Alert archive / Colorado / Red Flag Warnings in 2012
Red Flag Warning 24, NWS Denver/Boulder, CO
NWS Denver/Boulder, CO issued this red flag warning at Jun 25, 2012, 3:29 PM MDT for 10 counties in Colorado. It took effect at Jun 26, 2012, 12:00 PM MDT. It was in force for 9 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
- Jun 25, 2012, 3:29 PM MDT (21:29 UTC)
- In effect from
- Jun 26, 2012, 12:00 PM MDT
- Expired
- Jun 26, 2012, 8:57 PM MDT
- In force
- 9 hr
- Issued by
- NWS Denver/Boulder, CO
Counties Boulder County, CO, Clear Creek County, CO, Douglas County, CO, Gilpin County, CO, Grand County, CO, Jackson County, CO, Jefferson County, CO, Larimer County, CO, Park County, CO, Summit County, CO
The radar
The Denver radar (KFTG), 94 km from the middle of the area, began a volume at 21:32 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, 9.5 hours before the alert went out and 206 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
- 972 J/kg
- Mixed-layer CIN
- -326 J/kg
- Mixed-layer LCL
- 1957 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -5 m²/s²
- 0-3 km storm-relative helicity
- 64 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
The text
As transmitted, in the capitals the NWS used until 2016.
358 WWUS85 KBOU 252129 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 329 PM MDT MON JUN 25 2012 ...RECORD HEAT...VERY LOW HUMIDITIES AND GUSTY WINDS CREATING EXTREME WILDLAND FIRE BEHAVIOR CONDITIONS FOR THE REMAINDER OF THIS MONDAY AFTERNOON AND EVENING... ...VERY LOW HUMIDITIES...GUSTY WINDS...HOT TEMPERATURES AND DRY LIGHTNING EXPECTED IN THE MOUNTAINS AND FRONT RANGE FOOTHILLS TUESDAY AFTERNOON AND EVENING... .A STRONG AND PERSISTENT HIGH PRESSURE RIDGE WILL CONTINUE TO PRODUCE UNSEASONABLY HOT TEMPERATURES AND VERY LOW HUMIDITIES ACROSS NORTH CENTRAL AND NORTHEAST COLORADO THROUGH AT LEAST TUESDAY EVENING. GUSTY WINDS WILL ALSO COMBINE WITH EXTREME DRY FUELS TO PRODUCE EXTREME WILDLAND FIRE BEHAVIOR CONDITIONS. ON TUESDAY...LIGHTER WINDS ON THE PLAINS OF NORTHEAST COLORADO WILL EASE THE THREAT FOR WILDLAND FIRE GROWTH AND SPREAD. WHEREAS... THE MOUNTAINS AND FOOTHILLS COULD SEE ISOLATED TO WIDELY SCATTERED THUNDERSTORMS PRODUCING STRONG GUSTY WINDS AND DRY LIGHTNING DURING THE AFTERNOON AND EVENING ON TUESDAY. COZ211>213-215-217-218-260530- /O.NEW.KBOU.FW.W.0024.120626T1800Z-120627T0300Z/ /O.CON.KBOU.FW.W.0023.000000T0000Z-120626T0300Z/ JACKSON COUNTY BELOW 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- 329 PM MDT MON JUN 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS PRODUCING LIGHTNING...GUSTY OUTFLOW WINDS AND VERY LOW RELATIVE HUMIDITIES FOR THE NORTH CENTRAL MOUNTAINS...HIGH MOUNTAIN VALLEYS AND NORTHERN FRONT RANGE FOOTHILLS... ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR FOR THE NORTH CENTRAL MOUNTAINS...HIGH MOUNTAIN VALLEYS AND NORTHERN FRONT RANGE FOOTHILLS... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR DRY LIGHTNING...GUSTY THUNDERSTORM WINDS AND VERY LOW RELATIVE HUMIDITY...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT TUESDAY. * AFFECTED AREA...FIRE WEATHER ZONES 211...212...213...215... 217 AND 218. * TIMING...MOSTLY DRY THUNDERSTORMS PRODUCING GUSTY OUTFLOW WINDS ARE EXPECTED TO REDEVELOP EARLY TUESDAY AFTERNOON AND CONTINUE INTO THE EVENING. * WINDS...SOUTHWEST 12 TO 22 MPH WITH GUSTS TO AROUND 35 MPH. STRONGER WIND GUSTS WILL BE POSSIBLE WITH THE MOSTLY DRY THUNDERSTORMS. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED MOSTLY DRY STORMS PRODUCING STRONG GUSTY OUTFLOW WINDS TO AROUND 45 MPH. * IMPACTS...NUMEROUS NEW FIRE STARTS WILL BE POSSIBLE DUE TO LIGHTNING FROM MOSTLY DRY THUNDERSTORMS. RAPID FIRE GROWTH WILL BE POSSIBLE DUE TO GUSTY OUTFLOW WINDS AND EXTREMELY DRY FUELS. 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. && $$ COZ214-216-260300- /O.CON.KBOU.FW.W.0023.000000T0000Z-120626T0300Z/ CENTRAL AND SOUTHEAST PARK COUNTY- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 329 PM MDT MON JUN 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS PRODUCING GUSTY OUTFLOW WIND...LIGHTNING AND LOW RELATIVE HUMIDITY FOR THE SOUTHERN FRONT RANGE FOOTHILLS AND PARK COUNTY... * AFFECTED AREA...FIRE WEATHER ZONES 214 AND 216. * TIMING...CRITICAL FIRE WEATHER CONDITIONS WILL LIKELY PERSIST THROUGH THIS MONDAY EVENING. * WINDS...SOUTH TO SOUTHEAST WINDS OF 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 8 PERCENT. * IMPACTS...THE STRONG GUSTY WINDS AND EXTREMELY LOW HUMIDITIES WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS. ANY NEW FIRE STARTS WILL SPREAD RAPIDLY DUE TO THE GUSTY WINDS AND EXTREMELY DRY FUELS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND HOT TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ COZ238>251-260300- /O.CON.KBOU.FW.W.0023.000000T0000Z-120626T0300Z/ 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- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- 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- 329 PM MDT MON JUN 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR GUSTY SOUTHERLY WINDS...UNSEASONABLY HOT TEMPERATURES AND VERY LOW RELATIVE HUMIDITY FOR THE PALMER DIVIDE AND NORTHEAST PLAINS... * AFFECTED AREA...FIRE WEATHER ZONES 238...239...240...241... 242...243...244...245...246...247...248...249...250 AND 251. * TIMING...CRITICAL FIRE WEATHER CONDITIONS WILL LIKELY PERSIST THROUGH THIS MONDAY EVENING. * WINDS...SOUTH-SOUTHEAST 12 TO 20 MPH WITH GUSTS TO AROUND 30 MPH. * RELATIVE HUMIDITY...AS LOW AS 5 PERCENT. * IMPACTS...GUSTY WIND...UNSEASONABLY HOT TEMPERATURES AND EXTREMELY LOW HUMIDITIES WILL CREATE DANGEROUS FIRE WEATHER CONDITIONS. ANY NEW FIRE STARTS WILL SPREAD RAPIDLY DUE TO THE GUSTY WINDS AND DRY FUELS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE RAPID FIRE GROWTH POTENTIAL. && $$ BAKER
4 follow-up statements
130 WWUS85 KBOU 260326 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 926 PM MDT MON JUN 25 2012 ...RECORD HEAT...VERY LOW HUMIDITIES...GUSTY WINDS...AND DRY THUNDERSTORMS WILL CREATE EXTREME WILDLAND FIRE BEHAVIOR CONDITIONS TUESDAY AFTERNOON AND EVENING... .A STRONG AND PERSISTENT HIGH PRESSURE RIDGE WILL CONTINUE TO PRODUCE UNSEASONABLY HOT TEMPERATURES AND VERY LOW HUMIDITIES ACROSS NORTH CENTRAL AND NORTHEAST COLORADO THROUGH AT LEAST TUESDAY EVENING. GUSTY WINDS WILL ALSO COMBINE WITH EXTREME DRY FUELS TO PRODUCE EXTREME WILDLAND FIRE BEHAVIOR CONDITIONS. ON TUESDAY...LIGHTER WINDS ON THE PLAINS OF NORTHEAST COLORADO WILL EASE THE THREAT FOR WILDLAND FIRE GROWTH AND SPREAD. WHEREAS... THE MOUNTAINS AND FOOTHILLS COULD SEE ISOLATED TO WIDELY SCATTERED THUNDERSTORMS PRODUCING STRONG GUSTY WINDS AND DRY LIGHTNING DURING THE AFTERNOON AND EVENING ON TUESDAY. COZ211>213-215-217-218-261130- /O.EXP.KBOU.FW.W.0023.000000T0000Z-120626T0300Z/ /O.CON.KBOU.FW.W.0024.120626T1800Z-120627T0300Z/ JACKSON COUNTY BELOW 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- LARIMER AND BOULDER COUNTIES BETWEEN 6000 AND 9000 FEET- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- 926 PM MDT MON JUN 25 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR MOSTLY DRY THUNDERSTORMS PRODUCING LIGHTNING...GUSTY OUTFLOW WINDS AND VERY LOW RELATIVE HUMIDITIES FOR THE NORTH CENTRAL MOUNTAINS...HIGH MOUNTAIN VALLEYS AND FRONT RANGE FOOTHILLS... ...RED FLAG WARNING HAS EXPIRED FOR TONIGHT... * AFFECTED AREA...FIRE WEATHER ZONES 211...212...213...215... 217 AND 218. * TIMING...MOSTLY DRY THUNDERSTORMS PRODUCING GUSTY OUTFLOW WINDS ARE EXPECTED TO REDEVELOP EARLY TUESDAY AFTERNOON AND CONTINUE INTO THE EVENING. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED MOSTLY DRY STORMS PRODUCING STRONG GUSTY OUTFLOW WINDS TO AROUND 45 MPH. * IMPACTS...NUMEROUS NEW FIRE STARTS WILL BE POSSIBLE DUE TO LIGHTNING FROM MOSTLY DRY THUNDERSTORMS. RAPID FIRE GROWTH WILL BE POSSIBLE DUE TO GUSTY OUTFLOW WINDS AND EXTREMELY DRY FUELS. 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. && $$ COZ214-216-261130- /O.EXP.KBOU.FW.W.0023.000000T0000Z-120626T0300Z/ /O.EXA.KBOU.FW.W.0024.120626T1800Z-120627T0300Z/ CENTRAL AND SOUTHEAST PARK COUNTY- JEFFERSON AND WEST DOUGLAS COUNTIES ABOVE 6000 FEET/GILPIN/CLEAR CREEK/NORTHEAST PARK COUNTIES BELOW 9000 FEET- 926 PM MDT MON JUN 25 2012 ...RED FLAG WARNING IN EFFECT FROM NOON TO 9 PM MDT TUESDAY FOR MOSTLY DRY THUNDERSTORMS PRODUCING LIGHTNING...GUSTY OUTFLOW WINDS AND VERY LOW RELATIVE HUMIDITIES HAS BEEN EXPANDED TO INCLUDE SOUTH PARK AND THE SOUTHERN FRONT RANGE FOOTHILLS... ...RED FLAG WARNING HAS EXPIRED FOR TONIGHT... THE NATIONAL WEATHER SERVICE IN DENVER HAS ISSUED A RED FLAG WARNING FOR DRY THUNDERSTORMS...WHICH IS IN EFFECT FROM NOON TO 9 PM MDT TUESDAY. * AFFECTED AREA...FIRE WEATHER ZONES 214 AND 216. * TIMING...MOSTLY DRY THUNDERSTORMS PRODUCING GUSTY OUTFLOW WINDS ARE EXPECTED TO REDEVELOP EARLY TUESDAY AFTERNOON AND CONTINUE INTO THE EVENING. * WINDS...SOUTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * RELATIVE HUMIDITY...AS LOW AS 7 PERCENT. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED MOSTLY DRY STORMS PRODUCING STRONG GUSTY OUTFLOW WINDS TO AROUND 45 MPH. * IMPACTS...NUMEROUS NEW FIRE STARTS WILL BE POSSIBLE DUE TO LIGHTNING FROM MOSTLY DRY THUNDERSTORMS. RAPID FIRE GROWTH WILL BE POSSIBLE DUE TO GUSTY OUTFLOW WINDS AND EXTREMELY DRY FUELS. 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. && $$ COZ238>251-260430- /O.EXP.KBOU.FW.W.0023.000000T0000Z-120626T0300Z/ LARIMER COUNTY BELOW 6000 FEET/NORTHWEST WELD COUNTY- BOULDER AND JEFFERSON COUNTIES BELOW 6000 FEET/WEST BROOMFIELD COUNTY- NORTH DOUGLAS COUNTY BELOW 6000 FEET/DENVER/WEST ADAMS AND ARAPAHOE COUNTIES/EAST BROOMFIELD COUNTY- ELBERT/CENTRAL AND EAST DOUGLAS COUNTIES ABOVE 6000 FEET- NORTHEAST WELD COUNTY-CENTRAL AND SOUTH WELD COUNTY-MORGAN COUNTY- CENTRAL AND EAST ADAMS AND ARAPAHOE COUNTIES- NORTH AND NORTHEAST ELBERT COUNTY BELOW 6000 FEET/NORTH LINCOLN COUNTY- SOUTHEAST ELBERT COUNTY BELOW 6000 FEET/SOUTH LINCOLN COUNTY- LOGAN COUNTY-WASHINGTON COUNTY-SEDGWICK COUNTY-PHILLIPS COUNTY- 926 PM MDT MON JUN 25 2012 ...RED FLAG WARNING HAS EXPIRED FOR GUSTY SOUTHERLY WINDS... UNSEASONABLY HOT TEMPERATURES AND VERY LOW RELATIVE HUMIDITY FOR THE PALMER DIVIDE AND NORTHEAST PLAINS... WINDS HAVE DECREASED AND WILL REMAIN LIGHTER ON TUESDAY. HOWEVER...NEAR RECORD HEAT AND VERY LOW HUMIDITIES WILL KEEP FIRE DANGER HIGH. $$ BARJENBRUCH
386 WWUS85 KBOU 261053 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 453 AM MDT TUE JUN 26 2012 ...NEAR RECORD HEAT...LOW HUMIDITIES...GUSTY WINDS...AND DRY THUNDERSTORMS WILL CREATE VERY HIGH FIRE DANGER THIS AFTERNOON AND EVENING... .TODAY WILL BE ANOTHER DAY OF VERY HOT TEMPERATURES AND LOW HUMIDITIES ACROSS COLORADO. THERE WILL BE SOME INCREASE IN MOISTURE BUT MAINLY AT HIGHER LEVELS IN THE ATMOSPHERE. THIS WILL ALLOW FOR A BIT MORE THUNDERSTORM ACTIVITY. HOWEVER MOST OF THE THUNDERSTORMS WILL PRODUCE LITTLE OR NO RAIN. THE COMBINATION OF HOT DRY CONDITIONS...DRY LIGHTNING...AND GUSTY WINDS WILL CREATE FAVORABLE CONDITIONS FOR NEW FIRE STARTS AND RAPID SPREAD OF FIRES THIS AFTERNOON AND EVENING. ON THE PLAINS IT WILL CONTINUE TO BE VERY HOT AND DRY WITH VERY HIGH FIRE DANGER...BUT WITH LESS WIND CONDITIONS WILL NOT BE AS EXTREME AS ON MONDAY. THERE IS A THREAT OF ISOLATED DRY LIGHTNING ON THE PLAINS MAINLY THIS EVENING. COZ211>218-262100- /O.CON.KBOU.FW.W.0024.120626T1800Z-120627T0300Z/ JACKSON COUNTY BELOW 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 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- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- 453 AM MDT TUE JUN 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 9 PM MDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS PRODUCING LIGHTNING... GUSTY OUTFLOW WINDS AND LOW RELATIVE HUMIDITIES FOR THE NORTH CENTRAL MOUNTAINS...HIGH MOUNTAIN VALLEYS AND FRONT RANGE FOOTHILLS... * AFFECTED AREA...FIRE WEATHER ZONES 211...212...213...214... 215...216...217 AND 218. * TIMING...MOSTLY DRY THUNDERSTORMS PRODUCING GUSTY OUTFLOW WINDS ARE EXPECTED TO DEVELOP TUESDAY AFTERNOON AND CONTINUE INTO THE EVENING. AWAY FROM THE THUNDERSTORMS IT WILL BE HOT AND DRY AGAIN WITH BREEZY CONDITIONS DEVELOPING IN THE AFTERNOON. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 35 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 PERCENT. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED MOSTLY DRY STORMS PRODUCING STRONG GUSTY OUTFLOW WINDS TO AROUND 45 MPH. * IMPACTS...NUMEROUS NEW FIRE STARTS WILL BE POSSIBLE DUE TO LIGHTNING FROM MOSTLY DRY THUNDERSTORMS. RAPID FIRE GROWTH WILL BE POSSIBLE DUE TO GUSTY OUTFLOW WINDS AND EXTREMELY DRY FUELS. 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. && $$ GIMMESTAD
839 WWUS85 KBOU 261829 AAA RFWBOU URGENT - FIRE WEATHER MESSAGE...UPDATED NATIONAL WEATHER SERVICE DENVER CO 1229 PM MDT TUE JUN 26 2012 ...WIDELY SCATTERED MOSTLY DRY THUNDERSTORMS PRODUCING STRONG GUSTY WINDS...COUPLED WITH LOW RELATIVE HUMIDITY AND EXTREMELY DRY FUELS WILL CREATE VERY HIGH TO EXTREME WILDLAND FIRE BEHAVIOR THIS AFTERNOON AND EVENING... .WIDELY SCATTERED THUNDERSTORMS OVER THE MOUNTAINS AND FRONT RANGE FOOTHILLS IN NORTH CENTRAL COLORADO ARE EXPECTED TO PRODUCE STRONG AND GUSTY OUTFLOW WINDS...DANGEROUS CLOUD-TO- LIGHTNING AND LITTLE RAINFALL THIS AFTERNOON AND EARLY THIS EVENING. THESE STORM CONDITIONS WILL COMBINE WITH UNSEASONABLY WARM TEMPERATURES...LOW RELATIVE HUMIDITY AND EXTREMELY DRY FUELS TO POTENTIALLY CREATE NEW FIRE STARTS AND EXTREME WILDFIRE BEHAVIOR INCLUDING RAPID FIRE SPREAD RATES IN THE HIGH COUNTRY. ON THE PLAINS....UNSEASONABLY HOT AND DRY CONDITIONS CAN BE EXPECTED TODAY...ALTHOUGH WIND SPEEDS ARE NOT EXPECTED TO BE STRONG...EXCEPT IN THE VICINITY OF ISOLATED HIGH BASED AND MOSTLY DRY THUNDERSTORMS MOVING OFF THE FOOTHILLS LATER THIS AFTERNOON. COZ211>218-270230- /O.CON.KBOU.FW.W.0024.000000T0000Z-120627T0300Z/ JACKSON COUNTY BELOW 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 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- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- 1229 PM MDT TUE JUN 26 2012 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MDT THIS EVENING FOR MOSTLY DRY THUNDERSTORMS PRODUCING LIGHTNING...GUSTY OUTFLOW WINDS AND LOW RELATIVE HUMIDITIES FOR THE NORTH CENTRAL MOUNTAINS...HIGH MOUNTAIN VALLEYS AND FRONT RANGE FOOTHILLS... * AFFECTED AREA...FIRE WEATHER ZONES 211...212...213...214... 215...216...217 AND 218. * TIMING...MOSTLY DRY THUNDERSTORMS PRODUCING STRONG AND GUSTY OUTFLOW WINDS ARE EXPECTED TO DEVELOP EARLY THIS AFTERNOON AND CONTINUE THROUGH EARLY THIS EVENING. UNSEASONABLY WARM AND DRY CONDITIONS ALONG WITH GUSTY SOUTHWEST WINDS CAN ALSO BE EXPECTED. * WINDS...SOUTHWEST 10 TO 25 MPH WITH GUSTS UP TO 38 MPH. * RELATIVE HUMIDITY...AS LOW AS 9 TO 14 PERCENT. * THUNDERSTORMS...ISOLATED TO WIDELY SCATTERED MOSTLY DRY STORMS PRODUCING STRONG GUSTY OUTFLOW WINDS TO AROUND 50 MPH. * IMPACTS...NEW FIRE STARTS ARE PROBABLE DUE TO LIGHTNING FROM MOSTLY DRY THUNDERSTORMS. RAPID FIRE GROWTH AND SPREAD WILL BE POSSIBLE DUE TO GUSTY OUTFLOW WINDS AND EXTREMELY DRY FUELS. 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. && $$ BAKER
813 WWUS85 KBOU 270257 RFWBOU URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE DENVER CO 857 PM MDT TUE JUN 26 2012 COZ211>218-270400- /O.CAN.KBOU.FW.W.0024.000000T0000Z-120627T0300Z/ JACKSON COUNTY BELOW 9000 FEET- SOUTH AND SOUTHEAST GRAND/WEST CENTRAL AND SOUTHWEST BOULDER/ GILPIN/CLEAR CREEK/SUMMIT/NORTH AND WEST PARK COUNTIES ABOVE 9000 FEET-GRAND AND SUMMIT COUNTIES BELOW 9000 FEET- 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- WEST JACKSON AND WEST GRAND COUNTIES ABOVE 9000 FEET- SOUTH AND EAST JACKSON/LARIMER/NORTH AND NORTHEAST GRAND/ NORTHWEST BOULDER COUNTIES ABOVE 9000 FEET- 857 PM MDT TUE JUN 26 2012 ...RED FLAG WARNING IS CANCELLED FOR MOSTLY DRY THUNDERSTORMS PRODUCING LIGHTNING...GUSTY OUTFLOW WINDS AND LOW RELATIVE HUMIDITIES FOR THE NORTH CENTRAL MOUNTAINS...HIGH MOUNTAIN VALLEYS AND FRONT RANGE FOOTHILLS... HIGH BASED THUNDERSTORMS WITH STRONG GUSTY WINDS AND LITTLE IF ANY RAINFALL IN THE MOUNTAINS...HIGH VALLEYS...AND FOOTHILLS WERE COMING TO AN END. IN ADDITION...HUMIDITIES HAVE IMPROVED SLIGHTLY AND WINDS HAVE DECREASED. $$ BARJENBRUCH
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.