Alert archive / Colorado / High Wind Warnings in 2015
High Wind Warning 3, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Nov 18, 2015, 3:29 AM MST for 10 counties in Colorado. It was in force for 9 hr. 12 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
- Nov 18, 2015, 3:29 AM MST (10:29 UTC)
- Expired
- Nov 18, 2015, 12:00 PM MST
- In force
- 9 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 10:30 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 |
|---|---|---|---|
| Nov 18, 5:18 AM MST | NON-TSTM WND GST 78 | 3 Ene Nederland, CO | |
| Nov 18, 5:56 AM MST | NON-TSTM WND GST 78 | 4 Ene Nederland, CO | SUSTAINED 50 MPH. |
| Nov 18, 6:01 AM MST | NON-TSTM WND GST 100 | 2 S Gold Hill, CO | SUSTAINED 59 MPH. |
| Nov 18, 6:30 AM MST | NON-TSTM WND GST 84 | 2 Nw Rocky Flats, CO | NATIONAL WIND TECHNOLOGY CENTER |
| Nov 18, 7:00 AM MST | NON-TSTM WND GST 50 | 4 Sse Pinecliffe, CO | SUSTAINED WINDS OF 50 MPH WITH UNKNOWN HIGHER GUSTS. SEVERAL DEAD TREES BLOW OVER, WHITEOUT CONDITIONS AND POWER OUTAGES IN COAL CREEK CANYON. |
| Nov 18, 7:00 AM MST | NON-TSTM WND GST 70 | 3 S Evergreen, CO | |
| Nov 18, 7:20 AM MST | NON-TSTM WND GST 98 | 2 Nw Rocky Flats, CO | NATIONAL WIND TECHNOLOGY CENTER |
| Nov 18, 7:25 AM MST | NON-TSTM WND GST 90 | 3 Ssw Boulder, CO | |
| Nov 18, 7:25 AM MST | NON-TSTM WND GST 94 | 3 S Boulder, CO | NCAR MESA LAB |
| Nov 18, 7:33 AM MST | NON-TSTM WND GST 77 | Nw Fort Collins, CO | CHRISTMAN FIELD AT COLORADO STATE UNIVERSITY. REPORTS OF CAR WINDOWS SHATTERED NORTHWEST FORT COLLINS EARLIER THIS MORNING |
| Nov 18, 7:36 AM MST | NON-TSTM WND GST 102 | 2 Nw Rocky Flats, CO | NATIONAL WIND TECHNOLOGY CENTER |
| Nov 18, 10:04 AM MST | NON-TSTM WND GST 70 | 3 S Evergreen, 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 (KDEN), launched 00:00Z, 10.5 hours before the alert went out and 206 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
- 2588 m above ground
- 0-6 km bulk shear
- 79 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 290 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
899 WWUS75 KBOU 181029 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 329 AM MST WED NOV 18 2015 ...HIGH WINDS WEST OF DENVER AND BOULDER THIS MORNING... .THE JET STREAM INTERACTING WITH THE MOUNTAINS WILL CREATE HIGH WINDS ALONG THE EAST SLOPES OF THE FRONT RANGE THIS MORNING. THE WINDS WILL BE STRONGEST IN THE NORMALLY WIND PRONE AREAS JUST WEST OF GOLDEN AND BOULDER...ALTHOUGH THERE WILL BE STRONG WINDS IN OTHER EXPOSED FOOTHILL LOCATIONS ESPECIALLY ABOVE 8000 FEET. WIND GUSTS TO 80 MPH CAN BE EXPECTED THIS MORNING. THE WINDS WILL CAUSE EXTENSIVE BLOWING SNOW IN THE MOUNTAINS AND FOOTHILLS...AND NEAR BLIZZARD CONDITIONS CAN BE EXPECTED ABOVE TIMBERLINE. COZ033>036-181900- /O.NEW.KBOU.HW.W.0003.151118T1029Z-151118T1900Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-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- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 329 AM MST WED NOV 18 2015 ...HIGH WIND WARNING IN EFFECT UNTIL NOON MST TODAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL NOON MST TODAY. * TIMING...HIGH WINDS WILL CONTINUE THIS MORNING...DECREASING THIS AFTERNOON. * WINDS...WEST WINDS AT 30 TO 50 MPH WITH GUSTS TO 80 MPH IN WIND PRONE LOCATIONS. * IMPACTS...AREAS OF BLOWING AND DRIFTING SNOW WITH NEAR BLIZZARD CONDITIONS IN HIGHER OPEN AREAS. DAMAGE TO TREES...POWER LINES...AND SHINGLES POSSIBLE. DANGEROUS CROSSWINDS ON NORTH TO SOUTH HIGHWAYS INCLUDING THE PEAK TO PEAK HIGHWAY AND HIGHWAY 93 AROUND ROCKY FLATS. 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. && $$ GIMMESTAD
1 follow-up statement
897 WWUS75 KBOU 181900 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1200 PM MST WED NOV 18 2015 ...SOME WINDS WILL CONTINUE...BUT HIGH WIND WARNING IS EXPIRING AT NOON... .A VERY STRONG PRESSURE GRADIENT OVER COLORADO WILL SLOWLY RELAX THIS AFTERNOON AND EVENING. GUSTY WINDS WILL CONTINUE...NOT QUITE AS STRONG AS WE SAW THIS MORNING. COZ033>036-182000- /O.EXP.KBOU.HW.W.0003.000000T0000Z-151118T1900Z/ SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF...CAMERON PASS... LARAMIE AND MEDICINE BOW MOUNTAINS...RABBIT EARS RANGE... ROCKY MOUNTAIN NATIONAL PARK...WILLOW CREEK PASS... BERTHOUD PASS...BRECKENRIDGE...EAST SLOPES MOSQUITO RANGE... EAST SLOPES SOUTHERN GORE RANGE...EISENHOWER TUNNEL... INDIAN PEAKS...KENOSHA MOUNTAINS...MOUNT EVANS... WILLIAMS FORK MOUNTAINS...WINTER PARK...ESTES PARK...GLENDEVEY... NEDERLAND...RED FEATHER LAKES...BAILEY...CENTRAL CITY... EVERGREEN...GEORGETOWN...IDAHO SPRINGS...WESTCREEK 1200 PM MST WED NOV 18 2015 ...HIGH WIND WARNING WILL EXPIRE AT NOON MST TODAY... |THIS AFTERNOON AND EVENING THERE WILL BE SOME WIND GUSTS IN THE EXPOSED AREAS AS HIGH AS 70 MPH. WITH FALLING SNOW IN THE MOUNTAINS THERE WILL BE AREAS OF LOWER VISIBILITIES IN SNOW AND BLOWING SNOW. DRIVE WITH CARE IN THE HIGH COUNTRY|. $$
Nearby
High Wind Warnings in Colorado, 2015Every high wind warning in 2015
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.