Alert archive / Colorado / Winter Storm Warnings in 2012
Winter Storm Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Jan 20, 2012, 11:26 AM MST for 9 counties in Colorado. It took effect at Jan 21, 2012, 12:00 PM MST. It was in force for 24 hr. 21 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
- Jan 20, 2012, 11:26 AM MST (18:26 UTC)
- In effect from
- Jan 21, 2012, 12:00 PM MST
- Expired
- Jan 22, 2012, 11:40 AM MST
- In force
- 24 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 102 km from the middle of the area, began a volume at 18:27 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 |
|---|---|---|---|
| Jan 22, 5:00 AM MST | SNOW 2 | 4 S Idaho Springs, CO | |
| Jan 22, 5:00 AM MST | SNOW 3 | 5 Wsw Nederland, CO | |
| Jan 22, 5:00 AM MST | SNOW 4 | 4 Sse Granby, CO | |
| Jan 22, 5:00 AM MST | SNOW 5 | 5 Sse Fraser, CO | |
| Jan 22, 5:00 AM MST | HEAVY SNOW 6 | 6 Se Dillon, CO | |
| Jan 22, 5:00 AM MST | HEAVY SNOW 6 | 9 E Dillon, CO | |
| Jan 22, 5:00 AM MST | HEAVY SNOW 8 | 9 Ene Dillon, CO | |
| Jan 22, 5:00 AM MST | HEAVY SNOW 8 | 9 E Silverthorne, CO | EISENHOWER TUNNEL |
| Jan 22, 5:00 AM MST | HEAVY SNOW 9 | 7 Ssw Frisco, CO | |
| Jan 22, 5:00 AM MST | HEAVY SNOW 10 | 7 S Frisco, CO | |
| Jan 22, 7:00 AM MST | SNOW 3 | 5 Nnw Long'S Peak, CO | BEAR LAKE SNOTEL |
| Jan 22, 7:00 AM MST | SNOW 4 | 4 Wsw Trail Ridge, CO | LAKE IRENE SNOTEL |
| Jan 22, 7:00 AM MST | SNOW 4 | 9 Wnw Coalmont, CO | ZIRKEL SNOTEL |
| Jan 22, 7:00 AM MST | SNOW 5 | 5 Ssw Blue River, CO | HOOSIER PASS SNOTEL |
| Jan 22, 7:00 AM MST | HEAVY SNOW 7 | 7 Nw Silverthorne, CO | SUMMIT RANCH SNOTEL |
| Jan 22, 7:00 AM MST | HEAVY SNOW 8 | 11 S Rabbit Ears Pass, CO | BUFFALO PARK SNOTEL |
| Jan 22, 7:00 AM MST | HEAVY SNOW 9 | 1 Nne Rabbit Ears Pass, CO | COLUMBINE SNOTEL |
| Jan 22, 7:00 AM MST | HEAVY SNOW 11 | 8 Ene Steamboat Springs, CO | TOWER SNOTEL |
| Jan 22, 7:30 AM MST | HEAVY SNOW 8 | 1 E Dillon, CO | 5 DAY STORM TOTAL WITH 3.5 INCHES PAST 24 HOURS |
| Jan 22, 9:00 AM MST | HEAVY SNOW 6 | 4 Se Gould, CO | |
| Jan 22, 9:20 AM MST | HEAVY SNOW 7.2 | 1 Se Breckenridge, CO | STORM TOTAL |
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, 6.4 hours before the alert went out and 213 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2505 m above ground
- 0-6 km bulk shear
- 51 kt
- 0-1 km storm-relative helicity
- 41 m²/s²
- 0-3 km storm-relative helicity
- 153 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
540 WWUS45 KBOU 201826 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1126 AM MST FRI JAN 20 2012 ...HEAVY SNOW COMING TO THE MOUNTAINS... .A STRONG PACIFIC STORM SYSTEM WILL MOVE FROM THE WEST COAST OF THE U.S. INTO UTAH SATURDAY AFTERNOON...AND THEN ACROSS COLORADO SATURDAY NIGHT. MOISTURE WILL INCREASE SIGNIFICANTLY AHEAD OF THIS STORM SYSTEM...WITH SNOW DEVELOPING IN THE MOUNTAINS BY LATE SATURDAY MORNING AND THEN INCREASING SATURDAY AFTERNOON. THE HEAVIEST SNOWFALL WILL OCCUR FROM LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING WHEN SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY THIS WEEKEND... BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-210500- /O.EXP.KBOU.WW.Y.0001.000000T0000Z-120120T1800Z/ /O.UPG.KBOU.WS.A.0001.120121T1900Z-120122T1900Z/ /O.NEW.KBOU.WS.W.0002.120121T1900Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS 1126 AM MST FRI JAN 20 2012 ...WINTER STORM WARNING IN EFFECT FROM NOON SATURDAY TO NOON MST SUNDAY... ...WINTER WEATHER ADVISORY HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON SATURDAY TO NOON MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP SATURDAY MORNING INTO EARLY SATURDAY AFTERNOON. HEAVY SNOWFALL IS EXPECTED TO DEVELOP BY MID AFTERNOON SATURDAY AND THEN CONTINUE THROUGH SATURDAY EVENING. A GRADUAL DECREASE CAN THEN BE EXPECTED THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. FAVORED WEST FACING SLOPES MAY SEE UP TO 2 FEET OF SNOW. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 40 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE SATURDAY AFTERNOON WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH SATURDAY NIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BECOME EXTREMELY DANGEROUS SATURDAY AFTERNOON AND EVENING AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ034-210500- /O.UPG.KBOU.WS.A.0001.120121T1900Z-120122T1900Z/ /O.NEW.KBOU.WS.W.0002.120121T1900Z-120122T1900Z/ SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF...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 1126 AM MST FRI JAN 20 2012 ...WINTER STORM WARNING IN EFFECT FROM NOON SATURDAY TO NOON MST SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM NOON SATURDAY TO NOON MST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP BY SATURDAY AFTERNOON AND BECOME HEAVY LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED LATE SATURDAY NIGHT THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. FAVORED WEST FACING SLOPES MAY SEE UP TO 2 FEET OF SNOW. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 40 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE SATURDAY AFTERNOON WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH SATURDAY NIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-210500- /O.NEW.KBOU.WW.Y.0002.120121T2100Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1126 AM MST FRI JAN 20 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 2 PM SATURDAY TO 6 AM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 PM SATURDAY TO 6 AM MST SUNDAY. * TIMING...SNOW WILL DEVELOP SATURDAY AFTERNOON AND MAY BE HEAVY AT TIMES THROUGH SATURDAY EVENING. THE SNOW IS EXPECTED TO GRADUALLY DECREASE LATE SATURDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW && $$ BARJENBRUCH
8 follow-up statements
107 WWUS45 KBOU 202315 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 415 PM MST FRI JAN 20 2012 ...HEAVY SNOW COMING TO THE MOUNTAINS... .A STRONG PACIFIC STORM SYSTEM WILL MOVE FROM THE WEST COAST OF THE U.S. INTO UTAH SATURDAY AFTERNOON...AND THEN ACROSS COLORADO SATURDAY NIGHT. MOISTURE WILL INCREASE SIGNIFICANTLY AHEAD OF THIS STORM SYSTEM...WITH SNOW DEVELOPING IN THE MOUNTAINS SATURDAY AFTERNOON. THE HEAVIEST SNOWFALL WILL OCCUR FROM LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING WHEN SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY THIS WEEKEND... BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-034-210715- /O.CON.KBOU.WS.W.0002.120121T1900Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 415 PM MST FRI JAN 20 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO NOON MST SUNDAY... * TIMING...SNOW WILL DEVELOP BY SATURDAY AFTERNOON AND BECOME HEAVY LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED LATE SATURDAY NIGHT THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. FAVORED WEST FACING SLOPES MAY SEE UP TO 2 FEET OF SNOW. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 40 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE SATURDAY AFTERNOON WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH SATURDAY NIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-210715- /O.CON.KBOU.WW.Y.0002.120121T2100Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 415 PM MST FRI JAN 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 6 AM MST SUNDAY... * TIMING...SNOW WILL DEVELOP SATURDAY AFTERNOON AND MAY BE HEAVY AT TIMES THROUGH SATURDAY EVENING. THE SNOW IS EXPECTED TO GRADUALLY DECREASE LATE SATURDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW && $$
047 WWUS45 KBOU 210424 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 924 PM MST FRI JAN 20 2012 ...HEAVY SNOW COMING TO THE MOUNTAINS... .A STRONG PACIFIC STORM SYSTEM WILL MOVE FROM THE WEST COAST OF THE U.S. INTO UTAH SATURDAY AFTERNOON...AND THEN ACROSS COLORADO SATURDAY NIGHT. MOISTURE WILL INCREASE SIGNIFICANTLY AHEAD OF THIS STORM SYSTEM...WITH SNOW DEVELOPING IN THE MOUNTAINS SATURDAY AFTERNOON. THE HEAVIEST SNOWFALL WILL OCCUR FROM LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING WHEN SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY THIS WEEKEND... BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-034-211230- /O.CON.KBOU.WS.W.0002.120121T1900Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 924 PM MST FRI JAN 20 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO NOON MST SUNDAY... * TIMING...SNOW WILL DEVELOP BY SATURDAY AFTERNOON AND BECOME HEAVY LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED LATE SATURDAY NIGHT THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. FAVORED WEST FACING SLOPES MAY SEE UP TO 2 FEET OF SNOW. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 40 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE SATURDAY AFTERNOON WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH SATURDAY NIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-211230- /O.CON.KBOU.WW.Y.0002.120121T2100Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 924 PM MST FRI JAN 20 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 6 AM MST SUNDAY... * TIMING...SNOW WILL DEVELOP SATURDAY AFTERNOON AND MAY BE HEAVY AT TIMES THROUGH SATURDAY EVENING. THE SNOW IS EXPECTED TO GRADUALLY DECREASE LATE SATURDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS LATE SATURDAY AFTERNOON INTO EARLY SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW && $$
144 WWUS45 KBOU 211038 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 338 AM MST SAT JAN 21 2012 ...HEAVY SNOW COMING TO THE MOUNTAINS... .A STRONG PACIFIC STORM SYSTEM WILL MOVE FROM THE WEST COAST OF THE U.S. INTO UTAH SATURDAY AFTERNOON...AND THEN ACROSS COLORADO SATURDAY NIGHT. MOISTURE WILL INCREASE SIGNIFICANTLY AHEAD OF THIS STORM SYSTEM...WITH SNOW DEVELOPING IN THE MOUNTAINS DURING THE DAY SATURDAY. THE HEAVIEST SNOWFALL WILL OCCUR FROM LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING WHEN SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY THIS WEEKEND... BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-034-212300- /O.CON.KBOU.WS.W.0002.120121T1900Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 338 AM MST SAT JAN 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO NOON MST SUNDAY... * TIMING...SNOW WILL DEVELOP BY SATURDAY AFTERNOON AND BECOME HEAVY LATE SATURDAY AFTERNOON THROUGH SATURDAY EVENING. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED LATE SATURDAY NIGHT THROUGH SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. FAVORED WEST FACING SLOPES MAY SEE UP TO 2 FEET OF SNOW. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 40 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE SATURDAY AFTERNOON WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH SATURDAY NIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-212300- /O.CON.KBOU.WW.Y.0002.120121T2100Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 338 AM MST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 AM MST SUNDAY... * TIMING...SNOW WILL DEVELOP SATURDAY AFTERNOON AND MAY BE HEAVY AT TIMES THROUGH SATURDAY EVENING. THE SNOW IS EXPECTED TO GRADUALLY DECREASE LATE SATURDAY NIGHT. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW && $$
144 WWUS45 KBOU 211708 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1008 AM MST SAT JAN 21 2012 ...HEAVY SNOW STILL EXPECTED FOR THE MOUNTAINS THIS EVENING INTO SUNDAY... .THE STRONG PACIFIC STORM SYSTEM HAS DUG A LITTLE FURTHER SOUTH TODAY AND IS CURRENTLY IN SOUTHERN NEVADA. THIS WILL DELAY THE ONSET OF SNOW BY A FEW HOURS TODAY WITH SNOW EXPECTED TO DEVELOP THIS AFTERNOON. THE SYSTEM DIGGING SOUTH WILL ALSO PRODUCE MORE SOUTHWESTERLY FLOW WHICH MAY DECREASE THE TOTAL SNOWFALL AMOUNTS WITH SLIGHTLY WARMER AIR BEING ADVECTED IN EARLY ON. THE HEAVIEST SNOWFALL WILL OCCUR FROM EARLY THIS EVENING INTO EARLY SUNDAY MORNING WHEN SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR OR MORE. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY THIS WEEKEND... BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-034-220200- /O.CON.KBOU.WS.W.0002.120121T1900Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1008 AM MST SAT JAN 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY... * TIMING...SNOW WILL DEVELOP EARLY THIS AFTERNOON AND BECOME HEAVY EARLY THIS EVENING THROUGH MIDNIGHT. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 15 INCHES CAN BE EXPECTED. FAVORED WEST FACING SLOPES IN THE GORE AND PARK RANGES MAY SEE UP TO 2 FEET OF SNOW. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 40 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE THIS AFTERNOON WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH TONIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS EARLY THIS EVENING THROUGH MIDNIGHT. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-220200- /O.CON.KBOU.WW.Y.0002.120121T2100Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1008 AM MST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 AM MST SUNDAY... * TIMING...RAIN WILL TURN TO SNOW THIS AFTERNOON AND MAY BE HEAVY AT TIMES THIS EVENING. THE SNOW IS EXPECTED TO GRADUALLY DECREASE AFTER MIDNIGHT. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 3 TO 8 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS THIS EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW. && $$
507 WWUS45 KBOU 212322 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 422 PM MST SAT JAN 21 2012 ...HEAVY SNOW FOR THE MOUNTAINS TONIGHT INTO EARLY SUNDAY... .A PACIFIC STORM SYSTEM CURRENTLY OVER UTAH WILL MOVE ACROSS COLORADO TONIGHT INTO EARLY SUNDAY. SNOW WILL INCREASE IN THE MOUNTAINS EARLY THIS EVENING AND WILL BECOME HEAVY AT TIMES. THE SNOW WILL CONTINUE THROUGH SUNDAY MORNING BEFORE DECREASING BY MIDDAY. SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR OR MORE THROUGH MIDNIGHT. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY TONIGHT THROUGH SUNDAY MORNING...BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-034-220730- /O.CON.KBOU.WS.W.0002.000000T0000Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 422 PM MST SAT JAN 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY... * TIMING...SNOW WILL INCREASE EARLY THIS EVENING AND BE HEAVY AT TIMES THROUGH MIDNIGHT. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED BY SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 60 MPH ABOVE TIMBERLINE EARLY THIS EVENING WILL GRADUALLY DECREASE TO 15 TO 30 MPH WITH GUSTS NEAR 50 MPH OVERNIGHT. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONG WINDS EARLY THIS EVENING THROUGH MIDNIGHT. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-220730- /O.CON.KBOU.WW.Y.0002.000000T0000Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 422 PM MST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... * TIMING...RAIN WILL TURN TO SNOW EARLY THIS EVENING AND MAY BE HEAVY AT TIMES THROUGH MIDNIGHT. THE SNOW IS EXPECTED TO GRADUALLY DECREASE AFTER MIDNIGHT. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS THIS EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW. && $$
166 WWUS45 KBOU 220442 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 942 PM MST SAT JAN 21 2012 ...HEAVY SNOW FOR THE MOUNTAINS TONIGHT INTO EARLY SUNDAY... .A PACIFIC STORM SYSTEM CURRENTLY OVER UTAH WILL MOVE ACROSS COLORADO TONIGHT INTO EARLY SUNDAY. SNOW WILL CONTINUE IN THE MOUNTAINS AND WILL BE HEAVY AT TIMES. THE SNOW WILL CONTINUE THROUGH SUNDAY MORNING BEFORE DECREASING BY MIDDAY. SNOWFALL RATES MAY AVERAGE CLOSE TO ONE INCH PER HOUR OR MORE AT TIMES. IN ADDITION...STRONG AND GUSTY WINDS WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW ESPECIALLY IN OPEN AREAS AND ABOVE TIMBERLINE. IF YOU ARE TRAVELING IN THE COLORADO HIGH COUNTRY TONIGHT THROUGH SUNDAY MORNING...BE PREPARED FOR SLOW AND HAZARDOUS TRAVEL CONDITIONS. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. COZ031-033-034-221245- /O.CON.KBOU.WS.W.0002.000000T0000Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 942 PM MST SAT JAN 21 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST SUNDAY... * TIMING...SNOW WILL CONTINUE AND BE HEAVY AT TIMES OVERNIGHT. A GRADUAL DECREASE OF SNOW INTENSITY IS EXPECTED BY SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 14 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH ABOVE TIMBERLINE. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING PERIODS OF HEAVIER SNOWFALL AND STRONG WINDS. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SUNDAY SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS WILL LIKELY BE ENACTED FOR FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$ COZ030-032-221245- /O.CON.KBOU.WW.Y.0002.000000T0000Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 942 PM MST SAT JAN 21 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM MST SUNDAY... * TIMING...SNOW WILL CONTINUE OVERNIGHT AND THEN DECREASE BY EARLY SUNDAY MORNING. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 4 TO 7 INCHES CAN BE EXPECTED. * WINDS/VISIBILITY...WEST WINDS OF 15 TO 25 MPH WITH GUSTS NEAR 35 MPH WILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. VISIBILITIES MAY BE LIMITED TO JUST A FEW HUNDRED FEET DURING THE PERIOD OF HEAVIEST SNOWFALL AND STRONGEST WINDS THIS EVENING. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SUNDAY SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE SLOW AND HAZARDOUS DUE TO SNOW AND BLOWING SNOW. && $$
053 WWUS45 KBOU 221239 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 539 AM MST SUN JAN 22 2012 COZ030-032-221345- /O.EXP.KBOU.WW.Y.0002.000000T0000Z-120122T1300Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 539 AM MST SUN JAN 22 2012 ...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 AM MST EARLY THIS MORNING... SCATTERED SNOW SHOWERS WILL LINGER INTO THE EARLY MORNING HOURS. ANY ADDITIONAL SNOW ACCUMULATION WILL BE LIGHT AND GENERALLY LESS THAN AN INCH...THEREFORE THE WINTER WEATHER ADVISORY WILL BE ALLOWED TO EXPIRE. $$ COZ031-033-034-221900- /O.CON.KBOU.WS.W.0002.000000T0000Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 539 AM MST SUN JAN 22 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON MST TODAY... * TIMING...SNOW WILL GRADUALLY DECREASE IN INTENSITY THIS MORNING AND COME TO AN END BY NOON AT MOST LOCATIONS. * SNOW ACCUMULATIONS...TOTAL SNOW ACCUMULATIONS OF 8 TO 14 INCHES CAN BE EXPECTED. NEW SNOWFALL OF 1 TO 4 INCHES WILL BE POSSIBLE THIS MORNING. * WINDS/VISIBILITY...WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 50 MPH ABOVE TIMBERLINE. VISIBILITY MAY BE REDUCED TO NEAR ZERO AT TIMES ESPECIALLY DURING PERIODS OF HEAVIER SNOWFALL AND STRONG WINDS. * IMPACTS...PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THROUGH SUNDAY SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...SLOW TRAVEL...SNOW PACKED ROADS...AND POOR VISIBILITY. CHAIN LAWS ARE IN EFFECT FOR SEMI- TRAILERS AND BUSES TRAVELING OVER HIGHER MOUNTAIN PASSES. TEMPORARY ROAD CLOSURES WILL BE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW CAUSING WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE. IF YOU MUST TRAVEL...KEEP EXTRA FOOD...WATER...A FLASHLIGHT...AND DRY CLOTHING IN YOUR VEHICLE. IF YOU GET STRANDED...STAY WITH YOUR VEHICLE AND WAIT FOR HELP TO ARRIVE. && $$
801 WWUS45 KBOU 221840 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1140 AM MST SUN JAN 22 2012 COZ031-033-034-221945- /O.CAN.KBOU.WS.W.0002.000000T0000Z-120122T1900Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1140 AM MST SUN JAN 22 2012 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER STORM WARNING. THE STORM SYSTEM HAVE MOVED EAST ALLOWING DRIER AIR TO MOVE IN AND END MOST OF THE SNOW. SCATTERED SNOW SHOWERS ARE STILL EXPECTED OVER THE HIGHER MOUNTAINS WHICH WILL CAUSE REDUCED VISIBILITY IN BLOWING SNOW FROM GUSTY WINDS THROUGH THE AFTERNOON. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 19, 8:12 PM MST | Winter Weather Advisory | BOU | Boulder, Grand, Jackson, Larimer | 15 hr |
| Jan 20, 4:31 AM MST | Winter Storm Watch | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 7 hr |
| Jan 20, 11:26 AM MST | Winter Weather Advisory | BOU | Grand, Jackson, Summit | 43 hr |
| Jan 20, 11:30 AM MST | High Wind Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Grand, Jackson and 4 more | 28 hr |
Nearby
Winter Storm Warnings in Colorado, 2012Every winter storm warning in 2012
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.