Alert archive / Colorado / High Wind Warnings in 2007
High Wind Warning 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Dec 23, 2007, 2:29 AM MST for 7 counties in Colorado. It was in force for 5 hr. 3 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
- Dec 23, 2007, 2:29 AM MST (09:29 UTC)
- Expired
- Dec 23, 2007, 7:57 AM MST
- In force
- 5 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO
The radar
The Denver radar (KFTG), 74 km from the middle of the area, began a volume at 09:26 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 |
|---|---|---|---|
| Dec 23, 5:33 AM MST | NON-TSTM WND GST 83 | 4 Ene Bergen Park, CO | |
| Dec 23, 5:40 AM MST | NON-TSTM WND GST 72 | 2 Sw Boulder, CO | REPORTED AT THE NCAR MESA LAB |
| Dec 23, 6:36 AM MST | NON-TSTM WND GST 80 | 3 Se Jamestown, 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 00:00Z, 9.5 hours before the alert went out and 187 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
- 2672 m above ground
- 0-6 km bulk shear
- 71 kt
- 0-1 km storm-relative helicity
- 104 m²/s²
- 0-3 km storm-relative helicity
- 206 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KBOU 230929 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 229 AM MST SUN DEC 23 2007 .FIERCE MOUNTAIN WINDS PRODUCING WHITEOUT CONDITIONS AND DANGEROUS WIND CHILL READINGS... COZ035>037-231500- /O.NEW.KBOU.HW.W.0008.071223T0929Z-071223T1500Z/ 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- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 229 AM MST SUN DEC 23 2007 ...HIGH WIND WARNING IN EFFECT UNTIL 8 AM MST THIS MORNING FOR THE FRONT RANGE FOOTHILLS AND SOUTH PARK IN NORTH CENTRAL COLORADO... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A SHORT FUSED HIGH WIND WARNING...WHICH IS NOW IN EFFECT UNTIL 8 AM MST THIS MORNING. VERY STRONG WEST TO NORTHWEST WINDS IN THE FRONT RANGE FOOTHILLS AND AND ACROSS NORTHERN PORTIONS OF SOUTH PARK WILL LIKELY CONTINUE THROUGH EARLY THIS SUNDAY MORNING. WIND GUSTS TO AS HIGH AS 109 MPH WAS RECORDED NEAR FAIRPLAY IN NORTH PARK SHORTLY BEFORE 2 AM THIS MORNING. AT THE PRESENT TIME...U.S. HIGHWAY 285 ACROSS NORTHERN PARK COUNTY IN NORTH CENTRAL COLORADO REMAINS CLOSED DUE TO EXTENSIVE BLOWING AND DRIFTING OF SNOW AND VERY LOW VISIBILITIES. SIMILAR WIND GUSTS HAVE ALSO BEEN OBSERVED IN THE FRONT RANGE FOOTHILLS OF BOULDER...JEFFERSON AND LARIMER COUNTIES. AT 1:18 AM THIS MORNING A WIND GUST TO 89 MPH WAS RECORDED ON A WIND MONITOR AT ROCKY FLATS IN EXTREME NORTHERN JEFFERSON COUNTY...OR ABOUT 10 MILES SOUTH OF BOULDER. WEATHER SPOTTERS HAVE ALSO REPORTED TO THE NATIONAL WEATHER SERVICE VERY POOR DRIVING CONDITIONS DUE TO BLOWING AND DRIFTING SNOW ALONG HIGHWAY 93 BETWEEN GOLDEN AND BOULDER. WIND GUSTS FROM 60 TO 90 MPH SHOULD BE EXPECTED IN THE AREA COVERED BY THIS HIGH WIND WARNING UNTIL AROUND 8 AM THIS SUNDAY MORNING. REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. $$ BAKER
1 follow-up statement
000 WWUS75 KBOU 231457 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 757 AM MST SUN DEC 23 2007 COZ035>037-231600- /O.CAN.KBOU.HW.W.0008.000000T0000Z-071223T1500Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- CENTRAL AND SOUTHEAST PARK COUNTY- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FAIRPLAY...HARTSEL... LAKE GEORGE...SOUTH PARK 755 AM MST SUN DEC 23 2007 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WARNING. WHILE GUSTY WINDS WILL CONTINUE THROUGH THE REST OF THE MORNING...WIND SPEEDS WILL HOLD BELOW HIGH WIND CRITERIA. WIND SPEEDS OF 20 AND 30 MPH WILL BE COMMON...WITH GUSTS UP TO 60 MPH. THE STRONG WINDS WILL STILL PRODUCE AREAS OF BLOWING AND DRIFTING SNOW. PEAK WINDS FROM THIS EVENT INCLUDE... 109 MPH NEAR THE TOWN OF JEFFERSON IN PARK COUNTY. 89 MPH AT THE WIND TECHNOLOGY CENTER NEAR ROCKY FLATS. 72 MPH AT THE NCAR MESA LAB SOUTHWEST OF BOULDER. $$ BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 23, 5:20 AM MST | Snow and Blowing Snow Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 6 hr |
Nearby
High Wind Warnings in Colorado, 2007Every high wind 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.