Alert archive / Colorado / Winter Storm Warnings in 2011
Winter Storm Warning 14, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Nov 11, 2011, 10:23 AM MST for 9 counties in Colorado. It took effect at Nov 12, 2011, 12:00 PM MST. It was in force for 36 hr. 8 reports came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Nov 11, 2011, 10:23 AM MST (17:23 UTC)
- In effect from
- Nov 12, 2011, 12:00 PM MST
- Expired
- Nov 14, 2011, 12:00 AM MST
- In force
- 36 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 17:29 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 |
|---|---|---|---|
| Nov 13, 4:00 PM MST | SNOW 5 | 8 Sse Rand, CO | WILLOW CREEK SNOTEL |
| Nov 13, 4:00 PM MST | HEAVY SNOW 7 | 5 Nnw Longs Peak, CO | BEAR LAKE SNOTEL |
| Nov 13, 4:00 PM MST | HEAVY SNOW 11 | 1 Nne Rabbit Ears Pass, CO | STORM TOTAL. 6 INCHES SINCE THIS MORNING. |
| Nov 13, 4:30 PM MST | SNOW 5.5 | 1 Nw Grand Lake, CO | |
| Nov 13, 9:00 PM MST | SNOW 4 | Berthoud Pass, CO | |
| Nov 13, 9:00 PM MST | HEAVY SNOW 8 | 5 Nnw Longs Peak, CO | BEAR LAKE SNOTEL |
| Nov 13, 9:00 PM MST | HEAVY SNOW 8 | 8 Sse Rand, CO | WILLOW CREEK SNOTEL |
| Nov 13, 9:00 PM MST | HEAVY SNOW 12 | 1 Nne Rabbit Ears Pass, 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, 5.4 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
- 5220 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 205 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
971 WWUS45 KBOU 111723 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1023 AM MST FRI NOV 11 2011 ...POTENT WINTER STORM WILL HIT THE NORTHERN COLORADO MOUNTAINS THIS WEEKEND... .A STRONG STORM SYSTEM OVER THE PACIFIC NORTHWEST WILL MOVE SOUTHEAST INTO THE NORTHERN AND CENTRAL ROCKIES THIS WEEKEND. SNOW AND WINDS WILL INCREASE SIGNIFICANTLY OVER THE MOUNTAINS ON SATURDAY...WITH THE HEAVIEST SNOW AND NEAR BLIZZARD CONDITIONS EXPECTED LATE SATURDAY SATURDAY AFTERNOON INTO SUNDAY EVENING. THERE WILL BE A LULL IN THE STORM LATE SATURDAY NIGHT...BUT ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY. PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR VERY HAZARDOUS AND SLOW DRIVING CONDITIONS. POOR VISIBILITIES WILL OCCUR WITH NEAR WHITEOUT CONDITIONS POSSIBLE AT TIMES ON THE HIGHER MOUNTAIN PASSES. THIS WOULD INCLUDE I-70 AND THE APPROACHES TO THE EISENHOWER TUNNEL AND VAIL PASS...HIGHWAY 6 OVER LOVELAND PASS...AND HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS PASS. CHAIN LAWS WILL LIKELY BE REQUIRED FOR SEMI-TRAILERS AND BUSES OVER THE HIGHER MOUNTAIN PASSES. COZ031-033-034-120130- /O.UPG.KBOU.WS.A.0012.111112T1300Z-111114T0100Z/ /O.NEW.KBOU.WS.W.0014.111112T1900Z-111114T0700Z/ 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 1023 AM MST FRI NOV 11 2011 ...WINTER STORM WARNING IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MST SUNDAY NIGHT... 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 MIDNIGHT MST SUNDAY NIGHT. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * TIMING...SNOW WILL DEVELOP OVER THE MOUNTAINS ON SATURDAY MORNING...WITH HEAVIER AND MORE WIDESPREAD SNOW FROM LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. AFTER A BRIEF LULL IN THE STORM LATE SATURDAY NIGHT...ANOTHER PERIOD OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP ON SUNDAY. THE SNOW IS FINALLY EXPECTED TO DECREASE SUNDAY NIGHT. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET POSSIBLE IN THE SIERRA MADRE MOUNTAINS AND RABBIT EARS PASS AREA. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. ROADS WILL BE ICY AND SNOWPACKED WITH NEAR BLIZZARD CONDITIONS AT TIMES. ROAD CLOSURES WILL BE POSSIBLE. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO SATURDAY NIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-120130- /O.NEW.KBOU.WW.Y.0042.111112T2200Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1023 AM MST FRI NOV 11 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY. * TIMING...SNOW WILL BECOME MORE WIDESPREAD IN THE HIGH MOUNTAIN VALLEYS SATURDAY AFTERNOON. THE SNOW MAY BE BRIEFLY HEAVY INTO SATURDAY EVENING BEFORE DECREASING. ANOTHER ROUND OF SNOW IS THEN EXPECTED SUNDAY BEFORE DIMINISHING LATE SUNDAY AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 6 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCED NEAR BLIZZARD CONDITIONS IN OPEN AREAS LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. THEN WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ KRIEDERMAN/BARJENBRUCH
11 follow-up statements
176 WWUS45 KBOU 112141 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 241 PM MST FRI NOV 11 2011 ...POTENT WINTER STORM WILL HIT THE NORTHERN COLORADO MOUNTAINS THIS WEEKEND... .A STRONG STORM SYSTEM OVER THE PACIFIC NORTHWEST WILL MOVE SOUTHEAST INTO THE NORTHERN AND CENTRAL ROCKIES THIS WEEKEND. SNOW AND WINDS WILL INCREASE SIGNIFICANTLY OVER THE MOUNTAINS ON SATURDAY...WITH THE HEAVIEST SNOW AND NEAR BLIZZARD CONDITIONS EXPECTED LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. THERE WILL BE A LULL IN THE STORM LATE SATURDAY NIGHT...BUT ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY. PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR VERY HAZARDOUS AND SLOW DRIVING CONDITIONS. POOR VISIBILITIES WILL OCCUR WITH NEAR WHITEOUT CONDITIONS POSSIBLE AT TIMES ON THE HIGHER MOUNTAIN PASSES. THIS WOULD INCLUDE I-70 AND THE APPROACHES TO THE EISENHOWER TUNNEL AND VAIL PASS...HIGHWAY 6 OVER LOVELAND PASS...AND HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS PASS. CHAIN LAWS WILL LIKELY BE REQUIRED FOR SEMI-TRAILERS AND BUSES OVER THE HIGHER MOUNTAIN PASSES. COZ031-033-034-120545- /O.CON.KBOU.WS.W.0014.111112T1900Z-111114T0700Z/ 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 241 PM MST FRI NOV 11 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MST SUNDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MST SUNDAY NIGHT. * TIMING...SNOW WILL DEVELOP OVER THE MOUNTAINS ON SATURDAY MORNING...WITH HEAVIER AND MORE WIDESPREAD SNOW FROM LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. AFTER A BRIEF LULL IN THE STORM LATE SATURDAY NIGHT...ANOTHER PERIOD OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP ON SUNDAY. THE SNOW IS FINALLY EXPECTED TO DECREASE SUNDAY NIGHT. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET POSSIBLE IN THE SIERRA MADRE MOUNTAINS AND RABBIT EARS PASS AREA. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO SATURDAY NIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-120545- /O.CON.KBOU.WW.Y.0042.111112T2200Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 241 PM MST FRI NOV 11 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY. * TIMING...SNOW WILL BECOME MORE WIDESPREAD IN THE HIGH MOUNTAIN VALLEYS SATURDAY AFTERNOON. THE SNOW MAY BE BRIEFLY HEAVY INTO SATURDAY EVENING BEFORE DECREASING. ANOTHER ROUND OF SNOW IS THEN EXPECTED SUNDAY BEFORE DIMINISHING LATE SUNDAY AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. THEN WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ KRIEDERMAN/BARJENBRUCH
233 WWUS45 KBOU 120354 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 854 PM MST FRI NOV 11 2011 ...POTENT WINTER STORM WILL HIT THE NORTHERN COLORADO MOUNTAINS THIS WEEKEND... .A STRONG STORM SYSTEM OVER THE PACIFIC NORTHWEST WILL MOVE SOUTHEAST INTO THE NORTHERN AND CENTRAL ROCKIES THIS WEEKEND. SNOW AND WINDS WILL INCREASE SIGNIFICANTLY OVER THE MOUNTAINS BY SATURDAY AFTERNOON...WITH THE HEAVIEST SNOW AND NEAR BLIZZARD CONDITIONS EXPECTED SATURDAY EVENING. THERE WILL BE A LULL IN THE STORM LATE SATURDAY NIGHT...BUT ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY. PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR VERY HAZARDOUS AND SLOW DRIVING CONDITIONS. POOR VISIBILITIES WILL OCCUR WITH NEAR WHITEOUT CONDITIONS POSSIBLE AT TIMES ON THE HIGHER MOUNTAIN PASSES. THIS WOULD INCLUDE I-70 AND THE APPROACHES TO THE EISENHOWER TUNNEL AND VAIL PASS...HIGHWAY 6 OVER LOVELAND PASS...AND HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS PASS. CHAIN LAWS WILL LIKELY BE REQUIRED FOR SEMI-TRAILERS AND BUSES OVER THE HIGHER MOUNTAIN PASSES. COZ031-033-034-121200- /O.CON.KBOU.WS.W.0014.111112T1900Z-111114T0700Z/ 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 854 PM MST FRI NOV 11 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MST SUNDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON SATURDAY TO MIDNIGHT MST SUNDAY NIGHT. * TIMING...SNOW WILL DEVELOP OVER THE MOUNTAINS BY MIDDAY SATURDAY...WITH HEAVIER AND MORE WIDESPREAD SNOW SATURDAY EVENING. AFTER A BRIEF LULL IN THE STORM LATE SATURDAY NIGHT...ANOTHER PERIOD OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP ON SUNDAY. THE SNOW IS FINALLY EXPECTED TO DECREASE SUNDAY NIGHT. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET POSSIBLE IN THE SIERRA MADRE MOUNTAINS AND RABBIT EARS PASS AREA. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO SATURDAY NIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-121200- /O.CON.KBOU.WW.Y.0042.111112T2200Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 854 PM MST FRI NOV 11 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM SATURDAY TO 5 PM MST SUNDAY. * TIMING...SNOW WILL BECOME MORE WIDESPREAD IN THE HIGH MOUNTAIN VALLEYS LATE SATURDAY AFTERNOON. THE SNOW MAY BE BRIEFLY HEAVY INTO SATURDAY EVENING BEFORE DECREASING. ANOTHER ROUND OF SNOW IS THEN EXPECTED SUNDAY BEFORE DIMINISHING LATE SUNDAY AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. THEN WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
876 WWUS45 KBOU 121108 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 408 AM MST SAT NOV 12 2011 ...POTENT WINTER STORM WILL HIT THE NORTHERN COLORADO MOUNTAINS THIS WEEKEND... .A STRONG STORM SYSTEM OVER THE PACIFIC NORTHWEST WILL MOVE SOUTHEAST INTO THE NORTHERN AND CENTRAL ROCKIES THIS WEEKEND. SNOW AND WINDS WILL INCREASE SIGNIFICANTLY OVER THE MOUNTAINS BY SATURDAY AFTERNOON...WITH THE HEAVIEST SNOW AND NEAR BLIZZARD CONDITIONS EXPECTED SATURDAY EVENING. THERE WILL BE A LULL IN THE STORM LATE SATURDAY NIGHT...BUT ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY. PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY THIS WEEKEND SHOULD BE PREPARED FOR VERY HAZARDOUS AND SLOW DRIVING CONDITIONS. POOR VISIBILITIES WILL OCCUR WITH NEAR WHITEOUT CONDITIONS POSSIBLE AT TIMES ON THE HIGHER MOUNTAIN PASSES. THIS WOULD INCLUDE I-70 AND THE APPROACHES TO THE EISENHOWER TUNNEL AND VAIL PASS...HIGHWAY 6 OVER LOVELAND PASS...AND HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS PASS. CHAIN LAWS WILL LIKELY BE REQUIRED FOR SEMI-TRAILERS AND BUSES OVER THE HIGHER MOUNTAIN PASSES. COZ031-033-034-121900- /O.CON.KBOU.WS.W.0014.111112T1900Z-111114T0700Z/ 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...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 408 AM MST SAT NOV 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT MST SUNDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT FROM NOON TODAY TO MIDNIGHT MST SUNDAY NIGHT. * TIMING...SNOW WILL DEVELOP OVER THE MOUNTAINS SATURDAY...WITH HEAVIER AND MORE WIDESPREAD SNOW SATURDAY EVENING. AFTER A BRIEF LULL IN THE STORM LATE SATURDAY NIGHT... ANOTHER PERIOD OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP ON SUNDAY. THE SNOW IS FINALLY EXPECTED TO DECREASE SUNDAY NIGHT. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET POSSIBLE IN THE SIERRA MADRE MOUNTAINS AND RABBIT EARS PASS AREA. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO SATURDAY NIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-121900- /O.CON.KBOU.WW.Y.0042.111112T2200Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN... DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS... KREMMLING 408 AM MST SAT NOV 12 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 PM MST SUNDAY. * TIMING...SNOW WILL BECOME MORE WIDESPREAD IN THE HIGH MOUNTAIN VALLEYS LATE SATURDAY AFTERNOON. THE SNOW MAY BE BRIEFLY HEAVY INTO SATURDAY EVENING BEFORE DECREASING. ANOTHER ROUND OF SNOW IS THEN EXPECTED SUNDAY BEFORE DIMINISHING LATE SUNDAY AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS LATE SATURDAY AFTERNOON INTO SATURDAY EVENING. THE WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
424 WWUS45 KBOU 121745 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1045 AM MST SAT NOV 12 2011 ...POTENT WINTER STORM MOVING INTO THE MOUNTAINS... .A STRONG PACIFIC STORM SYSTEM WILL MOVE ACROSS COLORADO THIS EVENING. AHEAD OF THIS SYSTEM...SNOW WILL INCREASE IN COVERAGE AND INTENSITY ACROSS THE MOUNTAINS THROUGH THE AFTERNOON HOURS. CONDITIONS WILL THEN DETERIORATE RAPIDLY BY OR JUST BEFORE SUNSET WITH A PERIOD OF HEAVY SNOWFALL AND NEAR BLIZZARD CONDITIONS DEVELOPING. THE WORST CONDITIONS ARE EXPECTED TO OCCUR BETWEEN 5 AND 10 PM THIS EVENING. WHILE THERE WILL BE A LULL IN THE STORM LATE TONIGHT...ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY. PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY SHOULD BE PREPARED FOR VERY HAZARDOUS AND SLOW DRIVING CONDITIONS. POOR VISIBILITIES WILL OCCUR WITH NEAR WHITEOUT CONDITIONS POSSIBLE AT TIMES ON THE HIGHER MOUNTAIN PASSES. THIS INCLUDES I-70 AND THE APPROACHES TO THE EISENHOWER TUNNEL AND VAIL PASS...HIGHWAY 6 OVER LOVELAND PASS...AND HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS PASS. CHAIN LAWS WILL BE REQUIRED FOR SEMI-TRAILERS AND BUSES OVER THE HIGHER MOUNTAIN PASSES. COZ031-033-034-130100- /O.CON.KBOU.WS.W.0014.111112T1900Z-111114T0700Z/ 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 1045 AM MST SAT NOV 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST SUNDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST SUNDAY NIGHT. * TIMING...SNOW WILL BECOME MORE WIDESPREAD AND HEAVIER ACROSS THE MOUNTAINS THIS AFTERNOON...WITH THE HEAVIEST SNOWFALL EXPECTED BETWEEN 5 AND 10 PM WHEN SNOWFALL RATES IN EXCESS OF 1 INCH PER HOUR WILL BE POSSIBLE. AFTER A LULL IN THE STORM OVERNIGHT... ANOTHER PERIOD OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP ON SUNDAY. THE SNOW IS FINALLY EXPECTED TO DECREASE SUNDAY NIGHT. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 7 TO 15 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET POSSIBLE IN THE SIERRA MADRE MOUNTAINS AND RABBIT EARS PASS AREA. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO TONIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-130100- /O.CON.KBOU.WW.Y.0042.111112T2200Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1045 AM MST SAT NOV 12 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 3 PM THIS AFTERNOON TO 5 PM MST SUNDAY. * TIMING...SNOW WILL DEVELOP AND BECOME MORE WIDESPREAD ACROSS THE HIGH MOUNTAIN VALLEYS THIS AFTERNOON. THE SNOW MAY BE BRIEFLY HEAVY BETWEEN 5 AND 10 PM THIS EVENING BEFORE DECREASING OVERNIGHT. ANOTHER ROUND OF SNOW IS THEN EXPECTED SUNDAY BEFORE DIMINISHING BY SUNDAY EVENING. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS BY EARLY THIS EVENING. THE WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BARJENBRUCH/KRIEDERMAN
889 WWUS45 KBOU 122206 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 306 PM MST SAT NOV 12 2011 ...POTENT WINTER STORM MOVING INTO THE MOUNTAINS... .A STRONG PACIFIC STORM SYSTEM WILL MOVE ACROSS COLORADO THIS EVENING. SNOW HAS ALREADY DEVELOPED IN THE MOUNTAINS...BUT CONDITIONS WILL THEN DETERIORATE RAPIDLY BY OR SHORTLY AFTER SUNSET WITH A PERIOD OF HEAVY SNOWFALL AND NEAR BLIZZARD CONDITIONS DEVELOPING. THE WORST CONDITIONS ARE EXPECTED TO OCCUR BETWEEN 5 AND 10 PM THIS EVENING. THESE HAZARDOUS CONDITIONS WILL FIRST DEVELOP IN THE RABBIT EARS PASS AREA AND THEN SPREAD EAST AND SOUTHEAST INTO THE FRONT RANGE MOUNTAINS BETWEEN 6 PM AND 10 PM. WHILE THERE WILL BE A LULL IN THE STORM LATE TONIGHT...ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY. PERSONS PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY SHOULD BE PREPARED FOR VERY HAZARDOUS AND SLOW DRIVING CONDITIONS. POOR VISIBILITIES WILL OCCUR WITH NEAR WHITEOUT CONDITIONS POSSIBLE AT TIMES ON THE HIGHER MOUNTAIN PASSES. THIS INCLUDES I-70 AND THE APPROACHES TO THE EISENHOWER TUNNEL AND VAIL PASS...HIGHWAY 6 OVER LOVELAND PASS...AND HIGHWAY 40 OVER BERTHOUD PASS AND RABBIT EARS PASS. CHAIN LAWS WILL BE REQUIRED FOR SEMI-TRAILERS AND BUSES OVER THE HIGHER MOUNTAIN PASSES. COZ031-033-034-130615- /O.CON.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ 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 306 PM MST SAT NOV 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST SUNDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST SUNDAY NIGHT. * TIMING...SNOW WILL BECOME MORE WIDESPREAD AND HEAVIER ACROSS THE MOUNTAINS THIS EVENING...WITH THE HEAVIEST SNOWFALL EXPECTED BETWEEN 5 AND 10 PM WHEN SNOWFALL RATES IN EXCESS OF 1 INCH PER HOUR WILL BE POSSIBLE. AFTER A LULL IN THE STORM OVERNIGHT... ANOTHER PERIOD OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP ON SUNDAY. THE SNOW IS FINALLY EXPECTED TO DECREASE SUNDAY NIGHT. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 7 TO 15 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET POSSIBLE IN THE SIERRA MADRE MOUNTAINS AND RABBIT EARS PASS AREA. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO TONIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-130615- /O.CON.KBOU.WW.Y.0042.000000T0000Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 306 PM MST SAT NOV 12 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. * TIMING...SNOW WILL DEVELOP AND BECOME MORE WIDESPREAD ACROSS THE HIGH MOUNTAIN VALLEYS EARLY THIS EVENING. THE SNOW MAY BE BRIEFLY HEAVY BETWEEN 6 AND 10 PM THIS EVENING BEFORE DECREASING OVERNIGHT. ANOTHER ROUND OF SNOW IS THEN EXPECTED SUNDAY BEFORE DIMINISHING AGAIN BY SUNDAY EVENING. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS BY EARLY THIS EVENING. THE WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ BARJENBRUCH
917 WWUS45 KBOU 130415 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 915 PM MST SAT NOV 12 2011 ...POTENT WINTER STORM MOVING INTO THE MOUNTAINS... .THE LATEST STORM IS BRINGING SNOW AND STRONG WINDS TO THE MOUNTAINS AT THIS TIME. THERE MAY BE A LULL IN THE STORM LATER TONIGHT...BUT LIGHT SNOW IS STILL EXPECTED TO CONTINUE. ANOTHER ROUND OF HEAVIER SNOWFALL IS EXPECTED TO DEVELOP SUNDAY MORNING AND CONTINUE THROUGH MID AFTERNOON BEFORE DECREASING AGAIN. COZ031-033-034-131215- /O.CON.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ 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 915 PM MST SAT NOV 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST SUNDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST SUNDAY NIGHT. * TIMING...LIGHT TO MODERATE SNOW WILL CONTINUE OVERNIGHT ...BECOMING HEAVIER BY JUST AFTER SUNRISE SUNDAY MORNING. SNOWFALL WILL DECREASE LATE SUNDAY AFTERNOON AND EVENING. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 7 TO 15 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL DROP BELOW ZERO TONIGHT AND REMAIN DANGEROUSLY COLD THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE BY MONDAY. 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. && $$ COZ030-032-131215- /O.CON.KBOU.WW.Y.0042.000000T0000Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 915 PM MST SAT NOV 12 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST SUNDAY. * TIMING...SNOW WILL CONTINUE TONIGHT THROUGH SUNDAY. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS BY EARLY THIS EVENING. THE WINDS ARE EXPECTED TO GRADUALLY DECREASE THROUGH SUNDAY. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
156 WWUS45 KBOU 131141 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 441 AM MST SUN NOV 13 2011 ...PART TWO OF WINTER STORM TO MOVE INTO THE MOUNTAINS THIS MORNING... . ANOTHER ROUND OF HEAVIER SNOWFALL WILL DEVELOP THIS MORNING AND CONTINUE THROUGH MID AFTERNOON. STRONG WEST TO NORTHWEST WINDS WILL CREATE BLOWING AND DRIFTING SNOW...ESPECIALLY OVER THE HIGHER AREAS. ADDITIONAL SNOW AMOUNTS OF 4 TO 8 INCHES WILL BE POSSIBLE OVER THE NORTHERN MOUNTAINS WITH 2 TO 6 INCHES POSSIBLE ALONG INTERSTATE 70. COZ031-033-034-132300- /O.CON.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ 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 441 AM MST SUN NOV 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * TIMING...SNOW WILL INCREASE THIS MORNING AND CONTINUE INTO THE MID AFTERNOON. SNOWFALL WILL DECREASE LATE SUNDAY AFTERNOON AND EVENING. * ACCUMULATION/WIND...TOTAL STORM ACCUMULATIONS OF 7 TO 14 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME IMPASSABLE DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS AND ROAD CLOSURES WILL BE POSSIBLE. ROADS WILL BE ICY AND SNOWPACKED. * OTHER IMPACTS...WIND CHILL READINGS WILL BE BELOW ZERO THROUGH SUNDAY NIGHT. FROSTBITE WILL BE POSSIBLE IF EXPOSED SKIN IS LEFT UNPROTECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE MONDAY. 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. && $$ COZ030-032-132300- /O.CON.KBOU.WW.Y.0042.000000T0000Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 441 AM MST SUN NOV 13 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL INCREASE THIS MORNING AND CONTINUE INTO THE MID AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS THIS MORNING AND EARLY THIS AFTERNOON. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
217 WWUS45 KBOU 131758 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1058 AM MST SUN NOV 13 2011 ...SNOW AND WIND TO CONTINUE OVER THE MOUNTAINS BEFORE DIMINISHING THIS EVENING... .STEADY SNOW WILL CONTINUE THROUGH MID AFTERNOON THEN BECOME SHOWERY IN NATURE WITH SNOW RATES DECREASING. STRONG WEST TO NORTHWEST WINDS WILL CREATE BLOWING AND DRIFTING SNOW...ESPECIALLY OVER THE HIGHER AREAS. ADDITIONAL SNOW AMOUNTS OF 4 TO 8 INCHES WILL BE POSSIBLE OVER THE NORTHERN MOUNTAINS WITH 2 TO 5 INCHES POSSIBLE ALONG INTERSTATE 70. COZ031-033-034-140200- /O.CON.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ 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 1058 AM MST SUN NOV 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * TIMING...SNOW WILL CONTINUE INTO THE MID AFTERNOON..DECREASING LATE AFTERNOON AND EVENING. * ACCUMULATION/WIND...TOTAL STORM ACCUMULATIONS OF 7 TO 14 INCHES CAN BE EXPECTED WITH LOCALLY HIGHER AMOUNTS UP TO 2 FEET OVER WEST FACING SLOPES OF JACKSON AND GRAND COUNTIES. WEST WINDS OF 30 TO 40 MPH WILL GUST UP TO 70 MPH ABOVE TIMBERLINE. * MAIN IMPACT...HIGH MOUNTAIN PASSES MAY BECOME HAZARDOUS AT TIMES DUE TO THE HEAVY SNOW AND STRONG WINDS. NEAR BLIZZARD CONDITIONS WILL BE POSSIBLE WITH ICY AND SNOWPACKED ROADS. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL WILL BE EXTREMELY DANGEROUS AND IS DISCOURAGED DUE TO SNOW AND BLOWING SNOW AND POSSIBLE WHITEOUT CONDITIONS. CONSIDER DELAYING TRAVEL UNTIL CONDITIONS IMPROVE MONDAY. 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. && $$ COZ030-032-140000- /O.CON.KBOU.WW.Y.0042.000000T0000Z-111114T0000Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...GOULD...NORTH PARK...RAND...SPICER... WALDEN...DILLON...FRASER...GRANBY...GRAND LAKE... HOT SULPHUR SPRINGS...KREMMLING 1058 AM MST SUN NOV 13 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST THIS AFTERNOON. * TIMING...SNOW WILL CONTINUE INTO THE MID AFTERNOON. * ACCUMULATION/WIND...TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED. WEST WINDS OF 20 TO 30 MPH WITH GUSTS IN EXCESS OF 40 MPH MAY PRODUCE NEAR BLIZZARD CONDITIONS IN OPEN AREAS EARLY THIS AFTERNOON. * MAIN IMPACT...SNOW AND BLOWING SNOW WILL PRODUCE POOR VISIBILITIES AT TIMES...ESPECIALLY IN OPEN AREAS. ICY AND SNOWPACKED ROADS WILL ALSO CREATE HAZARDOUS DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT SNOW AND BLOWING SNOW WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
831 WWUS45 KBOU 132316 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 416 PM MST SUN NOV 13 2011 ...LESS SNOW BUT STILL WINDY IN THE MOUNTAINS THIS EVENING... .SNOW SHOWERS WILL CONTINUE OVER THE HIGHER MOUNTAINS OF NORTH CENTRAL COLORADO THIS EVENING. THE SNOW WILL GENERALLY BE LIGHT BUT THERE WILL STILL BE SOME HEAVIER SHOWERS. STRONG WEST TO NORTHWEST WINDS WILL CREATE BLOWING AND DRIFTING SNOW IN EXPOSED HIGHER AREAS. COZ030-032-140030- /O.CAN.KBOU.WW.Y.0042.000000T0000Z-111114T0000Z/ 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 416 PM MST SUN NOV 13 2011 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE WINTER WEATHER ADVISORY. SCATTERED LIGHT SNOW SHOWERS WILL CONTINUE TO DIMINISH THIS EVENING WITH LITTLE OR NO ADDITIONAL ACCUMULATION. $$ COZ031-033-034-140700- /O.CON.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 416 PM MST SUN NOV 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * TIMING...SNOW SHOWERS WILL GRADUALLY DIMINISH THIS EVENING. * ACCUMULATION/WIND...ADDITIONAL ACCUMULATIONS OF UP TO 3 INCHES ARE EXPECTED THIS EVENING...WITH THE HEAVIEST AMOUNTS AROUND RABBIT EARS AND CAMERON PASSES. THIS WILL GIVE TOTAL STORM ACCUMULATIONS OF 6 TO 12 INCHES WITH UP TO 2 FEET IN THE PARK AND SIERRA MADRE RANGES. WEST WINDS OF 20 TO 35 MPH WILL GUST UP TO 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...AREAS OF SNOWPACKED ROADS AND BLOWING SNOW CAN BE EXPECTED OVER THE HIGH MOUNTAIN PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. && $$ GIMMESTAD
432 WWUS45 KBOU 140352 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 852 PM MST SUN NOV 13 2011 ...SNOW SHOWERS CONTINUING IN THE MOUNTAINS THIS EVENING... .ONE LAST ROUND OF HEAVY SNOW SHOWERS WILL MOVE ACROSS THE MOUNTAINS OF NORTH CENTRAL COLORADO DURING THE LATE EVENING. THE AREA OF HEAVIEST SNOW WILL MOVE ACROSS BERTHOUD PASS...THE EISENHOWER TUNNEL...AND VAIL PASS WITH SNOW DIMINISHING IN AREAS FURTHER NORTH. THE HEAVIER SHOWERS WILL END BY MIDNIGHT. STRONG WEST TO NORTHWEST WINDS WILL CREATE BLOWING AND DRIFTING SNOW IN EXPOSED HIGHER AREAS. COZ031-033-034-140700- /O.CON.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ 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 852 PM MST SUN NOV 13 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. * TIMING...SNOW SHOWERS WILL DIMINISH FROM NORTH TO SOUTH BY MIDNIGHT. * ACCUMULATION/WIND...ADDITIONAL ACCUMULATIONS OF UP TO 3 INCHES ARE EXPECTED THIS EVENING. THIS WILL GIVE TOTAL STORM ACCUMULATIONS OF 6 TO 12 INCHES WITH UP TO 2 FEET IN THE PARK AND SIERRA MADRE RANGES. WEST WINDS OF 20 TO 35 MPH WILL GUST UP TO 60 MPH ABOVE TIMBERLINE. * MAIN IMPACT...AREAS OF SNOWPACKED ROADS AND BLOWING SNOW CAN BE EXPECTED OVER THE HIGH MOUNTAIN PASSES. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVELERS SHOULD BE PREPARED FOR WINTER DRIVING CONDITIONS. && $$ GIMMESTAD
594 WWUS45 KBOU 140700 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1200 AM MST MON NOV 14 2011 COZ031-033-034-140800- /O.EXP.KBOU.WS.W.0014.000000T0000Z-111114T0700Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING THE CITIES OF... EAST SLOPES PARK AND NORTHERN GORE RANGES...GORE PASS... RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1200 AM MST MON NOV 14 2011 ...WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MST TONIGHT... THE WINTER STORM WARNING WILL EXPIRE AT MIDNIGHT MST TONIGHT. * TIMING...THE LIGHT SNOWFALL UP ALONG THE CONTINENTAL DIVIDE WILL GRADUALLY DECREASE NOW THROUGH 2 AM. * ACCUMULATION/WIND...ANY NEW SNOW ACCUMULATION SHOULD BE MINIMAL AND MAINLY CONFINED TO WEST FACING SLOPES ABOVE 10 THOUSAND FEET. WINDS WILL ALSO DIMINISH BUT MAY STILL GUST TO 35 TO 45 MPH OVER THE HIGH PASSES POSSIBLY CAUSING SOME BLOWING SNOW. * MAIN IMPACT...MANY ROADS IN THE HIGH COUNTRY REMAIN ICY AND SNOW PACKED DUE TO THE HEAVIER SNOWFALL AND BLOWING SNOW DURING THE DAY SUNDAY. DRIVING CONDITIONS SHOULD IMPROVE OVERNIGHT WITH THE DECREASED SNOWFALL AND WINDS. $$ 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 Nov 11, 10:13 AM MST, 10 minutes earlier.
Area forecast discussion, Nov 11, 10:13 AM MST, 10 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 1013 AM MST FRI NOV 11 2011 .UPDATE...EXPECTING SNOW TO BEGIN OVER THE HIGHER TERRAIN AFTER MIDNIGHT TONIGHT WITH GENERALLY LIGHT AMOUNTS...THEN SNOW RATES ARE EXPECTED TO INCREASE TOMORROW AFTERNOON AS THE UPPER DISTURBANCE NEARS. STRONG OROGRAPHIC FORCING AS WELL AS DYNAMIC FORCING FROM THE DISTURBANCE IS EXPECTED TO BRING HEAVIER SNOWFALL BEGINNING LATE TOMORROW AFTERNOON INTO THE EVENING. 6 TO 12 INCHES WILL BE EXPECTED TOMORROW OVER THE MOUNTAINS OF WESTERN GRAND AND JACKSON COUNTIES...WITH AMOUNTS OF 4 TO 8 INCHES OVER THE REST OF THE WESTERN FACES OF THE NORTHERN AND CENTRAL MOUNTAINS. ENOUGH DYNAMICAL FORCING SHOULD BRING 2 TO 4 INCHES TO THE NORTH AND MIDDLE PARKS. THEREFORE HAVE DECIDED TO UPGRADE THE WINTER STORM WATCH TO A WARNING THROUGH SUNDAY NIGHT. WINDS IN EXCESS OF 40 MPH WITH GUSTS UP TO 75 MPH WILL CAUSE EXTENDED PERIODS OF BLIZZARD CONDITIONS ABOVE TREE LINE. THESE HIGHER WINDS HAVE THE POTENTIAL TO DIG FURTHER DOWN OVER THE PASSES AT TIMES TO CAUSE BLIZZARD CONDITIONS FOR A SHORT TIME. SNOW IS EXPECTED TO GO INTO A LULL SATURDAY NIGHT BEFORE PICKING BACK UP SUNDAY FOR A SECOND WAVE OF HEAVIER SNOW. EXPECT SNOW TOTALS TO BE SOMEWHERE AROUND 12 TO 24 INCHES FOR THE MOUNTAINS NEAR RABBIT EARS PASS AND STEAMBOAT...WITH 8 TO 16 INCHES FOR THE REST OF THE NORTHERN AND CENTRAL MOUNTAINS AND 3 TO 6 INCHES OVER NORTH AND MIDDLE PARKS. THE HIGHEST AMOUNTS WILL BE FOUND ON THE WESTERN SLOPES. WINDS SHOULD BE DYING DOWN SUNDAY...MAY NEED TO EXTEND CURRENT HIGH WIND WARNING A BIT LONGER. && .AVIATION...WILL BE INCREASING WINDS FOR SATURDAY FOR THE 18Z PACKAGE. OTHERWISE NO BIG CHANGES EXPECTED. VFR CONDITIONS CAN BE EXPECTED...WITH JUST SOME SCT-BKN HIGH CLOUDS FROM A STANDING WAVE CLOUD TODAY. A SURFACE TROUGH EAST OF THE DENVER THIS MORNING IS EXPECTED TO SHIFT WESTWARD CLOSER TO THE FRONT RANGE THIS AFTERNOON. AS A RESULT...THE SURFACE WINDS SHOULD HAVE AN EASTERLY COMPONENT AT KDEN AND KAPA LATER TODAY...WITH SPEEDS LESS THAT 10 KTS. AT KBJC WITH A WESTERLY WIND COMPONENT WILL PREVAIL. STRONG WEST WINDS ARE EXPECTED SATURDAY. && .PREV DISCUSSION... /ISSUED 720 AM MST FRI NOV 11 2011/ SHORT TERM...A MODERATE NORTHWESTERLY FLOW WILL BE OVER COLORADO TODAY WITH THE UPPER LEVEL RIDGE OVERHEAD. GUSTY WINDS ALONG THE FOOTHILLS THIS MORNING WILL LET UP AS A SURFACE TROUGH SETTLES ALONG THE URBAN CORRIDOR. TEMPERATURES TODAY WILL BE ABOVE SEASONAL NORMALS WITH HIGHS IN THE LOWER 60S AT DENVER. FOR TONIGHT...MAIN CONCERN WILL BE THE ONSET OF HIGH WINDS. MAIN CHANGE TO THE FORECAST WAS TO UPGRADE THE HIGH WIND WATCH TO A WARNING AFTER MIDNIGHT TONIGHT. THE NAM12 SPATIAL CROSS SECTION REDEVELOPS THE AMPLIFIED MOUNTAIN WAVE TONIGHT WITH ITS 700 MB CROSS-MOUNTAIN WIND COMPONENT INCREASING FM 50 KTS AT 06Z TONIGHT TO 70 KTS BY 12Z SATURDAY MORNING. THE CHANCE OF SNOW WILL INCREASE AS WELL...ESPECIALLY IN ZONE 31 AFTER MIDNIGHT. LONG TERM...STRONG FAST MOVING TROUGH WILL MOVE ACROSS THE NORTHERN ROCKIES SATURDAY AND THE NORTHERN PLAINS SATURDAY NIGHT. A WESTERLY FLOW SATURDAY WILL SHIFT NORTHWEST AS THE TROUGH PASSES TO THE NORTH. THIS SYSTEM WILL ALSO PUSH A COLD FRONT THROUGH NORTHEAST COLORADO EARLY SATURDAY EVENING. STRONG WEST WINDS WILL DEVELOP AHEAD OF IT SATURDAY AND THEN BECOME NORTHWEST BEHIND THE FRONT. RIDGE TOP WINDS BECOME VERY STRONG SATURDAY NIGHT AS 600 MB WINDS ARE FORECASTED TO BE 70-90 KNOTS. DIFFICULT TO SAY IF A MOUNTAIN WAVE WILL FORM CAUSING THESE WINDS TO AFFECT LOWER ELEVATIONS. SNOW WILL MOVE INTO THE NORTH CENTRAL MOUNTAINS SATURDAY MORNING AND BECOME WIDESPREAD BEHIND THE FRONT BY SATURDAY EVENING. WITH THE FORECASTED WINDS...BLIZZARD CONDITIONS WILL OCCUR ABOVE TREE LINE SATURDAY NIGHT. IF THESE CONDITIONS SPREAD DOWN TO AFFECT THE PASSES WOULD HOIST A BLIZZARD WARNING. HEAVIEST SNOW TO FALL NORTH OF INTERSTATE 70. WILL BE DIFFICULT TO DETERMINE HOW MUCH FALL BUT EXPECT TOTALS TO BE LESS THAN 12 INCHES. WITH THE WIDESPREAD SNOW NOT BEGINNING UNTIL LATE SATURDAY AFTERNOON OR EARLY EVENING WILL LEAVE THE WINTER STORM WATCH AS IS FOR NOW. BIGGEST QUESTION IS LOOKING TO BE WHETHER TO GO WITH A BLIZZARD WARNING OR WINTER STORM WARNING. NORTHWEST FLOW ALOFT WILL PERSIST SUNDAY AND INTO THE EARLY NEXT WEEK. STRONG WINDS ALOFT WILL CONTINUE TO BRING WINDY CONDITIONS TO THE MOUNTAINS AND FOOTHILLS. THERE SHOULD BE ENOUGH MOISTURE EMBEDDED IN THE FLOW ALOFT TO PRODUCE SOME OROGRAPHIC SNOW ON WEST TO NORTHWEST FACING SLOPES THROUGH TUESDAY. TEMPERATURES SUNDAY AND EARLY NEXT WEEK WILL BE NEAR NORMAL TO SLIGHTLY BELOW NORMAL. WEAK RIDGE TO MOVE ACROSS THE REGION WEDNESDAY AND THURSDAY IN THE STRONG FLOW ALOFT. THIS WILL CAUSE THE WIND DIRECTION TO SHIFT TO THE WEST. ANY OROGRAPHIC SNOW SHOULD COME TO AN END BY WEDNESDAY AS THE AIRMASS DRIES. TEMPERATURES WILL BE NEAR NORMAL UNDER THIS PATTERN. AVIATION...SOUTHWEST WINDS WILL CONTINUE THIS MORNING...SOME ENHANCED DRAINAGE WINDS ARE STILL POSSIBLE WITH SPEEDS OF 10-15 KTS THROUGH 15Z. VFR CONDITIONS CAN BE EXPECTED...WITH JUST SOME SCT-BKN HIGH CLOUDS FROM A STANDING WAVE CLOUD THIS MORNING. A SURFACE TROUGH THAT WAS EAST OF THE DENVER AREA EARLY THIS MORNING IS EXPECTED TO SHIFT WESTWARD CLOSER TO THE FRONT RANGE BY THIS AFTERNOON. AS A RESULT...THE SURFACE WINDS SHUD HAVE AN EASTERLY COMPONENT AT DENVER INTERNATIONAL AND CENTENNIAL AIRPORTS LATER TODAY...WITH SPEEDS LESS THAT 10 KTS. AT KBJC WITH A WESTERLY WIND COMPONENT WILL PREVAIL. && .BOU WATCHES/WARNINGS/ADVISORIES... HIGH WIND WARNING FOR FRONT RANGE FOOTHILLS AND ADJACENT WESTERN PLAINS FROM MIDNIGHT TONIGHT TO 6 PM MST SATURDAY FOR COZ035-036-038-039. WINTER STORM WARNING FOR THE NORTHERN AND CENTRAL MOUNTAINS FROM NOON SATURDAY TO MIDNIGHT MST SUNDAY NIGHT FOR COZ031-033-034. WINTER WEATHER ADVISORY FOR NORTH AND MIDDLE PARKS FROM 3 PM SATURDAY TO 5 PM MST SUNDAY FOR COZ030-032. && SHORT TERM...KRIEDERMAN LONG TERM....BARJENBRUCH AVIATION...KRIEDERMAN
Hazardous weather outlook, Nov 11, 4:44 AM MST, 5 hours 39 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 444 AM MST FRI NOV 11 2011 COZ030>051-111800- 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- 444 AM MST FRI NOV 11 2011 ...HIGH WIND WARNING FOR AREAS IN AND NEAR THE FRONT RANGE FOOTHILLS LATE TONIGHT AND SATURDAY... ...WINTER STORM WATCH IN EFFECT FOR THE NORTH CENTRAL MOUNTAINS FOR SATURDAY AND SUNDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT IT WILL BE DRY AND WARM TODAY WITH TEMPERATURES CLIMBING TO AROUND 60 THIS AFTERNOON. VERY STRONG WINDS WILL DEVELOP IN AND NEAR THE FOOTHILLS LATE TONIGHT AHEAD OF AN APPROACHING STORM SYSTEM. STRONG WIND GUSTS IN EXCESS OF 75 MPH CAN BE EXPECTED AFTER MIDNIGHT. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY STRONG WEST TO SOUTHWEST WINDS WILL SPREAD EAST ONTO THE PLAINS SATURDAY. SNOW WILL INCREASE DURING THE DAY SATURDAY OVER THE MOUNTAINS AS A COLD FRONT MOVES ACROSS THE STATE. THIS FRONT WILL PUSH THROUGH THE AREA SATURDAY AFTERNOON AND EVENING...CAUSING THE STRONG WINDS TO SHIFT TO THE NORTHWEST. SNOW COMBINED WITH THE STRONG WINDS WILL CAUSE CONSIDERABLE BLOWING AND DRIFTING SNOW WITH BLIZZARD CONDITIONS POSSIBLE IN THE MOUNTAINS...ESPECIALLY ABOVE TREE LINE. NORTHWEST FLOW ALOFT WILL CONTINUE TO THE BRING WINDY CONDITIONS TO THE MOUNTAINS AND FOOTHILLS SATURDAY NIGHT ALL THE WAY THROUGH TUESDAY. THIS FLOW WILL ALSO BRING SNOW SHOWERS TO NORTHWEST FACING SLOPES THROUGH TUESDAY. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. COOPER/MEIER
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 11, 3:04 AM MST | High Wind Warning | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more | 51 hr |
| Nov 11, 10:23 AM MST | Winter Weather Advisory | BOU | Grand, Jackson, Summit | 54 hr |
Nearby
Winter Storm Warnings in Colorado, 2011Every winter storm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.