Alert archive / Colorado / High Wind Watches in 2011
High Wind Watch 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind watch at Mar 22, 2011, 3:49 AM MDT for 10 counties in Colorado. It took effect at Mar 22, 2011, 4:00 PM MDT. It was in force for .
The area
The counties it named.
The facts
- Issued
- Mar 22, 2011, 3:49 AM MDT (09:49 UTC)
- In effect from
- Mar 22, 2011, 4:00 PM MDT
- Expired
- Mar 22, 2011, 10:35 AM MDT
- In force
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Broomfield County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Jefferson County, CO, Larimer County, CO, Logan County, CO, Park County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 47 km from the middle of the area, began a volume at 09:53 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 00:00Z, 9.8 hours before the alert went out and 155 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
- 5622 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 28 m²/s²
- 0-3 km storm-relative helicity
- 49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
109
WWUS75 KBOU 220949
NPWBOU
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE DENVER CO
349 AM MDT TUE MAR 22 2011
...STRONG WINDS POSSIBLE IN AND NEAR THE FRONT RANGE FOOTHILLS AND
CHEYENNE RIDGE...
.VERY STRONG WINDS ARE EXPECTED TO DEVELOP THIS AFTERNOON
FOLLOWING THE PASSAGE OF A WEAK UPPER LEVEL DISTURBANCE.
WIDESPREAD GUSTY WINDS WILL OCCUR THIS AFTERNOON AND EVENING OVER
MUCH OF NORTHEAST COLORADO. THE STRONGEST WINDS ARE EXPECTED TO
DEVELOP IN AND NEAR THE FRONT RANGE FOOTHILLS AND ALONG THE
CHEYENNE RIDGE...ALONG THE COLORADO AND WYOMING BORDERS.
THE WINDS ARE EXPECTED TO DECREASE BY LATE THIS EVENING.
COZ035-036-038-039-221800-
/O.NEW.KBOU.HW.A.0002.110322T2200Z-110323T0400Z/
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-
LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY-
BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD
COUNTY-
INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND...
RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN...
GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS...
HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN...
LAKEWOOD...LONGMONT
349 AM MDT TUE MAR 22 2011
...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING...
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING.
* TIMING...STRONG WINDS WILL DEVELOP THIS AFTERNOON...THEY WILL BE
THE MOST INTENSE LATE THIS AFTERNOON AND EVENING IN AND NEAR THE
FRONT RANGE FOOTHILLS OF LARIMER...BOULDER AND NORTHERN
JEFFERSON COUNTIES.
* WINDS...WEST WINDS 25 TO 40 MPH ARE EXPECTED WITH GUSTS TO 75
MPH POSSIBLE.
* IMPACTS...THE FIRE DANGER WILL REMAIN HIGH DUE TO THE STRONG
WINDS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD AVOID TRAVEL...
ESPECIALLY ALONG NORTH TO SOUTH ORIENTED ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A HIGH WIND WATCH MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS MAY OCCUR. PERSONS IN THE WATCH AREA SHOULD
REMAIN ALERT TO THE POSSIBILITY OF HIGH WINDS AND BE PREPARED TO
TAKE ACTION SHOULD HIGH WINDS DEVELOP.
&&
$$
COZ042-048-221800-
/O.NEW.KBOU.HW.A.0002.110322T2200Z-110323T0200Z/
NORTHEAST WELD COUNTY-LOGAN COUNTY-
INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES...
RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ
349 AM MDT TUE MAR 22 2011
...HIGH WIND WATCH IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING...
THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM THIS AFTERNOON THROUGH THIS
EVENING.
* TIMING...STRONG WINDS WILL DEVELOP THIS AFTERNOON...THEY WILL BE
THE MOST INTENSE LATE THIS AFTERNOON AND EVENING IN AND NEAR THE
CHEYENNE RIDGE.
* WINDS...WEST TO NORTHWEST WINDS 20 TO 35 MPH CAN BE EXPECTED
WITH GUSTS TO 60 MPH POSSIBLE LATE THIS AFTERNOON AND EVENING.
* IMPACTS...DRIVERS OF HIGH PROFILE VEHICLES SHOULD USE EXTREME
CAUTION...ESPECIALLY ALONG NORTH TO SOUTH ORIENTED ROADWAYS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
REMEMBER...A HIGH WIND WATCH MEANS THAT STRONG AND POTENTIALLY
DAMAGING WINDS MAY OCCUR. PERSONS IN THE WATCH AREA SHOULD
REMAIN ALERT TO THE POSSIBILITY OF HIGH WINDS AND BE PREPARED TO
TAKE ACTION SHOULD HIGH WINDS DEVELOP.
&&
$$1 follow-up statement
318 WWUS75 KBOU 221635 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1035 AM MDT TUE MAR 22 2011 ...STRONG WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS THIS AFTERNOON... .STRONG WINDS WILL DEVELOP ALONG THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS THIS AFTERNOON FOLLOWING THE PASSAGE OF A WEAK UPPER LEVEL DISTURBANCE. GUSTY WINDS WILL OCCUR OVER MUCH OF NORTHEAST COLORADO...BUT DAMAGING WINDS ARE NOT EXPECTED. THE WINDS ARE EXPECTED TO DECREASE BY LATE THIS EVENING. COZ042-048-221745- /O.CAN.KBOU.HW.A.0002.110322T2200Z-110323T0200Z/ NORTHEAST WELD COUNTY-LOGAN COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ 1035 AM MDT TUE MAR 22 2011 ...HIGH WIND WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WATCH. DAMAGING WINDS ARE NOT EXPECTED THIS AFTERNOON. HOWEVER...WEST TO NORTHWEST WINDS OF 25 TO 35 MPH WITH GUSTS TO 50 MPH ARE STILL POSSIBLE. $$ COZ035-036-038-039-230045- /O.UPG.KBOU.HW.A.0002.110322T2200Z-110323T0400Z/ /O.NEW.KBOU.HW.W.0002.110322T2000Z-110323T0400Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT 1035 AM MDT TUE MAR 22 2011 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 10 PM MDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...STRONG WINDS WILL DEVELOP THIS AFTERNOON...THEY WILL BE THE MOST INTENSE LATE THIS AFTERNOON AND EVENING IN AND NEAR THE FRONT RANGE FOOTHILLS OF LARIMER...BOULDER AND NORTHERN JEFFERSON COUNTIES. * WINDS...WEST WINDS OF 45 TO 55 MPH CAN BE EXPECTED DURING THE AFTERNOON...WITH SOME GUSTS TO 65 MPH POSSIBLE. * IMPACTS...THE FIRE DANGER WILL REMAIN HIGH DUE TO THE STRONG WINDS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD AVOID TRAVEL... ESPECIALLY ALONG NORTH TO SOUTH ORIENTED ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$ LESZCYNSKI
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 10:35 AM MDT | High Wind Warning | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more | 11 hr |
Nearby
High Wind Watches in Colorado, 2011Every high wind watch 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.