Alert archive / Colorado / High Wind Warnings in 2012
High Wind Warning 14, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Nov 30, 2012, 1:53 PM MST for 4 counties in Colorado. It took effect at Dec 1, 2012, 12:00 AM MST. It was in force for 5 hr. 1 report 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
- Nov 30, 2012, 1:53 PM MST (20:53 UTC)
- In effect from
- Dec 1, 2012, 12:00 AM MST
- Expired
- Dec 1, 2012, 4:39 AM MST
- In force
- 5 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Grand County, CO, Jackson County, CO, Larimer County, CO
The radar
The Cheyenne radar (KCYS), 121 km from the middle of the area, began a volume at 20:54 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 1, 3:08 AM MST | NON-TSTM WND GST 74.4 | 8 Ne Four Corners, 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, 8.9 hours before the alert went out and 227 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
- 2386 m above ground
- 0-6 km bulk shear
- 42 kt
- 0-1 km storm-relative helicity
- -26 m²/s²
- 0-3 km storm-relative helicity
- -1 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
486 WWUS75 KBOU 302053 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 153 PM MST FRI NOV 30 2012 ...HIGH WIND WARNING IN THE NORTHERN FRONT RANGE MOUNTAINS AND FOOTHILLS LATER TONIGHT THROUGH SATURDAY MORNING... .STRENGTHENING WESTERLY FLOW ALOFT COMBINED WITH THE PASSAGE OF A WEAK WEATHER SYSTEM OVERNIGHT WILL BRING STRONG AND GUSTY WINDS TO THE MOUNTAINS AND PORTIONS OF THE FRONT RANGE FOOTHILLS LATE TONIGHT INTO SATURDAY MORNING. THE STRONGEST WINDS ARE EXPECTED TO OCCUR IN THE NORTHERN PORTIONS OF THE FRONT RANGE INCLUDING THE PEAK TO PEAK HIGHWAY...ROCKY MOUNTAIN NATIONAL PARK...THE MEDICINE BOW RANGE...AND RED FEATHER LAKES AREA. COZ033-035-010500- /O.UPG.KBOU.HW.A.0006.121201T0700Z-121201T1800Z/ /O.NEW.KBOU.HW.W.0014.121201T0700Z-121201T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES 153 PM MST FRI NOV 30 2012 ...HIGH WIND WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM MST SATURDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 11 AM MST SATURDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WINDS WILL INCREASE LATE TONIGHT INTO THE EARLY MORNING HOURS SATURDAY. WINDS WILL DECREASE BY NOON SATURDAY. * WINDS...WEST WINDS 25 TO 45 MPH WITH GUSTS AROUND 75 MPH POSSIBLE. * IMPACTS...THE STRONG WINDS WILL BE CAPABLE OF DOWNING WEAKENED BEETLE-KILLED TREES AND ALSO DEAD TREES FROM SUMMER FIRES. FIRE DANGER WILL ALSO INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE WINDS SUBSIDE. && $$
2 follow-up statements
180 WWUS75 KBOU 010458 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 958 PM MST FRI NOV 30 2012 ...HIGH WIND WARNING IN THE NORTHERN FRONT RANGE MOUNTAINS AND FOOTHILLS LATER TONIGHT THROUGH SATURDAY MORNING... .STRENGTHENING WESTERLY FLOW ALOFT COMBINED WITH THE PASSAGE OF A WEAK WEATHER SYSTEM OVERNIGHT WILL BRING STRONG AND GUSTY WINDS TO THE MOUNTAINS AND PORTIONS OF THE FRONT RANGE FOOTHILLS LATE TONIGHT INTO SATURDAY MORNING. THE STRONGEST WINDS ARE EXPECTED TO OCCUR IN THE NORTHERN PORTIONS OF THE FRONT RANGE MOUNTAINS INCLUDING THE AREA AROUND THE PEAK-TO-PEAK HIGHWAY...ROCKY MOUNTAIN NATIONAL PARK...THE MEDICINE BOW RANGE...AND RED FEATHER LAKES AREA. COZ033-035-011300- /O.CON.KBOU.HW.W.0014.121201T0700Z-121201T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES 958 PM MST FRI NOV 30 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 11 AM MST SATURDAY... * TIMING...WINDS WILL INCREASE LATE TONIGHT INTO THE EARLY MORNING HOURS SATURDAY. WINDS WILL DECREASE BY NOON SATURDAY. * WINDS...WEST WINDS 25 TO 45 MPH WITH GUSTS AROUND 75 MPH ARE LIKELY. * IMPACTS...THE STRONG WINDS WILL BE CAPABLE OF DOWNING WEAKENED BEETLE-KILLED TREES AND ALSO DEAD TREES FROM SUMMER FIRES. FIRE DANGER WILL ALSO INCREASE. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. RESIDENTS SHOULD MOVE TRASH CANS...PATIO FURNITURE...AND ANY OTHER ITEMS EASILY TOSSED ABOUT BY HIGH WINDS INDOORS. MOTORISTS TRAVELING IN HIGH PROFILE VEHICLES SHOULD CONSIDER DELAYING TRAVEL UNTIL THE WINDS SUBSIDE. && $$ BAKER
143 WWUS75 KBOU 011139 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 439 AM MST SAT DEC 1 2012 COZ033-035-011245- /O.CAN.KBOU.HW.W.0014.000000T0000Z-121201T1800Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS...ESTES PARK... GLENDEVEY...NEDERLAND...RED FEATHER LAKES 439 AM MST SAT DEC 1 2012 ...HIGH WIND WARNING IS CANCELLED... WHILE STRONG GUSTY WINDS WILL OCCUR ACROSS THE FRONT RANGE MOUNTAINS AND FOOTHILLS THIS MORNING...DAMAGING WINDS ARE NO LONGER EXPECTED. PEAK GUSTS ARE NOW EXPECTED TO APPROACH 60 MPH IN WIND PRONE AREAS OF THE NORTHERN FRONT RANGE MOUNTAINS AND FOOTHILLS. MOST LOCATIONS WILL SEE GUSTS CLOSER TO 40 MPH. $$ BARJENBRUCH
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 30, 4:57 AM MST | High Wind Watch | BOU | Boulder, Grand, Jackson, Larimer | 9 hr |
Nearby
High Wind Warnings in Colorado, 2012Every high wind warning in 2012
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.