Alert archive / Colorado / High Wind Warnings in 2012
High Wind Warning 12, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Oct 17, 2012, 4:29 AM MDT for 7 counties in Colorado. It took effect at Oct 17, 2012, 12:00 PM MDT. It was in force for 6 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Oct 17, 2012, 4:29 AM MDT (10:29 UTC)
- In effect from
- Oct 17, 2012, 12:00 PM MDT
- Expired
- Oct 17, 2012, 6:00 PM MDT
- In force
- 6 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Larimer County, CO, Logan County, CO, Morgan County, CO, Phillips County, CO, Sedgwick County, CO, Washington County, CO, Weld County, CO
The radar
The Denver radar (KFTG), 119 km from the middle of the area, began a volume at 10:26 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.
The nearest sounding before it
N. Platte/Lee Bi, NE (KLBF), launched 00:00Z, 10.5 hours before the alert went out and 255 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
- 3427 m above ground
- 0-6 km bulk shear
- 47 kt
- 0-1 km storm-relative helicity
- 153 m²/s²
- 0-3 km storm-relative helicity
- 235 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
672 WWUS75 KBOU 171029 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 429 AM MDT WED OCT 17 2012 ...STRONG WINDS EXPECTED THIS AFTERNOON OVER THE NORTHEAST PLAINS... .AS A STRONG UPPER LEVEL JET STREAM MOVES OVER COLORADO TODAY...STRONG SURFACE WINDS WILL SPREAD ACROSS THE NORTHEAST COLORADO PLAINS. WINDS ARE EXPECTED TO INCREASE ON THE PLAINS BY LATE MORNING AND THEN CONTINUE INCREASING THROUGH THE AFTERNOON HOURS. WINDS WILL THEN DIMINISH LATER THIS EVENING AS THE UPPER LEVEL JET MOVES TO THE EAST OF COLORADO. COZ042-048-050-051-171830- /O.UPG.KBOU.HW.A.0005.121017T1800Z-121018T0000Z/ /O.NEW.KBOU.HW.W.0012.121017T1800Z-121018T0000Z/ NORTHEAST WELD COUNTY-LOGAN COUNTY-SEDGWICK COUNTY- PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...CROOK...MERINO...STERLING...PEETZ... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 429 AM MDT WED OCT 17 2012 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. * TIMING...STRONG NORTHWEST WINDS ARE EXPECTED TO DEVELOP LATE IN THE MORNING AND THEN CONTINUE INCREASING THROUGH THE AFTERNOON HOURS. * WINDS...NORTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH POSSIBLE DURING THE AFTERNOON. * IMPACTS...MOTORISTS AND DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE ALERT FOR DANGEROUS CROSS WINDS. AREAS OF BLOWING DUST MAY ALSO DEVELOP...CAUSING POOR VISIBILITY AT TIMES. UNSECURED ITEMS LIKE LAWN FURNITURE AND TRASH CANS MAY ALSO BE PICKED UP AND MOVED BY THE GUSTY WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$ COZ038-043-044-049-171830- /O.NEW.KBOU.HW.W.0012.121017T1800Z-121018T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY-WASHINGTON COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH... FORT MORGAN...GOODRICH...WIGGINS...AKRON...COPE...LAST CHANCE... OTIS 429 AM MDT WED OCT 17 2012 ...HIGH WIND WARNING IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM NOON TODAY TO 6 PM MDT THIS EVENING. * TIMING...STRONG NORTHWEST WINDS ARE EXPECTED TO DEVELOP LATE IN THE MORNING AND THEN CONTINUE INCREASING THROUGH THE AFTERNOON HOURS. * WINDS...NORTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS OF 50 TO 60 MPH POSSIBLE DURING THE AFTERNOON. * IMPACTS...MOTORISTS AND DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE ALERT FOR DANGEROUS CROSS WINDS. AREAS OF BLOWING DUST MAY ALSO DEVELOP...CAUSING POOR VISIBILITY AT TIMES. UNSECURED ITEMS LIKE LAWN FURNITURE AND TRASH CANS MAY ALSO BE PICKED UP AND MOVED BY THE GUSTY WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
2 follow-up statements
482 WWUS75 KBOU 171759 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1159 AM MDT WED OCT 17 2012 ...STRONG WINDS EXPECTED THIS AFTERNOON OVER THE NORTHEAST PLAINS... .AS A STRONG UPPER LEVEL JET STREAM MOVES OVER COLORADO TODAY... STRONG SURFACE WINDS WILL SPREAD ACROSS THE NORTHEAST COLORADO PLAINS. WINDS ARE EXPECTED TO INCREASE ON THE PLAINS AND CONTINUE THROUGH MUCH OF THE AFTERNOON. THE WIND WILL THEN DIMINISH LATER THIS EVENING AS THE UPPER LEVEL JET MOVES TO THE EAST OF COLORADO. COZ038-042>044-048>051-180000- /O.CON.KBOU.HW.W.0012.121017T1800Z-121018T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 1159 AM MDT WED OCT 17 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... * TIMING...STRONG NORTHWEST WINDS ARE EXPECTED TO CONTINUE THROUGH THE AFTERNOON HOURS. * WINDS...NORTHWEST WINDS OF 25 TO 40 MPH WITH GUSTS UP TO 60 MPH POSSIBLE. * IMPACTS...MOTORISTS AND DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE ALERT FOR DANGEROUS CROSS WINDS. AREAS OF BLOWING DUST MAY ALSO DEVELOP...CAUSING POOR VISIBILITY AT TIMES. UNSECURED ITEMS LIKE LAWN FURNITURE AND TRASH CANS MAY ALSO BE PICKED UP AND MOVED BY THE GUSTY WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
669 WWUS75 KBOU 172356 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 556 PM MDT WED OCT 17 2012 COZ038-042>044-048>051-180100- /O.EXP.KBOU.HW.W.0012.000000T0000Z-121018T0000Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 556 PM MDT WED OCT 17 2012 ...HIGH WIND WARNING WILL EXPIRE AT 6 PM MDT THIS EVENING... THE THREAT OF WARNING LEVEL WIND SPEEDS OF 58 MPH OR MORE HAS ENDED. HOWEVER...WINDS WILL REMAIN GUSTY FOR THE NEXT FEW HOURS WITH SPEEDS IN THE 30 TO 40 MPH RANGE AT TIMES ACROSS THE NORTHEASTERN PLAINS. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 16, 11:55 PM MDT | Special Weather Statement | BOU | Denver | 20 min |
| Oct 17, 2:26 PM MDT | Red Flag Warning | BOU | Adams, Arapahoe, Douglas, Elbert, Larimer, Lincoln and 6 more | 28 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.