Alert archive / Colorado / Winter Storm Warnings in 2009
Winter Storm Warning 6, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Mar 25, 2009, 11:47 AM MDT for 22 counties in Colorado. It took effect at Mar 25, 2009, 7:53 PM MDT. It was in force for 21 hr. 60 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Mar 25, 2009, 11:47 AM MDT (17:47 UTC)
- In effect from
- Mar 25, 2009, 7:53 PM MDT
- Expired
- Mar 26, 2009, 4:46 PM MDT
- In force
- 21 hr
- Issued by
- NWS Denver/Boulder, CO
All 22 counties
Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Lincoln County, CO, Logan County, CO, Morgan County, CO, Park County, CO, Phillips County, CO, Sedgwick County, CO, Summit County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 21 km from the middle of the area, began a volume at 17:45 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 |
|---|---|---|---|
| Mar 26, 8:00 AM MDT | SNOW 4.2 | Eldorado Springs, CO | |
| Mar 26, 8:00 AM MDT | SNOW 4.3 | Briggsdale, CO | |
| Mar 26, 8:10 AM MDT | SNOW 4 | N Longmont, CO | |
| Mar 26, 8:16 AM MDT | HEAVY SNOW 6 | Lafayette, CO | |
| Mar 26, 8:30 AM MDT | SNOW 2.7 | Se Windsor, CO | |
| Mar 26, 8:30 AM MDT | SNOW 4.5 | Arvada, CO | |
| Mar 26, 8:30 AM MDT | HEAVY SNOW 6.5 | 2 Se Boulder, CO | 3.5 INCHES LAST 90 MINUTES. |
| Mar 26, 8:30 AM MDT | HEAVY SNOW 7 | Boulder, CO | NWS OFFICE. |
| Mar 26, 8:35 AM MDT | HEAVY SNOW 5 | Lyons, CO | |
| Mar 26, 8:35 AM MDT | HEAVY SNOW 5.7 | 1 E Boulder, CO | 1.0 INCH LAST 35 MINUTES. |
| Mar 26, 8:50 AM MDT | SNOW 2 | 3 S Evergreen, CO | |
| Mar 26, 8:52 AM MDT | HEAVY SNOW 6 | Broomfield, CO | |
| Mar 26, 8:55 AM MDT | SNOW 5.3 | 1 Ene Westminster, CO | |
| Mar 26, 9:00 AM MDT | SNOW 4.5 | Frederick, CO | |
| Mar 26, 9:10 AM MDT | HEAVY SNOW 6 | Nne Lyons, CO | |
| Mar 26, 9:15 AM MDT | HEAVY SNOW 5 | 1 Ene Westminster, CO | 2 INCHES PER HOUR. |
| Mar 26, 9:16 AM MDT | SNOW 4 | 2 Ene Bergen Park, CO | CHIEF HOSA EXIT I-70. |
| Mar 26, 9:21 AM MDT | SNOW 3.4 | 2 Ene Broomfield, CO | |
| Mar 26, 9:27 AM MDT | SNOW 4 | 2 Sse Federal Heights, CO | |
| Mar 26, 9:30 AM MDT | SNOW 3.3 | 4 E Black Hawk, CO | |
| Mar 26, 9:30 AM MDT | SNOW 4.2 | 1 Ese Fort Collins, CO | |
| Mar 26, 9:30 AM MDT | HEAVY SNOW 8.5 | Boulder, CO | |
| Mar 26, 9:31 AM MDT | HEAVY SNOW 5.5 | S Longmont, CO | 1.5 INCHES PER HOUR. |
| Mar 26, 9:41 AM MDT | HEAVY SNOW 6 | 4 Ene Nederland, CO | 2 INCHES PER HOUR. |
| Mar 26, 9:52 AM MDT | SNOW 4 | 4 E Fort Collins, CO | VISIBILITY 1/8 MILE. |
| Mar 26, 9:59 AM MDT | HEAVY SNOW 5.8 | 3 S Evergreen, CO | 2 INCHES PER HOUR. |
| Mar 26, 10:00 AM MDT | HEAVY SNOW 5.3 | 5 Ssw Mead, CO | 3.9 INCHES LAST 90 MINUTES. |
| Mar 26, 10:00 AM MDT | HEAVY SNOW 6.5 | N Longmont, CO | |
| Mar 26, 10:00 AM MDT | HEAVY SNOW 10 | 2 Se Boulder, CO | 7.0 INCHES LAST 3 HOURS. |
| Mar 26, 10:01 AM MDT | HEAVY SNOW 5 | 3 Sw Conifer, CO | 3.0 INCHES LAST 90 MINUTES. |
| Mar 26, 10:01 AM MDT | HEAVY SNOW 7.2 | Broomfield, CO | 5.7 INCHES LAST HOURS. |
| Mar 26, 10:03 AM MDT | HEAVY SNOW 5.5 | 3 W Greeley, CO | 2.3 INCHES LAST 90 MINUTES. |
| Mar 26, 10:07 AM MDT | SNOW 4.8 | 3 Sse Golden, CO | |
| Mar 26, 10:11 AM MDT | SNOW 5 | 1 Nw Loveland, CO | VISIBILITY 1/4 MILE. WINDY. |
| Mar 26, 10:26 AM MDT | SNOW 4.6 | Broomfield, CO | |
| Mar 26, 10:35 AM MDT | SNOW 5.8 | 4 S Evergreen, CO | |
| Mar 26, 10:40 AM MDT | HEAVY SNOW 8.7 | 2 Nw Westminster, CO | 1.8 LAST HOUR. 7.4 LAST 3 HOURS. |
| Mar 26, 10:45 AM MDT | HEAVY SNOW 3 | Denver, CO | |
| Mar 26, 10:45 AM MDT | HEAVY SNOW 8.6 | 3 S Boulder, CO | |
| Mar 26, 10:55 AM MDT | HEAVY SNOW 9 | 1 Nnw Federal Heights, CO | |
| Mar 26, 10:56 AM MDT | HEAVY SNOW 6.9 | 1 Nnw Evergreen, CO | |
| Mar 26, 11:00 AM MDT | HEAVY SNOW 8 | S Longmont, CO | WINDS ARE HOWLING. |
| Mar 26, 11:00 AM MDT | HEAVY SNOW 8.3 | 3 S Evergreen, CO | 2.5 LAST HOUR. |
| Mar 26, 11:00 AM MDT | HEAVY SNOW 9.9 | 3 Nw Golden, CO | |
| Mar 26, 11:00 AM MDT | HEAVY SNOW 10 | 1 Ne Broomfield, CO | |
| Mar 26, 11:13 AM MDT | HEAVY SNOW 10 | Arvada, CO | |
| Mar 26, 11:17 AM MDT | HEAVY SNOW 9 | Genesee, CO | 2.2 LAST HOUR. |
| Mar 26, 11:17 AM MDT | HEAVY SNOW 10.7 | Niwot, CO | |
| Mar 26, 11:22 AM MDT | HEAVY SNOW 9 | Westminster, CO | VISIBILITY LESS THAN 1/8 MILE. |
| Mar 26, 11:30 AM MDT | HEAVY SNOW 9 | Sw Erie, CO | ZERO VISIBILITY. WINDS UP TO 50 MPH WITH 2 FOOT DRIFTS. |
| Mar 26, 11:30 AM MDT | BLIZZARD | Sw Erie, CO | ZERO VISIBILITY. WINDS UP TO 50 MPH WITH 2 FOOT DRIFTS. |
| Mar 26, 11:32 AM MDT | HEAVY SNOW 11 | Arvada, CO | GUSTY WINDS WITH VILIBILITY LESS THAN 1/4 MILE. |
| Mar 26, 11:33 AM MDT | HEAVY SNOW 8 | W Greeley, CO | DRIFTS TO 3 FEET. |
| Mar 26, 11:40 AM MDT | HEAVY SNOW 6.5 | 8 N Black Hawk, CO | |
| Mar 26, 11:46 AM MDT | HEAVY SNOW 5 | Littleton, CO | 1 INCH PER HOUR FOR LAST 3 HOURS. |
| Mar 26, 11:53 AM MDT | HEAVY SNOW 9 | Lafayette, CO | DRIFTS TO 2 FEET. |
| Mar 26, 11:55 AM MDT | HEAVY SNOW 11 | 4 Ene Nederland, CO | |
| Mar 26, 12:00 PM MDT | SNOW 2.5 | Castle Rock, CO | |
| Mar 26, 12:00 PM MDT | HEAVY SNOW 3.5 | 3 Nne Bailey, CO | |
| Mar 26, 12:00 PM MDT | SNOW 5.4 | 4 E Fort Collins, 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, 5.8 hours before the alert went out and 120 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
- 1031 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 39 m²/s²
- 0-3 km storm-relative helicity
- 62 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KBOU 251747 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1147 AM MDT WED MAR 25 2009 ...POWERFUL STORM ON THE WAY FOR NORTH CENTRAL AND NORTHEAST COLORADO LATE TONIGHT THROUGH EARLY FRIDAY MORNING... A POTENT WINTER-LIKE STORM SYSTEM IS EXPECTED TO MOVE OUT OF THE FOUR CORNERS AREA AND ACROSS COLORADO ON THURSDAY. STRONG AND MOIST FLOW AROUND THE CENTER OF THIS STORM SYSTEM TRACKING ACROSS SOUTHERN COLORADO WILL LIKELY PRODUCE MODERATE TO HEAVY SNOWFALL AND STRONG NORTH TO NORTHEAST WINDS FROM THE FRONT RANGE EAST ACROSS THE NORTHEAST PLAINS OF COLORADO THURSDAY THROUGH EARLY FRIDAY MORNING. THE MOUNTAINS OF NORTH CENTRAL COLORADO WILL LIKELY SEE PERIODS OF MODERATE TO HEAVY SNOWFALL BEGINNING LATE THIS EVENING WITH SEVERAL INCHES OF ACCUMULATION BY MORNING. STRONG WINDS WILL ALSO PRODUCE BLOWING AND DRIFTING SNOW...WITH NEAR BLIZZARD CONDITIONS POSSIBLE ON THE HIGH MOUNTAIN PASSES AND OVER THE PALMER DIVIDE. PORTIONS OF NORTHEAST COLORADO...INCLUDING THE CITIES AND TOWNS OF FORT COLLINS...GREELEY...FORT MORGAN...AKRON...STERLING AND JULESBURG HAVE BEEN INCLUDED IN THIS WARNING. PEOPLE PLANNING TRAVEL IN THE MOUNTAINS...FRONT RANGE FOOTHILLS... THE INTERSTATE 25 CORRIDOR AND THE HIGH PLAINS OF NORTH CENTRAL AND NORTHEAST COLORADO SHOULD SHOULD STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS MEDIA FOR THE LATEST INFORMATION AND WEATHER UPDATES ON THIS POTENT WINTER-LIKE STORM SYSTEM. COZ031-033-034-260000- /O.UPG.KBOU.WS.A.0004.090326T0600Z-090327T1200Z/ /O.NEW.KBOU.WS.W.0006.090326T0600Z-090327T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK 1147 AM MDT WED MAR 25 2009 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOWFALL AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SCATTERED SNOW SHOWERS THIS EVENING IN THE MOUNTAINS WILL BECOME WIDESPREAD AND HEAVY AT TIMES AFTER MIDNIGHT. SOUTHWEST WINDS OF 25 TO 35 MPH AND GUSTS TO 50 MPH WILL ALSO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW...ESPECIALLY ON THE HIGH PASSES THROUGH THURSDAY MORNING. LOOK FOR WINDS TO SHIFT TO NORTHEAST DURING THE DAY THURSDAY WHICH WILL PRODUCE HEAVY SNOWFALL ON EAST FACING MOUNTAIN SLOPES. SNOWFALL AMOUNTS BY LATE THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES ON WEST FACING MOUNTAIN SLOPES...AND FROM 10 TO 20 INCHES ON EAST FACING MOUNTAIN SLOPES. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ035>037-039>041-045>047-260000- /O.UPG.KBOU.WS.A.0004.090326T1200Z-090327T1200Z/ /O.NEW.KBOU.WS.W.0006.090326T1200Z-090327T1200Z/ 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- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- CENTRAL AND 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...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE...ARVADA...BOULDER...LAKEWOOD...LONGMONT... AURORA...CASTLE ROCK...BENNETT...BYERS...DEER TRAIL...HUGO... LIMON...FORDER...KARVAL...KUTCH...PUNKIN CENTER 1147 AM MDT WED MAR 25 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND CONSIDERABLE BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOWFALL WILL BEGIN IN AND NEAR THE FRONT RANGE FOOTHILLS EARLY THURSDAY MORNING WHERE A FEW INCHES OF SNOW ACCUMULATION MAY OCCUR BY MID-MORNING. SNOWFALL WILL THEN SPREAD EAST ACROSS THE NORTHEAST PLAINS THROUGH THE REMAINDER OF THE MORNING FOLLOWING THE PASSAGE OF STRONG COLD FRONT. LOOK FOR MODERATE TO HEAVY SNOWFALL TO DEVELOP ALONG THE FRONT RANGE INCLUDING THE GREATER DENVER METRO AREA BY MIDDAY. EAST WINDS 10 TO 20 MPH WILL BECOME NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH AFTER THE PASSAGE OF THIS FRONT. THE STRONG WINDS WILL LIKELY PRODUCE AREAS OF BLOWING AND DRIFTING SNOW DURING THE AFTERNOON AND EVENING...WITH NEAR WHITEOUT CONDITIONS POSSIBLE ON THE PALMER DIVIDE SOUTH OF DENVER. TOTAL SNOW ACCUMULATIONS BY LATER THURSDAY NIGHT WILL RANGE FROM 8 TO 15 INCHES IN THE I-25 URBAN CORRIDOR AND ACROSS SOUTH PARK...AND FROM 1 TO 2 FEET IN THE FRONT RANGE FOOTHILLS AND OVER THE PALMER DIVIDE. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ038-042>044-048>051-260000- /O.NEW.KBOU.WS.W.0006.090326T1200Z-090327T1200Z/ 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...FORT COLLINS...LOVELAND...GROVER...RAYMER...GREELEY... BRUSH...FORT MORGAN...STERLING...AKRON...OTIS...JULESBURG... HAXTUN...HOLYOKE 1147 AM MDT WED MAR 25 2009 ...WINTER STORM WARNING IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY. SNOWFALL WILL BEGIN IN AND NEAR THE FRONT RANGE EARLY THURSDAY MORNING THEN SPREAD EAST ACROSS THE NORTHEAST PLAINS THROUGH THE REMAINDER OF THE MORNING FOLLOWING THE PASSAGE OF STRONG COLD FRONT. LOOK FOR MODERATE TO HEAVY SNOWFALL TO DEVELOP BY LATE ON THURSDAY MORNING. EAST WINDS 10 TO 20 MPH WILL BECOME NORTH TO NORTHEAST 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH BY THE AFTERNOON...WHICH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW DURING THE AFTERNOON AND EVENING. TOTAL SNOW ACCUMULATIONS BY LATER THURSDAY NIGHT WILL RANGE FROM 4 TO 10 INCHES ON THE NORTHEAST PLAINS AND OVER NORTHERN PORTIONS OF THE I-25 URBAN CORRIDOR INCLUDING FORT COLLINS. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ BAKER
7 follow-up statements
000 WWUS45 KBOU 252247 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 447 PM MDT WED MAR 25 2009 ...POWERFUL WINTER-LIKE STORM ON THE WAY FOR NORTH CENTRAL AND NORTHEAST COLORADO... A POTENT STORM SYSTEM ORGANIZING OVER THE GREAT BASIN LATE WEDNESDAY AFTERNOON WILL TRACK ACROSS THE FOUR CORNERS REGION OVERNIGHT AND THEN EAST ACROSS SOUTHEAST COLORADO ON THURSDAY. STRONG CIRCULATION AROUND THIS STORM SYSTEM WILL LIKELY PRODUCE MODERATE TO HEAVY SNOWFALL FROM THE FRONT RANGE EAST TO THE KANSAS BORDER. IN ADDITION...THE PLAINS SHOULD SEE STRONG AND GUSTY NORTHEAST WINDS DEVELOPING THURSDAY MORNING FOLLOWING THE PASSAGE OF STRONG COLD FRONT. THE HIGH MOUNTAIN PASSES AND PALMER DIVIDE AREA MAY SEE NEAR BLIZZARD CONDITIONS DURING THE AFTERNOON AND EVENING HOURS. PEOPLE PLANNING TRAVEL IN THE MOUNTAINS...AND ACROSS THE PLAINS OF NORTH CENTRAL AND NORTHEAST COLORADO SHOULD STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS MEDIA FOR THE LATEST INFORMATION AND WEATHER UPDATES ON THIS POTENT WINTER-LIKE STORM SYSTEM. COZ031-033-034-260500- /O.CON.KBOU.WS.W.0006.090326T0600Z-090327T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK 447 PM MDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM MDT FRIDAY. SNOW HEAVY AT TIMES AFTER MIDNIGHT WITH SOUTHWEST 25 TO 45 MPH OVERNIGHT PRODUCING AREAS OF BLOWING AND DRIFTING SNOW. WINDS SHIFT AND BECOME NORTHEAST ON THURSDAY WITH GUSTS TO AROUND 50 MPH PRODUCING NEAR WHITEOUT CONDITIONS ON THE HIGH MOUNTAIN PASSES. TOTAL SNOW ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED BY LATE THURSDAY NIGHT...WITH THE HIGHER AMOUNTS ON EAST FACING MOUNTAIN SLOPES. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ035>051-260500- /O.CON.KBOU.WS.W.0006.090326T1200Z-090327T1200Z/ 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- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE...FORT COLLINS...LOVELAND...ARVADA... BOULDER...LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GROVER... RAYMER...GREELEY...BRUSH...FORT MORGAN...BENNETT...BYERS... DEER TRAIL...HUGO...LIMON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...STERLING...AKRON...OTIS...JULESBURG...HAXTUN... HOLYOKE 447 PM MDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY. SNOW WILL BEGIN IN THE FRONT RANGE FOOTHILLS DURING THE PRE-DAWN HOURS ON THURSDAY...THEN SPREAD ONTO THE PLAINS THURSDAY MORNING. SNOWFALL IS EXPECTED TO BECOME WIDESPREAD AND INCREASE IN INTENSITY FOLLOWING THE PASSAGE OF A STRONG COLD FRONT DURING THE MORNING. SNOWFALL WILL LIKELY BECOME HEAVY AT TIMES BY LATE MORNING AND CONTINUE THROUGH THE EVENING HOURS. IN ADDITION... NORTH TO NORTHEAST 20 TO 30 MPH AND GUSTS TO AROUND 45 MPH MAY ALSO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW...WITH NEAR WHITEOUT CONDITIONS POSSIBLE ON THE PALMER DIVIDE SOUTH OF DENVER. TOTAL SNOW ACCUMULATIONS BY LATER THURSDAY NIGHT WILL RANGE FROM 8 TO 16 INCHES IN THE I-25 URBAN CORRIDOR AND ACROSS SOUTH PARK...AND FROM 1 TO 2 FEET IN THE FRONT RANGE FOOTHILLS AND OVER THE PALMER DIVIDE. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ030-032-260500- /O.NEW.KBOU.WW.Y.0015.090326T0600Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING 447 PM MDT WED MAR 25 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT THURSDAY NIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MDT THURSDAY NIGHT. SNOW WILL BECOME LIKELY OVERNIGHT IN THE HIGH MOUNTAIN VALLEYS IN GRAND AND JACKSON COUNTIES IN NORTH CENTRAL COLORADO. THE SNOW WILL BE ACCOMPANIED BY AREAS OF BLOWING AND DRIFTING SNOW AS WINDS INCREASE TOWARD DAWN. THESE CONDITIONS ARE EXPECTED TO CONTINUE THROUGH THURSDAY EVENING. TOTAL SNOW ACCUMULATION BY MIDNIGHT THURSDAY WILL RANGE FROM 6 TO 12 INCHES. A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BAKER
000 WWUS45 KBOU 260153 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 753 PM MDT WED MAR 25 2009 ...POWERFUL WINTER STORM ON THE WAY FOR NORTH CENTRAL AND NORTHEAST COLORADO... A POTENT STORM SYSTEM ORGANIZING OVER THE GREAT BASIN TONIGHT WILL TRACK ACROSS THE FOUR CORNERS REGION THURSDAY AND INTO NORTHEAST NEW MEXICO THURSDAY NIGHT. HEAVY SNOW WAS ALREADY DEVELOPING THIS EVENING IN THE MOUNTAINS...AND STRONG CIRCULATION AROUND THIS STORM SYSTEM WILL BRING HEAVY SNOWFALL DOWN INTO THE FRONT RANGE FOOTHILLS AND ACROSS MOST OF THE PLAINS OF NORTHEAST COLORADO THURSDAY INTO THURSDAY NIGHT. IN ADDITION...THE PLAINS WILL SEE STRONG AND GUSTY NORTHEAST WINDS DEVELOPING THURSDAY MORNING FOLLOWING THE PASSAGE OF STRONG COLD FRONT. THE HIGH MOUNTAIN PASSES AND PALMER DIVIDE AREA MAY SEE NEAR BLIZZARD CONDITIONS DURING THE AFTERNOON AND EVENING HOURS. PEOPLE PLANNING TRAVEL IN THE MOUNTAINS...AND ACROSS THE PLAINS OF NORTH CENTRAL AND NORTHEAST COLORADO SHOULD STAY TUNED TO THE NATIONAL WEATHER SERVICE OR YOUR LOCAL NEWS MEDIA FOR THE LATEST INFORMATION AND WEATHER UPDATES ON THIS POTENT WINTER-LIKE STORM SYSTEM. COZ031-033-034-261200- /O.EXT.KBOU.WS.W.0006.090326T0153Z-090327T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK 753 PM MDT WED MAR 25 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM MDT FRIDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW WILL BE HEAVY AT TIMES THROUGH THURSDAY NIGHT. THE HEAVIEST SNOW IS EXPECTED TO SHIFT FROM SUMMIT COUNTY AND AREAS ALONG AND WEST OF THE CONTINENTAL DIVIDE TONIGHT...TO AREAS ALONG AND EAST OF THE FRONT RANGE MOUNTAINS THURSDAY. WINDS WILL BE SHIFTING AROUND TO THE NORTHEAST ON THURSDAY WITH GUSTS IN EXCESS OF 40 MPH ABOVE TIMBERLINE PRODUCING WHITEOUT CONDITIONS ON THE HIGHER MOUNTAIN PASSES. SNOWFALL RATES OF ONE TO TWO INCHES PER HOUR WILL ALSO REDUCE VISIBILITIES TO LESS THAN A QUARTER MILE AT TIMES. TOTAL SNOW ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED BY LATE THURSDAY NIGHT...WITH THE HIGHER AMOUNTS ON EAST FACING MOUNTAIN SLOPES. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ035>051-261200- /O.CON.KBOU.WS.W.0006.090326T1200Z-090327T1200Z/ 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- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE...FORT COLLINS...LOVELAND...ARVADA... BOULDER...LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GROVER... RAYMER...GREELEY...BRUSH...FORT MORGAN...BENNETT...BYERS... DEER TRAIL...HUGO...LIMON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...STERLING...AKRON...OTIS...JULESBURG...HAXTUN... HOLYOKE 753 PM MDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THURSDAY TO 6 AM MDT FRIDAY. SNOW WILL DEVELOP IN THE FRONT RANGE FOOTHILLS TONIGHT...AND ACROSS THE PLAINS LATE TONIGHT INTO EARLY THURSDAY MORNING. SNOWFALL IS THEN EXPECTED TO BECOME WIDESPREAD AND HEAVY AT TIMES FOLLOWING THE PASSAGE OF A STRONG COLD FRONT EARLY THURSDAY MORNING. AT THIS TIME...THE HEAVIEST SNOW IS EXPECTED TO OCCUR FROM MID MORNING THROUGH THE MID EVENING HOURS THURSDAY. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 45 MPH MAY ALSO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW...WITH NEAR WHITEOUT CONDITIONS POSSIBLE ON THE PALMER DIVIDE SOUTH OF DENVER. TOTAL SNOW ACCUMULATIONS BY LATE THURSDAY NIGHT WILL RANGE FROM 8 TO 16 INCHES IN THE I-25 URBAN CORRIDOR AND ACROSS SOUTH PARK... AND FROM 1 TO 2 FEET IN THE FRONT RANGE FOOTHILLS AND OVER THE PALMER DIVIDE. OVER THE FAR NORTHEASTER PLAINS...SNOWFALL AMOUNTS ARE EXPECTED TO BE CLOSER TO 6 INCHES. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ030-032-261200- /O.EXT.KBOU.WW.Y.0015.090326T0153Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING 753 PM MDT WED MAR 25 2009 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL MIDNIGHT MDT THURSDAY NIGHT... THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL MIDNIGHT MDT THURSDAY NIGHT. SNOW SHOWERS...SOME HEAVY...WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK THROUGH THE TONIGHT AND THURSDAY. THE SNOW WILL BE ACCOMPANIED BY AREAS OF BLOWING AND DRIFTING SNOW AS WINDS INCREASE TOWARD DAWN. THESE CONDITIONS ARE EXPECTED TO CONTINUE INTO THURSDAY EVENING BEFORE DIMINISHING. TOTAL SNOW ACCUMULATION BY MIDNIGHT THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES. A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BARJENBRUCH
000 WWUS45 KBOU 260857 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 257 AM MDT THU MAR 26 2009 ...MAJOR WINTER STORM MOVING INTO NORTH CENTRAL AND NORTHEAST COLORADO... A LOW PRESSURE SYSTEM WILL STRENGTHEN AS IT MOVES FROM WESTERN WYOMING TO NORTHERN NEW MEXICO BY TONIGHT. SNOW WILL SPREAD FROM THE MOUNTAINS ACROSS THE PLAINS OF NORTHEASTERN COLORADO THIS MORNING AS THE LOW APPROACHES...AND A COLD FRONT WILL BRING COLDER AIR AND GUSTY NORTH WINDS AS WELL. BY MIDDAY MODERATE TO HEAVY SNOW WILL BE WIDESPREAD ALONG WITH WINDS GUSTING AS HIGH AS 45 MPH. THIS WILL CREATE BLIZZARD CONDITIONS ON THE PLAINS AS WELL AS WIND PRONE AREAS IN THE FOOTHILLS. CONDITIONS ARE EXPECTED TO BE WORST THIS AFTERNOON AND EVENING WHEN BOTH THE WINDS AND SNOWFALL WILL PEAK. CONDITIONS WILL IMPROVE THIS EVENING IN THE NORTHERN PART OF THE AREA...BUT BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST IN AREAS SOUTH OF INTERSTATE 70 MUCH OF THE NIGHT. SNOWFALL TOTALS BY FRIDAY MORNING WILL RANGE FROM AROUND 6 INCHES IN THE NORTHEAST CORNER OF THE STATE TO BETWEEN 8 AND 16 INCHES IN THE DENVER METRO AREA...WITH UP TO TWO FEET OF SNOW IN AREAS SOUTH AND WEST OF DENVER. THE SNOWFALL COMBINED WITH PROLONGED WINDS WILL CREATE SIGNIFICANT DRIFTING OF SNOW ON THE PLAINS. RESIDENTS OF NORTH CENTRAL AND NORTHEASTERN COLORADO SHOULD MAKE NECESSARY PREPARATIONS FOR THIS STORM EARLY THIS MORNING. IF TRAVEL CANNOT BE COMPLETED EARLY THIS MORNING...CONSIDER WAITING UNTIL CONDITIONS IMPROVE ON FRIDAY. ROAD CLOSURES ARE LIKELY LATER TODAY...AND TRAVEL WILL BE HAZARDOUS WHERE IT IS STILL POSSIBLE. COZ038>051-261500- /O.CAN.KBOU.WS.W.0006.090326T1200Z-090327T1200Z/ /O.NEW.KBOU.BZ.W.0001.090326T1200Z-090327T1200Z/ 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- INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER... LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GROVER...RAYMER... GREELEY...BRUSH...FORT MORGAN...BENNETT...BYERS...DEER TRAIL... HUGO...LIMON...FORDER...KARVAL...KUTCH...PUNKIN CENTER... STERLING...AKRON...OTIS...JULESBURG...HAXTUN...HOLYOKE 257 AM MDT THU MAR 26 2009 ...BLIZZARD WARNING IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT FRIDAY... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A BLIZZARD WARNING...WHICH IS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT FRIDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. SNOW WILL DEVELOP ACROSS NORTHEASTERN COLORADO THIS MORNING AND WILL BE HEAVY AT TIMES...ESPECIALLY THIS AFTERNOON AND EVENING. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH WILL PRODUCE BLIZZARD CONDITIONS AND CONSIDERABLE DRIFTING SNOW ON THE PLAINS BY AFTERNOON. THE WORST CONDITIONS ARE EXPECTED TO BE IN AREAS SOUTH OF A LINE FROM BOULDER TO AKRON. TOTAL SNOW ACCUMULATIONS BY LATE THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES ACROSS THE NORTHEAST PLAINS...WITH 8 TO 16 INCHES OF SNOW FROM THE DENVER METRO AREA TO LIMON...AND ONE TO TWO FEET IN DOUGLAS AND WESTERN ELBERT COUNTIES. THE SNOW AND PROLONGED WINDS WILL ALSO PRODUCE CONSIDERABLE DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER OF A MILE. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ031-033-034-261500- /O.CON.KBOU.WS.W.0006.000000T0000Z-090327T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK 257 AM MDT THU MAR 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW WILL INCREASE THIS MORNING AND WILL BE HEAVY AT TIMES THROUGH TONIGHT. THE HEAVIEST SNOW IS EXPECTED TO SHIFT FROM AREAS ALONG AND WEST OF THE CONTINENTAL DIVIDE THIS MORNING...TO AREAS ALONG AND EAST OF THE FRONT RANGE MOUNTAINS THIS AFTERNOON AND TONIGHT. WINDS WILL BE SHIFTING AROUND TO THE NORTHEAST ON THURSDAY WITH GUSTS IN EXCESS OF 40 MPH ABOVE TIMBERLINE PRODUCING WHITEOUT CONDITIONS ON THE HIGHER MOUNTAIN PASSES. TOTAL SNOW ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED BY LATE THURSDAY NIGHT...WITH THE HIGHER AMOUNTS ON EAST FACING MOUNTAIN SLOPES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ035>037-261500- /O.CON.KBOU.WS.W.0006.090326T1200Z-090327T1200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE 257 AM MDT THU MAR 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 6 AM THIS MORNING TO 6 AM MDT FRIDAY. SNOW WILL BECOME WIDESPREAD AND HEAVY AT TIMES THIS MORNING. AT THIS TIME...THE HEAVIEST SNOW IS EXPECTED TO OCCUR FROM MID MORNING THROUGH THE MID EVENING HOURS THURSDAY. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 45 MPH WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW IN EXPOSED FOOTHILLS AREAS. TOTAL SNOW ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED WITH THE HEAVIEST SNOW IN THE FOOTHILLS WEST AND SOUTHWEST OF DENVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ030-032-261500- /O.CON.KBOU.WW.Y.0015.000000T0000Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING 257 AM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW SHOWERS...SOME HEAVY...WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK TODAY. THE SNOW WILL BE ACCOMPANIED BY AREAS OF BLOWING AND DRIFTING SNOW AS WINDS INCREASE TODAY. THESE CONDITIONS ARE EXPECTED TO CONTINUE INTO THURSDAY EVENING BEFORE DIMINISHING. TOTAL SNOW ACCUMULATION BY MIDNIGHT THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ GIMMESTAD
000 WWUS45 KBOU 261343 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 743 AM MDT THU MAR 26 2009 ...MAJOR WINTER STORM MOVING INTO NORTH CENTRAL AND NORTHEAST COLORADO... A LOW PRESSURE SYSTEM WILL STRENGTHEN AS IT MOVES FROM SOUTHWESTERN WYOMING TO NORTHERN NEW MEXICO BY TONIGHT. MODERATE TO HEAVY SNOW IS ALREADY OCCURRING FROM THE NORTHERN SECTIONS OF THE DENVER AREA AND EXTENDS NORTHWARD FORT COLLINS. THE SNOW WILL CONTINUE TO SPREAD SOUTH AND EASTWARD ACROSS THE REST OF THE PLAINS BY MIDDAY. A STRONG COLD FRONT WILL MOVE SOUTHWARD ACROSS THE PLAINS BY LATER THIS MORNING WHICH WILL INCREASE THE NORTHERLY WINDS AS WELL. BY AFTERNOON...MODERATE TO HEAVY SNOW WILL BE WIDESPREAD ALONG WITH WINDS GUSTING AS HIGH AS 45 MPH. THIS WILL CREATE BLIZZARD CONDITIONS ON THE PLAINS AS WELL AS WIND PRONE AREAS IN THE FOOTHILLS. CONDITIONS ARE EXPECTED TO DETERIORATE THIS AFTERNOON AND EVENING WHEN BOTH THE WINDS AND SNOWFALL WILL PEAK. CONDITIONS WILL IMPROVE THIS EVENING IN THE NORTHERN PART OF THE AREA...BUT BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST IN AREAS SOUTH OF INTERSTATE 70 MUCH OF THE NIGHT. SNOWFALL TOTALS BY FRIDAY MORNING WILL RANGE FROM AROUND 6 INCHES IN THE NORTHEAST CORNER OF THE STATE TO BETWEEN 8 AND 16 INCHES IN THE DENVER METRO AREA...WITH UP TO TWO FEET OF SNOW IN AREAS SOUTH AND WEST OF DENVER. THE SNOWFALL COMBINED WITH PROLONGED WINDS WILL CREATE SIGNIFICANT DRIFTING OF SNOW ON THE PLAINS. RESIDENTS OF NORTH CENTRAL AND NORTHEASTERN COLORADO SHOULD MAKE NECESSARY PREPARATIONS FOR THIS STORM EARLY THIS MORNING. IF TRAVEL CANNOT BE COMPLETED EARLY THIS MORNING...CONSIDER WAITING UNTIL CONDITIONS IMPROVE ON FRIDAY. ROAD CLOSURES ARE LIKELY LATER TODAY...AND TRAVEL WILL BE HAZARDOUS WHERE IT IS STILL POSSIBLE. COZ038>051-261645- /O.CON.KBOU.BZ.W.0001.000000T0000Z-090327T1200Z/ 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- INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER... LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GROVER...RAYMER... GREELEY...BRUSH...FORT MORGAN...BENNETT...BYERS...DEER TRAIL... HUGO...LIMON...FORDER...KARVAL...KUTCH...PUNKIN CENTER... STERLING...AKRON...OTIS...JULESBURG...HAXTUN...HOLYOKE 743 AM MDT THU MAR 26 2009 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW WILL BECOME WIDESPREAD OVER THE ENTIRE AREA BY MIDDAY...AND BECOME HEAVY AT TIMES...ESPECIALLY THIS AFTERNOON AND EVENING. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 45 MPH WILL PRODUCE BLIZZARD CONDITIONS AND CONSIDERABLE DRIFTING SNOW ON THE PLAINS BY AFTERNOON. THE WORST CONDITIONS ARE EXPECTED TO BE IN AREAS SOUTH OF A LINE FROM BOULDER TO AKRON. TOTAL SNOW ACCUMULATIONS BY LATE THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES ACROSS THE NORTHEAST PLAINS...WITH 8 TO 16 INCHES OF SNOW FROM THE DENVER METRO AREA TO LIMON...AND ONE TO TWO FEET IN DOUGLAS AND WESTERN ELBERT COUNTIES. THE SNOW AND PROLONGED WINDS WILL ALSO PRODUCE CONSIDERABLE DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER OF A MILE. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ031-033>037-261645- /O.CON.KBOU.WS.W.0006.000000T0000Z-090327T1200Z/ 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- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE 743 AM MDT THU MAR 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH THE MID EVENING HOURS TONIGHT. IN ADDITION... NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 45 MPH WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW IN EXPOSED FOOTHILLS AREAS. TOTAL SNOW ACCUMULATIONS OF 12 TO 24 INCHES ARE EXPECTED WITH THE HEAVIEST SNOW IN THE FOOTHILLS WEST AND SOUTHWEST OF DENVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ030-032-261645- /O.CON.KBOU.WW.Y.0015.000000T0000Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING 743 AM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW SHOWERS...SOME HEAVY...WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK TODAY. THE SNOW WILL BE ACCOMPANIED BY AREAS OF BLOWING AND DRIFTING SNOW AS WINDS INCREASE. THESE CONDITIONS ARE EXPECTED TO CONTINUE INTO THIS EVENING BEFORE DIMINISHING. TOTAL SNOW ACCUMULATION BY MIDNIGHT THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ ENTREKIN
000 WWUS45 KBOU 261719 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1119 AM MDT THU MAR 26 2009 ...MAJOR WINTER-LIKE STORM POUNDING NORTH CENTRAL AND NORTHEAST COLORADO... MODERATE TO HEAVY SNOWFALL HAS ALREADY DEVELOPED ACROSS THE PLAINS AND OVER WEST FACING MOUNTAIN SLOPES OF NORTH CENTRAL AND NORTHEAST COLORADO LATE THIS MORNING. THE COLORADO DEPARTMENT OF TRANSPORTATION REPORTS NUMEROUS ROADS EITHER SNOW PACKED OR CLOSED AS OF 11 AM MDT. TIRE CHAINS OR ADEQUATE SNOW TIRES ARE REQUIRED ON MANY AREA ROADWAYS INCLUDING U.S. HIGHWAY 36 BETWEEN DENVER AND BOULDER. MODERATE TO HEAVY SNOWFALL WILL BECOME MORE WIDESPREAD EAST OF THE CONTINENTAL DIVIDE THIS AFTERNOON FOLLOWING THE PASSAGE OF A STRONG COLD FRONT AROUND MIDDAY. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE COMMON THIS AFTERNOON...WITH RATES AS HIGH AS 3 INCHES PER HOURS UP AGAINST THE FOOTHILLS WEST OF DENVER AND BOULDER AND OVER THE HIGHER TERRAIN OF THE PALMER DIVIDE. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 40 MPH WILL ALSO PRODUCE BLIZZARD CONDITIONS...PARTICULARLY IN OPEN AREAS EAST OF I-25 FROM FORT LUPTON NORTHEAST OF DENVER TO THE THE EL PASO COUNTY LINE. CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING IN THE NORTHERN PART OF THE AREA...BUT BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST IN AREAS SOUTH OF INTERSTATE 70 MUCH OF THE NIGHT. SNOWFALL TOTALS BY FRIDAY MORNING WILL RANGE FROM AROUND 6 INCHES IN THE NORTHEAST CORNER OF THE STATE TO BETWEEN 8 AND 16 INCHES IN THE DENVER METRO AREA...WITH UP TO TWO FEET OF SNOW IN AREAS SOUTH AND WEST OF DENVER. THE SNOWFALL COMBINED WITH PROLONGED WINDS WILL CREATE SIGNIFICANT DRIFTING OF SNOW ON THE PLAINS. RESIDENTS OF NORTH CENTRAL AND NORTHEASTERN COLORADO SHOULD MAKE NECESSARY PREPARATIONS FOR THIS STORM EARLY THIS MORNING. IF TRAVEL CANNOT BE COMPLETED EARLY THIS MORNING...CONSIDER WAITING UNTIL CONDITIONS IMPROVE ON FRIDAY. ROAD CLOSURES ARE LIKELY LATER TODAY...AND TRAVEL WILL BE HAZARDOUS WHERE IT IS STILL POSSIBLE. COZ038>051-262330- /O.CON.KBOU.BZ.W.0001.000000T0000Z-090327T1200Z/ 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- INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER... LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GROVER...RAYMER... GREELEY...BRUSH...FORT MORGAN...BENNETT...BYERS...DEER TRAIL... HUGO...LIMON...FORDER...KARVAL...KUTCH...PUNKIN CENTER... STERLING...AKRON...OTIS...JULESBURG...HAXTUN...HOLYOKE 1119 AM MDT THU MAR 26 2009 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW HEAVY AT TIMES OVER THE ENTIRE AREA THROUGH THIS EVENING. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH WILL PRODUCE BLIZZARD CONDITIONS AND CONSIDERABLE DRIFTING SNOW ON THE PLAINS BY AFTERNOON. THE WORST CONDITIONS ARE EXPECTED TO BE IN AREAS SOUTH OF A LINE FROM BOULDER TO AKRON. TOTAL SNOW ACCUMULATIONS BY LATE THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES ACROSS THE NORTHEAST PLAINS...WITH 8 TO 16 INCHES OF SNOW FROM THE DENVER METRO AREA TO LIMON...AND ONE TO TWO FEET IN DOUGLAS AND WESTERN ELBERT COUNTIES. THE SNOW AND PROLONGED WINDS WILL ALSO PRODUCE CONSIDERABLE DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER OF A MILE. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ031-033>037-262330- /O.CON.KBOU.WS.W.0006.000000T0000Z-090327T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE 1119 AM MDT THU MAR 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH THE MID EVENING HOURS TONIGHT. IN ADDITION... NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 40 MPH WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW IN EXPOSED FOOTHILLS AREAS. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED WITH THE HEAVIEST SNOW IN THE FOOTHILLS WEST AND SOUTHWEST OF DENVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ030-032-262330- /O.CON.KBOU.WW.Y.0015.000000T0000Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING 1119 AM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW SHOWERS...SOME HEAVY...WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK TODAY. THE SNOW WILL BE ACCOMPANIED BY AREAS OF BLOWING AND DRIFTING SNOW AS WINDS INCREASE. THESE CONDITIONS ARE EXPECTED TO CONTINUE INTO THIS EVENING BEFORE DIMINISHING. TOTAL SNOW ACCUMULATION BY MIDNIGHT THURSDAY NIGHT WILL RANGE FROM 5 TO 10 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BAKER
000 WWUS45 KBOU 261725 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1125 AM MDT THU MAR 26 2009 ...MAJOR WINTER-LIKE STORM POUNDING NORTH CENTRAL AND NORTHEAST COLORADO... MODERATE TO HEAVY SNOWFALL HAS ALREADY DEVELOPED ACROSS THE PLAINS AND OVER EAST FACING MOUNTAIN SLOPES OF NORTH CENTRAL AND NORTHEAST COLORADO LATE THIS MORNING. THE COLORADO DEPARTMENT OF TRANSPORTATION REPORTS NUMEROUS ROADS EITHER SNOW PACKED OR CLOSED AS OF 11 AM MDT. TIRE CHAINS OR ADEQUATE SNOW TIRES ARE REQUIRED ON MANY AREA ROADWAYS INCLUDING U.S. HIGHWAY 36 BETWEEN DENVER AND BOULDER. MODERATE TO HEAVY SNOWFALL WILL BECOME MORE WIDESPREAD EAST OF THE CONTINENTAL DIVIDE THIS AFTERNOON FOLLOWING THE PASSAGE OF A STRONG COLD FRONT AROUND MIDDAY. SNOWFALL RATES OF 1 TO 2 INCHES PER HOUR WILL BE COMMON THIS AFTERNOON...WITH RATES AS HIGH AS 3 INCHES PER HOURS UP AGAINST THE FOOTHILLS WEST OF DENVER AND BOULDER AND OVER THE HIGHER TERRAIN OF THE PALMER DIVIDE. IN ADDITION...NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 40 MPH WILL ALSO PRODUCE BLIZZARD CONDITIONS... PARTICULARLY IN OPEN AREAS EAST OF I-25 FROM FORT LUPTON NORTHEAST OF DENVER TO THE THE EL PASO COUNTY LINE. CONDITIONS WILL GRADUALLY IMPROVE THIS EVENING IN THE NORTHERN PART OF THE AREA...BUT BLIZZARD CONDITIONS ARE EXPECTED TO PERSIST IN AREAS SOUTH OF INTERSTATE 70 MUCH OF THE NIGHT. SNOWFALL TOTALS BY FRIDAY MORNING WILL RANGE FROM AROUND 6 INCHES IN THE NORTHEAST CORNER OF THE STATE TO BETWEEN 8 AND 16 INCHES IN THE DENVER METRO AREA...WITH UP TO TWO FEET OF SNOW IN AREAS SOUTH AND WEST OF DENVER. THE SNOWFALL COMBINED WITH PROLONGED WINDS WILL CREATE SIGNIFICANT DRIFTING OF SNOW ON THE PLAINS. RESIDENTS OF NORTH CENTRAL AND NORTHEASTERN COLORADO SHOULD MAKE NECESSARY PREPARATIONS FOR THIS MAJOR SPRING SNOW STORM. PEOPLE IN THE WARNING AREA MAY WANT TO CONSIDER DELAYING THEIR TRAVEL UNTIL CONDITIONS IMPROVE FRIDAY MORNING. ROAD CLOSURES ARE LIKELY LATER TODAY...AND TRAVEL WILL BE HAZARDOUS WHERE IT IS STILL POSSIBLE. COZ038>051-262330- /O.CON.KBOU.BZ.W.0001.000000T0000Z-090327T1200Z/ 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- INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER... LAKEWOOD...LONGMONT...AURORA...CASTLE ROCK...GROVER...RAYMER... GREELEY...BRUSH...FORT MORGAN...BENNETT...BYERS...DEER TRAIL... HUGO...LIMON...FORDER...KARVAL...KUTCH...PUNKIN CENTER... STERLING...AKRON...OTIS...JULESBURG...HAXTUN...HOLYOKE 1125 AM MDT THU MAR 26 2009 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW HEAVY AT TIMES OVER THE ENTIRE AREA THROUGH THIS EVENING. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH WILL PRODUCE BLIZZARD CONDITIONS AND CONSIDERABLE DRIFTING SNOW ON THE PLAINS BY AFTERNOON. THE WORST CONDITIONS ARE EXPECTED TO BE IN AREAS SOUTH OF A LINE FROM BOULDER TO AKRON. TOTAL SNOW ACCUMULATIONS BY LATE THURSDAY NIGHT WILL RANGE FROM 6 TO 12 INCHES ACROSS THE NORTHEAST PLAINS...WITH 8 TO 16 INCHES OF SNOW FROM THE DENVER METRO AREA TO LIMON...AND ONE TO TWO FEET IN DOUGLAS AND WESTERN ELBERT COUNTIES. THE SNOW AND PROLONGED WINDS WILL ALSO PRODUCE CONSIDERABLE DRIFTING OF SNOW. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER OF A MILE. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ031-033>037-262330- /O.CON.KBOU.WS.W.0006.000000T0000Z-090327T1200Z/ 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- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...RABBIT EARS PASS...CAMERON PASS...BRECKENRIDGE... WINTER PARK...ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN... HARTSEL...LAKE GEORGE 1125 AM MDT THU MAR 26 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM MDT FRIDAY. SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH THE MID EVENING HOURS TONIGHT. IN ADDITION... NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH AND GUSTS TO AROUND 40 MPH WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW IN EXPOSED FOOTHILLS AREAS. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED WITH THE HEAVIEST SNOW IN THE FOOTHILLS WEST AND SOUTHWEST OF DENVER. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO EXPECTED. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ COZ030-032-262330- /O.CON.KBOU.WW.Y.0015.000000T0000Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...WALDEN...FRASER...GRANBY...KREMMLING 1125 AM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MDT TONIGHT. SNOW SHOWERS...SOME HEAVY...WILL CONTINUE ACROSS NORTH PARK AND MIDDLE PARK TODAY. THE SNOW WILL BE ACCOMPANIED BY AREAS OF BLOWING AND DRIFTING SNOW AS WINDS INCREASE. THESE CONDITIONS ARE EXPECTED TO CONTINUE INTO THIS EVENING BEFORE DIMINISHING. TOTAL SNOW ACCUMULATION BY MIDNIGHT THURSDAY NIGHT WILL RANGE FROM 5 TO 10 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BAKER
000 WWUS45 KBOU 262246 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 446 PM MDT THU MAR 26 2009 ...EARLY SPRING SNOW STORM COMING TO AN END IN NORTHEAST COLORADO... MODERATE TO OCCASIONAL HEAVY SNOWFALL AND CONSIDERABLE BLOWING AND DRIFTING OF SNOW PRODUCED BY 25 TO 40 MPH WINDS WILL CONTINUE OVER THE HIGHER TERRAIN OF THE PALMER DIVIDE TO THE SOUTH OF DENVER...AND ACROSS ELBERT...EASTERN ADAMS AND ARAPAHOE... LINCOLN AND WASHINGTON COUNTIES IN EAST CENTRAL COLORADO LATE THIS THURSDAY AFTERNOON. CONDITIONS SHOULD GRADUALLY IMPROVE IN THESE AREAS BY LATE THIS EVENING AS THE POTENT UPPER LEVEL STORM SYSTEM RESPONSIBLE FOR THE EXTENSIVE SNOWFALL ACROSS THE REGION MOVES EAST OF THE STATE OVERNIGHT. THE REMAINDER OF THE NORTHEAST PLAINS...THE FRONT RANGE MOUNTAINS AND FOOTHILLS AND SOUTH PARK WILL CONTINUE TO SEE LIGHT SNOW AND AREAS OF BLOWING SNOW THROUGH MID-EVENING. ANY LIGHT SNOWFALL AND BLOWING SNOW IN THESE AREAS SHOULD COME TO AN END BY MIDNIGHT AS DRIER AIR MOVES IN FROM UTAH AND WYOMING. RESIDENTS AND TRAVELERS IN THE WARNING AREA MAY WANT TO CONSIDER DELAYING THEIR TRAVEL UNTIL CONDITIONS IMPROVE AFTER MIDNIGHT TONIGHT. TRAVELERS ACROSS EAST CENTRAL COLORADO COULD STILL ENCOUNTER ROAD CLOSURES THROUGH THIS EVENING...ALONG WITH HAZARDOUS WHITEOUT CONDITIONS IN OPEN AREAS. COZ038>040-042>044-048-050-051-270300- /O.CAN.KBOU.BZ.W.0001.000000T0000Z-090327T1200Z/ /O.NEW.KBOU.WW.Y.0016.090326T2246Z-090327T0300Z/ 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-MORGAN COUNTY-LOGAN COUNTY- SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING...FORT COLLINS...LOVELAND...ARVADA...BOULDER... LAKEWOOD...LONGMONT...AURORA...GROVER...RAYMER...GREELEY... BRUSH...FORT MORGAN...STERLING...JULESBURG...HAXTUN...HOLYOKE 446 PM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...BLIZZARD 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 9 PM MDT THIS EVENING. THE BLIZZARD WARNING HAS BEEN CANCELED. NORTH WINDS OF 20 TO 30 MPH WILL CONTINUE TO PRODUCE BLOWING AND SOME DRIFTING SNOW THROUGH THIS EVENING. IN ADDITION LIGHT SNOW WILL CONTINUE TO FALL...WITH GENERALLY LESS THAN 2 INCHES OF NEW SNOW ACCUMULATION POSSIBLE...MAINLY SOUTH OF INTERSTATE 70. CONDITIONS SHOULD IMPROVE IN MOST AREAS BY LATE THIS EVENING. A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ033>037-270300- /O.CAN.KBOU.WS.W.0006.000000T0000Z-090327T1200Z/ /O.NEW.KBOU.WW.Y.0016.090326T2246Z-090327T0300Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...CAMERON PASS...BRECKENRIDGE...WINTER PARK... ESTES PARK...GLENDEVEY...NEDERLAND...EVERGREEN...HARTSEL... LAKE GEORGE 446 PM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 9 PM MDT THIS EVENING... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT UNTIL 9 PM MDT THIS EVENING. THE WINTER STORM WARNING HAS BEEN CANCELED. LIGHT TO MODERATE SNOW WILL CONTINUE THROUGH THIS EVENING TOGETHER WITH AREAS OF BLOWING AND SOME DRIFTING SNOW. ADDITIONAL SNOW ACCUMULATION WILL RANGE FROM A COUPLE INCHES NORTH OF INTERSTATE 70 TO AROUND 5 INCHES IN THE MOUNTAINS AND FRONT RANGE FOOTHILLS OF NORTHERN PARK...GILPIN...JEFFERSON AND WESTERN DOUGLAS COUNTIES. A WINTER WEATHER ADVISORY MEANS THAT SNOW...BLOWING SNOW...OR FREEZING DRIZZLE WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ COZ031-270000- /O.CAN.KBOU.WS.W.0006.000000T0000Z-090327T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- 446 PM MDT THU MAR 26 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELED THE WINTER STORM WARNING. LIGHT SNOWFALL IN THE PARK AND GORE RANGES OF WESTERN JACKSON AND GRAND COUNTIES WILL GRADUALLY COME TO AN END EARLY THIS EVENING...LITTLE OR NO ADDITIONAL ACCUMULATION IS ANTICIPATED. $$ COZ030-032-270000- /O.CAN.KBOU.WW.Y.0015.000000T0000Z-090327T0600Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 446 PM MDT THU MAR 26 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELED THE WINTER WEATHER ADVISORY. SNOW AND BLOWING SNOW ARE NO LONGER ANTICIPATED IN NORTH AND MIDDLE PARKS OF NORTH CENTRAL COLORADO THIS EVENING. $$ COZ041-045>047-049-270300- /O.EXT.KBOU.BZ.W.0001.000000T0000Z-090327T0300Z/ 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- WASHINGTON COUNTY- INCLUDING...CASTLE ROCK...BENNETT...BYERS...DEER TRAIL...HUGO... LIMON...FORDER...KARVAL...KUTCH...PUNKIN CENTER...AKRON...OTIS 446 PM MDT THU MAR 26 2009 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING... THE BLIZZARD WARNING IS NOW IN EFFECT UNTIL 9 PM MDT THIS EVENING. NORTH TO NORTHEAST WINDS OF 20 TO 30 MPH WITH GUSTS TO AROUND 40 MPH WILL CONTINUE TO PRODUCE WHITEOUT CONDITIONS AS WELL AS CONSIDERABLE DRIFTING OF SNOW IN OPEN AREAS OF EASTERN DOUGLAS... ELBERT...EASTERN PORTIONS OF ADAMS AND ARAPAHOE COUNTIES...WASHINGTON AND LINCOLN COUNTIES THROUGH MID-EVENING. THE WORST CONDITIONS ARE EXPECTED IN AREAS SOUTHEAST OF A LINE FROM ELBERT IN SOUTHWEST ELBERT COUNTY TO ANTON IN SOUTHERN WASHINGTON COUNTY. ADDITIONAL SNOW ACCUMULATIONS BY LATE THIS EVENING WILL RANGE FROM 2 TO 5 INCHES. SNOW DRIFTS OF 1 TO 3 FEET CAN ALSO BE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE OCCURRING OR IMMINENT. SUSTAINED WIND AND/OR FREQUENT WIND GUSTS OF 35 MPH OR HIGHER WILL COMBINE WITH CONSIDERABLE FALLING AND BLOWING SNOW TO PRODUCE WIDESPREAD VISIBILITIES BELOW ONE QUARTER OF A MILE. TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED IN THESE WHITEOUT CONDITIONS. IF YOU MUST TRAVEL...HAVE A WINTER SURVIVAL KIT WITH YOU. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ BAKER
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 Mar 25, 3:55 AM MDT, 7 hours 52 minutes earlier.
Area forecast discussion, Mar 25, 3:55 AM MDT, 7 hours 52 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 355 AM MDT WED MAR 25 2009 .SHORT TERM...WEAK SHORTWAVE GENERATED A BAND OF SNOW SHOWERS WHICH IS EXITING EAST CENTRAL COLORADO AT THIS HOUR. COOLER AIR ALOFT IS MOVING INTO NORTHERN COLORADO BEHIND THIS WAVE...AND THERE IS A BATCH OF SHOWERS OVER NORTHWESTERN COLORADO SPREADING INTO THE NORTHERN MOUNTAINS. THERE WILL NOT BE MUCH IN THE WAY OF LIFT TODAY...BUT THIS COOLING ALOFT WILL ALLOW FOR SOME SHOWER ACTIVITY TODAY. THIS WILL BE MAINLY OVER THE MOUNTAINS THIS MORNING...BUT SHOULD DEVELOP ON THE PLAINS WITH HEATING THIS AFTERNOON. LOW LEVELS WILL BE RATHER DRY THOUGH SO I WILL KEEP THE EXTENT LIMITED. MAIN CHANGE FOR TODAY WAS TO RAISE THE POPS IN THE MOUNTAINS. GOOD MODEL AGREEMENT ON LIFT SPREADING INTO THE MOUNTAINS DURING THE NIGHT AS THE UPSTREAM SYSTEM APPROACHES...AND ONTO THE PLAINS AND COUPLING WITH THE COLD FRONT AND DEVELOPING DEEP UPSLOPE OVER THE EAST AROUND SUNRISE THURSDAY. RAISED POPS MAINLY IN THE MOUNTAINS...UNSURE IF SNOW WILL START AROUND DENVER BEFORE OR AFTER 12Z. .LONG TERM...AT 12Z THURSDAY...MODELS PUT THE UPPER CIRCULATION OVER NORTHEASTERN UTAH...AT 00Z THURSDAY AFTERNOON ITS OVER THE FOUR CORNERS AREA. THIS LOCATION AND TIME FOR THE FEATURE HAS BEEN PRETTY CONSISTENT FOR THE LAST SEVERAL RUNS. AT 12Z FRIDAY MORNING THEY HAVE IT OVER CENTRAL TO EAST CENTRAL NEW MEXICO...A BIT FURTHER SOUTH THAN THE YESTERDAYS 00Z RUNS INDICATED. THE FLOW ALOFT FOR THE FORECAST AREA BECOMES ALL NORTHERLY BY 18Z FRIDAY AND CONTINUES THROUGH FRIDAY NIGHT. THE QG VERTICAL VELOCITY FIELDS SHOW UPWARD MOTION FOR THE FORECAST AREA THURSDAY THROUGH THURSDAY NIGHT. BY FRIDAY MORNING...DOWNWARD MOTION IS OVER THE FORECAST AREA. THIS CONTINUES THROUGH FRIDAY NIGHT. THE LOW LEVEL WIND AND PRESSURE FIELDS SHOW THE UPSLOPE IN PLACE OVER MUCH OF THE FORECAST AREA BY 12Z THURSDAY MORNING. THE DECENT PRESSURE SURGE MOVES IN BETWEEN 12Z-18Z THURSDAY MORNING AND BOTH THE NAM AND GFS ARE THE SAME PAGE WITH THIS. THE UPSLOPE FOR THE PLAINS AND FOOTHILLS IS BEST FROM 18Z MID DAY THURSDAY THROUGH ABOUT 06Z THURSDAY NIGHT. THE BOUNDARY LAYER FLOW IS THEN DUE NORTHERLY THROUGH ABOUT 18Z FRIDAY MID DAY. A WEAK GRADIENT AFTER THAT WOULD POINT TO NORMAL DIURNAL WINDS THROUGH FRIDAY NIGHT. THE DEPTH OF THE UPSLOPE IS UP TO 500 MB ON THE GFS...AND ABOUT 550 MB ON THE NAM. MOISTURE FROM BOTH MODELS ON THE CROSS SECTIONS IS IN MUCH BETTER SYNC ON THESE 00Z RUNS COMPARED TO LAST NIGHT. DEEP MOISTURE IS IN PLACE FOR ALL THE FORECAST AREA FROM THURSDAY MORNING THROUGH THURSDAY EVENING. AFTER 06Z THURSDAY NIGHT...BOTH MODELS BEGIN THE DRYING. BY 18Z FRIDAY THE WESTERN 2/3RDS ARE THE FORECAST AREA ARE PRETTY DRY...ONLY THE EAST HAS SOME LINGERING LOW LEVEL MOISTURE. FRIDAY AFTERNOON AND NIGHT CONTINUE TO DRY OUT...SAVE A BIT OF MOISTURE IN THE HIGH MOUNTAINS. THE QPF FIELDS HAVE WIDESPREAD SNOWFALL OVER THE FORECAST ARE THURSDAY INTO FRIDAY MORNING. THE NAM HAS A BIT MORE THAN THE GFS...BUT BOTH SHOW A DECENT AMOUNT FOR THE FOOTHILLS...WESTERN PLAINS...AND PALMER RIDGE. BOTH ALSO SHOW THE MOST MEASURABLE PRECIPITATION SOUTH OF THE FORECAST AREA. WILL GO WITH POPS IN THE 60%-80% RANGE FOR ALL THE FORECAST AREA THURSDAY AND MUCH OF THURSDAY NIGHT...THEN TAPPER OFF QUICKLY FRIDAY MORNING. CONCERNING HIGHLIGHTS...THE NEXT MODEL RUNS MAY CONTINUE THE TREND OF THE UPPER CIRCULATION MOVING FURTHER TO THE SOUTH. WITH THAT IN MIND...WILL LET THE WINTER STORM WATCH CONTINUE AND WILL ADD ZONE 37 TO IT. THAT ZONE DOES PRETTY GOOD WITH NORTHEASTERLY FLOW...AND IT HAS THE BEST UPWARD MOTION OVER IT THEN ANY OTHER PART OF THE FORECAST AREA WITH THIS STORM. FOR TEMPERATURES...THURSDAYS HIGHS ARE 8-12 C COLDER THAN TODAYS. FRIDAYS HIGHS ARE 1-2.5 C WARMER THAN THURSDAYS. FOR THE LATER DAYS...SATURDAY THROUGH TUESDAY...MODELS HAVE NORTHWESTERLY FLOW ALOFT AND UPPER RIDGING ON SATURDAY INTO SUNDAY. BY SUNDAY NIGHT AN UPPER TROUGH MOVES ACROSS ACCORDING TO THE DGEX...GFS...AND THE ECMWF. THEN MORE NORTHWESTERLY FLOW AND UPPER RIDGING FOR MONDAY INTO TUESDAY. BY LATER TUESDAY...THE DGEX AND GFS HAVE ANOTHER UPPER TROUGH/CLOSED LOW DEVELOPING TO OUT IMMEDIATE WEST. MODELS KEEP THIS ACTIVE PERIOD GOING WITH MEAN TROUGHINESS IN OUR VICINITY. WILL MAINLY GO WITH MINOR POPS IN THE MOUNTAINS RIGHT NOW. WILL LEAVE THE PLAINS DRY AT THIS TIME...BUT HOPEFULLY THAT WILL CHANGE. TEMPERATURES LOOK BELOW SEASONAL NORMALS SATURDAY THROUGH TUESDAY...WITH THE WARMEST DAY SATURDAY. && .AVIATION...VFR CONDITIONS EXPECTED THROUGH THIS EVENING. ISOLATED LIGHT RAIN AND SNOW SHOWERS ARE POSSIBLE THIS AFTERNOON BUT CEILINGS WILL GENERALLY REMAIN HIGH. SNOW IS EXPECTED TO DEVELOP AFTER 08Z ON THURSDAY WITH LOWERING CEILINGS AND VISIBILITIES. IFR CONDITIONS ARE POSSIBLE...BUT THE HEAVIEST SNOW MAY WAIT UNTIL LATER THURSDAY MORNING. && .BOU WATCHES/WARNINGS/ADVISORIES... ...WINTER STORM WATCH...WEDNESDAY NIGHT THROUGH THURSDAY NIGHT FOR ZONES 31..33..34 ...WINTER STORM WATCH THURSDAY AND THURSDAY NIGHT FOR ZONES 36..37..39..40..41..45..46..47 GIMMESTAD/RJK
Hazardous weather outlook, Mar 25, 6:25 AM MDT, 5 hours 22 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 625 AM MDT WED MAR 25 2009 COZ030>051-251700- 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- 625 AM MDT WED MAR 25 2009 ...WINTER STORM WATCH FOR THE NORTH CENTRAL MOUNTAINS LATE TONIGHT THROUGH THURSDAY NIGHT... ...WINTER STORM WATCH FOR THE FRONT RANGE FOOTHILLS...THE DENVER BOULDER AREA...AND THE PLAINS FROM INTERSTATE 70 SOUTHWARD THURSDAY AND THURSDAY NIGHT... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT A MOIST AND UNSTABLE AIRMASS WILL PRODUCE SCATTERED SNOW SHOWERS OVER THE MOUNTAINS TODAY...WITH ISOLATED RAIN AND SNOW SHOWERS ON THE PLAINS THIS AFTERNOON. HIGHER MOUNTAIN LOCATIONS WILL GET 1 TO 4 INCHES OF SNOW DURING THE DAY TODAY. SNOW WILL INCREASE FROM THE WEST AFTER MIDNIGHT AS THE NEXT STORM SYSTEM APPROACHES. HEAVY SNOW IS LIKELY IN THE HIGHER MOUNTAINS AFTER MIDNIGHT. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY A STORM SYSTEM WILL BRING SNOW TO ALL THE FORECAST AREA THURSDAY AND THURSDAY NIGHT. POSSIBLE ACCUMULATIONS INCLUDE...6 TO 16 INCHES IN THE HIGH MOUNTAINS...SOUTH PARK...PALMER DIVIDE...AND FRONT RANGE FOOTHILLS. OVER THE DENVER-BOULDER AREA...ADAMS...ARAPAHOE... ELBERT...AND LINCOLN COUNTIES 5 TO 8 INCHES COULD FALL WITH THE STORM. THE REST OF THE PLAINS COULD SEE 1 TO 5 INCHES. SIGNIFICANT BLOWING AND DRIFTING SNOW IS ALSO LIKELY ON THE PLAINS. A SLIGHT CHANCE OF SNOW WILL CONTINUE OVER THE MOUNTAINS AND DOUGLAS... ELBERT...AND LINCOLN COUNTIES ON FRIDAY. A SLIGHT CHANCE OF SNOW WILL RETURN TO THE MOUNTAINS FROM SUNDAY WELL INTO NEXT WEEK. .SPOTTER INFORMATION STATEMENT... SNOWFALL REPORTS FROM SPOTTERS WILL BE APPRECIATED. GIMMESTAD/RJK
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 4:47 PM MDT | Winter Weather Advisory | BOU | Grand, Jackson, Summit | 24 hr |
Nearby
Winter Storm Warnings in Colorado, 2009Every winter storm warning in 2009
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.