Alert archive / Arizona / Red Flag Warnings in 2011

Red Flag Warning 21, NWS Tucson, AZ

May 22, 2011

NWS Tucson, AZ issued this red flag warning at May 22, 2011, 11:05 AM MST. It took effect at May 23, 2011, 1:00 PM MST. 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
May 22, 2011, 11:05 AM MST (18:05 UTC)
In effect from
May 23, 2011, 1:00 PM MST
Expired
May 23, 2011, 8:00 PM MST
In force
7 hr
Issued by
NWS Tucson, AZ

The text

As transmitted, in the capitals the NWS used until 2016.

631 
WWUS85 KTWC 221805
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1105 AM MST SUN MAY 22 2011

...RED FLAG WARNING IS IN EFFECT MONDAY AFTERNOON THROUGH
MONDAY EVENING FOR COCHISE COUNTY FOR STRONG AND GUSTY
WINDS...VERY LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME
FIRE DANGER RATING...

.A PACIFIC STORM SYSTEM MOVING INTO THE WESTERN STATES WILL
RESULT IN WINDY CONDITIONS ACROSS THE EASTERN PORTIONS OF
SOUTHEAST ARIZONA MONDAY. THE COMBINATION OF THESE STRONG
WINDS...A DRY AIRMASS RESULTING IN RELATIVE HUMIDITIES BELOW
15 PERCENT AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL
RESULT IN CRITICAL FIRE WEATHER CONDITIONS MONDAY.

AZZ148-230215-
/O.NEW.KTWC.FW.W.0021.110523T2000Z-110524T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
1105 AM MST SUN MAY 22 2011

...RED FLAG WARNING IN EFFECT FROM 1 PM TO 8 PM MST MONDAY 
FOR COCHISE COUNTY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 8 PM MST MONDAY.  

* AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR COCHISE.

* TIMING...RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW
   THE CRITICAL 15 PERCENT IN THE LATE MORNING AND WIND SPEEDS 
   WILL EXCEED CRITICAL THRESHOLDS AROUND 1 PM. BOTH CONDITIONS 
   WILL PERSIST INTO THE EARLY EVENING HOURS. 

* WINDS...SUSTAINED 20-FOOT SOUTHWEST WINDS OF 15 TO 25 MPH 
   WITH GUSTS UP TO 45 MPH ARE ANTICIPATED. 

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES ARE EXPECTED TO FALL 
   INTO THE UPPER SINGLE DIGITS AND LOW TEENS.

* IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY HIGH
  TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL FIRE
  WEATHER CONDITIONS MONDAY AFTERNOON AND EVENING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

&&

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.

&&

$$


HTTP://WEATHER.GOV/TUCSON
5 follow-up statements
793 
WWUS85 KTWC 222154
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
254 PM MST SUN MAY 22 2011

...RED FLAG WARNING IS IN EFFECT MONDAY AFTERNOON THROUGH MONDAY
EVENING FOR COCHISE COUNTY FOR STRONG AND GUSTY WINDS...VERY LOW
RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE DANGER RATING...

.A PACIFIC STORM SYSTEM MOVING INTO THE WESTERN STATES WILL
RESULT IN WINDY CONDITIONS ACROSS THE EASTERN PORTIONS OF
SOUTHEAST ARIZONA MONDAY. THE COMBINATION OF THESE STRONG WINDS...
A DRY AIRMASS RESULTING IN RELATIVE HUMIDITIES BELOW 15 PERCENT
AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN
CRITICAL FIRE WEATHER CONDITIONS MONDAY.

AZZ148-231315-
/O.CON.KTWC.FW.W.0021.110523T2000Z-110524T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
254 PM MST SUN MAY 22 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM MST
MONDAY...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM TO 8 PM MST
MONDAY. 

* AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR COCHISE.

* TIMING...RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW 
   THE CRITICAL 15 PERCENT IN THE LATE MORNING AND WIND SPEEDS 
   WILL EXCEED CRITICAL THRESHOLDS AROUND 1 PM. BOTH CONDITIONS 
   WILL PERSIST INTO THE EARLY EVENING HOURS.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST WINDS OF 15 TO 25 MPH 
   WITH GUSTS UP TO 45 MPH ARE ANTICIPATED.

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES ARE EXPECTED TO FALL 
   INTO THE UPPER SINGLE DIGITS AND LOW TEENS.

* IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY
   HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL 
   FIRE WEATHER CONDITIONS MONDAY AFTERNOON AND 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.

&&

$$


HTTP://WEATHER.GOV/TUCSON
080 
WWUS85 KTWC 231220
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
520 AM MST MON MAY 23 2011

...RED FLAG WARNING IS IN EFFECT THIS AFTERNOON THROUGH THIS EVENING
FOR COCHISE COUNTY FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE
HUMIDITIES AND VERY HIGH TO EXTREME FIRE DANGER RATING...

.A PACIFIC STORM SYSTEM MOVING INTO THE WESTERN STATES WILL
RESULT IN WINDY CONDITIONS ACROSS THE EASTERN PORTIONS OF
SOUTHEAST ARIZONA TODAY. THE COMBINATION OF THESE STRONG WINDS...A DRY
AIRMASS RESULTING IN RELATIVE HUMIDITIES BELOW 15 PERCENT AND A
VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL
FIRE WEATHER CONDITIONS TODAY.

AZZ148-232200-
/O.CON.KTWC.FW.W.0021.110523T2000Z-110524T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
520 AM MST MON MAY 23 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM MST THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO
8 PM MST THIS EVENING. 

* AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR COCHISE COUNTY.

* TIMING...RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP BELOW 
  THE CRITICAL 15 PERCENT IN THE LATE MORNING AND WIND SPEEDS 
  WILL EXCEED CRITICAL THRESHOLDS AROUND 1 PM. BOTH CONDITIONS 
  WILL PERSIST INTO THE EARLY EVENING HOURS. 

* WINDS...SUSTAINED 20-FOOT SOUTHWEST WINDS OF 15 TO 25 MPH WITH 
  GUSTS UP TO 45 MPH ARE ANTICIPATED. 

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES ARE EXPECTED TO FALL 
  INTO THE UPPER SINGLE DIGITS AND LOW TEENS. 

* IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY 
  HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL 
  FIRE WEATHER CONDITIONS MONDAY AFTERNOON AND 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.

&&

$$
196 
WWUS85 KTWC 232104
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
204 PM MST MON MAY 23 2011

...RED FLAG WARNING IS IN EFFECT THROUGH THIS EVENING FOR COCHISE
AND SOUTHEAST GRAHAM COUNTIES FOR STRONG AND GUSTY WINDS...VERY
LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE DANGER
RATING...

.A PACIFIC STORM SYSTEM MOVING INTO THE WESTERN STATES IS
RESULTING IN WINDY CONDITIONS ACROSS THE EASTERN PORTIONS OF
SOUTHEAST ARIZONA TODAY. THE COMBINATION OF THESE STRONG WINDS...
A DRY AIRMASS RESULTING IN RELATIVE HUMIDITIES BELOW 15 PERCENT
AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN
CRITICAL FIRE WEATHER CONDITIONS TODAY.

AZZ148-240300-
/O.CON.KTWC.FW.W.0021.000000T0000Z-110524T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
204 PM MST MON MAY 23 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING
FOR COCHISE AND SOUTHEAST GRAHAM COUNTIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING.

* AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR COCHISE AND
  SOUTHEAST GRAHAM COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES ARE CURRENTLY BELOW THE
  CRITICAL 15 PERCENT LEVEL AND WIND SPEEDS ARE EXCEEDING CRITICAL
  THRESHOLDS. BOTH CONDITIONS WILL PERSIST INTO THE EARLY EVENING
  HOURS.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST WINDS OF 15 TO 25 MPH WITH
  GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES IN THE UPPER SINGLE
  DIGITS AND LOW TEENS.

* IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY 
  HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL 
  FIRE WEATHER CONDITIONS THIS AFTERNOON AND 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.

&&

$$
775 
WWUS85 KTWC 232115
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
215 PM MST MON MAY 23 2011

...RED FLAG WARNING IS IN EFFECT THROUGH THIS EVENING FOR
COCHISE...SOUTHEAST GRAHAM AND SOUTHERN GREENLEE COUNTIES FOR
STRONG AND GUSTY WINDS...VERY LOW RELATIVE HUMIDITIES AND VERY
HIGH TO EXTREME FIRE DANGER RATING...

.A PACIFIC STORM SYSTEM MOVING INTO THE WESTERN STATES IS
RESULTING IN WINDY CONDITIONS ACROSS THE EASTERN PORTIONS OF
SOUTHEAST ARIZONA TODAY. THE COMBINATION OF THESE STRONG WINDS...
A DRY AIRMASS RESULTING IN RELATIVE HUMIDITIES BELOW 15 PERCENT
AND A VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN
CRITICAL FIRE WEATHER CONDITIONS TODAY.

AZZ148-240300-
/O.CON.KTWC.FW.W.0021.000000T0000Z-110524T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
215 PM MST MON MAY 23 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS
EVENING FOR COCHISE...SOUTHEAST GRAHAM AND SOUTHERN GREENLEE 
COUNTIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING.

* AFFECTED AREA...RED FLAG WARNING IS IN EFFECT FOR COCHISE...
  SOUTHEAST GRAHAM AND SOUTHERN GREENLEE COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES ARE CURRENTLY BELOW THE
  CRITICAL 15 PERCENT LEVEL AND WIND SPEEDS ARE EXCEEDING CRITICAL
  THRESHOLDS. BOTH CONDITIONS WILL PERSIST INTO THE EARLY EVENING
  HOURS.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST WINDS OF 15 TO 25 MPH WITH
  GUSTS UP TO 45 MPH.

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES IN THE UPPER SINGLE
  DIGITS AND LOW TEENS.

* IMPACTS...STRONG WINDS...LOW RELATIVE HUMIDITIES AND A VERY 
  HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN CRITICAL 
  FIRE WEATHER CONDITIONS THIS AFTERNOON AND 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.

&&

$$


HTTP://WEATHER.GOV/TUCSON
422 
WWUS85 KTWC 240247
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
747 PM MST MON MAY 23 2011


AZZ148-240400-
/O.EXP.KTWC.FW.W.0021.000000T0000Z-110524T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
747 PM MST MON MAY 23 2011

...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING. 

AT 745 PM MST WINDS WERE BEGINNING TO DIMINISH ACROSS MOST OF
SOUTHEAST ARIZONA. WITH THIS TREND EXPECTED TO CONTINUE...AND WITH
THE RECOVERY OF RH VALUES AS TEMPERATURES FALL AFTER SUNDOWN...THE
RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AT 8 PM MST. SOMEWHAT
LESS WIND IS EXPECTED FOR TUESDAY...HOWEVER SILL ENOUGH FOR A FEW
SPOTS TO APPROACH RED FLAG LEVELS IN EASTERN AREAS.

$$


HTTP://WEATHER.GOV/TUCSON

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.