS ALSO EXPECTED TO CONTINUE ACROSS THE NORTHERN FOOTHILLS AND THE ADJACENT PLAINS FROM BOULDER AND GREELEY NORTH TO THE WYOMING BORDER. COZ039-043-160230- /O.UPG.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ /O.EXA.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...EATON...FORT LUPTON...GREELEY...ROGGEN 1229 PM MDT MON APR 15 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...OCCASIONAL SNOW...HEAVY AT TIMES THROUGH TONIGHT. HEAVIEST SNOW ACROSS EASTERN BOULDER AND NORTHERN JEFFERSON COUNTIES. * ACCUMULATIONS...6 TO 12 INCHES POSSIBLE THROUGH TONIGHT...HEAVIEST AMOUNTS NORTHER JEFFERSON AND EASTERN BOULDER COUNTIES. * WIND/VISIBILITY...EAST NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ038-042-160230- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 1229 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH MONDAY NIGHT. * SNOW ACCUMULATIONS...6 TO 12 INCHES THROUGH MONDAY NIGHT. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-033-160230- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 1229 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND MAY BE HEAVY SNOW AT TIMES. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 8 TO 14 INCHES THROUGH TUESDAY MORNING...HEAVIEST ALONG THE HIGHER WEST FACING SLOPES. * WIND/VISIBILITY...SOUTH TO SOUTHEAST WINDS 10 TO 20 MPH. VISIBILITIES COULD BE REDUCED BELOW A HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL IN THE MOUNTAINS MAY BECOME DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035-160230- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES 1229 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT AND COULD BE HEAVY AT TIMES. * SNOW ACCUMULATIONS...8 TO 15 INCHES THROUGH TONIGHT. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...TRAVEL IN THE NORTHERN FOOTHILLS WILL BE DIFFICULT THROUGH TONIGHT. ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ044-160230- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ MORGAN COUNTY- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS 1229 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...OCCASIONAL SNOW POSSIBLY BECOME HEAVY AT TIMES THROUGH TONIGHT. * SNOW ACCUMULATIONS...4 TO 9 INCHES POSSIBLE THROUGH TONIGHT. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030-032-034-160230- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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 1229 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT. * SNOW ACCUMULATIONS...6 TO 11 INCHES BY TUESDAY MORNING. * WIND/VISIBILITY...SOUTH TO SOUTHWEST WINDS 10 TO 15 MPH. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS WITH ICY AND SNOWPACKED ROADS. 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. && $$
260 WWUS45 KBOU 152316 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 516 PM MDT MON APR 15 2013 .PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO CONTINUE TONIGHT. HEAVY SNOW IS ALSO EXPECTED TO CONTINUE ACROSS THE NORTH CENTRAL MOUNTAINS...FRONT RANGE FOOTHILLS AND ADJACENT PLAINS...HEAVIEST NORTH OF INTERSTATE 70. COZ038-042-160730- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 516 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL 3 TO 6 INCHES SNOW ACCUMULATION TONIGHT WITH STORM TOTAL ACCUMULATION OF 8 TO 14 INCHES. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-033-160730- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER 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 516 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES THROUGH EARLY TUESDAY MORNING...HEAVIEST ALONG THE HIGHER WEST FACING SLOPES. STORM TOTAL ACCUMULATIONS OF 10 TO 18 INCHES CAN BE EXPECTED. * WIND/VISIBILITY...SOUTH TO SOUTHEAST WINDS 10 TO 20 MPH. VISIBILITIES COULD BE REDUCED BELOW A HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL IN THE MOUNTAINS MAY BECOME DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035-160730- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES 516 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES WILL OCCUR WITH STORM TOTALS FROM 12 TO 20 INCHES. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...TRAVEL IN THE NORTHERN FOOTHILLS WILL BE DIFFICULT THROUGH TONIGHT. ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ039-043-160730- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...EATON...FORT LUPTON...GREELEY...ROGGEN 516 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES THROUGH EARLY TUESDAY MORNING. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 3 TO 6 INCHES TONIGHT WITH STORM TOTAL ACCUMULATIONS OF 6 TO 12 INCHES POSSIBLE...HEAVIEST AMOUNTS NORTHERN JEFFERSON AND EASTERN BOULDER COUNTIES. * WIND/VISIBILITY...EAST NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ040-160730- /O.EXA.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 516 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. * TIMING...BANDS OF SNOW WILL CONTINUE THROUGH EARLY TUESDAY MORNING. THE SNOW WILL BE HEAVIEST THIS EVENING. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 2 TO 5 INCHES TONIGHT. STORM TOTALS WILL RANGE FROM 3 TO 8 INCHES...HEAVIEST NORTH OF INTERSTATE 70. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ036-160730- /O.EXA.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 516 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. * TIMING...SNOW...HEAVY AT TIMES...THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES WITH STORM TOTALS OF 6 TO 12 INCHES...HEAVIEST ALONG AND NORTH OF INTERSTATE 70. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. 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. && $$ COZ044-160730- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ MORGAN COUNTY- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS 516 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...BANDS OF SNOW...HEAVY AT TIMES...THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES TONIGHT WITH STORM TOTALS OF 5 TO 10 INCHES POSSIBLE. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030-032-034-160730- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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 516 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 3 TO 6 INCHES TONIGHT WITH STORM TOTAL ACCUMULATIONS OF 6 TO 12 INCHES. * WIND/VISIBILITY...SOUTH TO SOUTHWEST WINDS 10 TO 15 MPH. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS WITH ICY AND SNOWPACKED ROADS. 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. && $$
884 WWUS45 KBOU 160116 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 716 PM MDT MON APR 15 2013 .PERIODS OF MODERATE TO HEAVY SNOW ARE EXPECTED TO CONTINUE TONIGHT. HEAVY SNOW IS ALSO EXPECTED TO CONTINUE ACROSS THE NORTH CENTRAL MOUNTAINS...FRONT RANGE FOOTHILLS AND ADJACENT PLAINS... HEAVIEST NORTH OF INTERSTATE 70. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL OCCUR IN THE HEAVIER BANDS OF SNOW. COZ036-160930- /O.UPG.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ /O.EXA.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 716 PM MDT MON APR 15 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...SNOW...HEAVY AT TIMES...THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 8 INCHES WITH STORM TOTALS OF 10 TO 16 INCHES...HEAVIEST ALONG AND NORTH OF INTERSTATE 70. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ040-160930- /O.UPG.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ /O.EXA.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 716 PM MDT MON APR 15 2013 ...WINTER STORM WARNING IN EFFECT UNTIL 6 AM MDT TUESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 6 AM MDT TUESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * TIMING...BANDS OF SNOW WILL CONTINUE THIS EVENING THEN GRADUALLY DECREASE AFTER MIDNIGHT. AS A RESULT...THE SNOW WILL BE HEAVIEST DURING THE EVENING HOURS. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATION OF 3 TO 8 INCHES TONIGHT. STORM TOTALS WILL RANGE FROM 6 TO 14 INCHES...HEAVIEST NORTH OF INTERSTATE 70. * WIND/VISIBILITY...NORTHEAST TO EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ038-042-160930- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 716 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL 3 TO 6 INCHES SNOW ACCUMULATION TONIGHT WITH STORM TOTAL ACCUMULATION OF 8 TO 14 INCHES. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-033-160930- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER 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 716 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES THROUGH EARLY TUESDAY MORNING...HEAVIEST ALONG THE HIGHER WEST FACING SLOPES. STORM TOTAL ACCUMULATIONS OF 10 TO 18 INCHES CAN BE EXPECTED. * WIND/VISIBILITY...SOUTH TO SOUTHEAST WINDS 10 TO 20 MPH. VISIBILITIES COULD BE REDUCED BELOW A HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL IN THE MOUNTAINS MAY BECOME DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035-160930- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES 716 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES...WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES WILL OCCUR WITH STORM TOTALS FROM 12 TO 20 INCHES. * WIND/VISIBILITY...EAST TO NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...TRAVEL IN THE NORTHERN FOOTHILLS WILL BE DIFFICULT THROUGH TONIGHT. ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ039-043-160930- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY-CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...EATON...FORT LUPTON...GREELEY...ROGGEN 716 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES THROUGH EARLY TUESDAY MORNING. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 3 TO 8 INCHES TONIGHT WITH STORM TOTAL ACCUMULATIONS OF 6 TO 14 INCHES POSSIBLE...HEAVIEST AMOUNTS NORTHERN JEFFERSON AND EASTERN BOULDER COUNTIES. * WIND/VISIBILITY...EAST NORTHEAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ044-160930- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ MORGAN COUNTY- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS 716 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...BANDS OF SNOW...HEAVY AT TIMES...THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 5 INCHES TONIGHT WITH STORM TOTALS OF 5 TO 10 INCHES POSSIBLE. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS MY BECOME ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030-032-034-160930- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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 716 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 3 TO 6 INCHES TONIGHT WITH STORM TOTAL ACCUMULATIONS OF 6 TO 12 INCHES. * WIND/VISIBILITY...SOUTH TO SOUTHWEST WINDS 10 TO 15 MPH. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS WITH ICY AND SNOWPACKED ROADS. 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. && $$
333 WWUS45 KBOU 160508 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1108 PM MDT MON APR 15 2013 ...SPRING SNOWSTORM WILL WIND DOWN OVERNIGHT... .A BAND OF HEAVY SNOW WILL SHIFT GRADUALLY NORTHWARD THROUGH THE OVERNIGHT HOURS. SNOW WILL FIRST DECREASE IN THE DENVER METRO AREA BY THE MIDNIGHT HOUR...BUT CONTINUE A COUPLE HOURS AFTER THAT FARTHER NORTH AROUND FORT COLLINS AND GREELEY. SNOWFALL RATES WILL RANGE FROM 1 TO 2 INCHES PER HOUR IN THE HEAVY SNOW BAND... WHICH WILL SHIFT TO LOCATIONS ALONG AND NORTH OF THE WYOMING BORDER BEFORE DAYBREAK TUESDAY. COZ038-042-161200- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM 1108 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL BE HEAVY AT TIMES INTO THE EARLY MORNING HOURS...AND THEN DECREASE BEFORE DAYBREAK TUESDAY. * SNOW ACCUMULATIONS...ADDITIONAL 3 TO 6 INCHES SNOW ACCUMULATION TONIGHT WITH STORM TOTAL ACCUMULATION OF 10 TO 15 INCHES. * WIND/VISIBILITY...LIGHT WINDS. VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS AND VERY SLOW TRAVEL CONDITIONS. TRAVEL ON SECONDARY ROADS MAY BE DIFFICULT OR IMPOSSIBLE DUE TO THE DEPTH OF THE SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ031-033-161200- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER 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 1108 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES...WILL GRADUALLY DIMINISH LATE TONIGHT. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 2 TO 4 INCHES THROUGH EARLY TUESDAY MORNING...HEAVIEST ALONG THE HIGHER WEST FACING SLOPES. STORM TOTAL ACCUMULATIONS OF 10 TO 18 INCHES CAN BE EXPECTED. * WIND/VISIBILITY...SOUTH TO SOUTHEAST WINDS 10 TO 20 MPH. VISIBILITIES COULD BE REDUCED BELOW A HALF MILE AT TIMES IN MODERATE TO HEAVY SNOW. * IMPACTS...TRAVEL IN THE MOUNTAINS WILL BE DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ035-036-161200- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1108 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW...HEAVY AT TIMES...THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 5 INCHES...HEAVIEST IN THE FOOTHILLS OF LARIMER COUNTY. THIS WILL BRING STORM TOTAL ACCUMULATIONS INTO THE 10 TO 16 INCH RANGE IN MOST LOCATIONS...WITH A FEW SPOTS IN THE FOOTHILLS OF LARIMER COUNTY SEEING AS MUCH AS 22 INCHES. LIGHTER ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED IN THE FOOTHILLS OF SOUTHERN JEFFERSON AND DOUGLAS COUNTIES. * WIND/VISIBILITY...LIGHT WINDS. VISIBILITIES AROUND ONE QUARTER MILE IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS AND VERY SLOW TRAVEL CONDITIONS. TRAVEL ON SECONDARY ROADS MAY BE DIFFICULT OR IMPOSSIBLE DUE TO THE DEPTH OF THE SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ039-040-043-161200- /O.CON.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ 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- CENTRAL AND SOUTH WELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER...EATON...FORT LUPTON...GREELEY...ROGGEN 1108 PM MDT MON APR 15 2013 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...HEAVY SNOW WILL SHIFT NORTHWARD AND DECREASE TO LIGHT SNOW OR FLURRIES DURING THE EARLY MORNING HOURS. * ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 5 INCHES TONIGHT...HEAVIEST IN WELD COUNTY. STORM TOTAL ACCUMULATIONS WILL VARY LARGELY ACROSS THE AREA...RANGING FROM AS LITTLE AS 4 TO 6 INCHES IN THE SOUTHERN DENVER SUBURBS TO 7 TO 13 INCHES IN DOWNTOWN DENVER...TO BETWEEN 10 AND 18 INCHES FROM THE NORTHERN DENVER SUBURBS INTO WELD COUNTY. * WIND/VISIBILITY...LIGHT WINDS. VISIBILITIES AROUND ONE QUARTER MILE AT TIMES IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS AND VERY SLOW TRAVEL CONDITIONS. TRAVEL ON SOME RURAL ROADS IN WELD COUNTY MAY BE DIFFICULT OR IMPOSSIBLE DUE TO THE DEPTH OF THE SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST TRAVEL...KEEP AN EXTRA FLASHLIGHT... FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. && $$ COZ044-161200- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ MORGAN COUNTY- INCLUDING THE CITIES OF...BRUSH...FORT MORGAN...GOODRICH... WIGGINS 1108 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...HEAVY SNOW WILL DECREASE DURING THE LATE NIGHT HOURS. * SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 4 INCHES TONIGHT WITH STORM TOTALS OF 5 TO 10 INCHES. * WIND/VISIBILITY...EAST WINDS 10 TO 20 MPH WITH VISIBILITIES AROUND ONE QUARTER MILE POSSIBLE IN HEAVY SNOW. * IMPACTS...ROADS WILL BE ICY AND SNOWPACKED DURING PERIODS OF HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ030-032-034-161200- /O.CON.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 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...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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 1108 PM MDT MON APR 15 2013 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MDT TUESDAY... * TIMING...SNOW WILL CONTINUE THROUGH EARLY TUESDAY MORNING. * SNOW ACCUMULATIONS...ADDITIONAL ACCUMULATIONS OF 1 TO 4 INCHES TONIGHT WITH STORM TOTAL ACCUMULATIONS OF 6 TO 14 INCHES. * WIND/VISIBILITY...VISIBILITIES AS LOW AS ONE QUARTER MILE IN THE HEAVY SNOW. LIGHT WINDS. * IMPACTS...TRAVEL IN THE MOUNTAINS WILL BE DIFFICULT DUE TO ICY AND SNOWPACKED ROADWAYS. 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. && $$ BARJENBRUCH
131 WWUS45 KBOU 160938 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 338 AM MDT TUE APR 16 2013 ...HEAVY SNOW HAS MOVED NORTH INTO WYOMING...BUT ANOTHER ROUND EXPECTED IN PORTIONS OF NORTHERN COLORADO LATER THIS AFTERNOON THROUGH TONIGHT AND WEDNESDAY... .A STRONG JET STREAM AND ASSOCIATED HEAVY SNOW HAS SHIFTED JUST NORTH OF COLORADO EARLY THIS MORNING. AS A RESULT...THE WINTER STORM WARNINGS AND ADVISORIES THAT HAD BEEN IN EFFECT UNTIL 6 AM HAVE BEEN CANCELLED. HOWEVER...THIS WEATHER FEATURE IS EXPECTED TO DROP SLIGHTLY SOUTHWARD AGAIN BY TONIGHT AND WEDNESDAY AS AN UPPER LEVEL STORM SYSTEM MOVES INTO UTAH. THIS WILL BRING A RETURN OF SNOW TO MOST OF NORTHEAST AND NORTH CENTRAL COLORADO. THE HEAVIEST AMOUNTS ARE EXPECTED TO OCCUR IN THE NORTHERN MOUNTAINS AND NORTHERN FRONT RANGE FOOTHILLS. COZ031-033-035-036-038>040-042-043-161045- /O.CAN.KBOU.WS.W.0007.000000T0000Z-130416T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER 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- 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-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY- 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...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES...BAILEY... CENTRAL CITY...EVERGREEN...GEORGETOWN...IDAHO SPRINGS... WESTCREEK...FORT COLLINS...HEREFORD...LOVELAND...NUNN...ARVADA... BOULDER...GOLDEN...LAKEWOOD...LONGMONT...AURORA...BRIGHTON... CITY OF DENVER...DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH... LITTLETON...PARKER...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...EATON...FORT LUPTON...GREELEY...ROGGEN 338 AM MDT TUE APR 16 2013 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. HEAVY SNOW HAS SHIFTED NORTHWARD INTO WYOMING AND THE NEBRASKA PANHANDLE EARLY THIS MORNING. THERE WAS A LARGE VARIATION OF SNOW AMOUNTS FROM SOUTH TO NORTH ACROSS THE AREA. TOTAL ACCUMULATIONS RANGED FROM 2 TO 5 INCHES OVER DOUGLAS COUNTY...TO BETWEEN 6 AND 13 INCHES IN JEFFERSON AND DENVER COUNTIES...WITH ANYWHERE FROM 10 TO 18 INCHES FROM THE NORTHERN DENVER SUBURBS AND BOULDER NORTHWARD TO THE WYOMING BORDER. A FEW SPOTS IN THE FOOTHILLS OF LARIMER COUNTY RECEIVED CLOSE TO 20 INCHES. $$ COZ030-032-034-044-161045- /O.CAN.KBOU.WW.Y.0015.000000T0000Z-130416T1200Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-MORGAN COUNTY- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING...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...BRUSH... FORT MORGAN...GOODRICH...WIGGINS 338 AM MDT TUE APR 16 2013 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. $$ BARJENBRUCH
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 Apr 15, 3:42 AM MDT, 1 hour 9 minutes earlier.
Area forecast discussion, Apr 15, 3:42 AM MDT, 1 hour 9 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER/BOULDER CO 342 AM MDT MON APR 15 2013 .SHORT TERM...MAIN CHALLENGE TODAY AND TONIGHT WILL BE SNOWFALL POTENTIAL IN THE MOUNTAINS AND PORTIONS OF THE NORTHEAST PLAINS. NO EASY CHALLENGE AT THAT...AS ANOTHER STRONG 110KT JET CORE MEANDERS ACROSS CENTRAL AND NORTHERN COLORADO THROUGH TONIGHT. WITH THE JET...CSI BANDED SNOWFALL WILL OCCUR...BUT AS WITH THESE TYPE OF EVENTS THE QUESTION IS WHERE THE HEAVIER SNOWFALL WILL OCCUR? GIVEN CURRENT RADAR AND OBSERVATIONS...PRECIP HAS BEEN TRYING TO DEVELOP OVER THE PAST SEVERAL HOURS WITH A CONCENTRATION OF SNOW ALONG AND JUST SOUTH OF THE WYOMING BORDER. DRIER LOW LEVELS IS MAKING THIS PRECIP PROCESS TAKE A BIT LONGER ON THE ADJACENT PLAINS. A BROADER AREA OF SNOW SHOULD BE MOVING INTO THE MOUNTAINS BEFORE DAYBREAK GIVEN TRENDS ON GJT RADAR. MODELS CONTINUE TO FOCUS THE HEAVIEST SNOWFALL NORTH OF THE INTERSTATE 70 CORRIDOR AND ESPECIALLY LOCATIONS FURTHER NORTH TOWARDS THE WYOMING BORDER. THE GFS HAS THE BAND OF SNOW A BIT FURTHER SOUTH...MORE OVER I-70 CORRIDOR AND INCLUDING SUMMIT COUNTY. FOR NOW WILL UPGRADE THE WATCH TO WARNINGS FOR ZONE 31..33..35..38..42 AS THIS IS THE HIGHER CONFIDENCE OF SNOWFALL POTENTIAL. ZONE 34 IS IFFY AND COULD BE ON THE EDGE OF THE HEAVIER SNOWFALL. GIVEN UNFAVORABLE OROGRAPHICS WILL START WITH AN ADVISORY THERE FOR NOW. HILITES FOR LOWER ELEVATIONS IS EVEN MORE TRICKY...ESPECIALLY LOCATIONS FROM BOULDER TO GREELEY. CERTAINLY SOME BANDED SNOWFALL IS LIKELY BUT WOULD BE RATHER LOCALIZED AND FEEL MOST OF THE SNOW WOULD MELT ON PAVEMENT AS TEMPERATURES IN THE BOULDER/DENVER AREA WILL BE IN THE UPPER 30S/LOWER 40S. THIS COULD END UP BEING A LOW IMPACT EVENT FOR THE MAJORITY OF THOSE AREAS AND WILL KEEP THIS AS A WATCH FOR NOW. DENVER IS RIGHT ON THE EDGE BUT FEEL MAJORITY OF THE SNOW TODAY WILL BE NORTH OF DENVER. LOCATIONS SOUTH OF DENVER INCLUDING THE PALMER DIVIDE WILL BE THE DRIEST WITH STRONG SOUTH TO SOUTHEAST LOW LEVEL FLOW. THERE SHOULD BE A BETTER CHANCE OF SNOW TONIGHT ACROSS MUCH OF THE PLAINS AS COLDER AIR USHES IN FROM THE NORTH AS LOW LEVEL FLOW SHIFTS NORTH AND NORTHEAST. .LONG TERM...THE UPPER LEVEL TROUGH WILL CONTINUE OVER THE GREAT BASIN ON TUE WITH SSWLY FLOW ALOFT. MEANWHILE SFC LOW PRES WILL REMAIN OVER WRN CO WITH SELY LOW LVL FLOW EAST OF THE MTNS. CROSS-SECTIONS SHOW UPPER LEVEL JET WILL LIFT NORTH ON TUE WITH DECREASING MOISTURE IN THE MID LEVELS WITH RATHER STABLE LAPSE RATES. THERE WILL STILL BE SOME SNOW IN THE MTNS WITH THE BEST CHC OVER ZNS 31 AND 33 HOWEVER AMOUNTS SHOLD GENERALLY BE ON THE LIGHT SIDE. EAST OF THE MTNS SOME LIGHT SNOW MAY LINGER EARLY IN THE MORNING HOURS FM DENVER NORTH TO THE WY BORDER BUT SHOULD GRADUALLY DECREASE BY MID TO LATE MORNING. BY AFTN WITH SELY LOW LVL FLOW APPEARS BEST CHC OF ANY ADDITIONAL PCPN WILL BE IN THE NRN FOOTHILLS AND ADJACENT PLAINS NR THE WYOMING BORDER WITH DECREASING CHANCES FURTHER SOUTH. MEANWHILE WITH SELY LOW LVL FLOW WILL LIKELY SEE A DENVER CYCLONE DVLP WHICH WILL MAKE FOR AN INTERESTING TEMP FCST. HIGHS FM DENVER SE TOWARDS LIMON COULD RISE INTO THE MID 40S TO NEAR 50 AS SOME CLEARING OCCURS WHILE AREAS TO THE N AND NW OF THE DENVER CYCLONE UP TO THE WYOMING BORDER STAY IN THE 30S WITH CONSIDERABLE CLOUD COVER. FOR TUE NIGHT INTO WED THE UPPER LEVEL TROUGH OVER THE GREAT BASIN WILL BEGIN TO SLOWLY MOVE EASTWARD. AT THIS POINT THERE IS CONSIDERABLE DISAGREEMENT AMONG THE MODELS WHETHER IT WILL REMAIN AN OPEN TROUGH OR EVOLVE INTO A CLOSED SYSTEM. THE GFS AND ECMWF KEEP AN OPEN TROUGH WHILE THE NAM AND GEM HAVE A MORE CLOSED SYSTEM. DESPITE THEIR DIFFERENCES ALL OF THE MODELS SHOW SOME INCREASE IN MID LVL QG ASCENT TUE NIGHT THRU WED ALONG WITH IMPROVING LAPSE RATES HOWEVER THERE ARE DIFFERENCES IN THE AMOUNT OF MID LVL MOISTURE. THE NAM AND TO SOME EXTENT THE GFS KEEP THE DEPER MOISTURE OVER WYOMING TUE NIGHT INTO INTO WED MORNING WHILE THE ECMWF AND GEM HAVE SOMEWHAT DEEPER MOISTURE. MEANWHILE AT THE SFC THE NAM AND GFS KEEP A SFC LOW CENTERED NR DENVER ON TUE NIGHT INTO WED MORNING WHILE THE GEM AND ECMWF HAVE A SURGE OF COOLER AIR MOVING INTO NERN CO TUE NIGHT INTO WED MORNING. AS A RESULT THE ECMWF AND GEM WOULD HAVE A BETTER CHC OF SNOW DEVELOPING LATE TUE NIGHT INTO WED MORNING VS THE NAM AND GFS WHICH KEEP THE BEST CHC OVER WYOMING. AT THIS POINT ITS NOT CLEAR WHICH SOLUTIONS ARE THE BEST FM TUE NIGHT INTO WED MORNING SO WILL NOT ALTER PREVIOUS FCST TOO MUCH. BY WED AFTN AND NIGHT THE MAIN PART OF THE UPPER LEVEL TROUGH IS FCST TO MOVE ACROSS THE AREA IN ONE FORM OR ANOTHER. THE NAM HAS A CLOSED LOW OVER WY BY WED EVENING WHILE THE GEM HAS IT OVER SRN COLORADO. MEANWHILE AS MENTIONED ABV THE ECMWF AND GFS HAVE AN OPEN TROUGH MOVING ACROSS. BY WED AFTN ALL OF THE MODELS HAVE THE LOW LVL FLOW MORE NNE WITH DECENT MOISTURE EXCEPT FOR THE NAM. IN ADDITION THERE IS DECENT MID LVL QG ASCENT AND FAVORABLE LAPSE RATES SO ONE WOULD THINK THERE WILL BE A GOOD CHC OF SNOW WED AFTN INTO EARLY WED EVENING ACROSS NERN CO. IN THE MTNS THERE SHOULD BE A BETTER CHC OF SNOW AS WELL ALTHOUGH THE OROGRAPHICS ARE PRETTY WEAK. AS FOR HIGHS ON WED WILL KEEP READINGS IN THE LOWER TO MID 30S FOR NOW ACROSS NERN CO ALTHOUGH IT COULD BE COLDER IF THE ECMWF AND GEM END UP BEING RIGHT. BY THU THE MAIN UPPER LEVEL TROUGH SHOULD MOVE EAST OF THE AREA WITH DRIER NWLY FLOW ALOFT DEVELOPING. THERE WILL STILL BE ENOUGH LOW LVL MOISTURE IN THE MTNS FOR SOME -SHSN HOWEVER IT SHOULD BY DRY ELSEWHERE ALTHOUGH THERE WILL BE GUSTY NWLY WINDS OVER THE PLAINS. WILL KEEP HIGHS IN THE 35 TO 40 DEGREE RANGE OVER NERN CO. FOR FRI RATHER DRY NWLY FLOW ALOFT WILL REMAIN OVER THE AREA WITH SOME MODERATION IN THE 850-700 MB TEMPS SO SHOULD SEE HIGHS REACH THE UPPER 40S TO LOWER 50S OVER NERN CO. ON SAT A DISTURBANCE IN NW FLOW ALOFT WILL AFFECT THE AREA AND BRING A CHC OF SNOW TO THE MTNS. ACROSS NERN CO A WEAK FNT MAY MOVE INTO NERN CO IN THE AFTN AND AS THE DISTURBANCE MOVES ACROSS THERE COULD BE A SLIGHT CHC OF SHOWERS. && .AVIATION...HIGH STRATUS DECK IN PLACE AT LOCAL TERMINALS WITH ILS APPROACHES LIKELY AT DENVER FOR MAJORITY OF TODAY AND TONIGHT. GIVEN THE MODEST SOUTH TO SOUTHEAST WINDS THIS AM...SNOW DEVELOPMENT WILL BE SPARSE WITH ONLY SCATTERED SHOWERS AND RUNWAY SURFACES AT LEAST JUST REMAINING WET FOR TODAY. BEST CHANCE OF SNOW AND IFR CONDITIONS WILL BE TONIGHT AS SURFACE LOW PRESSURE INTENSIFIES AND DRAGS COLDER IN FROM THE NORTH WITH NORTH TO NORTHEAST LOW LEVEL FLOW. SNOW ACCUMULATIONS BY TUE AM LIKELY TO RANGE FROM 2 TO 4 INCHES WITH MOST OF THE SNOWFALL TONIGHT. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER WEATHER ADVISORY UNTIL 6 AM MDT TUESDAY FOR COZ030-032- 034. WINTER STORM WARNING UNTIL 6 AM MDT TUESDAY FOR COZ031-033-035- 038-042. WINTER STORM WATCH THROUGH LATE TONIGHT FOR COZ039-043-044. && SHORT TERM...ENTREKIN LONG TERM....RPK AVIATION...ENTREKIN
Hazardous weather outlook, Apr 14, 11:10 AM MDT, 17 hours 41 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1110 AM MDT SUN APR 14 2013 COZ030>051-151715- 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- 1110 AM MDT SUN APR 14 2013 ...WINTER STORM WATCH MONDAY THROUGH LATE MONDAY NIGHT FOR THE NORTHERN MOUNTAINS AND NORTHERN FOOTHILLS... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT SNOW SHOWERS OVER THE MOUNTAINS WILL GRADUALLY DECREASE THROUGH THE AFTERNOON. ADDITIONAL SNOWFALL WILL BE INCHES OR LESS...MAINLY ON WEST FACING SLOPES. GUSTY WEST WINDS WILL RESULT IN SOME BLOWING SNOW AT TIMES. WINDS ACROSS THE PLAINS WILL BE STRONG THROUGH THE AFTERNOON WITH GUSTS OF 35 TO 50 MPH AT TIMES. TEMPERATURES WILL BE COOLER TODAY WITH READINGS IN THE 50S...IN SPITE OF SUNNY SKIES. LIGHT SNOW WILL REDEVELOP LATER TONIGHT OVER THE MOUNTAINS WITH 1 TO 3 INCHES OF ACCUMULATION BY MONDAY MORNING. .DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY A STORM SYSTEM WILL MOVE INTO THE GREAT BASIN ON MONDAY WITH MOIST SOUTHWEST FLOW ALOFT. IN ADDITION A COLD FRONT WILL MOVE INTO NORTHEAST COLORADO WITH UPSLOPE FLOW DEVELOPING ALONG THE FRONT RANGE. THERE WILL BE A THREAT FOR HEAVY SNOW IN THE NORTHERN MOUNTAINS AND ACROSS THE NORTHERN FOOTHILLS FROM MONDAY THROUGH MONDAY NIGHT. IN ADDITION THERE WILL BE SOME POTENTIAL FOR HEAVY SNOW MONDAY NIGHT IN THE FORT COLLINS AND GREELEY AREAS AND POSSIBLY ACROSS THE NORTHERN SUBURBS OF DENVER. SNOW ACCUMULATIONS OF 8 TO 16 INCHES WILL BE POSSIBLE IN THE NORTHERN MOUNTAINS AND NORTHERN FOOTHILLS. AT LOWER ELEVATIONS FROM 3 TO 6 INCHES COULD FALL MONDAY NIGHT FROM NORTH OF DENVER TO THE WYOMING BORDER WITH HIGHER AMOUNTS POSSIBLE. ON TUESDAY LIGHT SNOW WILL BE POSSIBLE IN MOST AREAS BEFORE THE MAIN STORM SYSTEM MOVES ACROSS LATE TUESDAY INTO WEDNESDAY. ANOTHER ROUND OF HEAVIER SNOW COULD OCCUR IN THE MOUNTAINS... FOOTHILLS AND ADJACENT PLAINS ON WEDNESDAY AS A SECOND SURGE OF COLDER AIR ENHANCES UPSLOPE FLOW ACROSS NORTHERN COLORADO. FAIRLY MOIST NORTHWESTERLY FLOW ALOFT WILL MOVE INTO THE FORECAST AREA THURSDAY THROUGH NEXT WEEKEND. THERE WILL BE A CHANCE OF SNOW IN THE MOUNTIANS WITH TEMPERATURES REMAINING BELOW SEASONAL NORMALS. BY THURSDAY...THE STORM SYSTEM SHOULD EXIT THE REGION WITH ONLY A CHANCE OF LIGHT SNOW IN THE MOUNTAINS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 15, 4:51 AM MDT | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 9 more | 23 hr |
Nearby
Winter Storm Warnings in Colorado, 2013Every winter storm warning in 2013
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.