Alert archive / Colorado / High Wind Warnings in 2011
High Wind Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Mar 22, 2011, 10:06 PM MDT for 8 counties in Colorado. It was in force for 4 hr. 4 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
- Mar 22, 2011, 10:06 PM MDT (04:06 UTC)
- Expired
- Mar 23, 2011, 2:00 AM MDT
- In force
- 4 hr
- 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, Park County, CO
The radar
The Denver radar (KFTG), 70 km from the middle of the area, began a volume at 04:11 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 |
|---|---|---|---|
| Mar 22, 10:43 PM MDT | NON-TSTM WND GST 87 | 3 S Marshall, CO | |
| Mar 22, 10:56 PM MDT | NON-TSTM WND GST 62 | 4 S Boulder, CO | |
| Mar 23, 12:35 AM MDT | NON-TSTM WND GST 73 | 4 S Boulder, CO | |
| Mar 23, 1:00 AM MDT | NON-TSTM WND GST 84 | 6 Nw Boulder, 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, 4.1 hours before the alert went out and 183 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
- 2789 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 211 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
155 WWUS75 KBOU 230406 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1006 PM MDT TUE MAR 22 2011 COZ035-036-039-230800- /O.EXP.KBOU.HW.W.0002.000000T0000Z-110323T0400Z/ /O.NEW.KBOU.HW.W.0003.110323T0406Z-110323T0800Z/ 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- 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...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT 1006 PM MDT TUE MAR 22 2011 ...HIGH WIND WARNING IN EFFECT UNTIL 2 AM MDT WEDNESDAY... ...HIGH WIND WARNING HAS EXPIRED... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 2 AM MDT WEDNESDAY. THE HIGH WIND WARNING IS NO LONGER IN EFFECT. * TIMING...STRONG WINDS WILL CONTINUE THROUGH 2 AM IN AND NEAR THE FRONT RANGE FOOTHILLS OF LARIMER...BOULDER AND NORTHERN JEFFERSON COUNTIES. * WINDS...WEST WINDS OF 35 TO 50 MPH CAN BE EXPECTED THROUGH 2 AM...WITH GUSTS FROM 70 TO 80 MPH POSSIBLE. WINDS SHOULD GRADUALLY DECREASE AFTER 2 AM. THE STRONGEST WINDS WILL BE FROM BOULDER SOUTH TO GOLDEN ALONG HIGHWAY 93. * 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. && $$ COZ038-230515- /O.EXP.KBOU.HW.W.0002.000000T0000Z-110323T0400Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN 1006 PM MDT TUE MAR 22 2011 ...HIGH WIND WARNING HAS EXPIRED... THE HIGH WIND WARNING IS NO LONGER IN EFFECT. $$
1 follow-up statement
324 WWUS75 KBOU 230757 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 157 AM MDT WED MAR 23 2011 COZ035-036-039-230900- /O.EXP.KBOU.HW.W.0003.000000T0000Z-110323T0800Z/ 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- 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...ARVADA...BOULDER... GOLDEN...LAKEWOOD...LONGMONT 157 AM MDT WED MAR 23 2011 ...HIGH WIND WARNING WILL EXPIRE AT 2 AM MDT EARLY THIS MORNING... THE HIGH WIND WARNING WILL EXPIRE AT 2 AM MDT EARLY THIS MORNING. STRONG WEST WINDS HAVE DECREASED BELOW HIGH WIND CRITERIA AND THE HIGH WIND WARNING WILL BE ALLOWED TO EXPIRE. VERY WINDY CONDITIONS WILL CONTINUE TO PREVAIL IN AND NEAR THE FOOTHILLS THROUGH SUNRISE AS WEST WINDS OF 20 TO 35 MPH WITH GUSTS TO 60 MPH PREVAIL. WINDS WILL BECOME LIGHT BY EARLY AFTERNOON. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 23, 3:43 PM MDT | Fire Weather Watch | BOU | Arapahoe, Clear Creek, Douglas, Elbert, Gilpin, Jefferson and 2 more | 11 hr |
Nearby
High Wind Warnings in Colorado, 2011Every high wind warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.