Alert archive / Colorado / Winter Storm Watches in 2014
Winter Storm Watch 9, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this winter storm watch at Apr 25, 2014, 2:20 PM MDT for 9 counties in Colorado. It took effect at Apr 26, 2014, 9:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Apr 25, 2014, 2:20 PM MDT (20:20 UTC)
- In effect from
- Apr 26, 2014, 9:00 PM MDT
- Expired
- Apr 26, 2014, 6:01 AM MDT
- In force
- 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 20:21 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 (KDEN), launched 12:00Z, 8.3 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
- 2820 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this winter storm watch 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 watch went out at Apr 25, 10:46 AM MDT, 3 hours 34 minutes earlier.
Area forecast discussion, Apr 25, 10:46 AM MDT, 3 hours 34 minutes before
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</html>Hazardous weather outlook, Apr 25, 10:59 AM MDT, 3 hours 21 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1059 AM MDT FRI APR 25 2014 COZ030>051-261700- 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- 1059 AM MDT FRI APR 25 2014 ...STRONG STORM TO IMPACT THE OUTLOOK AREA LATER IN THE WEEKEND... THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTHEAST AND NORTH CENTRAL COLORADO. .DAY ONE...TODAY AND TONIGHT IT WILL BE DRY AND MILD TODAY. SOUTHERLY WINDS WILL GUST TO 30 MPH OVER THE NORTHEAST PLAINS. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY UNSEASONABLY WARM AND DRY CONDITIONS WILL PREVAIL OVER EASTERN COLORADO SATURDAY...AND INCREASING WINDS WILL LEAD TO HIGH FIRE DANGER ESPECIALLY OVER EASTERN ELBERT COUNTY AND MUCH OF LINCOLN COUNTY. MEANWHILE...SCATTERED SHOWERS AND A FEW THUNDERSTORMS WILL DEVELOP IN THE MOUNTAINS BY SATURDAY AFTERNOON. THOSE SHOWERS AND STORMS WILL BECOME MORE WIDESPREAD LATE SATURDAY NIGHT INTO SUNDAY MORNING AND ALSO SPREAD EASTWARD ACROSS THE PLAINS. THERE IS A LOW THREAT OF A SEVERE STORM OVER THE FAR NORTHEAST CORNER OF THE STATE SUNDAY. TEMPERATURES WILL TURN COLD ENOUGH FOR THE POSSIBILITY OF A HEAVY SNOWFALL IN THE MOUNTAINS SATURDAY NIGHT THROUGH SUNDAY. PEOPLE PLANNING TRAVEL INTO THE COLORADO HIGH COUNTRY DURING THAT TIME SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS. STRONG AND GUSTY NORTHWEST WINDS WILL ALSO OCCUR ACROSS MOST OF THE FORECAST AREA SUNDAY AND SUNDAY NIGHT. A STRONG STORM SYSTEM MOVING FROM THE DESERT SOUTHWEST ACROSS THE COLORADO AND NEW MEXICO BORDER AND THEN STALLING OUT IN THE MIDWEST WILL BRING THE COOLER AND UNSETTLED WEATHER. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION WILL NOT BE NEEDED TODAY OR TONIGHT.
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 3:38 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Broomfield, Denver, Douglas, Elbert and 1 more | 28 hr |
Nearby
Winter Storm Watches in Colorado, 2014Every winter storm watch in 2014
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.