Alert archive / Colorado / Winter Storm Warnings in 2007
Winter Storm Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm warning at Feb 15, 2007, 11:38 AM MST for 9 counties in Colorado. It took effect at Feb 16, 2007, 12:00 AM MST. It was in force for 29 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Feb 15, 2007, 11:38 AM MST (18:38 UTC)
- In effect from
- Feb 16, 2007, 12:00 AM MST
- Expired
- Feb 17, 2007, 5:00 AM MST
- In force
- 29 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 18:43 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.
The nearest sounding before it
Denver, CO (KDNR), launched 12:00Z, 6.6 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
- 750 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- 162 m²/s²
- 0-3 km storm-relative helicity
- 453 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS45 KBOU 151838 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1138 AM MST THU FEB 15 2007 COZ031-033-034-160245- /O.UPG.KBOU.WS.A.0001.070216T0700Z-070217T0600Z/ /O.NEW.KBOU.WS.W.0002.070216T0700Z-070217T0600Z/ 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 1138 AM MST THU FEB 15 2007 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 11 PM MST FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 PM MST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW WILL INCREASE ACROSS THE COLORADO NORTH CENTRAL MOUNTAINS AND MAY BECOME HEAVY AT TIMES BEGINNING LATE TONIGHT AND CONTINUING THROUGH FRIDAY EVENING. THE HEAVIEST SNOW IS EXPECTED ON FRIDAY WHEN THE ATMOSPHERE BECOMES MORE UNSTABLE AND AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE AREA. VERY STRONG WINDS...UP TO 70 MPH...WILL CREATE POOR VISIBILITIES AND WHITE-OUT CONDITIONS AT TIMES IN SNOW AND BLOWING SNOW OVER THE HIGH MOUNTAIN PASSES AND IN OPEN OR EXPOSED AREAS. TOTAL NEW SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED BY LATE FRIDAY EVENING. THE HIGHEST AMOUNTS WILL OCCUR ON WEST FACING SLOPES AND OVER THE GORE AND PARK RANGES. THE LOWEST AMOUNTS WILL BE ON MOUNTAIN VALLEY FLOORS AND ACROSS SUMMIT COUNTY. MANY MOUNTAIN HIGHWAYS WILL BECOME ICY AND SNOW-PACKED. CHAINS OR ADEQUATE SNOW TIRES MAY BE REQUIRED ON HIGH MOUNTAIN PASSES INCLUDING INTERSTATE 70 WEST OF DENVER. ALL MOTORISTS ARE URGED TO EXERCISE CAUTION. THE SNOW WILL GRADUALLY DECREASE ON FRIDAY NIGHT. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ LESZCYNSKI
10 follow-up statements
000 WWUS45 KBOU 152301 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 401 PM MST THU FEB 15 2007 COZ031-033-034-160715- /O.EXT.KBOU.WS.W.0002.070216T0700Z-070217T0700Z/ 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 401 PM MST THU FEB 15 2007 ...WINTER STORM WARNING NOW IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT... THE WINTER STORM WARNING IS NOW IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT. SNOW WILL INCREASE ACROSS THE COLORADO NORTH CENTRAL MOUNTAINS AND MAY BECOME HEAVY AT TIMES LATE TONIGHT THROUGH FRIDAY EVENING. THE HEAVIEST SNOW IS EXPECTED ON FRIDAY WHEN THE ATMOSPHERE BECOMES MORE UNSTABLE AND AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE AREA. VERY STRONG WINDS...UP TO 70 MPH...WILL CREATE POOR VISIBILITIES AND WHITE-OUT CONDITIONS AT TIMES IN SNOW AND BLOWING SNOW OVER THE HIGH MOUNTAIN PASSES AND IN OPEN OR EXPOSED AREAS. TOTAL NEW SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED BY LATE FRIDAY EVENING. THE HIGHEST AMOUNTS WILL OCCUR ON WEST FACING SLOPES AND OVER THE GORE AND PARK RANGES. THE LOWEST AMOUNTS WILL BE ON MOUNTAIN VALLEY FLOORS AND ACROSS SUMMIT COUNTY. MANY MOUNTAIN HIGHWAYS WILL BECOME ICY AND SNOW-PACKED. CHAINS OR ADEQUATE SNOW TIRES MAY BE REQUIRED ON HIGH MOUNTAIN PASSES INCLUDING INTERSTATE 70 WEST OF DENVER. ALL MOTORISTS ARE URGED TO EXERCISE CAUTION. THE SNOW WILL GRADUALLY DECREASE ON FRIDAY NIGHT. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KBOU 160356 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 856 PM MST THU FEB 15 2007 COZ031-033-034-161200- /O.CON.KBOU.WS.W.0002.070216T0700Z-070217T0700Z/ 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 856 PM MST THU FEB 15 2007 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT... A WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO MIDNIGHT MST FRIDAY NIGHT. SNOW WILL INCREASE ACROSS THE COLORADO NORTH CENTRAL MOUNTAINS OVERNIGHT AND WILL BE HEAVY AT TIMES ON FRIDAY AS THE ATMOSPHERE BECOMES MORE UNSTABLE AND AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE AREA. VERY STRONG WINDS...UP TO 70 MPH...WILL CREATE POOR VISIBILITIES AND WHITE-OUT CONDITIONS AT TIMES IN SNOW AND BLOWING SNOW OVER THE HIGH MOUNTAIN PASSES AND IN OPEN OR EXPOSED AREAS. TOTAL NEW SNOW ACCUMULATIONS OF 8 TO 16 INCHES CAN BE EXPECTED BY LATE FRIDAY EVENING. THE HIGHEST AMOUNTS WILL OCCUR ON WEST FACING SLOPES AND OVER THE GORE AND PARK RANGES. THE LOWEST AMOUNTS WILL BE ON MOUNTAIN VALLEY FLOORS AND ACROSS SUMMIT COUNTY. MANY MOUNTAIN HIGHWAYS WILL BECOME ICY AND SNOW-PACKED. CHAINS OR ADEQUATE SNOW TIRES MAY BE REQUIRED ON HIGH MOUNTAIN PASSES INCLUDING INTERSTATE 70 WEST OF DENVER. ALL MOTORISTS ARE URGED TO EXERCISE CAUTION. THE SNOW WILL GRADUALLY DECREASE ON FRIDAY NIGHT. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. SIGNIFICANT SNOW ACCUMULATIONS ARE OCCURRING OR EXPECTED. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS45 KBOU 161203 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 503 AM MST FRI FEB 16 2007 COZ031-033-034-162015- /O.CON.KBOU.WS.W.0002.000000T0000Z-070217T0700Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...EAST SLOPES PARK AND NORTHERN GORE RANGES... GORE PASS...RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 503 AM MST FRI FEB 16 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. SNOW WILL BE HEAVY AT TIMES TODAY AS THE ATMOSPHERE BECOMES MORE UNSTABLE AND AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE AREA. VERY STRONG WEST TO NORTHWEST WINDS AT 25 TO 50 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW. EVEN STRONGER WINDS...WITH GUSTS UP TO 90 MPH...ARE EXPECTED ABOVE TIMBERLINE AND ON THE HIGHER EAST SLOPES OF THE FRONT RANGE WHICH WILL CREATE BLIZZARD CONDITIONS IN THOSE AREAS. STORM TOTAL SNOW ACCUMULATIONS OF 8 TO 18 INCHES CAN BE EXPECTED BY LATE FRIDAY EVENING. THE HIGHEST AMOUNTS WILL OCCUR AROUND RABBIT EARS PASS AND NEAR THE WYOMING BORDER. LOVELAND PASS WAS CLOSED THIS MORNING DUE TO BLIZZARD CONDITIONS WHILE CHAINS WERE REQUIRED FOR TRUCKS AT THE EISENHOWER TUNNEL...VAIL PASS...AND ON RABBIT EARS PASS. TRAVELERS SHOULD EXPECT DIFFICULTIES EVEN IN SOME LOWER AREAS DUE TO THE BLOWING SNOW. THE SNOW AND WINDS WILL GRADUALLY DECREASE THIS AFTERNOON AND EVENING. $$ GIMMESTAD
000 WWUS45 KBOU 161557 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 857 AM MST FRI FEB 16 2007 COZ031-033-034-170000- /O.CON.KBOU.WS.W.0002.000000T0000Z-070217T0700Z/ 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 857 AM MST FRI FEB 16 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. CURRENT OBSERVATIONS AND CDOT MOUNTAIN CAMERAS INDICATED WIDESPREAD MODERATE TO HEAVY SNOW ACROSS MUCH OF THE NORTHERN MOUNTAINS THIS MORNING. THE SNOW COUPLED WITH THE STRONG WINDS HAVE CREATED NEAR ZERO VISIBILITIES ACROSS MANY OF THE MOUNTAIN PASSES. SNOWFALL RATES HAVE INCREASED TO UP TO 3 INCHES PER HOUR IN THE HEAVIEST SNOW. THE HEAVIEST SNOW IS EXPECTED THROUGH MID AFTERNOON AS AN UPPER LEVEL DISTURBANCE MOVES ACROSS THE AREA. VERY STRONG WEST TO NORTHWEST WINDS AT 25 TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW. EVEN STRONGER WINDS...WITH GUSTS UP TO 70 MPH...ARE EXPECTED ABOVE TIMBERLINE AND ON THE HIGHER EAST SLOPES OF THE FRONT RANGE WHICH WILL CREATE BLIZZARD CONDITIONS IN THOSE AREAS. STORM TOTAL SNOW ACCUMULATIONS OF 8 TO 18 INCHES CAN BE EXPECTED BY LATE FRIDAY EVENING. THE HIGHEST AMOUNTS WILL OCCUR AROUND RABBIT EARS PASS AND NEAR THE WYOMING BORDER. LOVELAND PASS WAS CLOSED THIS MORNING DUE TO BLIZZARD CONDITIONS WHILE CHAINS WERE REQUIRED FOR TRUCKS AT THE EISENHOWER TUNNEL... VAIL PASS...AND ON RABBIT EARS PASS. TRAVELERS SHOULD EXPECT DIFFICULTIES EVEN IN SOME LOWER AREAS DUE TO THE BLOWING SNOW. THE SNOW AND WINDS WILL GRADUALLY DECREASE LATER THIS AFTERNOON AND EVENING. $$ COZ030-032-170000- /O.NEW.KBOU.SB.Y.0008.070216T1600Z-070217T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN... DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS... KREMMLING 857 AM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL 6 PM MST THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL 6 PM MST THIS AFTERNOON. MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH MID AFTERNOON THEN DECREASING THROUGH THE EVENING HOURS. GUSTY WINDS TO 45 MPH WILL CREATE NEAR ZERO VISIBILITIES AT TIMES. TOTAL SNOW ACCUMULATIONS WILL BE 3 TO 6 INCHES BY LATE FRIDAY EVENING. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ ENTREKIN
000 WWUS45 KBOU 161756 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1056 AM MST FRI FEB 16 2007 COZ031-033-034-170200- /O.CON.KBOU.WS.W.0002.000000T0000Z-070217T0700Z/ 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 1056 AM MST FRI FEB 16 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. CURRENT OBSERVATIONS AND CDOT MOUNTAIN CAMERAS INDICATED WIDESPREAD MODERATE TO HEAVY SNOW CONTINUES ACROSS THE INTERSTATE 70 CORRIDOR AND ADJACENT AREAS. THE SNOW COUPLED WITH THE STRONG WINDS HAVE CREATED NEAR ZERO VISIBILITIES ACROSS MANY OF THE MOUNTAIN PASSES. SNOWFALL RATES ARE UP TO 2 INCHES PER HOUR HAVE BEEN COMMON DURING THE MORNING. THE SNOW WILL NOT BE AS WIDESPREAD THIS AFTERNOON BUT STILL CAPABLE OF PROUDCING HEAVY SNOW AT TIMES. VERY STRONG WEST TO NORTHWEST WINDS AT 25 TO 40 MPH WILL CREATE WIDESPREAD BLOWING AND DRIFTING SNOW. EVEN STRONGER WINDS...WITH GUSTS UP TO 70 MPH...ARE EXPECTED ABOVE TIMBERLINE AND ON THE HIGHER EAST SLOPES OF THE FRONT RANGE WHICH WILL CREATE BLIZZARD CONDITIONS IN THOSE AREAS. STORM TOTAL SNOW ACCUMULATIONS OF 8 TO 18 INCHES CAN BE EXPECTED BY LATE FRIDAY EVENING. THE HIGHEST AMOUNTS WILL OCCUR AROUND RABBIT EARS PASS AND NEAR THE WYOMING BORDER. AT THIS TIME...INTERSTATE 70 IS NOW CLOSED BETWEEN GEORGETOWN AND VAIL PASS. LOVELAND AND BERTHOUD PASS ARE ALSO CLOSED. TRAVELERS SHOULD EXPECT DIFFICULTIES AND SHOULD STRONGLY DELAY TRAVEL UNTIL CONDITIONS IMPROVE TONIGHT. $$ COZ030-032-170100- /O.CON.KBOU.SB.Y.0008.000000T0000Z-070217T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN... DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS... KREMMLING 1056 AM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS AFTERNOON... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS AFTERNOON. MODERATE TO HEAVY SNOW WILL CONTINUE THROUGH EARLY AFTERNOON THEN DECREASING THROUGH THE EVENING HOURS. GUSTY WINDS TO 40 MPH WILL CREATE NEAR ZERO VISIBILITIES AT TIMES. TOTAL SNOW ACCUMULATIONS WILL BE 3 TO 6 INCHES BY LATE FRIDAY EVENING. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ ENTREKIN
000 WWUS45 KBOU 162207 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 307 PM MST FRI FEB 16 2007 ...TRAVEL IS DIFFICULT IF NOT IMPOSSIBLE IN THE MOUNTAINS DUE TO SNOW AND BLOWING SNOW... .CURRENT OBSERVATIONS INDICATE THAT THE SNOW HAS DECREASED SOMEWHAT IN INTENSITY ACROSS THE MOUNTAINS LATE THIS AFTERNOON. HOWEVER...MANY ROADS INCLUDING HIGHWAY 40 OVER BERTHOUD PASS...AND HIGHWAY 6 OVER LOVELAND PASS REMAIN CLOSED DUE TO ADVERSE WEATHER CONDITIONS AND CONSIDERABLE BLOWING SNOW. TRAVEL ON INTERSTATE 70 WAS RESTRICTED TO LOCAL TRAFFIC ONLY. A REPORT FROM THE EISENHOWER TUNNEL INDICATED A STORM TOTAL OF 18 INCHES OF SNOW SINCE THE STORM BEGAN YESTERDAY. NATIONAL WEATHER SERVICE DOPPLER RADAR STILL INDICATED SOME SNOW SHOWERS PRODUCING HEAVY SNOW OVER THE MOUNTAINS OF JACKSON AND LARIMER COUNTIES. THIS BAND OF HEAVIER SNOWFALL MAY MOVE SOUTHWARD TOWARD THE INTERSTATE 70 CORRIDOR EARLY THIS EVENING BEFORE DIMINISHING. SNOW IS EXPECTED TO DECREASE IN ALL AREAS BY MIDNIGHT...AND WINDS WILL ALSO BEGIN TO SUBSIDE. UNTIL THEN...NORTHWEST WINDS OF 20 TO 40 MPH WITH GUSTS UP TO 70 MPH WILL CONTINUE TO PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW. THE STRONGEST WIND GUSTS AND NEAR BLIZZARD CONDITIONS CAN BE EXPECTED ABOVE TIMBERLINE AND ON THE HIGHER SLOPES OF THE FRONT RANGE. COZ031-033-034-170700- /O.CON.KBOU.WS.W.0002.000000T0000Z-070217T0700Z/ 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 307 PM MST FRI FEB 16 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. SNOW...HEAVY AT TIMES...CAN BE EXPECTED THROUGH THE EVENING HOURS. STORM TOTAL ACCUMULATIONS OF 10 TO 20 INCHES CAN BE EXPECTED BY MIDNIGHT...WITH THE HEAVIEST AMOUNTS AROUND RABBIT EARS PASS AND IN THE MOUNTAINS NEAR THE WYOMING BORDER. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IS NOT RECOMMENDED AND MAY BE IMPOSSIBLE IN MOUNTAIN LOCATIONS TONIGHT. SOME ROADS OVER THE HIGHER MOUNTAIN PASSES MAY REMAIN CLOSED THROUGH THE NIGHT DUE TO THE THREAT OF AVALANCHES. FOR THE LATEST ROAD REPORTS...CALL THE COLORADO DEPARTMENT OF TRANSPORTATION AT 303-639-1111 OR 1-877-315-7623. $$ COZ030-032-170100- /O.CON.KBOU.SB.Y.0008.000000T0000Z-070217T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- INCLUDING...GOULD...NORTH PARK...RAND...SPICER...WALDEN... DILLON...FRASER...GRANBY...GRAND LAKE...HOT SULPHUR SPRINGS... KREMMLING 307 PM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS AFTERNOON... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL 6 PM MST THIS AFTERNOON. SNOW SHOWERS WILL CONTINUE OVER THE MOUNTAIN VALLEYS THROUGH THE REST OF THE AFTERNOON AND MAY BE BRIEFLY HEAVY. TOTAL SNOW ACCUMULATIONS OF 3 TO 7 INCHES CAN BE EXPECTED BEFORE THE SNOW DECREASES THIS EVENING. GUSTY WINDS TO 40 MPH WILL CREATE VERY POOR VISIBILITIES AT TIMES. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. USE CAUTION WHEN TRAVELING...ESPECIALLY IN OPEN AREAS. $$ BARJENBRUCH
000 WWUS45 KBOU 170116 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 616 PM MST FRI FEB 16 2007 ...CONDITIONS SLOWLY IMPROVING IN THE MOUNTAINS BUT DETERIORATING ON PORTIONS OF THE PLAINS... .SATELLITE AND RADAR IMAGERY INDICATED THAT SNOW INTENSITY IN THE MOUNTAINS HAD DECREASED SOMEWHAT SINCE THIS AFTERNOON. HOWEVER... THERE WERE STILL A FEW HEAVIER SNOW SHOWERS OCCURRING IN THE MOUNTAINS OF JACKSON AND LARIMER COUNTIES. HIGHWAY 40 OVER BERTHOUD PASS AND HIGHWAY 6 OVER LOVELAND PASS REMAIN CLOSED DUE TO ADVERSE WEATHER CONDITIONS AND CONSIDERABLE BLOWING SNOW. INTERSTATE 70 THROUGH THE MOUNTAINS HAS REOPENED. A REPORT FROM THE EISENHOWER TUNNEL INDICATED A STORM TOTAL OF 18 INCHES OF SNOW SINCE THE STORM BEGAN YESTERDAY. IN THE MEANTIME...AN AREA OF HEAVIER SNOW HAD DEVELOPED OVER THE PALMER DIVIDE ACROSS EASTERN DOUGLAS AND ELBERT COUNTIES. THIS ALONG WITH STRONG NORTH WINDS WAS PRODUCING WHITEOUT CONDITIONS AROUND KIOWA. THE SNOW AND WINDS ARE EXPECTED TO DECREASE IN ALL AREAS BY MIDNIGHT. COZ030-032-170230- /O.EXP.KBOU.SB.Y.0008.000000T0000Z-070217T0100Z/ 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 616 PM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY HAS EXPIRED... THE SNOW AND BLOWING SNOW ADVISORY IS NO LONGER IN EFFECT. ADDITIONAL SNOW ACCUMULATIONS WILL BE AN INCH OR LESS. THERE WILL STILL BE SOME BLOWING AND DRIFTING SNOW IN OPEN AREAS THIS EVENING AS NORTHWEST WINDS GUST UP TO 30 MPH. WINDS AND SNOW WILL DECREASE FURTHER OVERNIGHT. $$ COZ031-033-034-170700- /O.CON.KBOU.WS.W.0002.000000T0000Z-070217T0700Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...EAST SLOPES PARK AND NORTHERN GORE RANGES... GORE PASS...RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 616 PM MST FRI FEB 16 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. SNOW WILL CONTINUE THROUGH THE REST OF THE EVENING....WITH STORM TOTAL ACCUMULATIONS RANGING BETWEEN 10 AND 20 INCHES. THE HEAVIEST AMOUNTS WILL OCCUR IN ELEVATIONS ABOVE 10 THOUSAND FEET AND IN THE RABBIT EARS PASS AREA. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IS NOT RECOMMENDED AND MAY BE IMPOSSIBLE IN MOUNTAIN LOCATIONS TONIGHT. SOME ROADS OVER THE HIGHER MOUNTAIN PASSES MAY REMAIN CLOSED THROUGH THE NIGHT DUE TO THE THREAT OF AVALANCHES. FOR THE LATEST ROAD REPORTS...CALL THE COLORADO DEPARTMENT OF TRANSPORTATION AT 303-639-1111 OR 1-877-315-7623. $$ COZ041-046-170700- /O.NEW.KBOU.SB.Y.0009.070217T0116Z-070217T0700Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR... AGATE...HUGO...LIMON...MATHESON 616 PM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY IN EFFECT UNTIL MIDNIGHT MST TONIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SNOW AND BLOWING SNOW ADVISORY...WHICH IS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. SNOW WILL CONTINUE TO OVERSPREAD DOUGLAS AND ELBERT COUNTIES THIS EVENING AND MAY BE BRIEFLY HEAVY. THE SNOW WILL ALSO OCCASIONALLY SPREAD ACROSS NORTHERN LINCOLN COUNTY INCLUDING LIMON. WHILE ADDITIONAL ACCUMULATIONS WILL ONLY RANGE BETWEEN 1 AND 3 INCHES...STRONG NORTH WINDS OF 20 TO 30 MPH WITH GUSTS TO 55 MPH IN ELBERT AND LINCOLN COUNTIES WILL PRODUCE GROUND BLIZZARDS. TRAVEL WILL BE EXTREMELY HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE SIGNIFICANTLY LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. DO NOT TRAVEL UNLESS ABSOLUTELY NECESSARY. $$ BARJENBRUCH
000 WWUS45 KBOU 170412 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 912 PM MST FRI FEB 16 2007 ...STILL SNOWING IN THE MOUNTAINS AND ACROSS THE PALMER DIVIDE... .STRONG GUSTY WINDS AND SNOW SHOWERS WILL CONTINUE OVER THE MOUNTAINS THROUGH THE REST OF THE EVENING. THE STRONG WINDS GUSTING AS HIGH AS 80 MPH ABOVE TIMBERLINE WERE PRODUCING WHITEOUT CONDITIONS AT TIMES. ON THE PALMER DIVIDE...WINDS WERE BEGINNING TO RELAX BUT SNOW WILL CONTINUE ACROSS DOUGLAS AND WESTERN ELBERT COUNTY THROUGH THE MIDNIGHT HOUR. HIGHWAY 40 OVER BERTHOUD PASS AND HIGHWAY 6 OVER LOVELAND PASS REMAIN CLOSED DUE TO ADVERSE WEATHER CONDITIONS AND CONSIDERABLE BLOWING SNOW. INTERSTATE 70 THROUGH THE MOUNTAINS HAS REOPENED... BUT THE LATEST REPORTS FROM THE EISENHOWER TUNNEL INDICATED WHITEOUT CONDITIONS AT TIMES. AN EARLIER REPORT FROM THE EISENHOWER TUNNEL INDICATED A STORM TOTAL OF 18 INCHES OF SNOW SINCE THE STORM BEGAN YESTERDAY. COZ046-170515- /O.CAN.KBOU.SB.Y.0009.000000T0000Z-070217T0700Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- INCLUDING...AGATE...HUGO...LIMON...MATHESON 912 PM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE SNOW AND BLOWING SNOW ADVISORY. SNOW HAD DECREASED SIGNIFICANTLY ACROSS EASTERN ELBERT AND NORTHERN LINCOLN COUNTY. ADDITIONAL SNOW ACCUMULATIONS WILL BE LESS THAN 1 INCH. $$ COZ031-033-034-170700- /O.CON.KBOU.WS.W.0002.000000T0000Z-070217T0700Z/ 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 912 PM MST FRI FEB 16 2007 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. STRONG WINDS AND SNOW WILL CONTINUE THROUGH THE REST OF THE EVENING...AND WILL BE HEAVY AT TIMES. ANOTHER 1 TO 3 INCHES OF SNOW CAN BE EXPECTED...BRINGING STORM TOTAL ACCUMULATIONS INTO THE 10 TO 20 INCH RANGE. THE HEAVIEST AMOUNTS WILL OCCUR IN ELEVATIONS ABOVE 10 THOUSAND FEET AND IN THE RABBIT EARS PASS AREA. NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS IN EXCESS OF 70 MPH ABOVE TIMBERLINE WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND WHITEOUT CONDITIONS. TRAVEL IS NOT RECOMMENDED. REMEMBER...A WINTER STORM WARNING MEANS HAZARDOUS WINTER WEATHER CONDITIONS ARE IMMINENT OR HIGHLY LIKELY. TRAVEL IS NOT RECOMMENDED AND MAY BE IMPOSSIBLE IN MOUNTAIN LOCATIONS TONIGHT. SOME ROADS OVER THE HIGHER MOUNTAIN PASSES MAY REMAIN CLOSED THROUGH THE NIGHT DUE TO THE THREAT OF AVALANCHES. FOR THE LATEST ROAD REPORTS...CALL THE COLORADO DEPARTMENT OF TRANSPORTATION AT 303-639-1111 OR 1-877-315-7623. $$ COZ041-170700- /O.CON.KBOU.SB.Y.0009.000000T0000Z-070217T0700Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR 912 PM MST FRI FEB 16 2007 ...SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT... A SNOW AND BLOWING SNOW ADVISORY REMAINS IN EFFECT UNTIL MIDNIGHT MST TONIGHT. BANDS OF SNOW WILL CONTINUE TO MOVE ACROSS DOUGLAS AND WESTERN ELBERT COUNTIES THROUGH THE MIDNIGHT HOUR. ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES CAN BE EXPECTED BEFORE ENDING. NORTH WINDS OF 15 TO 25 MPH WITH GUSTS TO 35 MPH WILL STILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW AND VERY POOR VISIBILITIES IN OPEN AREAS. TRAVEL WILL BE EXTREMELY HAZARDOUS. A SNOW AND BLOWING SNOW ADVISORY MEANS THAT VISIBILITIES WILL BE SIGNIFICANTLY LIMITED DUE TO A COMBINATION OF FALLING AND BLOWING SNOW. $$ BARJENBRUCH
000 WWUS45 KBOU 170704 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1204 AM MST SAT FEB 17 2007 ...SNOW AND STRONG WINDS CONTINUE IN THE MOUNTAINS... .WINTER STORM CONDITIONS CONTINUED OVER THE MOUNTAINS LATE FRIDAY EVENING. THE INTENSITY OF THE SNOW AND THE WIND WAS BEGINNING TO DECREASE. ANOTHER 1 TO 3 INCHES OF SNOW WILL FALL DURING THE EARLY MORNING HOURS. NORTHWEST WINDS AT 20 TO 35 MPH WILL GRADUALLY DECREASE...BUT EXPOSED AREAS ABOVE 10 THOUSAND FEET WILL STILL HAVE WIND GUSTS AS HIGH AS 70 MPH CREATING WHITEOUT CONDITIONS. SIGNIFICANT DRIFTING OF SNOW WILL CONTINUE IN MANY AREAS. HIGHWAY 40 OVER BERTHOUD PASS AND HIGHWAY 6 OVER LOVELAND PASS REMAIN CLOSED DUE TO BLOWING AND DRIFTING SNOW. CHAIN LAWS WERE IN EFFECT FOR TRUCKS IN SEVERAL AREAS. FOR THE LATEST ROAD REPORTS...CALL THE COLORADO DEPARTMENT OF TRANSPORTATION AT 303-639-1111 OR BY DIALING 511 FROM ANYWHERE IN COLORADO. COZ041-170815- /O.CAN.KBOU.SB.Y.0009.000000T0000Z-070217T0700Z/ ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- INCLUDING...CASTLE ROCK...ELBERT...FONDIS...KIOWA...LARKSPUR 1204 AM MST SAT FEB 17 2007 ...SNOW AND BLOWING SNOW ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE SNOW AND BLOWING SNOW ADVISORY. THE BAND OF SNOW WAS MOVING SOUTH OUT OF DOUGLAS COUNTY AND WINDS WERE DIMINISHING. $$ COZ031-033-034-171200- /O.EXT.KBOU.WS.W.0002.000000T0000Z-070217T1200Z/ WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET- INCLUDING...EAST SLOPES PARK AND NORTHERN GORE RANGES... GORE PASS...RABBIT EARS PASS...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK 1204 AM MST SAT FEB 17 2007 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM MST SATURDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM MST SATURDAY. STRONG WINDS AND SNOW WILL CONTINUE THROUGH THE EARLY MORNING HOURS. ANOTHER 1 TO 3 INCHES OF SNOW CAN BE EXPECTED...BRINGING STORM TOTAL ACCUMULATIONS INTO THE 12 TO 22 INCH RANGE. THE HEAVIEST SNOW FOR THE REST OF THE NIGHT WILL BE IN SUMMIT COUNTY. NORTHWEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 70 MPH ABOVE TIMBERLINE WILL PRODUCE CONSIDERABLE BLOWING AND DRIFTING SNOW AND WHITEOUT CONDITIONS. TRAVEL WILL BE DIFFICULT OR IMPOSSIBLE IN THE MOUNTAINS OVERNIGHT. TRAVELERS SHOULD DELAY TRAVEL OR CARRY A WINTER SURVIVAL KIT IN THEIR CAR INCLUDING FOOD...WATER...WARM CLOTHING...AND A SHOVEL. $$ GIMMESTAD
000 WWUS45 KBOU 171203 WSWBOU URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 503 AM MST SAT FEB 17 2007 COZ031-033-034-171315- /O.EXP.KBOU.WS.W.0002.000000T0000Z-070217T1200Z/ 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 503 AM MST SAT FEB 17 2007 ...WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING... THE WINTER STORM WARNING WILL EXPIRE AT 5 AM MST EARLY THIS MORNING. SNOW IS DIMINISHING OVER THE NORTH CENTRAL COLORADO MOUNTAINS. HOWEVER...STRONG NORTHWEST WINDS AT 20 TO 40 MPH WITH GUSTS TO 60 MPH WILL CONTINUE OVER THE HIGHER ELEVATIONS TODAY. AS A RESULT...AREAS OF BLOWING AND DRIFTING SNOW CAN STILL BE EXPECTED ABOVE 10 THOUSAND FEET. WHILE THE SNOW IS DIMINISHING...TRAVEL DIFFICULTIES CONTINUE. THE SNOW AND WIND WAS PARTICULARLY HEAVY OVERNIGHT IN SUMMIT COUNTY. LOVELAND PASS RECEIVED 14 INCHES OF SNOW SINCE NOON FRIDAY...ACCOMPANIED BY WINDS OVER 70 MPH. AT 5 AM MOST OF THE HIGHWAYS IN THAT AREA WERE CLOSED DUE TO THE OVERNIGHT SNOWFALL AND THE AVALANCHE DANGER. PEOPLE PLANNING TO TRAVEL WEST OF DENVER TODAY SHOULD CHECK THE LATEST ROAD REPORT...AND CONSIDER DELAYING TRAVEL FOR A FEW HOURS TO ALLOW CONDITIONS TO IMPROVE. $$ GIMMESTAD
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 Feb 15, 3:45 AM MST, 7 hours 53 minutes earlier.
Area forecast discussion, Feb 15, 3:45 AM MST, 7 hours 53 minutes before
AREA FORECAST DISCUSSION NATIONAL WEATHER SERVICE DENVER CO 345 AM MST THU FEB 15 2007 .SHORT TERM...WEAK SURGE OF COLDER AIR INTO NORTHEASTERN COLORADO DURING THE EARLY MORNING HOURS. COMBINATION OF CONVERGENCE AND DESTABILIZTION LED TO BAND OF LIGHT SNOW WHICH WILL DROP SOUTHEAST OF OUR AREA THIS MORNING. SHALLOW MOISTURE IN THE MOUNTAINS WITH FRONT RANGE MOUNTAIN WAVE ALREADY HOWLING UP HIGH WITH GUSTS TO 60 MPH ALONG THE DIVIDE. DRIER MID LEVEL AIR WILL MOVE ACROSS THE AREA AT MIDDAY...THOUGH SOME TRAPPED MOISTURE SHOULD REMAIN IN THE MOUNTAINS. HIGH CLOUDS WILL SPREAD IN BY EVENING ALONG WITH A GRADUAL INCREASE IN LOWER MOISTURE OVERNIGHT. WINDS ALOFT WILL ALSO INCREASE. IT LOOKS LIKE THE NORTHERLY JET AXIS WILL BE OVER THE FRONT RANGE LATE TONIGHT WITH A SHARP INCREASE IN LOW/MID LEVEL GRADIENT WINDS. IT LOOKS LIKE THERE MAY BE A SHORT PERIOD WHERE THERE IS A BIT OF AN INVERSION WITH A DEEP UNSTABLE LAYER ABOVE AND A CRITICAL LAYER WHERE THE JET IS PARALLEL TO THE MOUNTAINS. GOOD INGREDIENTS FOR AN AMPLIFIED WAVE FOR AT LEAST A FEW HOURS WHICH COULD PRODUCE EXTREME WIND SPEEDS IN THE FOOTHILLS LATE TONIGHT. WITH MOISTURE AND WINDS INCREASING...SNOW MAY BECOME HEAVY AS WELL. ADDED POPS TO THE FOOTHILLS AS THERE SHOULD BE QUITE A BIT OF SNOW BLOWING OVER ONTO THE EAST SIDE. RAISED TEMPS A LITTLE MAINLY TONIGHT FOR EXPECTED CLOUD COVER AND WIND. .LONG TERM...FRI-SAT...MDLS MOVE WK SHT WV ACRS CNTRL RCKYS ON FRI AS 150KT JET MAX NOSES IT WAY OVR NERN PTN OF STA. MOIST NWLY FLO ALF WILL PRODUCE OROGRAPHIC SNW IN MTNS ON FRI AND FRI NGT. OROGRAPHIC SNW MDL ON FRI GIVES COMPARABLE AMTS TO NAM12 IN THE 5 TO 12 IN RANGE WITH LESSER AMTS IN HI MTN VLYS. WILL KEEP WINTER STRM WATCH IN MTNS THRU FRI EVE. STG JET WILL INCRS WNDS ALF ACRS MTNS AND PRODUCE MTN WV. WND GSTS IN EXCESS OF 75 MPH ARE POSSIBLE IN AND NR ERN FTHLLS. THE STG WNDS WILL PRODUCE AREAS OF BLWG SNW. WILL THUS KEEP HI WND WATCH THERE THRU FRI. STG BORA WNDS MAY ALSO SPRD OVR PTNS OF NERN PLAINS ON FRI AFTN AND EVE. WITH STG JET OVRHD THERE MAY BE SUM JET INDUCED PCPN ACRS PLAINS ON FRI AND FRI NGT. BOTH NAM AND GFS TRY TO INDICATE THIS WITH PCPN PATTERNS. WILL KEEP POPS LO ATTM. WRMG ALF ON THU NGT GIVES WAY TO SHARP COOLING ALF ON FRI AND FRI NGT WITH WRMG AGAIN ON SAT AND SAT NGT AS UPR RDG BUILDS OVR CNTRL RCKYS. WILL GENLY FVR COOLER OF MOS TEMP GDNC VALUES DUE TO PERSISTENT SNW CVR ACRS AREA. IN EXTENDED PRD...SUN-WED...WILL MAKE NO CHNGS TO CURRENT FCST ATTM. && .BOU WATCHES/WARNINGS/ADVISORIES...HIGH WIND WATCH LATE THU NITE AND FRI FOR ZNS..35..36..38..39. ...WINTER STORM WATCH FOR NRN MTNS FOR LATE THU NITE THRU FRI EVENING..ZNS 31..33>34. && GIMMESTAD/GARD...WFO BOULDER
Hazardous weather outlook, Feb 15, 11:06 AM MST, 32 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 1106 AM MST THU FEB 15 2007 COZ030>051-161300- 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- 1106 AM MST THU FEB 15 2007 ...WINTER STORM WARNING FOR MOUNTAINS LATE TONIGHT THROUGH FRIDAY EVENING... ...HIGH WIND WARNING FOOTHILLS AND ADJACENT PLAINS LATE TONIGHT THROUGH FRIDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT AREAS OF LIGHT SNOW WILL CONTINUE ACROSS THE MOUNTAINS THIS AFTERNOON WITH ACCUMULATIONS LESS THAN 3 INCHES EXPECTED. GUSTY WINDS WILL PERSIST ABOVE TIMBERLINE AND ON THE HIGHER EAST SLOPES OF THE FRONT RANGE...WITH WIND GUSTS AS HIGH AS 60 MPH. THE SNOW AND WIND WILL BECOME WIDESPREAD OVERNIGHT. WIND GUSTS IN EXCESS OF 75 MPH CAN BE EXPECTED ALONG THE FOOTHILLS AND ADJACENT PLAINS LATE TONIGHT. .DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY WIDESPREAD SNOW AND AREAS OF BLOWING SNOW WILL CONTINUE IN THE MOUNTAINS THROUGH FRIDAY EVENING...THEN DECREASING OVERNIGHT. THE HEAVIEST SNOW WILL OCCUR ON FRIDAY AFTERNOON WHEN AN UPPER LEVEL DISTURBANCE MOVES ACROSS COLORADO. TOTAL SNOW ACCUMULATIONS BY LATE FRIDAY EVENING OF 7 TO 14 INCHES WILL BE POSSIBLE. IN ADDITION TO THE SNOW...STRONG WINDS...UP TO 80 MPH...WILL PRODUCE WHITE-OUT CONDITIONS IN SNOW AND BLOWING SNOW OVER THE HIGH MOUNTAIN PASSES. STRONG WINDS WILL ALSO CONTINUE IN AND NEAR THE FRONT RANGE EASTERN FOOTHILLS THROUGH FRIDAY AFTERNOON. STRONG WEST TO NORTHWEST WINDS AT SUSTAINED SPEEDS OF 30 TO 50 MPH WITH POSSIBLE GUSTS IN EXCESS OF 75 MPH ARE POSSIBLE. THE GUSTY WINDS ALONG WITH THE NEW SNOW ON THE GROUND WILL PRODUCE AREAS OF BLOWING SNOW AND NEAR ZERO VISIBILITIES AT TIMES OVER EXPOSED LOCATIONS. WARMER AND DRIER CONDITIONS ARE EXPECTED THIS WEEKEND AS HIGH PRESSURE BUILDS ACROSS THE REGION. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. D-L/SWE
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 15, 11:47 AM MST | High Wind Warning | BOU | Adams, Arapahoe, Boulder, Broomfield, Clear Creek, Denver and 11 more | 32 hr |
| Feb 15, 4:05 PM MST | High Wind Watch | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Logan and 5 more | 13 hr |
Nearby
Winter Storm Warnings in Colorado, 2007Every winter storm warning in 2007
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.