Alert archive / Colorado / High Wind Warnings in 2017
High Wind Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Jan 10, 2017, 9:38 AM MST for 7 counties in Colorado. It took effect at Jan 10, 2017, 2:00 PM MST. It was in force for 14 hr. 15 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
- Jan 10, 2017, 9:38 AM MST (16:38 UTC)
- In effect from
- Jan 10, 2017, 2:00 PM MST
- Expired
- Jan 11, 2017, 4:27 AM MST
- In force
- 14 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder 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), 74 km from the middle of the area, began a volume at 16:38 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 |
|---|---|---|---|
| Jan 10, 4:00 PM MST | NON-TSTM WND GST 70 | Berthoud Pass, CO | |
| Jan 10, 4:34 PM MST | NON-TSTM WND GST 56 | 1 S Hygiene, CO | |
| Jan 10, 7:05 PM MST | NON-TSTM WND GST 51 | 3 N Boulder, CO | |
| Jan 10, 7:15 PM MST | NON-TSTM WND GST 76 | 4 Nnw White Ranch Open, CO | |
| Jan 10, 7:47 PM MST | NON-TSTM WND GST 52 | 2 E Golden, CO | |
| Jan 10, 8:20 PM MST | NON-TSTM WND GST 51 | Franktown, CO | |
| Jan 10, 8:44 PM MST | NON-TSTM WND GST 52 | Chatfield Reservoir, CO | |
| Jan 10, 8:57 PM MST | NON-TSTM WND GST 53 | 2 Ssw Roxborough Park, CO | |
| Jan 10, 9:40 PM MST | NON-TSTM WND GST 68 | 3 Ssw Boulder, CO | NCAR MESA LAB |
| Jan 10, 11:20 PM MST | NON-TSTM WND GST 70 | 3 Ssw Boulder, CO | NCAR MESA LAB |
| Jan 10, 11:25 PM MST | NON-TSTM WND GST 70 | 6 Nw Lyons, CO | |
| Jan 10, 11:50 PM MST | NON-TSTM WND GST 68 | 2 Ssw Boulder, CO | |
| Jan 11, 12:01 AM MST | NON-TSTM WND GST 74 | 2 Sw Rocky Flats, CO | |
| Jan 11, 12:15 AM MST | NON-TSTM WND GST 72 | 3 Ssw Boulder, CO | NCAR MESA LAB |
| Jan 11, 12:25 AM MST | NON-TSTM WND GST 65 | 5 N 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 (KDEN), launched 12:00Z, 4.6 hours before the alert went out and 187 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
- 1961 m above ground
- 0-6 km bulk shear
- 65 kt
- 0-1 km storm-relative helicity
- 36 m²/s²
- 0-3 km storm-relative helicity
- 74 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
805 WWUS75 KBOU 101638 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 938 AM MST TUE JAN 10 2017 PERIODS OF VERY STRONG AND GUSTY CHINOOK WINDS ARE EXPECTED TO OCCUR IN THE FRONT RANGE FOOTHILLS BEGINNING THIS AFTERNOON. WINDS SHOULD THEN WEAKEN SOME FOR A TIME THIS EVENING...THEN INTENSIFY AGAIN AFTER MIDNIGHT. WIND GUSTS TO AROUND 75 MPH ARE LIKELY IN THOSE OPEN AREAS PRONE TO HIGH WINDS..SUCH AS THE PEAK- TO-PEAK HIGHWAY...NEAR THE WYOMING BORDER SUCH AS ALONG HIGHWAY 287 NORTHWEST OF FORT COLLINS...ALONG HIGHWAY 36 FROM LYON TO ESTES PARK AND IN THE FOOTHILL CANYONS OF JEFFERSON...BOULDER AND LARIMER COUNTIES. COZ035-036-110045- /O.UPG.KBOU.HW.A.0003.170110T2100Z-170111T1200Z/ /O.NEW.KBOU.HW.W.0004.170110T2100Z-170111T1300Z/ 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 ESTES PARK, GLENDEVEY, NEDERLAND, RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, IDAHO SPRINGS, AND WESTCREEK 938 AM MST TUE JAN 10 2017 ...HIGH WIND WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 AM MST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING, WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 6 AM MST WEDNESDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...WEST WINDS WILL INCREASE BY MID AFTERNOON AND CONTINUE TONIGHT. STRONGEST WINDS ARE EXPECTED LATE THIS AFTERNOON AND EVENING EVENING AND AFTER MIDNIGHT TONIGHT. * WINDS...WEST 25 TO 40 MPH WITH GUSTS TO 75 MPH. * IMPACTS...VERY STRONG AND GUSTY WINDS MAY CAUSE DAMAGE TO TREES AND POWER LINES AND DISRUPT POWER. DRIVERS OF LIGHT WEIGHT AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO SUDDEN AND ERRATIC CROSS WINDS. THE VERY STRONG WINDS MAY ALSO PRODUCE BLOWING SNOW THAT COULD CAUSE A REDUCTION IN VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$ BAKER
3 follow-up statements
661 WWUS75 KBOU 110013 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 513 PM MST TUE JAN 10 2017 PERIODS OF VERY STRONG AND GUSTY CHINOOK WINDS WILL CONTINUE OVER THE FRONT RANGE FOOTHILLS OVERNIGHT. WINDS MAY WEAKEN SOME FOR A TIME DURING THE EARLY EVENING HOURS...THEN INTENSIFY AGAIN AFTER MIDNIGHT. WIND GUSTS TO AROUND 75 MPH ARE LIKELY IN OPEN AREAS PRONE TO HIGH WINDS..SUCH AS THE PEAK TO PEAK HIGHWAY...NEAR THE WYOMING BORDER SUCH AS ALONG HIGHWAY 287 NORTHWEST OF FORT COLLINS...ALONG HIGHWAY 36 FROM LYON TO ESTES PARK AND IN THE FOOTHILL CANYONS OF JEFFERSON...BOULDER AND LARIMER COUNTIES. COZ035-036-110815- /O.CON.KBOU.HW.W.0004.000000T0000Z-170111T1300Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING THE CITIES OF ESTES PARK, GLENDEVEY, NEDERLAND, RED FEATHER LAKES, BAILEY, CENTRAL CITY, EVERGREEN, GEORGETOWN, IDAHO SPRINGS, AND WESTCREEK 513 PM MST TUE JAN 10 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST WEDNESDAY... * TIMING...WEST WINDS WILL INCREASE BY MID AFTERNOON AND CONTINUE TONIGHT. STRONGEST WINDS ARE EXPECTED LATE THIS AFTERNOON AND EVENING EVENING AND AFTER MIDNIGHT TONIGHT. * WINDS...WEST 25 TO 40 MPH WITH GUSTS TO 75 MPH. * IMPACTS...VERY STRONG AND GUSTY WINDS MAY CAUSE DAMAGE TO TREES AND POWER LINES AND DISRUPT POWER. DRIVERS OF LIGHT WEIGHT AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO SUDDEN AND ERRATIC CROSS WINDS. THE VERY STRONG WINDS MAY ALSO PRODUCE BLOWING SNOW THAT COULD CAUSE A REDUCTION IN VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
869 WWUS75 KBOU 110510 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 1010 PM MST TUE JAN 10 2017 PERIODS OF VERY STRONG AND GUSTY CHINOOK WINDS WILL CONTINUE OVER THE FRONT RANGE FOOTHILLS TONIGHT. AFTER A LULL IN THE WIND EARLIER THIS EVENING...SPEEDS HAVE BEGUN INCREASING AGAIN. WIND GUSTS TO 75 MPH ARE LIKELY IN AREAS PRONE TO HIGH WINDS...SUCH AS THE PEAK TO PEAK HIGHWAY...ALONG HIGHWAY 287 NORTHWEST OF FORT COLLINS...ALONG HIGHWAY 36 BETWEEN LYONS AND ESTES PARK AND IN THE FOOTHILL CANYONS OF JEFFERSON...BOULDER AND LARIMER COUNTIES. COZ035-036-111300- /O.CON.KBOU.HW.W.0004.000000T0000Z-170111T1300Z/ 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- 1010 PM MST TUE JAN 10 2017 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 AM MST WEDNESDAY... * TIMING...WEST WINDS WILL CONTINUE OVERNIGHT. THE STRONGEST WINDS ARE EXPECTED AFTER MIDNIGHT. * WINDS...WEST 30 TO 45 MPH WITH GUSTS TO 75 MPH. * IMPACTS...VERY STRONG AND GUSTY WINDS MAY CAUSE DAMAGE TO TREES AND POWER LINES AND DISRUPT POWER. DRIVERS OF LIGHT WEIGHT AND HIGH PROFILE VEHICLES ARE ESPECIALLY SUSCEPTIBLE TO SUDDEN AND ERRATIC CROSS WINDS. THE VERY STRONG WINDS MAY ALSO PRODUCE BLOWING SNOW THAT COULD CAUSE A REDUCTION IN VISIBILITY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A HIGH WIND WARNING MEANS A HAZARDOUS HIGH WIND EVENT IS EXPECTED OR OCCURRING. SUSTAINED WIND SPEEDS OF AT LEAST 40 MPH OR GUSTS OF 58 MPH OR MORE CAN LEAD TO PROPERTY DAMAGE. && $$
395 WWUS75 KBOU 111127 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER/BOULDER CO 427 AM MST WED JAN 11 2017 COZ035-036-111230- /O.CAN.KBOU.HW.W.0004.000000T0000Z-170111T1300Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 427 AM MST WED JAN 11 2017 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WARNING. WEST TO SOUTHWEST WINDS OF 15 TO 30 MPH WITH A FEW GUSTS FROM 50 TO 60 MPH WILL BE POSSIBLE THROUGH THE MORNING HOURS. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 10, 1:13 AM MST | High Wind Warning | BOU | Larimer, Weld | 9 min |
| Jan 10, 1:22 AM MST | High Wind Warning | BOU | Larimer, Weld | 3 hr |
| Jan 10, 4:29 AM MST | High Wind Watch | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 5 hr |
| Jan 10, 4:53 AM MST | Winter Weather Advisory | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 19 hr |
| Jan 10, 11:53 AM MST | Winter Storm Warning | BOU | Boulder, Clear Creek, Gilpin, Grand, Jackson, Jefferson and 3 more | 36 hr |
Nearby
High Wind Warnings in Colorado, 2017Every high wind warning in 2017
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.