Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 7, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Apr 4, 2012, 3:29 PM MDT for Grand County, Jackson County, Summit County, Colorado. It took effect at Apr 5, 2012, 12:00 PM MDT. It was in force for 7 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 4, 2012, 3:29 PM MDT (21:29 UTC)
- In effect from
- Apr 5, 2012, 12:00 PM MDT
- Expired
- Apr 5, 2012, 7:00 PM MDT
- In force
- 7 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Grand County, CO, Jackson County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 146 km from the middle of the area, began a volume at 21:33 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
Grand Junction, CO (KGJT), launched 12:00Z, 9.5 hours before the alert went out and 227 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
- 0 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 70 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
909 WWUS85 KBOU 042129 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 329 PM MDT WED APR 4 2012 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR NORTH AND MIDDLE PARKS THURSDAY... .WARMER THAN NORMAL TEMPERATURES AND A DRY AIRMASS ARE EXPECTED FOR THE MOUNTAINS THURSDAY AS A STORM SYSTEM OVER THE WESTERN STATES DEEPENS. THIS STORM WILL BE INCREASING SOUTHWEST WINDS AHEAD OF IT WHICH WILL PRODUCE WINDS OF 10 TO 20 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. HUMIDITIES NEAR 10 PERCENT DURING THE AFTERNOON WILL COMBINE WITH THE WINDS TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS OVER NORTH AND MIDDLE PARKS WHERE FUELS HAVE BEEN DETERMINED TO BE SUSCEPTIBLE TO FIRE SPREAD. COZ211-213-050530- /O.NEW.KBOU.FW.W.0007.120405T1800Z-120406T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 329 PM MDT WED APR 4 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR LOWER ELEVATIONS OF GRAND AND JACKSON COUNTIES... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 7 PM MDT THURSDAY. * AFFECTED AREA...FIRE WEATHER ZONES 211 AND 213. * TIMING...LOW HUMIDITY AND STRONG WINDS WILL COMBINE AROUND NOON. HUMIDITY IS EXPECTED TO DROP BELOW CRITERIA JUST AFTER SUNSET. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL THURSDAY AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
5 follow-up statements
266 WWUS85 KBOU 050400 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1000 PM MDT WED APR 4 2012 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR NORTH AND MIDDLE PARKS THURSDAY... .WARMER THAN NORMAL TEMPERATURES AND A DRY AIRMASS ARE EXPECTED FOR THE MOUNTAINS THURSDAY AS A STORM SYSTEM OVER THE WESTERN STATES DEEPENS. THIS STORM WILL BE INCREASING SOUTHWEST WINDS AHEAD OF IT WHICH WILL PRODUCE WINDS OF 10 TO 20 MPH WITH GUSTS TO 35 MPH IN THE AFTERNOON. HUMIDITIES NEAR 10 PERCENT DURING THE AFTERNOON WILL COMBINE WITH THE WINDS TO PRODUCE CRITICAL FIRE WEATHER CONDITIONS OVER NORTH AND MIDDLE PARKS WHERE FUELS HAVE BEEN DETERMINED TO BE SUSCEPTIBLE TO FIRE SPREAD. COZ211-213-051200- /O.CON.KBOU.FW.W.0007.120405T1800Z-120406T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 1000 PM MDT WED APR 4 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM MDT THURSDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR LOWER ELEVATIONS OF GRAND AND JACKSON COUNTIES... * AFFECTED AREA...FIRE WEATHER ZONES 211 AND 213. * TIMING...LOW HUMIDITY AND STRONG WINDS WILL COMBINE AROUND NOON. HUMIDITY IS EXPECTED TO DROP BELOW CRITERIA JUST AFTER SUNSET. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 11 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL THURSDAY AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
894 WWUS85 KBOU 051005 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 405 AM MDT THU APR 5 2012 ...CRITICAL FIRE WEATHER CONDITIONS EXPECTED FOR NORTH AND MIDDLE PARKS TODAY...POSSIBLY SPREADING ACROSS THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS FRIDAY... .WARMER THAN NORMAL TEMPERATURES AND A DRY AIRMASS ARE EXPECTED FOR THE MOUNTAINS TODAY AS A STORM SYSTEM OVER THE WESTERN UNITED STATES DEEPENS. THIS STORM WILL BE INCREASING SOUTHWEST WINDS AHEAD OF IT WHILE AT THE SAME TIME HUMIDITIES LOWER TO LESS THAN 15 PERCENT. ON FRIDAY...EVEN STRONGER WINDS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON HOURS WITH LOWER HUMIDITIES SPREADING ACROSS THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS. WIND GUSTS TO 40 MPH CAN BE EXPECTED AND HUMIDITIES WILL DROP TO AROUND 10 PERCENT. IT IS STILL UNCERTAIN AS TO HOW FAST FUELS WILL DRY OUT AFTER TUESDAYS PRECIPITATION. COZ211-213-051900- /O.CON.KBOU.FW.W.0007.120405T1800Z-120406T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 405 AM MDT THU APR 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTH PARK AND MIDDLE PARK... * AFFECTED AREA...FIRE WEATHER ZONES 211 AND 213. * TIMING...LOW HUMIDITY AND GUSTY WINDS WILL DEVELOP BY THE NOON HOUR AND REMAIN IN PLACE THROUGH EARLY EVENING. HUMIDITIES WILL IMPROVE SLIGHTLY BY 7 PM WITH WINDS GRADUALLY DECREASING EARLY THIS EVENING. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS AROUND 30 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL THIS AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ COZ214>216-238>240-242>245-051900- /O.NEW.KBOU.FW.A.0005.120406T1800Z-120407T0200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 405 AM MDT THU APR 5 2012 ...FIRE WEATHER WATCH IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...THE FRONT RANGE FOOTHILLS...AND ADJACENT PLAINS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A FIRE WEATHER WATCH FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING. * AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 239...240...242...243...244 AND 245. * TIMING...NOON TO 8 PM MDT FRIDAY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...8 TO 12 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL FRIDAY AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH. && $$ ENTREKIN/BARJENBRUCH
726 WWUS85 KBOU 051851 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 1251 PM MDT THU APR 5 2012 ...CRITICAL FIRE WEATHER FOR NORTH AND MIDDLE PARKS TODAY...POSSIBLY SPREADING ACROSS THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS FRIDAY... .WARMER THAN NORMAL TEMPERATURES AND A DRY AIRMASS OVER THE MOUNTAINS TODAY AS A STORM SYSTEM OVER THE WESTERN UNITED STATES DEEPENS. SOUTHWEST WINDS WILL BE GUSTING UP TO 30 MPH AHEAD OF IT WHILE AT THE SAME TIME HUMIDITIES LOWER TO LESS THAN 15 PERCENT. ON FRIDAY...EVEN STRONGER WINDS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON HOURS WITH LOWER HUMIDITIES SPREADING ACROSS THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS. WIND GUSTS TO 40 MPH CAN BE EXPECTED AND HUMIDITIES WILL DROP TO AROUND 10 PERCENT. IT IS STILL UNCERTAIN AS TO HOW FAST FUELS WILL DRY OUT AFTER TUESDAYS PRECIPITATION. COZ211-213-060100- /O.CON.KBOU.FW.W.0007.000000T0000Z-120406T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 1251 PM MDT THU APR 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTH PARK AND MIDDLE PARK... * AFFECTED AREA...FIRE WEATHER ZONES 211 AND 213. * TIMING...HUMIDITIES WILL IMPROVE SLIGHTLY BY 7 PM WITH WINDS GRADUALLY DECREASING EARLY THIS EVENING. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS AROUND 30 MPH. * RELATIVE HUMIDITY...10 TO 15 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL THIS AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ COZ214>216-238>240-242>245-060300- /O.CON.KBOU.FW.A.0005.120406T1800Z-120407T0200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 1251 PM MDT THU APR 5 2012 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...THE FRONT RANGE FOOTHILLS...AND ADJACENT PLAINS... * AFFECTED AREA...FIRE WEATHER ZONES 214...215...216...238... 239...240...242...243...244 AND 245. * TIMING...NOON TO 8 PM MDT FRIDAY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH. * RELATIVE HUMIDITY...8 TO 12 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL FRIDAY AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE POSSIBLE. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS FIRE WEATHER WATCH. && $$
055 WWUS85 KBOU 052138 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 338 PM MDT THU APR 5 2012 ...CRITICAL FIRE WEATHER FOR NORTH AND MIDDLE PARKS THROUGH THIS EVENING...SPREADING ACROSS THE NORTHERN FRONT RANGE FOOTHILLS AND ADJACENT PLAINS FRIDAY... .DRY AND WINDY CONDITIONS WILL CONTINUE OVER THE MOUNTAINS TODAY AS A STORM SYSTEM OVER THE WESTERN UNITED STATES DEEPENS. CONDITIONS ARE EXPECTED TO IMPROVE LATER THIS EVENING. ON FRIDAY...EVEN STRONGER WINDS ARE EXPECTED TO DEVELOP DURING THE AFTERNOON HOURS WITH LOWER HUMIDITIES SPREADING ACROSS THE FRONT RANGE FOOTHILLS AND ADJACENT PLAINS. WIND GUSTS TO 40 MPH CAN BE EXPECTED AND HUMIDITIES WILL DROP TO AROUND 10 PERCENT. COZ214-216-239-052245- /O.CAN.KBOU.FW.A.0005.120406T1800Z-120407T0200Z/ CENTRAL AND SOUTHEAST PARK COUNTY- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- 338 PM MDT THU APR 5 2012 ...FIRE WEATHER WATCH IS CANCELLED FOR STRONG GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR SOUTH PARK...THE FRONT RANGE FOOTHILLS... AND ADJACENT PLAINS... THE NATIONAL WEATHER SERVICE IN DENVER HAS CANCELLED THE FIRE WEATHER WATCH. FUELS HAVE BEEN DETERMINED TO BE UNRESPONSIVE TO FIRE GROWTH AND SPREAD. $$ COZ215-238-240-242>245-060700- /O.UPG.KBOU.FW.A.0005.120406T1800Z-120407T0200Z/ /O.NEW.KBOU.FW.W.0008.120406T1800Z-120407T0200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 338 PM MDT THU APR 5 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN FRONT RANGE FOOTHILLS AND ADJACENT PLAINS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR WIND AND LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 8 PM MDT FRIDAY. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. * AFFECTED AREA...FIRE WEATHER ZONES 215...238...240...242... 243...244 AND 245. * TIMING...NOON TO 8 PM MDT FRIDAY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 40 MPH OVER THE PLAINS...GUSTS UP TO 50 MPH OVER THE HIGHER FOOTHILLS. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL FRIDAY AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$ COZ211-213-060100- /O.CON.KBOU.FW.W.0007.000000T0000Z-120406T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 338 PM MDT THU APR 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MDT THIS EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTH PARK AND MIDDLE PARK... * AFFECTED AREA...FIRE WEATHER ZONES 211 AND 213. * TIMING...HUMIDITIES WILL IMPROVE SLIGHTLY BY 7 PM WITH WINDS GRADUALLY DECREASING EARLY THIS EVENING. * WINDS...SOUTHWEST 15 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 10 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL THIS AFTERNOON AND EARLY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
783 WWUS85 KBOU 060114 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 714 PM MDT THU APR 5 2012 COZ211-213-060215- /O.EXP.KBOU.FW.W.0007.000000T0000Z-120406T0100Z/ JACKSON COUNTY BELOW 9000 FEET- GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 714 PM MDT THU APR 5 2012 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY WINDS AND LOW RELATIVE HUMIDITY FOR NORTH PARK AND MIDDLE PARK... THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE. $$ COZ215-238-240-242>245-060915- /O.CON.KBOU.FW.W.0008.120406T1800Z-120407T0200Z/ LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY-NORTHEAST WELD COUNTY- CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- 714 PM MDT THU APR 5 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 8 PM MDT FRIDAY FOR WIND AND LOW RELATIVE HUMIDITY FOR THE NORTHERN FRONT RANGE FOOTHILLS AND ADJACENT PLAINS... * AFFECTED AREA...FIRE WEATHER ZONES 215...238...240...242... 243...244 AND 245. * TIMING...NOON TO 8 PM MDT FRIDAY. * WINDS...SOUTHWEST 15 TO 25 MPH WITH GUSTS UP TO 50 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * IMPACTS...ANY FIRES THAT START MAY SPREAD QUICKLY AND BE DIFFICULT TO CONTROL FRIDAY AFTERNOON AND EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING OR IMMINENT. PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING. && $$
Nearby
Red Flag Warnings in Colorado, 2012Every red flag 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.