Alert archive / Colorado / High Wind Warnings in 2011
High Wind Warning 4, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Apr 14, 2011, 11:04 AM MDT for 8 counties in Colorado. It took effect at Apr 14, 2011, 6:00 PM MDT. It was in force for 22 hr. 2 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
- Apr 14, 2011, 11:04 AM MDT (17:04 UTC)
- In effect from
- Apr 14, 2011, 6:00 PM MDT
- Expired
- Apr 15, 2011, 3:43 PM MDT
- In force
- 22 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Elbert County, CO, Lincoln 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), 109 km from the middle of the area, began a volume at 17:01 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 |
|---|---|---|---|
| Apr 15, 12:30 AM MDT | NON-TSTM WND GST 58 | 1 Sw Cedar Point, CO | |
| Apr 15, 7:00 AM MDT | NON-TSTM WND GST 60 | 4 Wsw Thurman, 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, 5.1 hours before the alert went out and 34 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
- 614 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 117 m²/s²
- 0-3 km storm-relative helicity
- 167 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
388 WWUS75 KBOU 141704 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1104 AM MDT THU APR 14 2011 ...HIGH WINDS EXPECTED TO DEVELOP OVER THE PLAINS BY THIS EVENING AND CONTINUE THROUGH FRIDAY... .A STRONG STORM SYSTEM WINDING UP OVER THE CENTRAL PLAINS WILL BRING STRONG NORTHWEST WINDS TO THE EASTERN PLAINS OF COLORADO. THE WINDS WILL INCREASE THROUGH THE AFTERNOON HOURS...WITH HIGH WINDS DEVELOPING BY THIS EVENING. SUSTAINED SPEEDS OF 30 TO 40 MPH WILL OCCUR...WITH GUSTS REACHING 60 MPH. IN ADDITION...SOME SNOW WILL ALSO ACCUMULATE ACROSS THE NORTHEAST PLAINS OF COLORADO. WHILE THIS SNOW WILL BE WET AND SLUSHY...THE VERY STRONG WINDS MAY ALSO PRODUCE SOME BLOWING SNOW AND REDUCED VISIBILITIES. COZ042-044-046>051-150300- /O.NEW.KBOU.HW.W.0004.110415T0000Z-110416T0000Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 1104 AM MDT THU APR 14 2011 ...HIGH WIND WARNING IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 6 PM THIS EVENING TO 6 PM MDT FRIDAY. * TIMING...WINDS WILL INCREASE THIS AFTERNOON AND BECOMING VERY STRONG AND GUSTY BY EVENING. THE STRONG WINDS WILL CONTINUE THROUGH TONIGHT AND MUCH OF FRIDAY...BEFORE DECREASING LATE IN THE DAY. * WINDS...NORTHWEST WINDS WILL INCREASE TO 30 TO 40 MPH WITH GUSTS TO 60 MPH. * IMPACTS...DANGEROUS DRIVING CONDITIONS WILL DEVELOP THIS EVENING AS STRONG WINDS DEVELOP. DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR STRONG CROSS WINDS. THIS INCLUDES COMMERCIAL VEHICLES TRAVELING ON I-76 EAST OF WIGGINS AND I-70 FROM LIMON EASTWARD. CONSIDER DELAYING TRAVEL IF YOUR VEHICLE IS SUBJECT TO HIGH WINDS. * OTHER IMPACTS...SOME BLOWING SNOW WITH REDUCED VISIBILITIES TO ONE QUARTER MILE OR LESS MAY ALSO DEVELOP BY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$ BARJENBRUCH
4 follow-up statements
843 WWUS75 KBOU 150403 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1003 PM MDT THU APR 14 2011 ...HIGH WINDS TO CONTINUE OVER THE PLAINS THROUGH TONIGHT AND FRIDAY... .PRESSURE GRADIENTS ASSOCIATED WITH THE STRONG STORM SYSTEM OVER THE CENTRAL PLAINS TONIGHT WILL BRING STRONG NORTHWEST WINDS TO THE EASTERN PLAINS OF COLORADO. GUSTY WINDS ARE EXPECTED TO CONTINUE OVERNIGHT AS THE MAIN LOW PRESSURE AREA SLOWLY TRACK ACROSS CENTRAL KANSAS. SUSTAINED WIND SPEEDS OF 30 TO 40 MPH WILL OCCUR...WITH GUSTS REACHING 60 MPH. MOST SNOWFALL OVER NORTHEAST COLORADO HAS COME TO AN END...BUT THE GUSTY WINDS WILL CONTINUE PRODUCING COLD WIND CHILLS FOR MID- APRIL. COZ042-044-046>051-151215- /O.CON.KBOU.HW.W.0004.000000T0000Z-110416T0000Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 1003 PM MDT THU APR 14 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT FRIDAY. * TIMING...STRONG WINDS WILL CONTINUE TO BLOW THROUGH TONIGHT AND EARLY FRIDAY BEFORE DECREASING IN THE AFTERNOON. * WINDS...NORTHWEST WINDS WILL BE SUSTAINED AT 30 TO 40 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...DANGEROUS DRIVING CONDITIONS WILL CONTINUE BECAUSE OF STRONG WINDS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR STRONG CROSS WINDS. THIS INCLUDES COMMERCIAL VEHICLES TRAVELING ON I-76 EAST OF WIGGINS AND I-70 FROM LIMON EASTWARD. CONSIDER DELAYING TRAVEL IF YOUR VEHICLE IS SUBJECT TO HIGH WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
427 WWUS75 KBOU 150915 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 315 AM MDT FRI APR 15 2011 ...HIGH WINDS TO CONTINUE OVER THE NORTHEAST PLAINS TODAY... .PRESSURE GRADIENTS ASSOCIATED WITH THE STRONG STORM SYSTEM OVER THE CENTRAL PLAINS TODAY ALLOW FOR STRONG NORTHWEST WINDS TO CONTINUE ACROSS EASTERN PLAINS OF COLORADO. SUSTAINED WIND SPEEDS OF 30 TO 40 MPH WILL OCCUR...WITH GUSTS REACHING 60 MPH. COZ042-044-046>051-151715- /O.CON.KBOU.HW.W.0004.000000T0000Z-110416T0000Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 315 AM MDT FRI APR 15 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING...STRONG WINDS WILL CONTINUE TODAY...STRONGEST THROUGH EARLY AFTERNOON. * WINDS...NORTHWEST WINDS WILL BE SUSTAINED AT 25 TO 40 MPH WITH GUSTS UP TO 60 MPH. * IMPACTS...DANGEROUS DRIVING CONDITIONS WILL CONTINUE BECAUSE OF STRONG WINDS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR STRONG CROSS WINDS. THIS INCLUDES COMMERCIAL VEHICLES TRAVELING ON I-76 EAST OF WIGGINS AND I-70 FROM LIMON EASTWARD. CONSIDER DELAYING TRAVEL IF YOUR VEHICLE IS SUBJECT TO HIGH WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
416 WWUS75 KBOU 151624 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1024 AM MDT FRI APR 15 2011 ...HIGH WINDS TO CONTINUE OVER PORTIONS OF THE NORTHEAST PLAINS TODAY... .A STRONG STORM SYSTEM OVER THE CENTRAL PLAINS TODAY WILL ALLOW FOR STRONG AND GUSTY NORTHWEST WINDS TO CONTINUE ACROSS PORTIONS OF THE NORTHEAST PLAINS OF COLORADO. THE WINDS ARE EXPECTED TO DECREASE THIS EVENING AS THE STORM SYSTEM MOVES AWAY FROM THE REGION. COZ042-044-046>051-160000- /O.CON.KBOU.HW.W.0004.000000T0000Z-110416T0000Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 1024 AM MDT FRI APR 15 2011 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 6 PM MDT THIS EVENING. * TIMING...STRONG WINDS WILL CONTINUE THIS AFTERNOON... DECREASING BY THE EVENING. * WINDS...NORTHWEST WINDS OF 25 TO 40 MPH WILL BE COMMON...WITH GUSTS UP TO 60 MPH. * IMPACTS...DANGEROUS DRIVING CONDITIONS WILL CONTINUE BECAUSE OF STRONG WINDS. DRIVERS OF HIGH PROFILE VEHICLES SHOULD BE PREPARED FOR STRONG CROSS WINDS. THIS INCLUDES COMMERCIAL VEHICLES TRAVELING ON I-76 EAST OF WIGGINS AND I-70 FROM LIMON EASTWARD. CONSIDER DELAYING TRAVEL IF YOUR VEHICLE IS SUBJECT TO HIGH WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$ LESZCYNSKI
510 WWUS75 KBOU 152143 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 343 PM MDT FRI APR 15 2011 COZ042-044-046>051-152245- /O.CAN.KBOU.HW.W.0004.000000T0000Z-110416T0000Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 343 PM MDT FRI APR 15 2011 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WARNING. WINDS ARE SLOWLY DECREASING ACROSS THE AREA AND WILL CONTINUE TO DECREASE DURING THE REMAINDER OF THE AFTERNOON. SPEEDS ARE NOT EXPECTED TO REACH HIGH WIND CRITERIA. $$ LESZCYNSKI
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 14, 1:18 PM MDT | Winter Weather Advisory | BOU | Logan, Phillips, Sedgwick, Washington | 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.