Alert archive / Colorado / High Wind Warnings in 2007
High Wind Warning 5, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this high wind warning at Oct 18, 2007, 10:12 AM MDT for 8 counties in Colorado. It was in force for 7 hr. 4 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
- Oct 18, 2007, 10:12 AM MDT (16:12 UTC)
- Expired
- Oct 18, 2007, 5:00 PM MDT
- In force
- 7 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 16:15 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Oct 18, 10:30 AM MDT | NON-TSTM WND GST 58 | 3 E Amherst, CO | |
| Oct 18, 11:30 AM MDT | NON-TSTM WND GST 58 | 3 E Amherst, CO | SUSTAINED WINDS 45 MPH |
| Oct 18, 12:50 PM MDT | NON-TSTM WND GST 60 | 3 E Amherst, CO | SUSTAINED WINDS 50 MPH |
| Oct 18, 1:25 PM MDT | NON-TSTM WND GST 62 | 3 E Amherst, 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 (KDNR), launched 12:00Z, 4.2 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
- 2418 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 15 m²/s²
- 0-3 km storm-relative helicity
- 56 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS75 KBOU 181612 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1012 AM MDT THU OCT 18 2007 ...HIGH WINDS ON THE PLAINS TODAY AND POTENTIALLY STRONGER WINDS IN AND NEAR THE FRONT RANGE TONIGHT AND FRIDAY MORNING... .A DEEP SURFACE LOW PRESSURE SYSTEM MOVING INTO THE UPPER MIDWEST WILL COMBINE WITH HIGH PRESSURE OVER THE GREAT BASIN TO PRODUCE STRONG AND GUSTY NORTHWEST WINDS TODAY. THE WINDS ON THE PLAINS WILL PEAK THIS AFTERNOON. A MOUNTAIN WAVE IS EXPECTED TO DEVELOP ALONG THE FRONT RANGE OVERNIGHT...POTENTIALLY BRINGING DAMAGING WINDS ALOFT TO THE SURFACE. COZ042-044-046>051-182300- /O.NEW.KBOU.HW.W.0005.071018T1612Z-071018T2300Z/ 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...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 1012 AM MDT THU OCT 18 2007 ...HIGH WIND WARNING IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON. NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 65 MPH ARE EXPECTED THIS AFTERNOON. AT MID MORNING WINDS WERE ALREADY GUSTING IN THE 40 TO 55 MPH RANGE IN AREAS EAST OF FORT MORGAN AND LIMON. REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. $$ COZ035-036-038-039-190015- /O.CON.KBOU.HW.A.0007.071019T0300Z-071019T1800Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK...FORT COLLINS... HEREFORD...LOVELAND...NUNN...ARVADA...BOULDER...GOLDEN... LAKEWOOD...LONGMONT 1012 AM MDT THU OCT 18 2007 ...HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING THROUGH FRIDAY MORNING... A HIGH WIND WATCH REMAINS IN EFFECT FROM 9 PM MDT THIS EVENING THROUGH FRIDAY MORNING. WINDS WILL TEMPORARILY DECREASE LATE THIS AFTERNOON AND EVENING... ONLY TO INCREASE AGAIN OVERNIGHT. WINDS WILL BE SPORADIC AND HIGHLY VARIABLE...BUT SPEEDS OF 30 TO 40 MPH WITH GUSTS UP TO 80 MPH WILL STILL BE POSSIBLE. THE STRONGEST WINDS CAN BE EXPECTED AROUND SUNRISE FRIDAY...AND SHOULD BE CONFINED TO NORMALLY WIND PRONE AREAS SUCH AS LOCATIONS ALONG THE PEAK TO PEAK HIGHWAY...HIGHWAY 93 BETWEEN BOULDER AND GOLDEN...AND HIGHWAY 36 BETWEEN BROOMFIELD AND ESTES PARK. REMEMBER...A HIGH WIND WATCH MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS MAY OCCUR. PERSONS IN THE WATCH AREA SHOULD REMAIN ALERT TO THE POSSIBILITY OF HIGH WINDS AND BE PREPARED TO TAKE ACTION SHOULD HIGH WINDS DEVELOP. $$ GIMMESTAD
2 follow-up statements
000 WWUS75 KBOU 182141 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 341 PM MDT THU OCT 18 2007 ...HIGH WINDS ON THE PLAINS TODAY AND POTENTIALLY STRONGER WINDS IN AND NEAR THE FRONT RANGE TONIGHT AND FRIDAY MORNING... .WINDS ON THE PLAINS WILL DECREASE BY EVENING AS LOW PRESSURE OVER THE MIDWEST MOVES EAST. HOWEVER...A STRONG JET STREAM WILL MOVE OVER THE FRONT RANGE. A MOUNTAIN WAVE IS EXPECTED TO DEVELOP OVERNIGHT...POTENTIALLY BRINGING DAMAGING WINDS ALOFT TO THE SURFACE IN THE FRONT RANGE FOOTHILLS. COZ038-039-182245- /O.CAN.KBOU.HW.A.0007.071019T0300Z-071019T1800Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- INCLUDING...FORT COLLINS...HEREFORD...LOVELAND...NUNN...ARVADA... BOULDER...GOLDEN...LAKEWOOD...LONGMONT 341 PM MDT THU OCT 18 2007 ...HIGH WIND WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE HIGH WIND WATCH. WINDS ARE EXPECTED TO DIMINISH THIS EVENING...BUT INCREASE AGAIN LATER TONIGHT. OCCASIONAL WIND GUSTS AS HIGH AS 55 MPH ARE EXPECTED LATE TONIGHT AND FRIDAY MORNING. $$ COZ035-036-190545- /O.UPG.KBOU.HW.A.0007.071019T0300Z-071019T1800Z/ /O.NEW.KBOU.HW.W.0006.071019T0300Z-071019T1800Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- INCLUDING...ESTES PARK...GLENDEVEY...NEDERLAND... RED FEATHER LAKES...BAILEY...CENTRAL CITY...EVERGREEN... GEORGETOWN...IDAHO SPRINGS...WESTCREEK 341 PM MDT THU OCT 18 2007 ...HIGH WIND WARNING IN EFFECT FROM 9 PM THIS EVENING TO 12 PM MDT FRIDAY... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A HIGH WIND WARNING...WHICH IS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM MDT FRIDAY. THE HIGH WIND WATCH IS NO LONGER IN EFFECT. WINDS WILL TEMPORARILY DECREASE LATE THIS AFTERNOON AND EVENING...ONLY TO INCREASE AGAIN OVERNIGHT. WINDS WILL BE SPORADIC AND HIGHLY VARIABLE...BUT SPEEDS OF 20 TO 40 MPH WILL BE COMMON AND GUSTS UP TO 80 MPH ARE EXPECTED IN THE NORMALLY WINDIEST AREAS. SOME OF THE WIND PRONE AREAS INCLUDE ROCKY FLATS...THE BOULDER COUNTY FOOTHILLS...BUCKHORN MOUNTAIN IN LARIMER COUNTY AND ALONG THE WYOMING BORDER. THE STRONGEST WINDS CAN BE EXPECTED AROUND SUNRISE FRIDAY. REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. $$ COZ042-044-046>051-182300- /O.CON.KBOU.HW.W.0005.000000T0000Z-071018T2300Z/ 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...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 341 PM MDT THU OCT 18 2007 ...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON... A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MDT THIS AFTERNOON. NORTHWEST WINDS OF 30 TO 40 MPH WITH GUSTS TO 60 MPH WILL DIMINISH LATE THIS AFTERNOON. REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. $$ GIMMESTAD
000 WWUS75 KBOU 182255 NPWBOU URGENT - WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 455 PM MDT THU OCT 18 2007 ...HIGH WINDS WINDS IN AND NEAR THE FRONT RANGE FOOTHILLS TONIGHT AND FRIDAY MORNING... .A STRONG JET STREAM WILL MOVE OVER THE FRONT RANGE OVERNIGHT. A MOUNTAIN WAVE IS EXPECTED TO DEVELOP OVERNIGHT...POTENTIALLY BRINGING DAMAGING WINDS ALOFT TO THE SURFACE IN THE FRONT RANGE FOOTHILLS. COZ042-044-046>051-190000- /O.EXP.KBOU.HW.W.0005.000000T0000Z-071018T2300Z/ NORTHEAST WELD COUNTY-MORGAN COUNTY- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- INCLUDING THE CITIES OF...BRIGGSDALE...GROVER...PAWNEE BUTTES... RAYMER...STONEHAM...BRUSH...FORT MORGAN...GOODRICH...WIGGINS... AGATE...HUGO...LIMON...MATHESON...FORDER...KARVAL...KUTCH... PUNKIN CENTER...CROOK...MERINO...STERLING...PEETZ...AKRON... COPE...LAST CHANCE...OTIS...JULESBURG...OVID...SEDGWICK... AMHERST...HAXTUN...HOLYOKE 455 PM MDT THU OCT 18 2007 ...HIGH WIND WARNING WILL EXPIRE AT 5 PM MDT THIS AFTERNOON... THE HIGH WIND WARNING WILL EXPIRE AT 5 PM MDT THIS AFTERNOON. NORTHWEST WINDS HAVE DECREASED TO 20 TO 30 MPH WITH GUSTS TO 40 MPH AND WILL CONTINUE TO DECREASE THROUGH THE EVENING. THEREFORE...THE HIGH WIND WARNING WILL BE ALLOWED TO EXPIRE AT 5 PM. $$ COZ035-036-190700- /O.CON.KBOU.HW.W.0006.071019T0300Z-071019T1800Z/ 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...WESTCREEK 455 PM MDT THU OCT 18 2007 ...HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM MDT FRIDAY FOR THE FRONT RANGE FOOTHILLS... A HIGH WIND WARNING REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 12 PM MDT FRIDAY. WINDS WILL TEMPORARILY DECREASE LATE THIS AFTERNOON AND EVENING... ONLY TO INCREASE AGAIN OVERNIGHT. WINDS WILL BE SPORADIC AND HIGHLY VARIABLE...BUT SPEEDS OF 20 TO 40 MPH WILL BE COMMON AND GUSTS UP TO 80 MPH ARE EXPECTED IN THE NORMALLY WINDIEST AREAS. SOME OF THE WIND PRONE AREAS INCLUDE ROCKY FLATS...THE BOULDER COUNTY FOOTHILLS...BUCKHORN MOUNTAIN IN LARIMER COUNTY AND ALONG THE WYOMING BORDER. THE STRONGEST WINDS CAN BE EXPECTED AROUND SUNRISE FRIDAY. REMEMBER...A HIGH WIND WARNING MEANS THAT STRONG AND POTENTIALLY DAMAGING WINDS ARE EITHER OCCURRING OR HIGHLY LIKELY. $$
The office that day
Everything else NWS Denver/Boulder, CO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 18, 4:42 AM MDT | High Wind Watch | BOU | Boulder, Broomfield, Clear Creek, Douglas, Gilpin, Jefferson and 3 more | 11 hr |
| Oct 18, 3:41 PM MDT | High Wind Warning | BOU | Boulder, Clear Creek, Douglas, Gilpin, Jefferson, Larimer and 1 more | 20 hr |
Nearby
High Wind Warnings in Colorado, 2007Every high wind warning in 2007
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.