Alert archive / Colorado / Winter Weather Advisories in 2012
Winter Weather Advisory 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter weather advisory at Feb 23, 2012, 4:37 AM MST for 11 counties in Colorado. It was in force for 6 hr.
The area
The counties it named.
The facts
- Issued
- Feb 23, 2012, 4:37 AM MST (11:37 UTC)
- Expired
- Feb 23, 2012, 11:00 AM MST
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Denver County, CO, Douglas County, CO, Elbert County, CO, Gilpin County, CO, Jefferson County, CO, Park County, CO
The radar
The Denver radar (KFTG), 43 km from the middle of the area, began a volume at 11:37 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 forecasters said that day
The local office's own words before this winter weather advisory 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 weather advisory went out at Feb 22, 3:20 PM MST, 13 hours 17 minutes earlier.
Area forecast discussion, Feb 22, 3:20 PM MST, 13 hours 17 minutes before
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</html>Hazardous weather outlook, Feb 22, 11:04 AM MST, 17 hours 33 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER CO 1104 AM MST WED FEB 22 2012 COZ030>051-231300- 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- 1104 AM MST WED FEB 22 2012 ...HIGH WIND WARNING FRONT RANGE MOUNTAINS...FOOTHILLS...AND NEARBY PLAINS WEST OF I-25 TIL 5 AM THURSDAY... ...WINTER STORM WARNING NORTHERN GORE AND PARK RANGE UNTIL 11 AM THURSDAY... ...WINTER WEATHER ADVISORY NORTHERN FRONT RANGE MOUNTAINS UNTIL 11 AM THURSDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT ACTIVE WEATHER WILL CONTINUE OVER NORTH CENTRAL COLORADO AND ALONG THE FRONT RANGE FOOTHILLS THROUGH TONIGHT. STRONG WINDS ARE EXPECTED TO CONTINUE THROUGH TONIGHT AS A STRONG UPPER LEVEL JET STREAM REMAINS IN PLACE OVER NORTHERN COLORADO. MOISTURE IS EXPECTED TO INCREASE OVER THE MOUNTAINS LATER THIS EVENING WHICH WILL BRING SNOWFALL BACK INTO THE WEATHER MIX FOR THE MOUNTAIN AREAS AS THE WIND CONTINUES. MODERATE SNOWFALL AMOUNTS ARE EXPECTED IN THE MOUNTAIN AREAS OVERNIGHT WHICH WILL COMBINE WITH THE WINDY CONDITIONS TO PRODUCE HAZARDOUS TRAVEL CONDITIONS DUE TO BLOWING AND DRIFTING SNOW. LATE TONIGHT...A COLD FRONT WILL MOVE OVER THE NORTHEAST PLAINS...BRINGING COLDER TEMPERATURES. AREAS OF SNOW WILL ALSO BE POSSIBLE OVER THE I-25 CORRIDOR BY THURSDAY MORNING. LIGHT ACCUMULATIONS OF SNOW WILL BE POSSIBLE. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SNOW WILL GRADUALLY DECREASE ACROSS THE MOUNTAINS AND PLAINS THURSDAY BEHIND THE PASSAGE OF A FAST MOVING UPPER LEVEL DISTURBANCE. IN THE MOUNTAINS...ADDITIONAL SNOWFALL AMOUNTS OF 2 TO 6 INCHES CAN BE EXPECTED THURSDAY MORNING...AND STRONG WINDS WILL PRODUCE CONSIDERABLE BLOWING SNOW AND HAZARDOUS DRIVING CONDITIONS. ON THE PLAINS...A BAND OF SNOW JUST BEHIND A COLD FRONT MAY BRING A QUICK INCH OF SNOW FOR THE THURSDAY MORNING COMMUTE. DRY CONDITIONS ARE EXPECTED FRIDAY THROUGH SATURDAY WITH WARMING TEMPERATURES. FROM SUNDAY THROUGH TUESDAY...AN UNSETTLED WEATHER PATTERN MOVES IN WITH A CHANCE OF SNOW...MAINLY FOR THE MOUNTAINS. TEMPERATURES SHOULD DROP BELOW SEASONAL NORMALS ONCE AGAIN. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT. DANKERS/RJK
Nearby
Winter Weather Advisories in Colorado, 2012Every winter weather advisory in 2012
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.