Alert archive / Colorado / High Wind Warnings in 2012
High Wind Warning 8, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Apr 1, 2012, 2:18 PM MDT for 11 counties in Colorado. It took effect at Apr 2, 2012, 4:00 AM MDT. It was in force for 8 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
- Apr 1, 2012, 2:18 PM MDT (20:18 UTC)
- In effect from
- Apr 2, 2012, 4:00 AM MDT
- Expired
- Apr 2, 2012, 11:59 AM MDT
- In force
- 8 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Adams County, CO, Arapahoe County, CO, Elbert County, CO, Larimer 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), 80 km from the middle of the area, began a volume at 20:15 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
Denver, CO (KDNR), launched 12:00Z, 8.3 hours before the alert went out and 51 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
- 3550 m above ground
- 0-6 km bulk shear
- 30 kt
- 0-1 km storm-relative helicity
- -31 m²/s²
- 0-3 km storm-relative helicity
- 25 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
392 WWUS75 KBOU 012018 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 218 PM MDT SUN APR 1 2012 ...STRONG WIND GUSTS EXPECTED TOMORROW OVER EASTERN COLORADO... .A STRONG COLD FRONT WILL MOVE THROUGH NORTHEAST COLORADO AFTER MIDNIGHT TONIGHT. A STRONG PRESSURE GRADIENT WILL RESULT IN STRONG NORTH WINDS ON THE PLAINS LATE TONIGHT AND MONDAY MORNING. COZ038-042>051-020430- /O.NEW.KBOU.HW.W.0008.120402T1000Z-120402T1800Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 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...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 218 PM MDT SUN APR 1 2012 ...HIGH WIND WARNING IN EFFECT FROM 4 AM TO NOON MDT MONDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 4 AM TO NOON MDT MONDAY. * TIMING...THE WINDS WILL INCREASE RAPIDLY BEHIND THE COLD FRONT AND CONTINUE THROUGH THE MORNING...DECREASING THROUGH THE AFTERNOON. * WINDS...NORTH WINDS 30 TO 40 MPH WITH GUSTS TO 55 MPH POSSIBLE. * IMPACTS...MANY TREES HAVE BEGUN TO LEAF OUT...SO EXPECT SOME DAMAGE TO TREE BRANCHES. TIE DOWN ANY LOOSE ARTICLES. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
3 follow-up statements
782 WWUS75 KBOU 020252 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 852 PM MDT SUN APR 1 2012 ...STRONG WIND GUSTS EXPECTED LATE TONIGHT THROUGH MONDAY MORNING OVER THE PLAINS OF NORTHEAST COLORADO... .A STRONG COLD FRONT WILL MOVE THROUGH NORTHEAST COLORADO AFTER MIDNIGHT TONIGHT. A STRONG PRESSURE GRADIENT WILL RESULT IN STRONG NORTH WINDS ON THE PLAINS LATE TONIGHT THROUGH MONDAY MORNING. COZ038-042>051-021100- /O.CON.KBOU.HW.W.0008.120402T1000Z-120402T1800Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 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...FORT COLLINS...HEREFORD...LOVELAND... NUNN...BRIGGSDALE...GROVER...PAWNEE BUTTES...RAYMER...STONEHAM... EATON...FORT LUPTON...GREELEY...ROGGEN...BRUSH...FORT MORGAN... GOODRICH...WIGGINS...BENNETT...BYERS...DEER TRAIL...LEADER... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 852 PM MDT SUN APR 1 2012 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 4 AM TO NOON MDT MONDAY... * TIMING...THE WINDS WILL INCREASE RAPIDLY BEHIND A COLD FRONT LATER TONIGHT AND CONTINUE THROUGH MONDAY MORNING...THEN DECREASE THROUGH THE AFTERNOON. * WINDS...NORTH WINDS 30 TO 40 MPH WITH GUSTS TO 55 MPH POSSIBLE. * IMPACTS...MANY TREES HAVE BEGUN TO LEAF OUT...SO EXPECT SOME DAMAGE TO TREE BRANCHES. RESIDENTS ARE ALSO URGED TO BRING INDOORS ANY LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE BLOWN ABOUT BY THE STRONG WINDS.. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
346 WWUS75 KBOU 021022 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 422 AM MDT MON APR 2 2012 ...STRONG WIND GUSTS EXPECTED THIS MORNING OVER THE PLAINS OF NORTHEAST COLORADO... .A STRONG COLD FRONT MOVED THROUGH NORTHEAST COLORADO EARLY THIS MORNING. A STRONG PRESSURE GRADIENT WILL RESULT IN STRONG NORTH WINDS ON THE PLAINS THIS MORNING. COZ038-042>045-021130- /O.CAN.KBOU.HW.W.0008.000000T0000Z-120402T1800Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 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...BENNETT...BYERS...DEER TRAIL...LEADER 422 AM MDT MON APR 2 2012 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WARNING. GUSTY NORTHERLY WILL HAVE DECREASED TO 15 TO 30 MPH WITH GUSTS UP TO 40 MPH...THEREFORE THE HIGH WIND WARNING HAS BEEN CANCELED. $$ COZ046>051-021800- /O.CON.KBOU.HW.W.0008.000000T0000Z-120402T1800Z/ NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 422 AM MDT MON APR 2 2012 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON MDT TODAY... * TIMING...STRONG NORTHERLY WINDS WILL PREVAIL THIS MORNING AND SLOWLY DECREASE DURING THE DAY.. * WINDS...NORTH WINDS 30 TO 45 MPH WITH GUSTS TO 60 MPH POSSIBLE. * IMPACTS...MANY TREES HAVE BEGUN TO LEAF OUT...SO EXPECT SOME DAMAGE TO TREE BRANCHES. RESIDENTS ARE ALSO URGED TO BRING INDOORS ANY LOOSE ITEMS SUCH AS GARBAGE CANS AND PATIO FURNITURE THAT MAY BE BLOWN ABOUT BY THE STRONG WINDS. PRECAUTIONARY/PREPAREDNESS ACTIONS... REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. && $$
915 WWUS75 KBOU 021759 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1159 AM MDT MON APR 2 2012 COZ046>051-021900- /O.CAN.KBOU.HW.W.0008.000000T0000Z-120402T1800Z/ 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...AGATE...HUGO...LIMON...MATHESON... FORDER...KARVAL...KUTCH...PUNKIN CENTER...CROOK...MERINO... STERLING...PEETZ...AKRON...COPE...LAST CHANCE...OTIS... JULESBURG...OVID...SEDGWICK...AMHERST...HAXTUN...HOLYOKE 1159 AM MDT MON APR 2 2012 ...HIGH WIND WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WARNING. NORTHERLY WINDS HAVE BEEN BLOWING ACROSS THE NORTHEAST COLORADO PLAINS AT 35 TO 50 MPH THIS MORNING. GUSTY WINDS ARE EXPECTED TO CONTINUE THIS AFTERNOON IN THE 35 TO 45 MPH RANGE. AREAS OF BLOWING DUST MAY REDUCE VISIBILITIES AT TIMES...BUT DAMAGING WINDS ARE NO LONGER EXPECTED. DRIVERS OF HIGH PROFILE VEHICLES SHOULD CONTINUE TO USE CAUTION WHILE DRIVING IN TH STRONG CROSS WINDS. WINDS ARE EXPECTED TO FURTHER DIMINISH LATER THIS EVENING. $$ DANKERS
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.