Alert archive / Colorado / Winter Storm Warnings in 2011
Winter Storm Warning 15, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Nov 30, 2011, 5:35 AM MST for 5 counties in Colorado. It took effect at Dec 1, 2011, 3:00 AM MST. It was in force for 11 hr. 20 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
- Nov 30, 2011, 5:35 AM MST (12:35 UTC)
- In effect from
- Dec 1, 2011, 3:00 AM MST
- Expired
- Dec 1, 2011, 2:25 PM MST
- In force
- 11 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Douglas County, CO, Elbert County, CO, Lincoln County, CO
The radar
The Denver radar (KFTG), 47 km from the middle of the area, began a volume at 12:36 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 |
|---|---|---|---|
| Dec 1, 4:52 AM MST | SNOW 2 | 1 W Northglenn, CO | |
| Dec 1, 6:30 AM MST | SNOW 2.6 | 8 Se Watkins, CO | |
| Dec 1, 7:00 AM MST | SNOW 1.6 | 3 W Barr Lake, CO | |
| Dec 1, 7:20 AM MST | SNOW 3 | 3 E Highlands Ranch, CO | |
| Dec 1, 7:30 AM MST | SNOW 2 | 5 Sse Sedalia, CO | |
| Dec 1, 7:45 AM MST | SNOW 3.2 | 5 Ssw Arapahoe Park, CO | |
| Dec 1, 8:15 AM MST | SNOW 2.5 | 5 S Denver, CO | |
| Dec 1, 8:15 AM MST | SNOW 2.6 | Cherry Creek Reservoir, CO | |
| Dec 1, 8:15 AM MST | SNOW 2.9 | 10 Sse Buckley Afb, CO | |
| Dec 1, 8:15 AM MST | SNOW 2.9 | Cherry Hills Village, CO | |
| Dec 1, 8:15 AM MST | SNOW 3 | 2 N Roxborough Park, CO | |
| Dec 1, 8:15 AM MST | SNOW 3.3 | 1 Sw Northglenn, CO | |
| Dec 1, 8:15 AM MST | SNOW 4.6 | 2 N Thornton, CO | |
| Dec 1, 8:50 AM MST | SNOW 2.8 | E Brighton, CO | |
| Dec 1, 9:10 AM MST | SNOW 5 | 3 Sse Aurora, CO | |
| Dec 1, 9:30 AM MST | SNOW 4 | 2 Nw Strasburg, CO | |
| Dec 1, 10:15 AM MST | SNOW 5.4 | 8 Se Watkins, CO | 18 INCH SNOW DRIFTS |
| Dec 1, 10:20 AM MST | SNOW 4.3 | 2 Nne Littleton, CO | |
| Dec 1, 11:30 AM MST | HEAVY SNOW 6.2 | 5 Ssw Arapahoe Park, CO | |
| Dec 1, 12:00 PM MST | SNOW 4.1 | 5 Ne Northglenn, CO |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 0.6 hours before the alert went out and 100 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
- 4811 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 89 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
693 WWUS45 KBOU 301235 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 535 AM MST WED NOV 30 2011 ...SNOW...WIND AND COLD ON THE WAY... .A WINTER STORM DEVELOPING OVER THE PACIFIC NORTHWEST WEDNESDAY WILL MOVE SOUTHEASTWARD AND AFFECT NORTHEAST AND NORTH CENTRAL COLORADO WEDNESDAY NIGHT AND THURSDAY. COZ041-045>047-302000- /O.UPG.KBOU.WS.A.0013.111201T0600Z-111202T0000Z/ /O.NEW.KBOU.WS.W.0015.111201T0600Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER 535 AM MST WED NOV 30 2011 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW AND WIND WILL BEGIN LATER THIS EVENING AND CONTINUE THROUGH THURSDAY. * ACCUMULATION/WIND...5 TO 8 INCHES...LIGHEST IN SOUTHERN LINCOLN COUNTY. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * MAIN IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED. EXPECT VERY POOR VISIBILITIES AT TIMES IN WHITEOUT CONDITIONS. * OTHER IMPACTS...WIND CHILLS NEAR ZERO. BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE DIFFICULT...AND EVEN DANGEROUS AT TIMES DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY NIGHT. IF YOU MUST TRAVEL...KEEP FOOD ...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ039-040-302000- /O.CON.KBOU.WS.A.0013.111201T0600Z-111202T0000Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 535 AM MST WED NOV 30 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * TIMING...SNOW WILL BEGIN LATER THIS EVENING AND BE POSSIBLE THROUGH MUCH OF THE DAY THURSDAY. * ACCUMULATION/WIND...3 TO 8 INCHES POSSIBLE...HIGHEST SOUTH AND WEST OF DENVER PROPER. NORTH TO NORTHEAST WINDS 10 TO 20 MPH WEST OF I-25 AND 20 TO 30 MPH EAST OF I-25. GUSTS AS HIGH AS 40 MPH EASTERN SUBURBS. * MAIN IMPACT...ROADS WILL LIKELY BECOME ICY AND SNOW PACKED. VISIBILITIES WILL BE REDUCED AT TIMES ESPECIALLY AWAY FROM THE MOUNTAINS. * OTHER IMPACTS...AREA AIRPORTS WILL PROBABLY EXPERIENCE DELAYS AND THE THURSDAY MORNING COMMUTE WILL BE DIFFICULT. WIND CHILLS WILL BE IN THE SINGLE DIGITS. PRECAUTIONARY/PREPAREDNESS ACTIONS... THERE IS STILL A BIT OF UNCERTAINTY AS TO THE AMOUNT OF SNOW THAT WILL OCCUR IN THE DENVER AREA. WINDY CONDITIONS SEEM TO BE A PRETTY GOOD BET HOWEVER. STAY ABREAST OF THE LATEST WEATHER FORECASTS. && $$ COZ038-042>044-048>051-302000- /O.CON.KBOU.WS.A.0013.111201T0600Z-111201T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 535 AM MST WED NOV 30 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * TIMING...SNOW WILL BEGIN LATER THIS EVENING AND CONTINUE THROUGH THE FORENOON ON THURSDAY. * ACCUMULATION/WIND...2 TO 6 INCHES WITH THE LIGHTEST AMOUNTS NEAR THE WYOMING AND NEBRASKA BORDERS. NORTH TO NORTHEAST WINDS OF 25 TO 40 MPH. * MAIN IMPACT...ROADS MAY BECOME ICY AND SNOW PACKED. VISIBILITIES COULD BECOME SIGNIFICANTLY REDUCED AT TIMES. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO AND BLOWING AND DRIFTING SNOW COULD POSE A TRAVEL HAZARD ESPECIALLY ALONG AND SOUTH OF THE SOUTH PLATTE RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... BE PREPARED FOR A SIGNIFICANT CHANGE FROM THE WARM WEATHER EXPERIENCED OVER THE LAST SEVERAL DAYS. STAY ABREAST OF THE LATEST WEATHER FORECASTS. && $$ COZ033>036-302000- /O.CON.KBOU.WS.A.0013.111201T0600Z-111202T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...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...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 535 AM MST WED NOV 30 2011 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH THURSDAY AFTERNOON. * TIMING...SNOW WILL BEGIN DURING THE EVENING AND CONTINUE THROUGH MOST OF THURSDAY. * ACCUMULATION/WIND...8 TO 16 INCHES WITH THE HIGHER AMOUNTS ON EAST FACING MOUNTAIN SLOPES. NORTHEAST WINDS OF 15 TO 30 MPH WITH SOME GUSTS TO AROUND 50 MPH ATOP AND WEST OF THE CONTINENTAL DIVIDE. * MAIN IMPACT...ROADS WILL LIKELY BECOME ICY AND SNOW PACKED WITH ADEQUATE SNOW TIRES OR TIRE CHAINS POSSIBLY REQUIRED ON MANY HIGH COUNTRY ROADWAYS. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES. * OTHER IMPACTS...WIND CHILLS WELL BELOW ZERO WILL OCCUR... ESPECIALLY IN THE HIGHEST AREAS. EXPECT AREAS OF BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BECOME DIFFICULT DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$
7 follow-up statements
238 WWUS45 KBOU 301827 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1127 AM MST WED NOV 30 2011 ...SNOW...WIND AND COLD STILL ON THE WAY FOR COLORADO... .A WINTER STORM DEVELOPING OVER THE NORTHERN ROCKY MOUNTAINS WILL MOVE SOUTHEASTWARD INTO SOUTHERN NEVADA LATER TONIGHT AND AFFECT NORTHEAST AND NORTH CENTRAL COLORADO LATE TONIGHT AND THURSDAY. AN ACCOMPANYING COLD FRONT WILL SWEEP ACROSS NORTHEAST COLORADO LATER THIS EVENING AND OVERNIGHT WITH SNOW DEVELOPING BEHIND THE COLD FRONT. COZ050-051-301930- /O.CAN.KBOU.WS.A.0013.111201T0600Z-111201T2100Z/ SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...JULESBURG...OVID...SEDGWICK...AMHERST... HAXTUN...HOLYOKE 1127 AM MST WED NOV 30 2011 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WATCH. SNOW ACCUMULATIONS UP TO 2 INCHES ARE EXPECTED BUT GUSTY NORTHERLY WINDS WILL CREATE SOME BLOWING SNOW. $$ COZ041-045>047-010230- /O.CON.KBOU.WS.W.0015.111201T0600Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER 1127 AM MST WED NOV 30 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. * TIMING...SNOW AND WIND WILL BEGIN AFTER MIDNIGHT AND CONTINUE THROUGH THURSDAY. * ACCUMULATION/WIND...3 TO 8 INCHES...LIGHTEST IN SOUTHERN LINCOLN COUNTY. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * MAIN IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED. EXPECT VERY POOR VISIBILITIES AT TIMES IN WHITEOUT CONDITIONS. * OTHER IMPACTS...WIND CHILLS NEAR ZERO. BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE DIFFICULT...AND EVEN DANGEROUS AT TIMES DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY NIGHT. IF YOU MUST TRAVEL...KEEP FOOD ...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ039-040-010230- /O.UPG.KBOU.WS.A.0013.111201T0600Z-111202T0000Z/ /O.NEW.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ 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- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 1127 AM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BEGIN AROUND MIDNIGHT AND CONTINUE THROUGH MUCH OF THE DAY THURSDAY. * ACCUMULATION/WIND...3 TO 6 INCHES POSSIBLE...HIGHEST SOUTH AND WEST OF DENVER PROPER. NORTH TO NORTHEAST WINDS 10 TO 20 MPH WEST OF I-25 AND 20 TO 35 MPH EAST OF I-25. * MAIN IMPACT...ROADS WILL LIKELY BECOME ICY AND SNOW PACKED. VISIBILITIES WILL BE REDUCED AT TIMES ESPECIALLY AWAY FROM THE MOUNTAINS. * OTHER IMPACTS...AREA AIRPORTS WILL PROBABLY EXPERIENCE DELAYS AND THE THURSDAY MORNING COMMUTE WILL BE DIFFICULT. WIND CHILLS WILL BE IN THE SINGLE DIGITS. && PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE DIFFICULT AT TIMES DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY NIGHT. IF YOU MUST TRAVEL...KEEP FOOD ...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ038-042>044-048-049-010230- /O.UPG.KBOU.WS.A.0013.111201T0600Z-111201T2100Z/ /O.NEW.KBOU.WW.Y.0045.111201T0600Z-111201T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 1127 AM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 2 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BEGIN LATER THIS EVENING AND CONTINUE THROUGH EARLY THURSDAY AFTERNOON. * ACCUMULATION/WIND...2 TO 5 INCHES WITH THE LIGHTEST AMOUNTS NEAR THE WYOMING AND NEBRASKA BORDERS. NORTH TO NORTHEAST WINDS OF 20 TO 35 MPH. * MAIN IMPACT...ROADS MAY BECOME ICY AND SNOW PACKED. VISIBILITIES COULD BECOME SIGNIFICANTLY REDUCED AT TIMES. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO AND BLOWING AND DRIFTING SNOW COULD POSE A TRAVEL HAZARD ESPECIALLY ALONG AND SOUTH OF THE SOUTH PLATTE RIVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE DIFFICULT AT TIMES DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY NIGHT. IF YOU MUST TRAVEL...KEEP FOOD ...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ033>036-010230- /O.UPG.KBOU.WS.A.0013.111201T0600Z-111202T0000Z/ /O.NEW.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...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...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1127 AM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL BEGIN LATER THIS EVENING AND CONTINUE THROUGH MOST OF THURSDAY. * ACCUMULATION/WIND...4 TO 10 INCHES WITH THE HIGHER AMOUNTS ON EAST FACING MOUNTAIN SLOPES. NORTHEAST WINDS OF 15 TO 25 MPH WITH SOME GUSTS TO AROUND 50 MPH ATOP AND WEST OF THE CONTINENTAL DIVIDE. * MAIN IMPACT...ROADS WILL LIKELY BECOME ICY AND SNOW PACKED WITH ADEQUATE SNOW TIRES OR TIRE CHAINS POSSIBLY REQUIRED ON MANY HIGH COUNTRY ROADWAYS. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES. * OTHER IMPACTS...WIND CHILLS WELL BELOW ZERO WILL OCCUR... ESPECIALLY IN THE HIGHEST AREAS. EXPECT AREAS OF BLOWING AND DRIFTING SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BECOME DIFFICULT DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ037-010230- /O.NEW.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...FAIRPLAY...HARTSEL...LAKE GEORGE... SOUTH PARK 1127 AM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. * TIMING...SNOW WILL BEGIN LATER THIS EVENING AND CONTINUE THROUGH MOST OF THURSDAY. * ACCUMULATION/WIND...ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BY LATE THURSDAY AFTERNOON. * IMPACTS...ROADS WILL LIKELY BECOME ICY AND SNOW PACKED WITH ADEQUATE SNOW TIRES OR TIRE CHAINS POSSIBLY REQUIRED ON SOME PASSES. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BECOME DIFFICULT DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$
251 WWUS45 KBOU 010215 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 715 PM MST WED NOV 30 2011 ...SNOW...WIND AND COLD STILL ON THE WAY FOR COLORADO... .A WINTER STORM WILL CONTINUE TO DROP SOUTHWARD ACROSS THE DESERT SOUTHWEST TONIGHT INTO THURSDAY. MEANWHILE...AN ACCOMPANYING COLD FRONT WILL SWEEP ACROSS NORTHEAST COLORADO LATE THIS EVENING WITH SNOW DEVELOPING BEHIND THE FRONT. THE SNOW IS EXPECTED TO INCREASE FROM NORTH TO SOUTH ACROSS THE AREA OVERNIGHT BEFORE GRADUALLY DIMINISHING THURSDAY AFTERNOON. COZ041-045>047-011200- /O.EXT.KBOU.WS.W.0015.111201T1000Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER 715 PM MST WED NOV 30 2011 ...WINTER STORM WARNING NOW IN EFFECT FROM 3 AM TO 5 PM MST THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT FROM 3 AM TO 5 PM MST THURSDAY. * TIMING...SNOW WILL BEGIN WELL AFTER MIDNIGHT AND THEN CONTINUE THROUGH THURSDAY. THE SNOW IS EXPECTED TO DECREASE LATE THURSDAY AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES...WITH THE HEAVIEST AMOUNTS OVER THE PALMER DIVIDE IN DOUGLAS COUNTY. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * MAIN IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED. EXPECT VERY POOR VISIBILITIES AT TIMES WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BE DIFFICULT...AND EVEN DANGEROUS AT TIMES LATE TONIGHT AND THURSDAY MORNING DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY NIGHT. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ039-040-011200- /O.CON.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 715 PM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. * TIMING...SNOW WILL BEGIN BY OR SHORTLY AFTER MIDNIGHT AND THEN CONTINUE THROUGH MUCH OF THURSDAY. THE SNOW WILL GRADUALLY DECREASE THURSDAY AFTERNOON. * ACCUMULATION/WIND...3 TO 6 INCHES CAN BE EXPECTED...WITH THE HIGHEST AMOUNTS IN THE SOUTHERN AND WESTERN SUBURBS. NORTH TO NORTHEAST WINDS 10 TO 20 MPH WEST OF I-25 AND 20 TO 30 MPH EAST OF I-25. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOW PACKED LATER TONIGHT. VISIBILITIES WILL BE REDUCED AT TIMES ESPECIALLY AWAY FROM THE MOUNTAINS. * OTHER IMPACTS...AREA AIRPORTS WILL PROBABLY EXPERIENCE DELAYS AND THE THURSDAY MORNING COMMUTE WILL BE HAZARDOUS AND SLOW. WIND CHILLS WILL BE IN THE SINGLE DIGITS. ROADS WILL BECOME ICY AND SNOWPACKED LATER TONIGHT WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION. && $$ COZ038-042>044-048-049-011200- /O.CON.KBOU.WW.Y.0045.111201T0600Z-111201T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 715 PM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 2 PM MST THURSDAY. * TIMING...SNOW WILL SPREAD SOUTHWARD ACROSS THE AREA LATE THIS EVENING AND THEN CONTINUE INTO EARLY THURSDAY AFTERNOON. THE SNOW IS EXPECTED TO DECREASE BY MID AFTERNOON THURSDAY. * ACCUMULATION/WIND...2 TO 5 INCHES WITH THE LIGHTEST AMOUNTS NEAR THE WYOMING AND NEBRASKA BORDERS. NORTH TO NORTHEAST WINDS OF 20 TO 35 MPH. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOWPACKED. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED BY BLOWING SNOW ESPECIALLY IN OPEN AREAS. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... ROADS WILL BECOME ICY AND SNOWPACKED LATER TONIGHT WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION. && $$ COZ033>037-011200- /O.CON.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ 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- INCLUDING THE CITIES OF...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...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 715 PM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY. * TIMING...SNOW WILL BEGIN LATE THIS EVENING AND CONTINUE THROUGH MOST OF THURSDAY. THE SNOW IS EXPECTED TO DECREASE LATE THURSDAY AFTERNOON. * ACCUMULATION/WIND...ACCUMULATIONS OF 4 TO 11 INCHES CAN BE EXPECTED BY LATE THURSDAY AFTERNOON...WITH THE HEAVIEST AMOUNTS IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS. NORTHEAST WINDS WILL GUST TO AROUND 45 MPH ABOVE TIMBERLINE...WITH LIGHTER WINDS OF 15 TO 25 MPH IN THE FOOTHILLS. * IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED. ADEQUATE SNOW TIRES OR TIRE CHAINS WILL LIKELY BE REQUIRED ON SOME MOUNTAIN PASSES. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES DUE TO BLOWING SNOW OVER THE HIGHER MOUNTAIN PASSES AS WELL. * OTHER IMPACTS...WIND CHILL READINGS WILL BE NEAR ZERO IN THE FOOTHILLS...WITH ZERO TO 20 BELOW ZERO READINGS IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BECOME HAZARDOUS DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY EVENING. EXPOSED SKIN WILL BE SUBJECT TO FROSTBITE SO PREPARE FOR THE COLD CONDITIONS BY DRESSING WARMLY IN SEVERAL LAYERS OF CLOTHING. && $$ BARJENBRUCH
357 WWUS45 KBOU 010554 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1054 PM MST WED NOV 30 2011 ...SNOW...WIND AND COLD STILL ON THE WAY FOR COLORADO... .A COLD FRONT HAS PUSHED SOUTHWARD ACROSS NORTHEAST COLORADO THIS EVENING USHERING IN COOLER AND MORE MOIST AIR. THE AIRMASS BEHIND THE FRONT WILL CONTINUE TO MOISTEN AND UPSLOPE FLOW WILL DEEPEN THROUGH EARLY THURSDAY MORNING. THIS WILL ALLOW SNOW TO SPREAD SOUTHWARD ACROSS NORTHEAST AND NORTH CENTRAL COLORADO OVERNIGHT INTO THURSDAY MORNING. THE HEAVIEST SNOW IS EXPECTED TO FALL FROM LATE TONIGHT THROUGH THURSDAY MORNING. SNOW WILL BEGIN TO TAPER OFF FROM NORTH TO SOUTH ACROSS THE AREA THURSDAY AFTERNOON. COZ041-045>047-011400- /O.CON.KBOU.WS.W.0015.111201T1000Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER 1054 PM MST WED NOV 30 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TO 5 PM MST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 3 AM TO 5 PM MST THURSDAY. * TIMING...SNOW WILL BEGIN WELL AFTER MIDNIGHT AND THEN CONTINUE THROUGH THURSDAY. THE SNOW IS EXPECTED TO DECREASE LATE THURSDAY AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES...WITH THE HEAVIEST AMOUNTS OVER THE PALMER DIVIDE IN DOUGLAS COUNTY. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * MAIN IMPACTS...EXPECT VERY POOR VISIBILITIES AT TIMES WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. ROADS WILL BECOME ICY AND SNOW PACKED. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BE DIFFICULT...AND EVEN DANGEROUS AT TIMES LATE TONIGHT AND THURSDAY MORNING DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY NIGHT. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ039-040-011400- /O.CON.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 1054 PM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY. * TIMING...SNOW WILL OVERSPREAD THE AREA AND BECOME HEAVIER THROUGH THE EARLY MORNING HOURS. THE SNOW WILL CONTINUE THROUGH MOST OF THURSDAY...BUT GRADUALLY DECREASE IN THE AFTERNOON. * ACCUMULATION/WIND...3 TO 6 INCHES CAN BE EXPECTED...WITH THE HIGHEST AMOUNTS IN THE SOUTHERN AND WESTERN SUBURBS. NORTH TO NORTHEAST WINDS 10 TO 20 MPH WEST OF I-25 AND 20 TO 30 MPH EAST OF I-25. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOW PACKED LATER TONIGHT. VISIBILITIES WILL BE REDUCED AT TIMES ESPECIALLY EAST OF I-25 WHERE WINDS WILL BE STRONGEST. * OTHER IMPACTS...AREA AIRPORTS WILL PROBABLY EXPERIENCE DELAYS AND THE THURSDAY MORNING COMMUTE WILL BE HAZARDOUS AND SLOW. WIND CHILLS WILL BE IN THE SINGLE DIGITS. ROADS WILL BECOME ICY AND SNOWPACKED LATER TONIGHT WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION. && $$ COZ038-042>044-048-049-011400- /O.CON.KBOU.WW.Y.0045.111201T0600Z-111201T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 1054 PM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THURSDAY. * TIMING...SNOW WILL SPREAD SOUTHWARD ACROSS THE PLAINS THROUGH THE EARLY MORNING HOURS. THE SNOW WILL CONTINUE THROUGH EARLY THURSDAY AFTERNOON...BUT THEN DECREASE BY MID AFTERNOON. * ACCUMULATION/WIND...2 TO 5 INCHES WITH THE LIGHTEST AMOUNTS NEAR THE WYOMING AND NEBRASKA BORDERS. NORTH TO NORTHEAST WINDS OF 20 TO 35 MPH. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOWPACKED. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED BY BLOWING SNOW ESPECIALLY IN OPEN AREAS. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... ROADS WILL BECOME ICY AND SNOWPACKED LATER TONIGHT WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION. && $$ COZ033>037-011400- /O.CON.KBOU.WW.Y.0045.111201T0600Z-111202T0000Z/ 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- INCLUDING THE CITIES OF...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...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 1054 PM MST WED NOV 30 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THURSDAY. * TIMING...SNOW WILL CONTINUE THROUGH MOST OF THURSDAY...WITH THE HEAVIEST SNOW FALLING LATE TONIGHT THROUGH THURSDAY MORNING. THE SNOW IS EXPECTED TO DECREASE LATE THURSDAY AFTERNOON. * ACCUMULATION/WIND...ACCUMULATIONS OF 5 TO 11 INCHES CAN BE EXPECTED BY LATE THURSDAY AFTERNOON...WITH THE HEAVIEST AMOUNTS IN THE FRONT RANGE MOUNTAINS AND FOOTHILLS. NORTHEAST WINDS WILL GUST TO AROUND 45 MPH ABOVE TIMBERLINE...WITH LIGHTER WINDS OF 15 TO 25 MPH IN THE FOOTHILLS. * IMPACTS...ROADS WILL BECOME ICY AND SNOW PACKED. ADEQUATE SNOW TIRES OR TIRE CHAINS WILL LIKELY BE REQUIRED ON SOME MOUNTAIN PASSES. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES DUE TO BLOWING SNOW OVER THE HIGHER MOUNTAIN PASSES AS WELL. * OTHER IMPACTS...WIND CHILL READINGS WILL BE NEAR ZERO IN THE FOOTHILLS...WITH ZERO TO 20 BELOW ZERO READINGS IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BECOME HAZARDOUS DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY EVENING. EXPOSED SKIN WILL BE SUBJECT TO FROSTBITE SO PREPARE FOR THE COLD CONDITIONS BY DRESSING WARMLY IN SEVERAL LAYERS OF CLOTHING. && $$ BARJENBRUCH
057 WWUS45 KBOU 011235 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 535 AM MST THU DEC 1 2011 ...SNOW...WIND AND COLD TODAY... .AN AREA OF SNOW WILL MOVE FROM ACROSS COLORADO TODAY. THE SNOW WILL BE HEAVIEST IN THE DENVER AREA AND THE NORTHERN MOUNTAINS THIS MORNING...SHIFTING SOUTHWARD THIS AFTERNOON. THE HEAVIEST SNOW WILL BE ALONG THE EAST SLOPES OF THE MOUNTAINS AND SOUTH OF DENVER. STRONG WINDS WILL PRODUCE BLOWING SNOW ON THE PLAINS EVEN WHERE THE SNOWFALL IS NOT HEAVY. COZ047-012100- /O.CAN.KBOU.WS.W.0015.000000T0000Z-111202T0000Z/ /O.EXA.KBOU.WW.Y.0045.000000T0000Z-111201T2100Z/ SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- INCLUDING THE CITIES OF...FORDER...KARVAL...KUTCH...PUNKIN CENTER 535 AM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. THE WINTER STORM WARNING HAS BEEN CANCELLED. * TIMING...SNOW WILL FALL THIS MORNING THROUGH EARLY AFTERNOON...THEN DECREASE. * ACCUMULATION/WIND...1 TO 3 INCHES OF SNOW. NORTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 45 MPH. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOWPACKED. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED BY BLOWING SNOW ESPECIALLY IN OPEN AREAS. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... ROADS WILL BECOME ICY AND SNOWPACKED THIS MORNING WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION AND BE ALERT FOR CHANGING ROAD CONDITIONS. && $$ COZ041-045-046-012100- /O.CON.KBOU.WS.W.0015.000000T0000Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON 535 AM MST THU DEC 1 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TODAY AND MAY BE HEAVY AT TIMES THIS MORNING. THE SNOW WILL DECREASE LATE THIS AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES...WITH THE HEAVIEST AMOUNTS IN SOUTHERN DOUGLAS AND ELBERT COUNTIES. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * MAIN IMPACTS...EXPECT VERY POOR VISIBILITIES AT TIMES WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. ROADS WILL BECOME ICY AND SNOW PACKED. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BECOME DIFFICULT THIS MORNING DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE LATE TODAY. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-031-012100- /O.EXA.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ JACKSON COUNTY BELOW 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS 535 AM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TODAY...BUT GRADUALLY DECREASE IN THE AFTERNOON. * ACCUMULATION/WIND...5 TO 11 INCHES IN THE MOUNTAINS...WITH 2 TO 5 INCHES IN NORTH PARK. NORTHEAST WINDS AT 20 TO 30 MPH WITH GUSTS AS HIGH AS 50 MPH. GUSTS UP TO 65 MPH ABOVE 10 THOUSAND FEET. * MAIN IMPACT...ROADS WILL BE ICY AND SNOW PACKED AND THERE WILL BE AREAS OF LOW VISIBILITIES IN BLOWING SNOW WITH NEAR BLIZZARD CONDITIONS OVER RABBIT EARS PASS. * OTHER IMPACTS...WIND CHILLS WILL BE FROM ZERO TO 10 BELOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE DIFFICULT THIS MORNING...ESPECIALLY THROUGH THE MOUNTAINS...DUE TO LOW VISIBILITIES AND SNOWPACKED ROADS. && $$ COZ039-040-012100- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 535 AM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE THIS MORNING...THEN DECREASE IN THE AFTERNOON. * ACCUMULATION/WIND...3 TO 6 INCHES CAN BE EXPECTED...WITH THE HIGHEST AMOUNTS IN THE SOUTHERN AND WESTERN SUBURBS. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH EAST OF INTERSTATE 25. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOW PACKED. VISIBILITIES WILL BE REDUCED AT TIMES MAINLY EAST OF INTERSTATE 25 WHERE WINDS WILL BE STRONGEST. * OTHER IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS SHOULD ALLOW FOR EXTRA TIME FOR THEIR TRAVEL TODAY. BE ALERT FOR VARIABLE ROAD CONDITIONS AS THE ROADS MAY BE ICY IN SOME AREAS AND NOT OTHERS. && $$ COZ038-042>044-048-049-012100- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111201T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS 535 AM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE THROUGH EARLY AFTERNOON...THEN DECREASE. * ACCUMULATION/WIND...2 TO 5 INCHES WITH THE LIGHTEST AMOUNTS NEAR THE WYOMING AND NEBRASKA BORDERS. NORTH TO NORTHEAST WINDS OF 20 TO 35 MPH. * MAIN IMPACT...ROADS WILL BECOME ICY AND SNOWPACKED. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED BY BLOWING SNOW ESPECIALLY IN OPEN AREAS. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... ROADS WILL BECOME ICY AND SNOWPACKED WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION. BE ALERT TO CHANGING ROAD CONDITIONS. && $$ COZ033>037-012100- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ 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- INCLUDING THE CITIES OF...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...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY... HARTSEL...LAKE GEORGE...SOUTH PARK 535 AM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TODAY...WITH THE HEAVIEST SNOW IN THE MORNING. * ACCUMULATION/WIND...ACCUMULATIONS OF 5 TO 11 INCHES CAN BE EXPECTED BY LATE THURSDAY AFTERNOON...WITH THE HEAVIEST AMOUNTS ON THE EAST SLOPES OF THE MOUNTAINS. NORTHEAST WINDS WILL GUST TO AROUND 45 MPH ABOVE TIMBERLINE...WITH LIGHTER WINDS OF 15 TO 25 MPH IN THE FOOTHILLS. * IMPACTS...ROADS WILL BE ICY AND SNOW PACKED. ADEQUATE SNOW TIRES OR TIRE CHAINS WILL BE REQUIRED ON SOME HIGHWAYS. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES DUE TO BLOWING SNOW OVER THE HIGHER MOUNTAIN PASSES AS WELL. * OTHER IMPACTS...WIND CHILL READINGS WILL BE NEAR ZERO IN THE FOOTHILLS...WITH ZERO TO 20 BELOW ZERO READINGS IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE HAZARDOUS DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY EVENING. EXPOSED SKIN WILL BE SUBJECT TO FROSTBITE SO PREPARE FOR THE COLD CONDITIONS BY DRESSING WARMLY IN SEVERAL LAYERS OF CLOTHING. && $$ GIMMESTAD
585 WWUS45 KBOU 011906 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1206 PM MST THU DEC 1 2011 ...SNOW DIMINISHING DURING THE REST OF THE DAY... .THE HEAVIEST SNOW HAS NOW SHIFTED WEST AND SOUTH OF DENVER...WHILE SNOW HAS STOPPED FURTHER NORTH NEAR THE WYOMING BORDER AND NORTHERN MOUNTAINS. THIS TREND WILL CONTINUE THROUGH THE REST OF THE AFTERNOON. COZ046-012015- /O.CAN.KBOU.WS.W.0015.000000T0000Z-111202T0000Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- INCLUDING THE CITIES OF...AGATE...HUGO...LIMON...MATHESON 1206 PM MST THU DEC 1 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. ONLY LIGHT SNOW IS EXPECTED FOR THE REST OF THIS AFTERNOON...WITH ADDITIONAL ACCUMULATIONS UP TO 2 INCHES. $$ COZ038-042-047>049-012015- /O.CAN.KBOU.WW.Y.0045.000000T0000Z-111201T2100Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS 1206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW OR FLURRIES WILL END THIS AFTERNOON WITH ANY ADDITIONAL ACCUMULATIONS UNDER AN INCH. $$ COZ030-031-033>035-012015- /O.CAN.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ JACKSON COUNTY BELOW 9000 FEET- 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-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...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...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES 1206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. SOME LIGHT SNOW WILL CONTINUE ON HIGHER EAST SLOPES WITH ANY ADDITIONAL ACCUMULATIONS OF AN INCH OR LESS. $$ COZ041-045-020000- /O.CON.KBOU.WS.W.0015.000000T0000Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER 1206 PM MST THU DEC 1 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TODAY AND MAY BE HEAVY AT TIMES THIS MORNING. THE SNOW WILL DECREASE LATE THIS AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES...WITH THE HEAVIEST AMOUNTS IN SOUTHERN DOUGLAS AND ELBERT COUNTIES. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH. * MAIN IMPACTS...EXPECT VERY POOR VISIBILITIES AT TIMES WITH CONSIDERABLE BLOWING AND DRIFTING SNOW. ROADS WILL BECOME ICY AND SNOW PACKED. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BECOME DIFFICULT THIS MORNING DUE TO THE SLICK ROADS AND LOW VISIBILITIES. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE LATE TODAY. IF YOU MUST TRAVEL...KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ039-040-020000- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ 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- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 1206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL DIMINISH DURING THE AFTERNOON. * ACCUMULATION/WIND...3 TO 7 INCHES CAN BE EXPECTED...WITH THE HIGHEST AMOUNTS IN THE WESTERN SUBURBS. NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH EAST OF INTERSTATE 25. * MAIN IMPACT...ROADS WILL BE ICY AND SNOW PACKED IN SPOTS. VISIBILITIES WILL BE REDUCED AT TIMES MAINLY EAST OF INTERSTATE 25 WHERE WINDS WILL BE STRONGEST. * OTHER IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS SHOULD ALLOW FOR EXTRA TIME FOR THEIR TRAVEL TODAY. BE ALERT FOR VARIABLE ROAD CONDITIONS AS THE ROADS MAY BE ICY IN SOME AREAS AND NOT OTHERS. && $$ COZ043-044-012100- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111201T2100Z/ CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- INCLUDING THE CITIES OF...EATON...FORT LUPTON...GREELEY... ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS 1206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 2 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE THROUGH EARLY AFTERNOON...THEN DECREASE. * ACCUMULATION/WIND...ADDITIONAL ACCUMULATIONS UP TO 2 INCHES. NORTH WINDS OF 15 TO 30 MPH. * MAIN IMPACT...ROADS WILL BE ICY AND SNOWPACKED IN SPOTS. VISIBILITIES MAY BE SIGNIFICANTLY REDUCED BY BLOWING SNOW ESPECIALLY IN OPEN AREAS. * OTHER IMPACTS...WIND CHILLS WILL BE NEAR ZERO. PRECAUTIONARY/PREPAREDNESS ACTIONS... ROADS WILL BE ICY AND SNOWPACKED WITH HAZARDOUS TRAVEL CONDITIONS. IF TRAVELING ALLOW EXTRA TIME TO REACH YOUR DESTINATION. BE ALERT TO CHANGING ROAD CONDITIONS. && $$ COZ036-037-020000- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 1206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TODAY...WITH THE HEAVIEST SNOW IN THE MORNING. * ACCUMULATION/WIND...ACCUMULATIONS OF 5 TO 11 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON...WITH THE HEAVIEST AMOUNTS ON THE EAST SLOPES OF THE MOUNTAINS. * IMPACTS...ROADS WILL BE ICY AND SNOW PACKED. ADEQUATE SNOW TIRES OR TIRE CHAINS WILL BE REQUIRED ON SOME HIGHWAYS. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES DUE TO BLOWING SNOW OVER THE HIGHER MOUNTAIN PASSES AS WELL. * OTHER IMPACTS...WIND CHILL READINGS WILL BE NEAR ZERO IN THE FOOTHILLS...WITH ZERO TO 20 BELOW ZERO READINGS IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE HAZARDOUS DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY EVENING. EXPOSED SKIN WILL BE SUBJECT TO FROSTBITE SO PREPARE FOR THE COLD CONDITIONS BY DRESSING WARMLY IN SEVERAL LAYERS OF CLOTHING. && $$
798 WWUS45 KBOU 012106 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 206 PM MST THU DEC 1 2011 ...SNOWFALL ON THE DECREASE THE REST OF THIS AFTERNOON... .THE HEAVIEST SNOW HAS NOW SHIFTED SOUTH AND SOUTHWEST OF DENVER...WHILE SNOW HAS STOPPED FARTHER NORTH NEAR THE WYOMING BORDER AND NORTHERN MOUNTAINS. THIS TREND WILL CONTINUE THROUGH THE REST OF THE AFTERNOON. COZ043-044-012215- /O.EXP.KBOU.WW.Y.0045.000000T0000Z-111201T2100Z/ CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- INCLUDING THE CITIES OF...EATON...FORT LUPTON...GREELEY... ROGGEN...BRUSH...FORT MORGAN...GOODRICH...WIGGINS 206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 2 PM MST THIS AFTERNOON... THE WINTER WEATHER ADVISORY FOR SOUTHERN WELD AND MORGAN COUNTIES IN NORTHEAST COLORADO WILL EXPIRE AT 2 PM MST THIS AFTERNOON. SNOWFALL WAS COMING TO AN END IN THESE AREAS AND THEREFORE NO ADDITIONAL ACCUMULATION IS ANTICIPATED. $$ COZ041-045-020000- /O.CON.KBOU.WS.W.0015.000000T0000Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER 206 PM MST THU DEC 1 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE...BUT SHOULD DECREASE LATE THIS AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES... WITH THE GREATEST AMOUNTS IN SOUTHERN DOUGLAS AND ELBERT COUNTIES. NORTH TO NORTHEAST WINDS OF 20 TO 35 MPH WILL ALSO GRADUALLY DECREASE LATER THIS AFTERNOON. * MAIN IMPACTS...EXPECT POOR VISIBILITIES AT TIMES DUE TO BLOWING AND DRIFTING SNOW. ALSO EXPECT ICY AND SNOW PACKED ROADS. * OTHER IMPACTS...ANTICIPATE WIND CHILLS IN THE 5 TO 10 DEGREE RANGE FOR THE REST OF THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL REMAIN DIFFICULT FOR THE NEXT FEW HOURS DUE TO THE SLICK ROADS AND LOW VISIBILITIES. IF YOU MUST TRAVEL... PARTICULARLY IN RURAL AREAS...BE SURE TO KEEP FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ039-040-020000- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOWFALL WILL CONTINUE TO DIMINISH THIS AFTERNOON. * ACCUMULATION/WIND...TOTAL AMOUNTS IN THE 4 TO 7 INCHES BY LATE THIS AFTERNOON...WITH LOCALLY HIGHER AMOUNTS IN THE WESTERN SUBURBS. NORTH TO NORTHEAST WINDS OF 15 TO 25 MPH WILL CONTINUE MAINLY IN AREAS EAST OF INTERSTATE 25. * MAIN IMPACT...EXPECT ROADS TO BE ICY AND SLUSHY IN SPOTS. VISIBILITIES MAY BE BRIEFLY REDUCED DUE TO BLOWING SNOW... PARTICULARLY IN OPEN AREAS EAST OF INTERSTATE 25. * OTHER IMPACTS...WIND CHILLS WILL BE IN THE SINGLE DIGITS. PRECAUTIONARY/PREPAREDNESS ACTIONS... DRIVERS SHOULD ALLOW FOR EXTRA TIME FOR THEIR TRAVEL TODAY. BE ALERT FOR VARIABLE ROAD CONDITIONS AS THE ROADS MAY BE ICY IN SOME AREAS AND NOT OTHERS. && $$ COZ036-037-020000- /O.CON.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 206 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE TODAY...WITH GRADUAL DECREASE LATER THIS AFTERNOON. * ACCUMULATION/WIND...TOTAL ACCUMULATIONS OF 5 TO 11 INCHES CAN BE EXPECTED BY LATE THIS AFTERNOON...WITH THE HEAVIEST AMOUNTS ON THE EAST SLOPES OF THE FRONT RANGE. * IMPACTS...ROADS WILL BE ICY AND SNOW PACKED. ADEQUATE SNOW TIRES OR TIRE CHAINS WILL BE REQUIRED ON SOME HIGHWAYS. VISIBILITIES WILL BE SIGNIFICANTLY REDUCED AT TIMES DUE TO BLOWING SNOW OVER THE HIGHER MOUNTAIN PASSES AS WELL. * OTHER IMPACTS...WIND CHILL READINGS WILL BE NEAR ZERO IN THE FOOTHILLS...WITH ZERO TO 10 BELOW ZERO READINGS IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE DIFFICULT DUE TO SNOW AND BLOWING SNOW. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE THURSDAY EVENING. EXPOSED SKIN WILL BE SUBJECT TO FROSTBITE SO PREPARE FOR THE COLD CONDITIONS BY DRESSING WARMLY IN SEVERAL LAYERS OF CLOTHING. && $$ BAKER
697 WWUS45 KBOU 012125 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 225 PM MST THU DEC 1 2011 COZ041-045-012230- /O.CAN.KBOU.WS.W.0015.000000T0000Z-111202T0000Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- INCLUDING THE CITIES OF...CASTLE ROCK...ELBERT...KIOWA... LARKSPUR...SIMLA...BENNETT...BYERS...DEER TRAIL...LEADER 225 PM MST THU DEC 1 2011 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. LIGHT SNOW WILL DIMINISH BY LATER THIS EVENING. ANY ADDITIONAL ACCUMULATIONS WILL BE UNDER AN INCH. $$ COZ036-037-039-040-012230- /O.CAN.KBOU.WW.Y.0045.000000T0000Z-111202T0000Z/ JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK 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- INCLUDING THE CITIES OF...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK...ARVADA...BOULDER...GOLDEN...LAKEWOOD... LONGMONT...AURORA...BRIGHTON...CITY OF DENVER... DENVER INTERNATIONAL AIRPORT...HIGHLANDS RANCH...LITTLETON... PARKER 225 PM MST THU DEC 1 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. LIGHT SNOW WILL DIMINISH BY LATER THIS AFTERNOON AND EARLY EVENING. ANY ADDITIONAL ACCUMULATIONS WILL BE UNDER AN INCH. $$
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 Nov 30, 4:29 AM MST, 1 hour 6 minutes earlier.
Area forecast discussion, Nov 30, 4:29 AM MST, 1 hour 6 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 429 AM MST WED NOV 30 2011 .SHORT TERM...ANTICIPATED MOUNTAIN WAVE HAS BEEN FEEBLE SO FAR THIS MORNING. SOME WIND NEAR THE WYOMING BORDER AND IN THE USUAL WAVE HOT SPOTS...BUT SPEEDS ARE FAIRLY TAME. THE DIRECTION IS PROBABLY MORE SOUTHERLY THAN OPTIMAL. STILL SOME PROSPECT FOR STRONGER WINDS THIS MORNING...BUT THE INVERSION WILL BE WEAKENING WITH MORE SHEAR AND SOME DECREASE IN THE LOW LEVEL WINDS BY MIDDAY. WITH CYCLOGENESIS OVER EASTERN COLORADO EXPECT FAIRLY LIGHT WINDS ON THE PLAINS TODAY...TRENDING TOWARD THE EAST TO NORTHEAST THIS AFTERNOON. MILD FORECAST TEMPERATURES LOOK ON TRACK AS COOLING ALOFT BEGINNING THIS AFTERNOON SHOULD NOT HAVE MUCH EFFECT. THE COLD FRONT WILL MOVE THROUGH THIS EVENING WITH A SHARP TEMPERATURE DROP AND LIFT OVER THE FRONT ADDING TO THE BROADER FORCING TO GENERATE PRECIPITATION WITHIN A COUPLE OF HOURS. I TRIED TO FINE TUNE THE TIMING WITH POPS MAINLY NORTH OF DENVER IN THE EVENING...THEN SPREADING SOUTH. LATEST ROUND OF MODEL RUNS HAS COME IN A COUPLE OF HOURS SLOWER THAN THE PREVIOUS FORECAST...INDICATING THAT IT MAY BE NEAR MORNING BEFORE THE SNOW GETS TO HOLYOKE AND LIMON. HESITANT TO CHANGE TOO MUCH AS FRONTS TYPICALLY RUSH THROUGH FASTER THAN THAT AND I DO NOT SEE MUCH TO HOLD THE FRONT BACK. OVERALL MADE FEW CHANGES TO THE FORECAST. GREATER CONFIDENCE WITH CONTINUED STABLE MODEL RUNS...BUT THE CONSENSUS IS NEAR OUR WARNING THRESHOLDS FOR HEAVY SNOW NEAR THE MOUNTAINS AND POSSIBLE BLIZZARD CONDITIONS ON THE PLAINS. BOTTOM LINE IS THAT THINGS WILL BECOME QUITE WINTRY IN THE PRE DAWN HOURS OF THURSDAY. SEE BELOW FOR MORE ON OUR HIGHLIGHTS. .LONG TERM...WINTER STORM WILL BE GOING FULL BORE AT 12Z THURSDAY WITH MODERATE QG ASCENT OVERHEAD AND STRONG UPSLOPE AT THE SURFACE. AS THE UPPER LOW DROPS TO THE SOUTH-SOUTHWEST LARGE SCALE LIFT GRADUALLY WEAKENS AND CHANGES OVER TO WEAK SUBSIDENCE. THE MODELS ARE REMARKABLY SIMILAR REGARDING THESE SYNOPTIC SCALE FEATURES EARLY IN THE PERIOD. THIS LARGE SCALE EVOLUTION PROVIDES THE STAGE FOR THE MESOSCALE DETAILS...SOME OF WHICH ARE SHOWN NICELY IN THE FORECAST RADAR IMAGERY. THESE FIELDS HAVE THE STRONGEST REFLECTIVITY IN THE MORNING HOURS...DECREASING DURING THE AFTERNOON FROM NORTH TO SOUTH WHICH IS QUITE TYPICAL OF SITUATIONS LIKE THIS. PLAINS WINDS WILL BE ON THE DECREASE DURING THE AFTERNOON AND MAY ACQUIRE A WEAK DOWNSLOPE COMPONENT WHICH WILL AID IN THE DECREASE OF PRECIPITATION. PRIOR TO THAT THEY WILL BE SUFFICIENT TO BLOW AND DRIFT THE SNOW AROUND...ESPECIALLY IN AREAS FARTHER AWAY FROM THE MOUNTAINS. SOUTHERN FOOTHILLS AND PALMER DIVIDE WILL BE THE LAST TO SEE THE SNOW END THURSDAY EVENING. SOMEWHAT ATYPICAL WITH THIS STORM IS THE POTENTIAL FOR A DOWNSLOPE WIND STORM WEST...YES THAT IS WEST...OF THE CONTINENTAL DIVIDE. THIS IS ALSO SHOWN NICELY IN THE MODEL DATA...ESPECIALLY THE NEW 4KM HIGH RESOLUTION WINDOW DATA. CROSS SECTIONS SHOW A MEAN STATE CRITICAL LAYER AS EARLY AS 09Z THURSDAY BUT THE MOUNTAIN WAVE DEVELOPMENT IS DELAYED A BIT UNTIL THE EAST SIDE UPSLOPE FLOW DEEPENS DURING THE MORNING HOURS THURSDAY. IF THIS PANS OUT THINGS IN EASTERN GRAND...PARK AND JACKSON COUNTIES COULD GET PRETTY DICEY...ESPECIALLY IF IT IS SNOWING. BLOWING SNOW AND/OR HIGH WIND TYPE HIGHLIGHTS MAY BE REQUIRED THERE FOR MUCH OF THURSDAY AS WELL. REGARDING THE PLAINS HIGHLIGHTS WILL GO AHEAD AND UPGRADE THE WATCH TO A WINTER STORM WARNING FOR ZONES 41/45/46/47 AND HOLD ONTO THE WATCH ELSEWHERE. STILL A BIT OF UNCERTAINTY IN THE SNOW AMOUNTS AT THIS POINT SO IT SEEMS PRUDENT TO NOT TIE THINGS DOWN JUST YET. AREAS CLOSER TO THE FOOTHILLS WILL PROBABLY SEE MORE SNOW BUT LESS WINDS WHILE FURTHER OUT ON THE PLAINS THE WINDS WILL BE THE BIGGER PROBLEM. UNFORTUNATELY BUT NOT SURPRISINGLY THE MODELS DIVERGE QUITE A BIT REGARDING THE MOVEMENT AND STRENGTH OF THE UPPER LOW AS THE WEEKEND APPROACHES. A VARIETY OF SOLUTIONS IS OFFERED...AGAIN AS IS TYPICAL WITH THESE SOUTHWEST U.S. LOWS. FRIDAY OUGHT TO BE QUIET BUT COLD WITH PRECIPITATION CHANCES PERHAPS PICKING UP AGAIN AT LEAST IN THE MOUNTAINS FRIDAY NIGHT WITH A CHANCE OF SNOW AT LOWER ELEVATIONS ON SATURDAY. THERE ARE HINTS OF ANOTHER TROUGH/SURFACE HIGH PRESSURE PUSH COMING OUR WAY IN THE NORTHWESTERLY STREAM LATE IN THE WEEKEND. THIS SCENARIO IS REFLECTED SUFFICIENTLY IN THE CURRENT FORECAST SO NO GIGANTIC CHANGES ARE ANTICIPATED. WE CAN SAY GOODBYE TO THE WARM WEATHER OF LATE AFTER TODAY AS TEMPERATURES WILL LIKELY BE BELOW NORMAL THROUGHOUT THE LONG TERM PERIOD. && .AVIATION...VFR CONDITIONS TODAY WITH LIGHT WINDS EXCEPT FOR OCCASIONAL WESTERLY GUSTS AROUND 20 KNOTS AT KBJC THIS MORNING. A COLD FRONT WILL PASS THROUGH DENVER AROUND 03Z WITH NORTH WINDS GUSTING TO 30 KNOTS BEHIND IT. SNOW WILL DEVELOP BETWEEN 06Z AND 08Z WITH IFR CONDITIONS LIKELY. CONDITIONS MAY APPROACH LANDING MINIMUMS DUE TO MODERATE SNOWFALL AND BLOWING AND DRIFTING SNOW DURING THE HEIGHT OF THE STORM LATE TONIGHT AND THURSDAY MORNING. CONDITIONS WILL IMPROVE BY EARLY THURSDAY AFTERNOON. BEST ESTIMATE OF STORM TOTAL SNOW AT KDEN IS 4-8 INCHES...WITH SLIGHTLY HEAVIER SNOW AT KAPA/KBJC. && .BOU WATCHES/WARNINGS/ADVISORIES... WINTER STORM WATCH FROM THIS EVENING THROUGH THURSDAY AFTERNOON FOR COZ038-042>044-048>051. WINTER STORM WATCH FROM THIS EVENING THROUGH THURSDAY AFTERNOON FOR COZ033>036-039-040. WINTER STORM WARNING FROM 11 PM THIS EVENING TO 5 PM MST THURSDAY FOR COZ041-045>047. && SHORT TERM...GIMMESTAD LONG TERM....ET AVIATION...GIMMESTAD
Hazardous weather outlook, Nov 29, 1:23 PM MST, 16 hours 12 minutes before
HAZARDOUS WEATHER OUTLOOK...CORRECTED NATIONAL WEATHER SERVICE DENVER CO 123 PM MST TUE NOV 29 2011 COZ030>051-301300- 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- 123 PM MST TUE NOV 29 2011 ...WINTER STORM WATCH IN EFFECT FOR MOST OF THE OUTLOOK AREA LATE WEDNESDAY AND THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT QUIET WEATHER IS EXPECTED TODAY WITH COOLER TEMPERATURES AFTER YESTERDAYS COLD FRONT. WEST WINDS WILL INCREASE OVER THE MOUNTAINS AND FOOTHILLS TONIGHT AS THE NEXT STORM APPROACHES. PEAK GUSTS IN THE HIGHER MOUNTAINS AND FOOTHILLS WILL BE IN THE 30 TO 50 MPH RANGE LATE TONIGHT AND EARLY WEDNESDAY. .DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY SNOWFALL IS EXPECTED TO DEVELOP ACROSS NORTHEAST AND NORTH CENTRAL COLORADO WEDNESDAY EVENING FOLLOWING THE PASSAGE OF A STRONG COLD FRONT AND AN ACCOMPANYING JET STREAM. OVERNIGHT SNOWFALL MAY BECOME HEAVY AT TIMES IN MOUNTAIN AREAS GENERALLY EAST OF THE CONTINENTAL DIVIDE AND ON THE PLAINS AND PALMER DIVIDE OF NORTHEAST COLORADO LATE WEDNESDAY NIGHT THROUGH THURSDAY MORNING. NORTH TO NORTHEAST WINDS OF 25 TO 35 MPH ON THE PLAINS WITH STRONGER GUSTS OVER THE PALMER DIVIDE MAY ALSO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW FOR MOST OF THURSDAY. AREAS EAST OF I-25 AND SOUTH OF I-70 MAY EVEN SEE NEAR WHITE-OUT CONDITIONS DURING THE MORNING AND EARLY AFTERNOON ON THURSDAY. TEMPERATURES WELL BELOW FREEZING AND THE STRONG NORTHERLY WINDS COULD PRODUCE DANGEROUS WIND CHILLS WELL BELOW ZERO. MOTORISTS SHOULD ANTICIPATE HAZARDOUS DRIVING CONDITIONS AND POSSIBLE ROAD CLOSURES PARTICULARLY ON THE HIGH PLAINS LARGELY DUE TO BLOWING AND DRIFTING SNOW. ROAD AND WEATHER CONDITIONS SHOULD IMPROVE THURSDAY NIGHT AND FRIDAY BEFORE THE NEXT STORM SYSTEM TAKES AIM ON THE OUTLOOK AREA FRIDAY AND SATURDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. MEIER/BAKER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 11:27 AM MST | Winter Weather Advisory | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 14 more | 27 hr |
Nearby
Winter Storm Warnings in Colorado, 2011Every winter storm warning in 2011
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.