Alert archive / Colorado / High Wind Warnings in 2011
High Wind Warning 2, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Mar 22, 2011, 10:35 AM MDT for 9 counties in Colorado. It took effect at Mar 22, 2011, 2:00 PM MDT. It was in force for 8 hr. 17 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, 10:35 AM MDT (16:35 UTC)
- In effect from
- Mar 22, 2011, 2:00 PM MDT
- Expired
- Mar 22, 2011, 10:00 PM MDT
- In force
- 8 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, Weld County, CO
The radar
The Denver radar (KFTG), 62 km from the middle of the area, began a volume at 16:33 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, 3:47 PM MDT | NON-TSTM WND GST 63 | 4 Sw Broomfield, CO | |
| Mar 22, 4:00 PM MDT | NON-TSTM WND GST 61 | Longmont, CO | LONGMONT AIRPORT |
| Mar 22, 4:30 PM MDT | NON-TSTM WND GST 61 | 5 W Berthoud, CO | |
| Mar 22, 4:30 PM MDT | NON-TSTM WND GST 64 | 6 Nw Berthoud, CO | |
| Mar 22, 4:30 PM MDT | NON-TSTM WND GST 73 | 3 S Marshall, CO | WIND TECHNOLOGY CENTER |
| Mar 22, 4:46 PM MDT | NON-TSTM WND GST 69 | 4 Sw Broomfield, CO | |
| Mar 22, 4:51 PM MDT | NON-TSTM WND GST 80 | 7 Wnw Berthoud, CO | |
| Mar 22, 5:00 PM MDT | NON-TSTM WND GST 64 | 6 Nw Carr, CO | |
| Mar 22, 5:00 PM MDT | NON-TSTM WND GST 77 | 3 S Marshall, CO | WIND TECHNOLOGY CENTER |
| Mar 22, 5:31 PM MDT | NON-TSTM WND GST 64 | 2 N Longmont, CO | |
| Mar 22, 5:48 PM MDT | NON-TSTM WND GST 72 | 4 Sw Broomfield, CO | |
| Mar 22, 6:00 PM MDT | NON-TSTM WND GST 58 | 4 W Lakewood, CO | |
| Mar 22, 7:23 PM MDT | NON-TSTM WND GST 80 | 3 S Marshall, CO | |
| Mar 22, 7:30 PM MDT | NON-TSTM WND GST 64 | 4 W Lakewood, CO | |
| Mar 22, 8:14 PM MDT | NON-TSTM WND GST 85 | 3 S Marshall, CO | |
| Mar 22, 10:00 PM MDT | NON-TSTM WND GST 66 | 4 W Lakewood, CO | |
| Mar 22, 10:00 PM MDT | NON-TSTM WND GST 82 | 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 12:00Z, 4.6 hours before the alert went out and 173 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
- 1756 m above ground
- 0-6 km bulk shear
- 45 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 52 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
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
3 follow-up statements
899 WWUS75 KBOU 222147 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 347 PM MDT TUE MAR 22 2011 ...STRONG WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS FROM LATE THIS AFTERNOON THROUGH EARLY THIS EVENING... .STRONG WINDS WILL CONTINUE ALONG THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS THROUGH EARLY THIS EVENING FOLLOWING THE PASSAGE OF A WEAK UPPER LEVEL DISTURBANCE. THE WINDS ARE EXPECTED TO DECREASE BY LATE THIS EVENING. COZ035-036-038-039-230400- /O.CON.KBOU.HW.W.0002.000000T0000Z-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 347 PM MDT TUE MAR 22 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING. * TIMING...STRONG WINDS WILL CONTINUE THROUGH EARLY THIS 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 70 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. && $$
983 WWUS75 KBOU 230017 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 617 PM MDT TUE MAR 22 2011 ...STRONG WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS THROUGH EARLY THIS EVENING... .STRONG WINDS WILL CONTINUE ALONG THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS THROUGH EARLY THIS EVENING FOLLOWING THE PASSAGE OF A WEAK UPPER LEVEL DISTURBANCE. THE WINDS ARE EXPECTED TO DECREASE BY LATE THIS EVENING. COZ035-036-038-039-230400- /O.CON.KBOU.HW.W.0002.000000T0000Z-110323T0400Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING THE CITIES OF...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT 617 PM MDT TUE MAR 22 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 10 PM MDT THIS EVENING. * TIMING...STRONG WINDS WILL CONTINUE THROUGH EARLY THIS EVENING IN AND NEAR THE FRONT RANGE FOOTHILLS OF LARIMER...BOULDER AND NORTHERN JEFFERSON COUNTIES. * WINDS...WEST WINDS OF 45 TO 55 MPH CAN BE EXPECTED DURING THE EVENING...WITH GUSTS FROM 70 TO 80 MPH POSSIBLE. * IMPACTS...THE FIRE DANGER WILL REMAIN HIGH DUE TO THE STRONG WINDS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD AVOID TRAVEL... ESPECIALLY ALONG NORTH TO SOUTH ORIENTED ROADWAYS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
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. && $$ COZ038-230515- /O.EXP.KBOU.HW.W.0002.000000T0000Z-110323T0400Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN 1006 PM MDT TUE MAR 22 2011 ...HIGH WIND WARNING HAS EXPIRED... THE HIGH WIND WARNING IS NO LONGER IN EFFECT. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 22, 3:49 AM MDT | High Wind Watch | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 4 more | 7 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.