Alert archive / Arizona / Red Flag Warnings in 2011

Red Flag Warning 19, NWS Tucson, AZ

May 9, 2011

NWS Tucson, AZ issued this red flag warning at May 9, 2011, 2:00 PM MST. It took effect at May 10, 2011, 12:00 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 9, 2011, 2:00 PM MST (21:00 UTC)
In effect from
May 10, 2011, 12:00 PM MST
Expired
May 10, 2011, 7:00 PM MST
In force
7 hr
Issued by
NWS Tucson, AZ

The text

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

181 
WWUS85 KTWC 092100
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
200 PM MST MON MAY 9 2011

...A RED FLAG WARNING IS IN EFFECT UNTIL 8 PM MST THIS EVENING FOR
GRAHAM...GREENLEE...COCHISE...EASTERN PIMA AND SANTA CRUZ COUNTIES
FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE HUMIDITIES AND A
VERY HIGH TO EXTREME FIRE DANGER.

...A RED FLAG WARNING IS IN EFFECT FROM NOON TO 7 PM MST TUESDAY
EVENING FOR SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE
COUNTIES FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE
HUMIDITIES AND VERY HIGH TO EXTREME FIRE DANGER.

.A VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF
ARIZONA WILL BRING BREEZY TO WINDY CONDITIONS TO PORTIONS OF
SOUTHEAST ARIZONA THIS AFTERNOON AND AGAIN TUESDAY AFTERNOON.
THIS WILL PRODUCE SUSTAINED WINDS UP TO 30 MPH AND GUSTS TO
45 MPH. GIVEN THE ALREADY VERY DRY CONDITIONS IN PLACE...CRITICAL
FIRE WEATHER CONDITIONS ARE EXPECTED.

AZZ148-101300-
/O.UPG.KTWC.FW.A.0012.110510T1900Z-110511T0100Z/
/O.NEW.KTWC.FW.W.0019.110510T1900Z-110511T0200Z/
/O.CON.KTWC.FW.W.0018.000000T0000Z-110510T0300Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
200 PM MST MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM MST THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MST TUESDAY FOR
SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 7 PM MST TUESDAY FOR
SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES. A RED FLAG
WARNING REMAINS IN EFFECT FOR ALL OF FIRE WEATHER ZONE 148 UNTIL 8 PM
MST THIS EVENING.


* AFFECTED AREA...THE RED FLAG WARNING THIS AFTERNOON IS VALID FOR
  GRAHAM... GREENLEE...EASTERN PIMA...SANTA CRUZ AND COCHISE
  COUNTIES. THE RED FLAG WARNING TUESDAY IS VALID FOR SOUTHERN
  GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES WILL REMAIN WELL BELOW 15
  PERCENT FOR GRAHAM...GREENLEE AND COCHISE COUNTIES TODAY AND
  HOVER NEAR 15 PERCENT FOR SANTA CRUZ AND EASTERN PIMA COUNTIES.
  WIND SPEEDS WILL REMAIN BEYOND CRITICAL THRESHOLDS INTO THE
  EARLY EVENING WITH CRITICAL FIRE WEATHER CONDITIONS PERSISTING.
  FOR TUESDAY IN THE AFFECTED AREAS OF SOUTHERN GRAHAM...SOUTHERN
  GREENLEE AND COCHISE COUNTIES...RELATIVE HUMIDITY VALUES WILL
  DROP BELOW 15 PERCENT BY NOON. THE WINDS ARE EXPECTED TO
  INCREASE BY MIDDAY AS WELL BEYOND CRITICAL FIRE WEATHER
  THRESHOLDS. 

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 20 TO 30 MPH
  WITH GUSTS UP TO 45 MPH ARE EXPECTED INTO EARLY THIS EVENING AND
  ONCE AGAIN TUESDAY. 

* RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES WILL REMAIN IN THE
  SINGLE DIGITS ACROSS PORTIONS OF COCHISE COUNTY TO TEENS
  ELSEWHERE INTO THIS EVENING. FOR TUESDAY...RELATIVE HUMIDITY
  VALUES WILL DROP INTO THE MID TEENS BY NOON AND REMAIN IN THE 10
  TO 15 PERCENT RANGE FOR THE AREAS UNDER THE RED FLAG WARNING.

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

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.

&&

$$

AZZ146-100300-
/O.CON.KTWC.FW.W.0018.000000T0000Z-110510T0300Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-
200 PM MST MON MAY 9 2011

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

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

* AFFECTED AREA...THE RED FLAG WARNING IS VALID FOR GRAHAM... 
  GREENLEE...EASTERN PIMA...SANTA CRUZ AND COCHISE COUNTIES. 

* TIMING...RELATIVE HUMIDITY VALUES WILL REMAIN 15 PERCENT INTO
  THE EARLY EVENING WHICH WILL COINCIDE WITH WIND SPEEDS BEYOND
  CRITICAL THRESHOLDS. 

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST 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 TEENS.

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

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.

&&

$$
5 follow-up statements
232 
WWUS85 KTWC 100258
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
758 PM MST MON MAY 9 2011

...A RED FLAG WARNING IS IN EFFECT FROM NOON TO 7 PM MST TUESDAY
EVENING FOR SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE
COUNTIES FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE HUMIDITIES
AND VERY HIGH TO EXTREME FIRE DANGER.

.A VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF
ARIZONA WILL BRING ONE MORE DAY OF BREEZY TO WINDY CONDITIONS TO
FAR EASTERN PORTIONS OF SOUTHEAST ARIZONA TUESDAY AFTERNOON. THIS
WILL PRODUCE SUSTAINED WINDS UP TO 30 MPH AND GUSTS TO 45 MPH.
GIVEN THE ALREADY VERY DRY CONDITIONS IN PLACE...CRITICAL FIRE
WEATHER CONDITIONS ARE EXPECTED.

AZZ148-101400-
/O.EXP.KTWC.FW.W.0018.000000T0000Z-110510T0300Z/
/O.CON.KTWC.FW.W.0019.110510T1900Z-110511T0200Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
758 PM MST MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM MST
TUESDAY...
...RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM MST THIS EVENING. A RED
FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM MST TUESDAY. 

* AFFECTED AREA...THE RED FLAG WARNING TUESDAY IS VALID FOR
  SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT BY
  NOON TUESDAY IN THE AFFECTED AREAS. 20-FOOT SUSTAINED WINDS ARE
  EXPECTED TO INCREASE BY LATE MORNING BEYOND CRITICAL FIRE
  WEATHER THRESHOLDS.

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 20 TO 30 MPH
  WITH GUSTS UP TO 45 MPH ARE EXPECTED ONCE AGAIN TUESDAY.

* RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP INTO THE
  MID TEENS BY NOON TUESDAY AND REMAIN IN THE 10 TO 15 PERCENT RANGE FOR
  THE AFFECTED AREAS THROUGH TUESDAY EVENING.

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

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.

&&

$$

AZZ146-100400-
/O.EXP.KTWC.FW.W.0018.000000T0000Z-110510T0300Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-
758 PM MST MON MAY 9 2011

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

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

20-FOOT SUSTAINED WIND SPEEDS HAVE FALLEN BELOW RED FLAG CRITERIA
AND RELATIVE HUMIDITY VALUES ARE SLOWLY INCREASING...WITH MANY
STATIONS REPORTING ABOVE THE CRITICAL 15 PERCENT THRESHOLD AT THE
TIME OF THIS WRITING. THUS...THE RED FLAG WARNING WILL BE ALLOWED
TO EXPIRE FOR FIRE WEATHER ZONE 146...INCLUDING NORTHERN GREENLEE
COUNTY AND GRAHAM COUNTY NORTH OF THE GILA RIVER.

$$
333 
WWUS85 KTWC 100320
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
820 PM MST MON MAY 9 2011

...A RED FLAG WARNING IS IN EFFECT FROM NOON TO 7 PM MST TUESDAY
EVENING FOR SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE
COUNTIES FOR STRONG AND GUSTY WINDS...VERY LOW RELATIVE
HUMIDITIES AND VERY HIGH TO EXTREME FIRE DANGER RATING...

.A VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF
ARIZONA WILL BRING ONE MORE DAY OF BREEZY TO WINDY CONDITIONS TO
FAR EASTERN PORTIONS OF SOUTHEAST ARIZONA TUESDAY AFTERNOON. THIS
WILL PRODUCE SUSTAINED WINDS UP TO 30 MPH AND GUSTS TO 45 MPH.
GIVEN THE ALREADY VERY DRY CONDITIONS IN PLACE...CRITICAL FIRE
WEATHER CONDITIONS ARE EXPECTED.

AZZ148-101400-
/O.CON.KTWC.FW.W.0019.110510T1900Z-110511T0200Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
820 PM MST MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM MST
TUESDAY...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 7 PM MST
TUESDAY. 

* AFFECTED AREA...THE RED FLAG WARNING TUESDAY IS VALID FOR 
  SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES. 

* TIMING...RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT BY NOON
  TUESDAY IN THE AFFECTED AREAS. 20-FOOT SUSTAINED WINDS ARE
  EXPECTED TO INCREASE BY LATE MORNING BEYOND CRITICAL FIRE
  WEATHER THRESHOLDS.

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 20 TO 30 MPH
  WITH GUSTS UP TO 45 MPH ARE EXPECTED ONCE AGAIN TUESDAY.

* RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES WILL DROP INTO THE
  MID TEENS BY NOON TUESDAY AND REMAIN IN THE 10 TO 15 PERCENT
  RANGE FOR THE AFFECTED AREAS THROUGH TUESDAY EVENING.

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

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
968 
WWUS85 KTWC 100934
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
234 AM MST TUE MAY 10 2011

...A RED FLAG WARNING IS IN EFFECT FROM NOON TODAY TO 7 PM MST
THIS EVENING FOR SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE
COUNTIES FOR STRONG AND GUSTY WINDS...LOW RELATIVE HUMIDITIES AND
VERY HIGH TO EXTREME FIRE DANGER RATING...

.A VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF ARIZONA
WILL BRING ANOTHER DAY OF BREEZY TO WINDY CONDITIONS TO EASTERN
PORTIONS OF SOUTHEAST ARIZONA TODAY. THIS WILL PRODUCE SUSTAINED
20-FOOT WINDS OF 20 TO 30 MPH WITH GUSTS UP TO 45 MPH. GIVEN THE
VERY DRY CONDITIONS IN PLACE...CRITICAL FIRE WEATHER CONDITIONS
ARE EXPECTED.

AZZ148-110200-
/O.CON.KTWC.FW.W.0019.110510T1900Z-110511T0200Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
234 AM MST TUE MAY 10 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MST
THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MST
THIS EVENING. 

* AFFECTED AREA...THE RED FLAG WARNING IS VALID FOR SOUTHERN
  GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT BY
  NOON TUESDAY IN THE WARNING AREA. 20-FOOT SUSTAINED WINDS ARE
  EXPECTED TO INCREASE BY LATE MORNING BEYOND CRITICAL FIRE
  WEATHER THRESHOLDS.

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

* RELATIVE HUMIDITY...ALTHOUGH RELATIVE HUMIDITIES WILL BE HIGHER
  THAN MONDAY...VALUES WILL STILL DROP INTO THE MID TEENS BY NOON
  AND REMAIN IN THE 12 TO 15 PERCENT RANGE FOR THE AFFECTED AREAS
  THROUGH THIS EVENING.

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

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
582 
WWUS85 KTWC 101917
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
1217 PM MST TUE MAY 10 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR SOUTHERN GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES FOR
STRONG AND GUSTY WINDS...LOW RELATIVE HUMIDITIES AND VERY HIGH TO
EXTREME FIRE DANGER RATING...

.A STRONG LOW PRESSURE SYSTEM PASSING THE NORTH OF ARIZONA HAS
RESULTED IN BREEZY TO WINDY CONDITIONS ACROSS EASTERN PORTIONS OF
SOUTHEAST ARIZONA. EXPECT SUSTAINED 20-FOOT WINDS OF 20 TO 30 MPH
WITH GUSTS UP TO 45 MPH. WITH DRY CONDITIONS IN PLACE...CRITICAL
FIRE WEATHER CONDITIONS ARE EXPECTED IN SOUTHERN GRAHAM...SOUTHERN
GREENLEE...AND COCHISE COUNTIES THROUGH THE EARLY EVENING HOURS
TONIGHT. 

AZZ148-110200-
/O.CON.KTWC.FW.W.0019.000000T0000Z-110511T0200Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
1217 PM MST TUE MAY 10 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...THE RED FLAG WARNING IS IN EFFECT FOR SOUTHERN
  GRAHAM...SOUTHERN GREENLEE AND COCHISE COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES WILL CONTINUE TO FALL THIS
  AFTERNOON AND WILL BE BELOW 15 PERCENT...AND 20-FOOT SUSTAINED
  WINDS WILL BE ABOVE CRITICAL FIRE WEATHER THRESHOLDS THROUGH 7
  PM MST THIS EVENING.

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 20 TO 30 MPH
  WITH GUSTS UP TO 45 MPH ARE EXPECTED.

* RELATIVE HUMIDITY...VALUES WILL DROP INTO THE SINGLE DIGITS TO
  MID TEENS THROUGH THE EARLY EVENING HOURS TONIGHT.

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

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 TODAY.

&&

$$

HTTP://WEATHER.GOV/TUCSON
212 
WWUS85 KTWC 110204
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
704 PM MST TUE MAY 10 2011


AZZ148-110315-
/O.EXP.KTWC.FW.W.0019.000000T0000Z-110511T0200Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
703 PM MST TUE MAY 10 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

A STORM SYSTEM THAT IS NOW NEAR THE FOUR CORNERS AND HAS PRODCUED
STRONG GUSTY WINDS COMBINED WITH LOW RELATIVE HUMIDITIES IS NOW
PUSHING TO THE EAST. WINDS ARE NOW STARTING TO SUBSIDE ACROSS THE
AREA BELOW CRITICAL FIRE WEATHER THRESHOLDS. IN ADDITION...AS
TEMPERATURES CONTINUE TO COOL OFF THIS EVENING...RELATIVE
HUMIDITY VALUES WILL CONTINUE TO RISE WITH A MODERATE RECOVERY
OVERNIGHT. GIVEN THESE FACTORS THE RED FLAG WARNING HAS BEEN
ALLOWED TO EXPIRE.
 
$$


HTTP://WEATHER.GOV/TUCSON

The office that day

Everything else NWS Tucson, AZ issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 9, 5:35 AM MSTFire Weather WatchTWC8 hr

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.