Alert archive / Arizona / Red Flag Warnings in 2011

Red Flag Warning 18, NWS Tucson, AZ

May 8, 2011

NWS Tucson, AZ issued this red flag warning at May 8, 2011, 1:59 PM MST. It took effect at May 9, 2011, 11:00 AM MST. 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
May 8, 2011, 1:59 PM MST (20:59 UTC)
In effect from
May 9, 2011, 11:00 AM MST
Expired
May 9, 2011, 8:00 PM MST
In force
9 hr
Issued by
NWS Tucson, AZ

The text

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

170 
WWUS85 KTWC 082059
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
159 PM MST SUN MAY 8 2011

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

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM MST TO 8 PM MST
MONDAY 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 VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF
ARIZONA WILL BRING BREEZY TO WINDY CONDITIONS TO SOUTHEAST
ARIZONA THIS AFTERNOON AND ONCE AGAIN MONDAY 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.

AZZ146-148-091300-
/O.UPG.KTWC.FW.A.0011.110509T1800Z-110510T0300Z/
/O.NEW.KTWC.FW.W.0018.110509T1800Z-110510T0300Z/
/O.CON.KTWC.FW.W.0017.000000T0000Z-110509T0200Z/
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-
159 PM MST SUN MAY 8 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING...
...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST MONDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MST MONDAY. A RED
FLAG WARNING REMAINS 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. IN
ADDITION...A RED FLAG WARNING HAS BEEN ISSUED FOR MONDAY VALID
FROM 11 AM TO 8 PM MST. 

* AFFECTED AREA...THE RED FLAG WARNING TODAY IS IN EFFECT FOR ALL
  OF SOUTHEAST ARIZONA WHILE THE RED FLAG WARNING MONDAY IS VALID
  FOR GRAHAM...GREENLEE...EASTERN PIMA...SANTA CRUZ AND COCHISE
  COUNTIES.

* TIMING...RELATIVE HUMIDITY VALUES AND WIND SPEEDS WILL EXCEED CRITICAL
  THRESHOLDS INTO THE EARLY EVENING. FOR MONDAY...RELATIVE
  HUMIDITY VALUES WILL DROP BELOW 15 PERCENT BY LATE MORNING WHICH
  WILL COINCIDE WITH WIND SPEEDS INCREASING BEYOND CRITICAL
  THRESHOLDS. EXPECT CRITICAL FIRE WEATHER CONDITIONS TO PERSIST
  INTO MONDAY EVENING.

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 15 TO 25 MPH 
  WITH GUSTS UP TO 40 MPH ARE EXPECTED THIS AFTERNOON AND MONDAY. 

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES ARE EXPECTED TO REMAIN
  IN THE SINGLE DIGITS AND LOW TEENS INTO EARLY THIS EVENING. FOR
  MONDAY... RELATIVE HUMIDITY VALUES ARE EXPECTED TO DROP INTO THE
  HIGH SINGLE DIGITS TO LOWER TEENS BY LATE MORNING.

* 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.

&&

$$

AZZ147-090200-
/O.CON.KTWC.FW.W.0017.000000T0000Z-110509T0200Z/
ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
159 PM MST SUN MAY 8 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.

* TIMING...RELATIVE HUMIDITY VALUES AND WIND SPEEDS ARE EXPECTED
  TO EXCEED CRITICAL FIRE WEATHER THRESHOLDS INTO THE EARLY EVENING.

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 15 TO 25 MPH 
  WITH GUSTS UP TO 40 MPH ARE EXPECTED. 

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES ARE EXPECTED TO REMAIN
  IN THE SINGLE DIGITS TO LOWER TEENS INTO THE EARLY 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.

&&

$$
5 follow-up statements
211 
WWUS85 KTWC 090156
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
656 PM MST SUN MAY 8 2011

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM MST TO 8 PM MST
MONDAY 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 VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF
ARIZONA WILL BRING BREEZY TO WINDY CONDITIONS TO PORTIONS OF SOUTHEAST
ARIZONA AGAIN TOMORROW 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.

AZZ146-148-091400-
/O.EXP.KTWC.FW.W.0017.000000T0000Z-110509T0200Z/
/O.CON.KTWC.FW.W.0018.110509T1800Z-110510T0300Z/
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-
656 PM MST SUN MAY 8 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST
MONDAY FOR GRAHAM...GREENLEE...COCHISE...SANTA CRUZ AND PIMA COUNTIES...
...RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING. A RED
FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 8 PM MST MONDAY. 

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

* TIMING...RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT BY
  LATE MONDAY MORNING WHICH WILL COINCIDE WITH WIND SPEEDS
  INCREASING BEYOND CRITICAL THRESHOLDS. EXPECT CRITICAL FIRE
  WEATHER CONDITIONS TO PERSIST INTO MONDAY EVENING.

* WINDS...SUSTAINED 20-FOOT WEST-SOUTHWEST WINDS OF 15 TO 25 MPH
  WITH GUSTS UP TO 40 MPH ARE EXPECTED MONDAY.

* RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES ARE EXPECTED TO
  DROP INTO THE HIGH SINGLE DIGITS TO LOWER TEENS BY LATE MONDAY MORNING.

* 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.

&&

$$

AZZ147-090300-
/O.EXP.KTWC.FW.W.0017.000000T0000Z-110509T0200Z/
ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
656 PM MST SUN MAY 8 2011

...RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 7 PM MST THIS EVENING. WIND
SPEEDS OVER WESTERN AND CENTRAL PIMA COUNTY AS WELL AS
SOUTHEASTERN PINAL COUNTY HAVE BEGUN TO DIMINISH...FALLING BELOW
CRITICAL FIRE WEATHER THRESHOLDS IN MOST LOCATIONS. WHILE ISOLATED
RED FLAG CONDITIONS ARE POSSIBLE THROUGH 9 PM MST THIS
EVENING...WIDESPREAD CONDITIONS ARE NO LONGER EXPECTED. THUS...THE
RED FLAG WARNING WILL BE ALLOWED TO EXPIRE.


$$
385 
WWUS85 KTWC 091148
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
448 AM MST MON MAY 9 2011

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM MST TO 8 PM MST
TODAY 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 VERY STRONG LOW PRESSURE SYSTEM PASSING TO THE NORTH OF
ARIZONA WILL BRING BREEZY TO WINDY CONDITIONS TO PORTIONS OF
SOUTHEAST ARIZONA THIS 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.

AZZ146-148-092200-
/O.CON.KTWC.FW.W.0018.110509T1800Z-110510T0300Z/
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-
448 AM MST MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MST THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
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 DROP BELOW 15 PERCENT BY
  LATE MORNING WHICH WILL COINCIDE WITH WIND SPEEDS INCREASING
  BEYOND CRITICAL THRESHOLDS. EXPECT CRITICAL FIRE WEATHER
  CONDITIONS TO PERSIST INTO THE EVENING.

* 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
  DROP INTO THE HIGH SINGLE DIGITS TO LOWER TEENS BY LATE MORNING.

* 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
570 
WWUS85 KTWC 091235
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
535 AM MST MON MAY 9 2011

...A RED FLAG WARNING IS IN EFFECT FROM 11 AM MST TO 8 PM MST
TODAY 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 FIRE WEATHER WATCH IS IN EFFECT TUESDAY AFTERNOON FOR
COCHISE COUNTY 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.

AZZ148-092045-
/O.NEW.KTWC.FW.A.0012.110510T1900Z-110511T0100Z/
/O.CON.KTWC.FW.W.0018.110509T1800Z-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-
535 AM MST MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MST THIS EVENING...
...FIRE WEATHER WATCH IN EFFECT TUESDAY AFTERNOON FOR COCHISE 
COUNTY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A FIRE WEATHER
WATCH...WHICH IS IN EFFECT TUESDAY AFTERNOON FOR COCHISE COUNTY.
A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO 8
PM MST THIS EVENING FOR GRAHAM...GREENLEE...EASTERN PIMA...SANTA
CRUZ AND COCHISE COUNTIES.

* AFFECTED AREA...THE RED FLAG WARNING IS VALID FOR GRAHAM...
  GREENLEE...EASTERN PIMA...SANTA CRUZ AND COCHISE COUNTIES. WHILE
  THE FIRE WEATHER WATCH TUESDAY IS VALID FOR COCHISE COUNTY.

* TIMING...RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT
  BY LATE MORNING WHICH WILL COINCIDE WITH WIND SPEEDS INCREASING
  BEYOND CRITICAL THRESHOLDS. EXPECT CRITICAL FIRE WEATHER
  CONDITIONS TO PERSIST INTO THE EVENING. SIMILAR TIMING IS
  EXPECTED TUESDAY FOR THE FIRE WEATHER WATCH AREA.

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

* RELATIVE HUMIDITY...RELATIVE HUMIDITY VALUES ARE EXPECTED TO 
   DROP INTO THE HIGH SINGLE DIGITS TO LOWER TEENS BY LATE 
   MORNING.

* 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.

A FIRE WEATHER WATCH MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE FORECAST TO OCCUR. LISTEN FOR LATER FORECASTS AND POSSIBLE
RED FLAG WARNINGS.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE FIRE WEATHER WATCH FOR PORTIONS OF SOUTHEAST
ARIZONA.

&&

$$

AZZ146-092045-
/O.CON.KTWC.FW.W.0018.110509T1800Z-110510T0300Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-
535 AM MST MON MAY 9 2011

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
8 PM MST THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM THIS MORNING TO
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 DROP BELOW 15 PERCENT 
   BY LATE MORNING WHICH WILL COINCIDE WITH WIND SPEEDS 
   INCREASING BEYOND CRITICAL THRESHOLDS. EXPECT CRITICAL FIRE 
   WEATHER CONDITIONS TO PERSIST INTO THE EVENING.

* 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 
   DROP INTO THE HIGH SINGLE DIGITS TO LOWER TEENS BY LATE 
   MORNING.

* 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
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.

&&

$$
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.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
May 8, 1:59 PM MSTWind AdvisoryTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz30 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.