Alert archive / Arizona / Red Flag Warnings in 2011
Red Flag Warning 22, NWS Tucson, AZ
NWS Tucson, AZ issued this red flag warning at May 24, 2011, 2:41 AM MST. It took effect at May 24, 2011, 1:00 PM MST. It was in force for 6 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
- May 24, 2011, 2:41 AM MST (09:41 UTC)
- In effect from
- May 24, 2011, 1:00 PM MST
- Expired
- May 24, 2011, 7:00 PM MST
- In force
- 6 hr
- Issued by
- NWS Tucson, AZ
The text
As transmitted, in the capitals the NWS used until 2016.
659 WWUS85 KTWC 240941 RFWTWC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 241 AM MST TUE MAY 24 2011 ...RED FLAG WARNING IS IN EFFECT THIS AFTERNOON INTO EARLY THIS EVENING FOR GRAHAM...SOUTHERN GREENLEE AND EASTERN COCHISE COUNTIES FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND A VERY HIGH TO EXTREME FIRE DANGER RATING... .A STORM SYSTEM NOW LOCATED ACROSS ARIZONA WILL CONTINUE TO MOVE EAST AWAY FROM THE AREA TODAY. HOWEVER...WE WILL STILL REMAIN UNDER THE INFLUENCE OF THIS STORM IN THAT IT WILL RESULT IN VERY GUSTY WINDS THIS AFTERNOON PARTICULARLY FOR THE UPPER GILA RIVER VALLEY IN GRAHAM COUNTY INTO NORTHEASTERN COCHISE COUNTY. GIVEN THE VERY DRY AIR MASS WITH VERY LOW RELATIVE HUMIDITIES BELOW 15 PERCENT...THESE STRONG WINDS AND A VERY HIGH TO EXTREME FIRE DANGER RATING...CRITICAL FIRE WEATHER CONDITIONS WILL OCCUR THIS AFTERNOON. AZZ148-242300- /O.NEW.KTWC.FW.W.0022.110524T2000Z-110525T0200Z/ ARIZONA FIRE WEATHER ZONE 148 GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/ SAFFORD BLM/TDC- 241 AM MST TUE MAY 24 2011 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM MST THIS EVENING FOR GRAHAM...SOUTHERN GREENLEE AND EASTERN COCHISE COUNTIES... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT FROM 1 PM THIS AFTERNOON TO 7 PM MST THIS EVENING. * AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR GRAHAM...SOUTHERN GREENLEE AND EASTERN COCHISE COUNTIES. * TIMING...RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW THE CRITICAL 15 PERCENT THRESHOLD IN THE LATE MORNING AND WIND SPEEDS WILL EXCEED CRITICAL THRESHOLDS AROUND 1 PM. THESE CONDITIONS WILL CONTINUE INTO THE EARLY EVENING. * WINDS...SUSTAINED 20-FOOT WEST TO NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 40 MPH ARE EXPECTED. * RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES ARE EXPECTED TO FALL INTO THE MID TO HIGH SINGLE DIGITS IN THE LOWER ELEVATIONS TO THE MID TEENS ACROSS THE HIGHER MOUNTAIN ELEVATIONS. * IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL FIRE WEATHER THRESHOLDS THIS AFTERNOON INTO EARLY EVENING. 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 THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA. && $$
2 follow-up statements
283 WWUS85 KTWC 242120 RFWTWC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 220 PM MST TUE MAY 24 2011 ...RED FLAG WARNING IS IN EFFECT THIS AFTERNOON INTO EARLY THIS EVENING FOR ALL OF GRAHAM AND GREENLEE COUNTIES AS WELL AS PORTIONS OF EASTERN COCHISE COUNTY FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE HUMIDITY AND A VERY HIGH TO EXTREME FIRE DANGER RATING... .A STORM SYSTEM NOW LOCATED ACROSS ARIZONA WILL CONTINUE TO MOVE EAST AWAY FROM THE AREA TODAY. THIS WILL RESULT IN CONTINUED VERY GUSTY WINDS THIS AFTERNOON PARTICULARLY FOR THE UPPER GILA RIVER VALLEY IN GRAHAM COUNTY INTO NORTHEASTERN COCHISE COUNTY. WITH A VERY DRY AIR MASS IN PLACE WITH RELATIVE HUMIDITIES IN THE SINGLE DIGITS...THESE STRONG WINDS AND A VERY HIGH TO EXTREME FIRE DANGER RATING...CRITICAL FIRE WEATHER CONDITIONS ARE EXPECTED TO PERSIST THIS AFTERNOON. AZZ146-250200- /O.EXA.KTWC.FW.W.0022.000000T0000Z-110525T0200Z/ ARIZONA FIRE WEATHER ZONE 146 NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER- APACHE NF/SAN CARLOS BIA/SDC- 220 PM MST TUE MAY 24 2011 ...RED FLAG WARNING IN EFFECT UNTIL 7 PM MST THIS EVENING... THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG WARNING...WHICH IS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR ALL OF GRAHAM AND GREENLEE COUNTIES. * TIMING...RELATIVE HUMIDITY ARE ALREADY BELOW OR AT THE CRITICAL 15 PERCENT THRESHOLD. WIND SPEEDS ARE ALSO EITHER VERY CLOSE TO OR ARE CURRENTLY MEETING RED FLAG CRITERIA. WIND SPEEDS WILL REMAIN BREEZY WITH STRONG GUSTS THROUGH 7 PM MST THIS EVENING BEFORE THEY BEGIN TO DIMINISH. * WINDS...SUSTAINED 20-FOOT WEST TO NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 40 MPH ARE EXPECTED. * RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES ARE EXPECTED TO REMAIN IN THE MID TO HIGH SINGLE DIGITS IN THE LOWER ELEVATIONS TO THE MID TEENS ACROSS THE HIGHER MOUNTAIN ELEVATIONS. * IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL FIRE WEATHER THRESHOLDS THIS AFTERNOON INTO EARLY EVENING. 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 THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA. && $$ AZZ148-250200- /O.CON.KTWC.FW.W.0022.000000T0000Z-110525T0200Z/ ARIZONA FIRE WEATHER ZONE 148 GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/ SAFFORD BLM/TDC- 220 PM MST TUE MAY 24 2011 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING... A RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING. * AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR GRAHAM... SOUTHERN GREENLEE AND EASTERN COCHISE COUNTIES. * TIMING...RELATIVE HUMIDITY VALUES ARE CURRENTLY BELOW THE CRITICAL 15 PERCENT THRESHOLD AND WIND SPEEDS HAVE EXCEEDED CRITICAL THRESHOLDS AT SOME LOCATIONS. THESE CONDITIONS WILL CONTINUE INTO THE EARLY EVENING BEFORE BEGINNING TO DIMINISH AROUND 7 PM MST. * WINDS...SUSTAINED 20-FOOT WEST TO NORTHWEST WINDS OF 15 TO 25 MPH WITH GUSTS UP TO 40 MPH ARE EXPECTED. * RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES ARE EXPECTED TO REMAIN IN THE MID TO HIGH SINGLE DIGITS IN THE LOWER ELEVATIONS TO THE MID TEENS ACROSS THE HIGHER MOUNTAIN ELEVATIONS. * IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL FIRE WEATHER THRESHOLDS THIS AFTERNOON INTO EARLY EVENING. 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 THE POTENTIAL FOR RAPID AND ERRATIC FIRE GROWTH. PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD OF THE RED FLAG WARNING FOR PORTIONS OF SOUTHEAST ARIZONA. && $$
085 WWUS85 KTWC 250158 RFWTWC URGENT - FIRE WEATHER MESSAGE NATIONAL WEATHER SERVICE TUCSON AZ 658 PM MST TUE MAY 24 2011 AZZ146-148-250300- /O.EXP.KTWC.FW.W.0022.000000T0000Z-110525T0200Z/ ARIZONA FIRE WEATHER ZONE 146 NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER- APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 148 GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/ SAFFORD BLM/TDC- 658 PM MST TUE MAY 24 2011 ...RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING FOR FIRE WEATHER ZONES 146 AND 148... THE RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING AT 655 PM MST WINDS WERE BEGINNING TO DIMINISH ACROSS MOST OF SOUTHEAST ARIZONA. WITH THIS TREND EXPECTED TO CONTINUE THROUGH THE EVENING HOURS...THE RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 7 PM MST. $$
Nearby
Red Flag Warnings in Arizona, 2011Every red flag 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.