Alert archive / Arizona / Red Flag Warnings in 2008

Red Flag Warning 20, NWS Tucson, AZ

May 20, 2008

NWS Tucson, AZ issued this red flag warning at May 20, 2008, 11:49 AM MST. It took effect at May 21, 2008, 10:00 AM MST. It was in force for 11 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 20, 2008, 11:49 AM MST (18:49 UTC)
In effect from
May 21, 2008, 10:00 AM MST
Expired
May 21, 2008, 9:00 PM MST
In force
11 hr
Issued by
NWS Tucson, AZ

The text

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

000 
WWUS85 KTWC 201849
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
1149 AM MST TUE MAY 20 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY FOR
COCHISE...SANTA CRUZ...GRAHAM...GREENLEE AND PIMA COUNTIES...AS
WELL AS SOUTHEAST PINAL COUNTY FOR STRONG AND GUSTY SOUTHWEST
WINDS...LOW RELATIVE HUMIDITIES...AND A VERY HIGH TO EXTREME FIRE
DANGER RATING...

...FIRE WEATHER WATCH IN EFFECT THURSDAY MORNING THROUGH THURSDAY
EVENING FOR COCHISE AND SANTA CRUZ COUNTIES FOR STRONG AND GUSTY
WINDS...LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE
DANGER RATING...

.UNSEASONALLY STRONG LOW PRESSURE WILL MOVE SOUTHWARD INTO THE
GREAT BASIN WEDNESDAY CREATING VERY STRONG AND GUSTY WINDS OVER
MUCH OF ARIZONA. 20 FOOT SUSTAINED WIND SPEEDS RANGING FROM 20 TO
35 MPH WITH GUSTS RANGING 40 TO 50 MPH ARE EXPECTED TO DEVELOP BY
WEDNESDAY AFTERNOON. WITH DRY AIR IN PLACE OVER THE STATE...THIS
WILL GIVE RISE TO WIDESPREAD RED FLAG CONDITIONS. THUS...THE
PREVIOUS FIRE WEATHER WATCH HAS BEEN UPGRADED TO A RED FLAG
WARNING FOR WEDNESDAY.

AZZ148-211300-
/O.UPG.KTWC.FW.A.0016.080521T1700Z-080522T0400Z/
/O.NEW.KTWC.FW.W.0020.080521T1700Z-080522T0400Z/
/O.NEW.KTWC.FW.A.0017.080522T1700Z-080523T0400Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
1149 AM MST TUE MAY 20 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY...
...FIRE WEATHER WATCH IN EFFECT FROM THURSDAY MORNING THROUGH
THURSDAY EVENING...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY. A
FIRE WEATHER WATCH HAS ALSO BEEN ISSUED. THIS FIRE WEATHER WATCH
IS IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY EVENING. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

A STRONG UPPER LEVEL DISTURBANCE OVER THE PACIFIC NORTHWEST WILL
DROP SOUTH THROUGH THE GREAT BASIN AND INTO NORTHERN ARIZONA BY
WEDNESDAY AFTERNOON. THIS WILL RESULT IN WIDESPREAD VERY STRONG
AND GUSTY SOUTHWEST WINDS WEDNESDAY OVER ALL OF SOUTHEAST ARIZONA.
EXPECT SUSTAINED 20-FOOT WIND SPEEDS RANGING BETWEEN 20 TO 35 MPH
WITH GUSTS AS HIGH AS 50 TO 55 MPH. WIND SPEEDS ARE EXPECTED TO
ENTER INTO RED FLAG CRITERIA BY 11 AM FOR LOCATIONS WITHIN COCHISE
AND SANTA CRUZ COUNTIES WHILE WAITING UNTIL NOON TO AFFECT THE
REMAINDER OF FIRE WEATHER ZONE 148. MAXIMUM WIND SPEEDS ARE
EXPECTED AROUND 5 PM MST...THEN DROP SOMEWHAT AS THE EVENING
PROGRESSES...HOWEVER WIND SPEEDS WILL REMAIN INCREASED OVERNIGHT
WITH SOME LOCATIONS IN COCHISE COUNTY STILL SEEING WINDS EXCEEDING
RED FLAG CRITERIA. DUE TO THE DRY AIR OVERHEAD...RELATIVE
HUMIDITIES WILL BE QUICKER TO MEED RED FLAG CRITERIA WITH ISOLATED
LOCATIONS DROPPING BELOW 15 PERCENT BY 9 AM MST...BUT MORE
WIDESPREAD BY 10 AM MST.

THIS COMBINATION OF STRONG AND GUSTY WINDS...A DRY AIRMASS IN
PLACE ACROSS THE STATE AND A VERY HIGH TO EXTREME FIRE
DANGER...HAVE RESULTED IN A RED FLAG WARNING EFFECTIVE 10 AM MST
WEDNESDAY MORNING THROUGH 9 PM MST WEDNESDAY EVENING FOR FIRE
WEATHER ZONE 148 (COCHISE...SANTA CRUZ...EASTERN PIMA...SOUTHERN
GREENLEE AND GRAHAM COUNTIES).

WHILE MOISTURE ASSOCIATED WITH THIS LOW WILL FILTER INTO MOST OF
ARIZONA BY THURSDAY...SANTA CRUZ AND COCHISE COUNTIES MAY SEE
INSUFFICIENT AMOUNTS TO RAISE THEIR MINIMUM RELATIVE HUMIDITY
VALUES THURSDAY AFTERNOON ABOVE THE 15 PERCENT THRESHOLD. GIVEN
THAT STRONG AND GUSTY WINDS ARE STILL EXPECTED FOR THESE AREAS
THURSDAY...A FIRE WEATHER WATCH HAS BEEN ISSUED FOR SANTA CRUZ AND
COCHISE COUNTIES WITHIN FIRE WEATHER ZONE 148 FOR THURSDAY MORNING
INTO THURSDAY EVENING.

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.

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 RED FLAG WARNING AND THE FIRE WEATHER WATCH FOR
PORTIONS OF SOUTHEAST ARIZONA.

$$

AZZ146-147-211300-
/O.UPG.KTWC.FW.A.0016.080521T1700Z-080522T0400Z/
/O.NEW.KTWC.FW.W.0020.080521T1700Z-080522T0400Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
1149 AM MST TUE MAY 20 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY.
THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

A STRONG UPPER LEVEL DISTURBANCE OVER THE PACIFIC NORTHWEST WILL
DROP SOUTH THROUGH THE GREAT BASIN AND INTO NORTHERN ARIZONA BY
WEDNESDAY AFTERNOON. THIS WILL RESULT IN WIDESPREAD VERY STRONG
AND GUSTY SOUTHWEST WINDS WEDNESDAY OVER ALL OF SOUTHEAST ARIZONA.
EXPECT SUSTAINED 20-FOOT WIND SPEEDS RANGING BETWEEN 20 TO 35 MPH
WITH GUSTS AS HIGH AS 50 TO 55 MPH BEGINNING LATE WEDNESDAY
MORNING AND PERSISTING INTO THE EARLY EVENING HOURS. WIND SPEEDS
ARE EXPECTED TO ENTER INTO RED FLAG CRITERIA BY NOON WITH MAXIMUM
WIND SPEEDS EXPECTED AROUND 5 PM MST. WINDS WILL THEN DROP
SOMEWHAT IN SPEED AS THE EVENING PROGRESSES...HOWEVER WIND SPEEDS
WILL REMAIN INCREASED OVERNIGHT WITH SOME LOCATIONS IN GREENLEE
COUNTY STILL SEEING WINDS EXCEEDING RED FLAG CRITERIA. DUE TO THE
DRY AIR OVERHEAD...RELATIVE HUMIDITIES WILL BE QUICKER TO MEED RED
FLAG CRITERIA WITH LOCATIONS IN FIRE WEATHER ZONE 147 (WESTERN AND
CENTRAL PIMA COUNTY AND SOUTHEASTERN PINAL COUNTY) DROPPING BELOW
15 PERCENT BY 9 AM MST...WITH LOCATIONS IN NORTHERN GRAHAM AND
GREENLEE COUNTIES STARTING TO FALL BELOW THIS THRESHOLD BY 10 AM
MST.

THIS COMBINATION OF STRONG AND GUSTY WINDS...A DRY AIRMASS IN
PLACE ACROSS THE STATE AND A VERY HIGH TO EXTREME FIRE
DANGER...HAVE RESULTED IN A FIRE WEATHER WATCH EFFECTIVE WEDNESDAY
MORNING THROUGH WEDNESDAY EVENING FOR FIRE WEATHER ZONE 146
(NORTHERN GREENLEE AND GRAHAM COUNTIES) AND FIRE WEATHER ZONE 147
(SOUTHEAST PINAL COUNTY...WESTERN PIMA COUNTY AND THE TOHONO
OODHAM NATION).

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 TODAY FOR PORTIONS OF SOUTHEAST
ARIZONA.

$$
4 follow-up statements
000 
WWUS85 KTWC 211023
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
323 AM MST WED MAY 21 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY
FOR COCHISE...SANTA CRUZ...GRAHAM...GREENLEE AND PIMA COUNTIES...
AS WELL AS SOUTHEAST PINAL COUNTY FOR STRONG AND GUSTY SOUTHWEST
WINDS...LOW RELATIVE HUMIDITIES...AND A VERY HIGH TO EXTREME FIRE
DANGER RATING...

...FIRE WEATHER WATCH IN EFFECT THURSDAY MORNING THROUGH THURSDAY
EVENING FOR COCHISE AND SANTA CRUZ COUNTIES FOR STRONG AND GUSTY
WINDS...LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE
DANGER RATING...

.AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM OVER THE PACIFIC
NORTHWEST WILL CONTINUE TO PUSH THROUGH THE GREAT BASIN AND INTO
ARIZONA TODAY...RESULTING IN VERY WINDY CONDITIONS ACROSS ALL OF
SOUTHEAST ARIZONA. EXPECT SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS
RANGING FROM 25 TO 35 MPH WITH GUSTS RANGING BETWEEN 40 TO 50 MPH.
THE COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE
STATE AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT
IN WIDESPREAD RED FLAG CONDITIONS TODAY ACROSS ALL OF SOUTHEAST
ARIZONA.

AZZ148-220400-
/O.CON.KTWC.FW.W.0020.080521T1700Z-080522T0400Z/
/O.CON.KTWC.FW.A.0017.080522T1700Z-080523T0400Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
323 AM MST WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
9 PM MST THIS EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
9 PM MST THIS EVENING. A FIRE WEATHER WATCH REMAINS IN EFFECT
FROM THURSDAY MORNING THROUGH THURSDAY EVENING. 

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM OVER THE PACIFIC
NORTHWEST WILL CONTINUE TO PUSH THROUGH THE GREAT BASIN AND INTO
ARIZONA TODAY...RESULTING IN VERY WINDY CONDITIONS ACROSS ALL OF
SOUTHEAST ARIZONA. EXPECT SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS
RANGING FROM 25 TO 35 MPH WITH GUSTS BETWEEN 45 TO 50 MPH. THE
COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE STATE
AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN
WIDESPREAD RED FLAG CONDITIONS TODAY ACROSS ALL OF SOUTHEAST
ARIZONA. THEREFORE...A RED FLAG WARNING IS IN EFFECT FROM 10 AM
MST THIS MORNING THROUGH 9 PM MST THIS EVENING FOR FIRE WEATHER
ZONE 148...INCLUDING COCHISE...SANTA CRUZ...EASTERN PIMA...
AS WELL AS GRAHAM AND GREENLEE COUNTIES SOUTH OF THE GILA RIVER. 

THIS LOW PRESSURE SYSTEM WILL RESIDE ACROSS THE DESERT SOUTHWEST
THE NEXT COUPLE OF DAYS...RESULTING IN STRONG AND GUSTY WINDS
THURSDAY AND FRIDAY AS WELL...ESPECIALLY AREAS EAST OF TUCSON.
WHILE MOISTURE ASSOCIATED WITH THIS LOW WILL FILTER INTO MOST OF
ARIZONA BY THURSDAY...SANTA CRUZ AND COCHISE COUNTIES MAY NOT
MOISTEN UP ENOUGH TO RAISE THEIR MINIMUM RELATIVE HUMIDITY VALUES
THURSDAY AFTERNOON ABOVE 15 PERCENT. GIVEN THAT STRONG AND GUSTY
WINDS ARE EXPECTED THURSDAY...A FIRE WEATHER WATCH REMAINS IN
EFFECT FOR SANTA CRUZ AND COCHISE COUNTIES WITHIN FIRE WEATHER
ZONE 148 THURSDAY MORNING INTO THURSDAY EVENING.

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.

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 RED FLAG WARNING AND THE FIRE WEATHER WATCH FOR
PORTIONS OF SOUTHEAST ARIZONA.

$$

AZZ146-147-220400-
/O.CON.KTWC.FW.W.0020.080521T1700Z-080522T0400Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
323 AM MST WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
9 PM MST THIS EVENING...

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO
9 PM MST THIS EVENING. 

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM OVER THE PACIFIC
NORTHWEST WILL CONTINUE TO PUSH THROUGH THE GREAT BASIN AND INTO
ARIZONA TODAY...RESULTING IN VERY WINDY CONDITIONS ACROSS ALL OF
SOUTHEAST ARIZONA. EXPECT SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS
RANGING FROM 25 TO 35 MPH WITH GUSTS BETWEEN 40 TO 50 MPH. THE
COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE STATE
AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN
WIDESPREAD RED FLAG CONDITIONS TODAY ACROSS ALL OF SOUTHEAST
ARIZONA. THEREFORE...A RED FLAG WARNING IS IN EFFECT FROM 10 AM
MST THIS MORNING THROUGH 9 PM MST THIS EVENING FOR FIRE WEATHER
ZONE 146...INCLUDING GRAHAM AND GREENLEE COUNTIES NORTH OF THE
GILA RIVER AS WELL AS FIRE WEATHER ZONE 147...WHICH INCLUDES
SOUTHEAST PINAL COUNTY...AS WELL AS WESTERN AND CENTRAL PIMA
COUNTIES.

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 TODAY FOR PORTIONS OF SOUTHEAST
ARIZONA.

$$
000 
WWUS85 KTWC 212102
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
202 PM MST WED MAY 21 2008

...RED FLAG WARNING IN EFFECT FROM 10 AM TO 9 PM MST WEDNESDAY
FOR COCHISE...SANTA CRUZ...GRAHAM...GREENLEE AND PIMA COUNTIES...
AS WELL AS SOUTHEAST PINAL COUNTY FOR STRONG AND GUSTY SOUTHWEST
WINDS...LOW RELATIVE HUMIDITIES...AND A VERY HIGH TO EXTREME FIRE
DANGER RATING...

...FIRE WEATHER WATCH IN EFFECT THURSDAY MORNING THROUGH THURSDAY
EVENING FOR COCHISE AND SANTA CRUZ COUNTIES FOR STRONG AND GUSTY
WINDS...LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE
DANGER RATING...

.AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM FOR MAY WILL CONTINUE
TO PUSH INTO THE GREAT BASIN THIS AFTERNOON AND TONIGHT...RESULTING
IN VERY WINDY CONDITIONS ACROSS ALL OF SOUTHEAST ARIZONA TODAY AND
THURSDAY. SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS RANGING FROM 25
TO 35 MPH WITH GUSTS RANGING BETWEEN 40 TO 50 MPH WILL CONTINUE
INTO THIS EVENING WITH A REPEAT OF THESE WINDS ON
THURSDAY...ESPECIALLY SOUTH AND EAST OF TUCSON. THE COMBINATION OF
THESE WINDS...A DRY AIRMASS IN PLACE OVER THE STATE AND THE VERY
HIGH TO EXTREME FIRE DANGER RATING WILL RESULT IN WIDESPREAD RED
FLAG CONDITIONS INTO THE EVENING ACROSS ALL OF SOUTHEAST ARIZONA.

SOME MOISTURE WILL INCREASE ACROSS THE AREA ON THURSDAY RESULTING
IN HIGHER RELATIVE HUMIDITY VALUES. HOWEVER RELATIVE HUMIDITY
VALUES WILL BE NEAR RED FLAG CRITERIA IN COCHISE AND SANTA CRUZ
COUNTIES...THUS A FIRE WEATHER WATCH REMAINS IN EFFECT FOR
THURSDAY AFTERNOON AND EVENING.


AZZ148-220400-
/O.CON.KTWC.FW.W.0020.000000T0000Z-080522T0400Z/
/O.CON.KTWC.FW.A.0017.080522T1700Z-080523T0400Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
202 PM MST WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING.
A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING. 

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM FOR MAY WILL CONTINUE
TO PUSH THROUGH THE GREAT BASIN THIS AFTERNOON AND TONIGHT.
SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS RANGING FROM 25 TO 35 MPH
WITH GUSTS BETWEEN 45 TO 55 MPH WILL CONTINUE INTO THIS EVENING.
THE COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE
STATE AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT
IN WIDESPREAD RED FLAG CONDITIONS FOR THE REMAINDER OF THIS
AFTERNOON UNTIL THIS EVENING. THEREFORE...A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING FOR FIRE WEATHER
ZONE 148...INCLUDING COCHISE...SANTA CRUZ...EASTERN PIMA... AS
WELL AS GRAHAM AND GREENLEE COUNTIES SOUTH OF THE GILA RIVER.

THIS LOW PRESSURE SYSTEM WILL RESIDE ACROSS THE DESERT SOUTHWEST
THE NEXT COUPLE OF DAYS...RESULTING IN STRONG AND GUSTY WINDS
THURSDAY AND FRIDAY AS WELL...ESPECIALLY AREAS EAST OF TUCSON.
WHILE MOISTURE ASSOCIATED WITH THIS LOW WILL FILTER INTO MOST OF
ARIZONA BY THURSDAY...SANTA CRUZ AND COCHISE COUNTIES MAY NOT
MOISTEN UP ENOUGH TO RAISE THEIR MINIMUM RELATIVE HUMIDITY VALUES
THURSDAY AFTERNOON ABOVE 15 PERCENT. GIVEN THAT STRONG AND GUSTY
WINDS ARE EXPECTED THURSDAY...A FIRE WEATHER WATCH REMAINS IN
EFFECT FOR SANTA CRUZ AND COCHISE COUNTIES WITHIN FIRE WEATHER
ZONE 148 THURSDAY MORNING INTO THURSDAY EVENING.

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.

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 RED FLAG WARNING AND THE FIRE WEATHER WATCH FOR
PORTIONS OF SOUTHEAST ARIZONA.

$$

AZZ146-147-220400-
/O.CON.KTWC.FW.W.0020.000000T0000Z-080522T0400Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
202 PM MST WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING.

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM FOR MAY WILL CONTINUE
TO PUSH THROUGH THE GREAT BASIN THIS AFTERNOON AND TONIGHT.
SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS RANGING FROM 25 TO 35 MPH
WITH GUSTS BETWEEN 40 TO 50 MPH WILL CONTINUE INTO THIS EVENING.
THE COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE
STATE AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT
IN WIDESPREAD RED FLAG CONDITIONS FOR THE REMAINDER OF THIS
AFTERNOON AND INTO THIS EVENING. THEREFORE...A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING FOR FIRE WEATHER
ZONE 146...INCLUDING GRAHAM AND GREENLEE COUNTIES NORTH OF THE
GILA RIVER AS WELL AS FIRE WEATHER ZONE 147...WHICH INCLUDES
SOUTHEAST PINAL COUNTY...AS WELL AS WESTERN AND CENTRAL PIMA
COUNTIES.

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 TODAY FOR PORTIONS OF SOUTHEAST
ARIZONA.

$$
000 
WWUS85 KTWC 212104
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
204 PM MST WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING FOR
COCHISE...SANTA CRUZ...GRAHAM...GREENLEE AND PIMA COUNTIES... AS
WELL AS SOUTHEAST PINAL COUNTY FOR STRONG AND GUSTY SOUTHWEST
WINDS...LOW RELATIVE HUMIDITIES...AND A VERY HIGH TO EXTREME FIRE
DANGER RATING...

...FIRE WEATHER WATCH IN EFFECT THURSDAY MORNING THROUGH THURSDAY
EVENING FOR COCHISE AND SANTA CRUZ COUNTIES FOR STRONG AND GUSTY
WINDS...LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE
DANGER RATING...

.AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM FOR MAY WILL CONTINUE
TO PUSH INTO THE GREAT BASIN THIS AFTERNOON AND TONIGHT...
RESULTING IN VERY WINDY CONDITIONS ACROSS ALL OF SOUTHEAST
ARIZONA TODAY AND THURSDAY. SOUTHWEST 20-FOOT SUSTAINED WIND
SPEEDS RANGING FROM 25 TO 35 MPH WITH GUSTS RANGING BETWEEN 40 TO
50 MPH WILL CONTINUE INTO THIS EVENING WITH A REPEAT OF THESE
WINDS ON THURSDAY...ESPECIALLY SOUTH AND EAST OF TUCSON. THE
COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE
STATE AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT
IN WIDESPREAD RED FLAG CONDITIONS INTO THE EVENING ACROSS ALL OF
SOUTHEAST ARIZONA.

SOME MOISTURE WILL INCREASE ACROSS THE AREA ON THURSDAY RESULTING
IN HIGHER RELATIVE HUMIDITY VALUES. HOWEVER RELATIVE HUMIDITY
VALUES WILL BE NEAR RED FLAG CRITERIA IN COCHISE AND SANTA CRUZ
COUNTIES...THUS A FIRE WEATHER WATCH REMAINS IN EFFECT FOR
THURSDAY AFTERNOON AND EVENING.

AZZ148-220515-
/O.CON.KTWC.FW.W.0020.000000T0000Z-080522T0400Z/
/O.CON.KTWC.FW.A.0017.080522T1700Z-080523T0400Z/
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 WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...
...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING.
A FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING. 

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM FOR MAY WILL CONTINUE
TO PUSH THROUGH THE GREAT BASIN THIS AFTERNOON AND TONIGHT.
SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS RANGING FROM 25 TO 35 MPH
WITH GUSTS BETWEEN 45 TO 55 MPH WILL CONTINUE INTO THIS EVENING.
THE COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE
STATE AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT
IN WIDESPREAD RED FLAG CONDITIONS FOR THE REMAINDER OF THIS
AFTERNOON UNTIL THIS EVENING. THEREFORE...A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING FOR FIRE WEATHER
ZONE 148...INCLUDING COCHISE...SANTA CRUZ...EASTERN PIMA... AS
WELL AS GRAHAM AND GREENLEE COUNTIES SOUTH OF THE GILA RIVER.

THIS LOW PRESSURE SYSTEM WILL RESIDE ACROSS THE DESERT SOUTHWEST
THE NEXT COUPLE OF DAYS...RESULTING IN STRONG AND GUSTY WINDS
THURSDAY AND FRIDAY AS WELL...ESPECIALLY AREAS EAST OF TUCSON.
WHILE MOISTURE ASSOCIATED WITH THIS LOW WILL FILTER INTO MOST OF
ARIZONA BY THURSDAY...SANTA CRUZ AND COCHISE COUNTIES MAY NOT
MOISTEN UP ENOUGH TO RAISE THEIR MINIMUM RELATIVE HUMIDITY VALUES
THURSDAY AFTERNOON ABOVE 15 PERCENT. GIVEN THAT STRONG AND GUSTY
WINDS ARE EXPECTED THURSDAY...A FIRE WEATHER WATCH REMAINS IN
EFFECT FOR SANTA CRUZ AND COCHISE COUNTIES WITHIN FIRE WEATHER
ZONE 148 THURSDAY MORNING INTO THURSDAY EVENING.

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.

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 RED FLAG WARNING AND THE FIRE WEATHER WATCH FOR
PORTIONS OF SOUTHEAST ARIZONA.

$$

AZZ146-147-220400-
/O.CON.KTWC.FW.W.0020.000000T0000Z-080522T0400Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
204 PM MST WED MAY 21 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS
EVENING...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING.

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM FOR MAY WILL CONTINUE
TO PUSH THROUGH THE GREAT BASIN THIS AFTERNOON AND TONIGHT.
SOUTHWEST 20-FOOT SUSTAINED WIND SPEEDS RANGING FROM 25 TO 35 MPH
WITH GUSTS BETWEEN 40 TO 50 MPH WILL CONTINUE INTO THIS EVENING.
THE COMBINATION OF THESE WINDS...A DRY AIRMASS IN PLACE OVER THE
STATE AND THE VERY HIGH TO EXTREME FIRE DANGER RATING WILL RESULT
IN WIDESPREAD RED FLAG CONDITIONS FOR THE REMAINDER OF THIS
AFTERNOON AND INTO THIS EVENING. THEREFORE...A RED FLAG WARNING
REMAINS IN EFFECT UNTIL 9 PM MST THIS EVENING FOR FIRE WEATHER
ZONE 146...INCLUDING GRAHAM AND GREENLEE COUNTIES NORTH OF THE
GILA RIVER AS WELL AS FIRE WEATHER ZONE 147...WHICH INCLUDES
SOUTHEAST PINAL COUNTY...AS WELL AS WESTERN AND CENTRAL PIMA
COUNTIES.

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 TODAY FOR PORTIONS OF SOUTHEAST
ARIZONA.

$$
000 
WWUS85 KTWC 220417
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
917 PM MST WED MAY 21 2008

...FIRE WEATHER WATCH IN EFFECT THURSDAY MORNING THROUGH THURSDAY
EVENING FOR COCHISE AND SANTA CRUZ COUNTIES FOR STRONG AND GUSTY
WINDS...LOW RELATIVE HUMIDITIES AND VERY HIGH TO EXTREME FIRE
DANGER RATING...

.AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM WILL REMAIN OVER THE
WESTERN STATES THURSDAY. ALTHOUGH WINDS WILL INCREASE AGAIN
THURSDAY MORNING AND CONTINUE THROUGH THE AFTERNOON...SOME
INCREASE IN MOISTURE WILL ALSO OCCUR. RELATIVE HUMIDITIES WILL BE
NEAR OR JUST BELOW 15 PERCENT IN COCHISE AND SANTA CRUZ COUNTIES.
THUS A FIRE WEATHER WATCH REMAINS IN EFFECT FOR THURSDAY AFTERNOON
AND EVENING FOR COCHISE AND SANTA CRUZ COUNTIES.

AZZ148-221400-
/O.EXP.KTWC.FW.W.0020.000000T0000Z-080522T0400Z/
/O.CON.KTWC.FW.A.0017.080522T1700Z-080523T0400Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
917 PM MST WED MAY 21 2008

...FIRE WEATHER WATCH REMAINS IN EFFECT FROM THURSDAY MORNING
THROUGH THURSDAY EVENING...
...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING ISSUED EARLIER FOR FIRE ZONE 148 IS NO
LONGER IN EFFECT. A FIRE WEATHER WATCH REMAINS IN EFFECT FROM
THURSDAY MORNING THROUGH THURSDAY EVENING. ALTHOUGH WINDS WILL
INCREASE AGAIN THURSDAY MORNING AND CONTINUE THROUGH THE
AFTERNOON...SOME INCREASE IN MOISTURE WILL ALSO OCCUR. RELATIVE
HUMIDITIES WILL BE NEAR OR JUST BELOW 15 PERCENT IN COCHISE AND
SANTA CRUZ COUNTIES. THUS A FIRE WEATHER WATCH REMAINS IN EFFECT
FOR THURSDAY AFTERNOON AND EVENING.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE FIRE WEATHER WATCH 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.


$$

AZZ146-147-220530-
/O.EXP.KTWC.FW.W.0020.000000T0000Z-080522T0400Z/
ARIZONA FIRE WEATHER ZONE 146
NORTHERN GREENLEE COUNTY-GRAHAM COUNTY NORTH OF GILA RIVER-
APACHE NF/SAN CARLOS BIA/SDC-ARIZONA FIRE WEATHER ZONE 147
SOUTHEAST PINAL COUNTY-WESTERN PIMA COUNTY-
TOHONO OODHAM NATION-CORONADO NF/PAPAGO BIA/TDC-
917 PM MST WED MAY 21 2008

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING ISSUED EARLIER IS NO LONGER IN EFFECT.

AN UNSEASONABLY STRONG LOW PRESSURE SYSTEM WILL REMAIN OVER THE
WESTERN STATES THURSDAY. ALTHOUGH WINDS WILL INCREASE AGAIN
THURSDAY MORNING AND CONTINUE THROUGH THE AFTERNOON...SOME
INCREASE IN MOISTURE WILL ALSO OCCUR. RELATIVE HUMIDITIES ARE
EXPECTED TO REMAIN ABOVE 15 PERCENT ACROSS FIRE ZONES 146 AND 147
THURSDAY. THIS WILL PRECLUDE THE ISSUANCE OF A FIRE WEATHER WATCH
OR RED FLAG WARNING FOR FIRE ZONES 146 AND 147 THURSDAY.

$$

What forecasters said that day

The local office's own words before this red flag warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Tucson, AZ wrote its last area forecast discussion before this red flag warning went out at May 20, 9:10 AM MST, 2 hours 39 minutes earlier.

Area forecast discussion, May 20, 9:10 AM MST, 2 hours 39 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE TUCSON AZ
910 AM MST TUE MAY 20 2008

.SYNOPSIS...STRONG HIGH PRESSURE ALOFT WILL CONTINUE THE HOT
TEMPERATURES TODAY. AN UNSEASONABLY STRONG STORM SYSTEM WILL BRING
VERY STRONG AND GUSTY WINDS TO THE AREA WEDNESDAY AND
THURSDAY...FOLLOWED MY MUCH COOLER TEMPERATURES AND A FEW SHOWERS
THURSDAY AND FRIDAY.

&&

.DISCUSSION...ANOTHER DAY OF HOT AND DRY CONDITIONS CAN BE EXPECTED
TODAY AS STRONG HIGH PRESSURE REMAINS OVERHEAD. RECORD TO NEAR
RECORD TEMPERATURES ARE POSSIBLE THIS AFTERNOON BEFORE THE RIDGE
WEAKENS AND SHIFTS EAST LATER TODAY. A STRONG LOW PRESSURE
SYSTEM...CENTERED OVER THE QUEEN CHARLOTTE ISLANDS THIS MORNING WILL
STRENGTHEN AS IT MOVES TO THE SOUTHEAST THROUGH MIDWEEK. AS IT
DOES A VERY TIGHT AND DEEP PRESSURE GRADIENT WILL DEVELOP OVER
SOUTHERN ARIZONA RESULTING IN STRONG WINDS AHEAD OF THE MOISTURE
ON WEDNESDAY. SOUTHWEST WIND SPEEDS OF 25 TO 35 MPH WITH GUSTS TO 45
MPH CAN BE EXPECTED OVER THE LOWER TERRAIN AND 30 TO 40 MPH WITH
GUSTS TO 50 MPH CAN BE EXPECTED OVER THE HIGHER TERRAIN.
THEREFORE...A WIND ADVISORY WILL MOST LIKELY BE ISSUED FOR
WEDNESDAY. ALSO...WILL MOSTLY LIKELY UPGRADE THE FIRE WEATHER WATCH
FOR WEDNESDAY TO A RED FLAG WARNING.

THE FRONTAL SYSTEM ASSOCIATED WITH THE STRONG LOW PRESSURE WILL MOVE
THROUGH THE WESTERN STATES TODAY AND ENTER ARIZONA WEDNESDAY MORNING
PRODUCING THE STRONG AND GUSTY WINDS. ON THURSDAY THE MOISTURE
ASSOCIATED WITH THE STORM SYSTEM WILL BRING THE CHANCE OF RAIN AS
EXCELLENT DYNAMICS AND COOLER AIR COMBINE OVER SOUTHERN ARIZONA.
HIGH TEMPERATURES ON THURSDAY ARE ONLY EXPECTED TO RISE INTO THE MID
80S OVER THE VALLEYS AND INTO THE 50S AND 60S OVER THE HIGHER
TERRAIN. AN ACTUAL COLD FRONT WILL SWEEP THROUGH SOUTHERN
ARIZONA...AND ALTHOUGH MOISTURE WILL BE LIMITED...THE STRENGTH OF
THE SYSTEM WILL CAUSE SCATTERED SHOWERS AND THUNDERSTORMS INTO
SATURDAY. EVEN THE POSSIBILITY OF SNOW IN ELEVATIONS ABOVE 8000 FEET
EXISTS FOR OVERNIGHT PERIODS.

ON SUNDAY HIGH PRESSURE BEGINS TO BUILD FROM THE SOUTHEAST AS A LOW
PRESSURE TROUGH REMAINS OVER THE WESTERN STATES. THESE TWO PRESSURE
CENTERS WILL BATTLE INTO NEXT WEEK WITH THE MEDIUM RANGE MODELS
INDICATING THAT HIGH PRESSURE WILL HOLD STRONG OVER MEXICO. THIS
WILL RESULT IN THE START OF A WARMING TREND THIS WEEKEND.

&&

.FIRE WEATHER...HIGH PRESSURE WILL REMAIN IN PLACE TODAY...KEEPING
WINDS DIURNALLY DRIVEN ALTHOUGH THERE MAY BE SOME AFTERNOON
GUSTINESS DUE TO DIFFERENTIAL HEATING. DEEP LOW PRESSURE CURRENTLY
OVER THE PACIFIC NORTHWEST WILL DROP SOUTH OVER THE GREAT BASIN
WEDNESDAY...TIGHTENING PRESSURE GRADIENTS AND GIVING RISE TO VERY
STRONG AND GUSTY WINDS FOR WEDNESDAY AND INTO THURSDAY. SUSTAINED 20
FOOT WIND SPEEDS IN EXCESS OF 40 MPH WITH GUSTS UP TO 50 MPH ARE
EXPECTED IN MUCH OF COCHISE COUNTY AS WELL AS NORTHERN PORTIONS OF
GREENLEE COUNTY WHILE THE REMAINDER OF SOUTHEAST ARIZONA WILL SEE
WINDS RANGING FROM 30 TO 40 MPH WITH GUSTS AROUND 45 MPH WEDNESDAY
AFTERNOON. WHILE VERY DRY AIR WILL REMAIN IN PLACE
WEDNESDAY...TEMPERATURES WILL FALL AND MOISTURE WILL BEGIN TO FILTER
IN TO SOUTHEAST ARIZONA THURSDAY...HELPING RELATIVE HUMIDITY VALUES
UP OUT OF THE BASEMENT. BUT IT LOOKS LIKE DRY AIR WILL KEEP A
FOOTHOLD IN COCHISE COUNTY AS AFTERNOON RH VALUES ON THURSDAY ARE
EXPECTED TO STILL SIT JUST AT OR A LITTLE UNDER RED FLAG CRITERIA.
THAT SAID...THE FIRE WEATHER WATCH IN PLACE FOR WEDNESDAY WILL
LIKELY BE UPGRADED TO A RED FLAG WARNING FOR THE AFTERNOON FORECAST
PACKAGE. WILL ALSO ISSUE A FIRE WEATHER WATCH FOR THURSDAY AT THAT
TIME...THOUGH MAY LIMIT ITS SCOPE ONLY TO COCHISE COUNTY. THOUGH
WINDS WILL SUBSIDE SOMEWHAT GOING INTO FRIDAY...WINDS WILL REMAIN
RIGHT AT THE RED FLAG THRESHOLD FOR LOCATIONS WITHIN COCHISE AND
NORTHERN GREENLEE COUNTY INTO THE WEEKEND...THOUGH BY THAT
POINT...MOISTURE WILL HAVE MADE ITS WAY INTO SOUTHEAST ARIZONA
KEEPING RELATIVE HUMIDITY VALUES OUTSIDE OF CRITERIA.

&&

.AVIATION...MOSTLY CLEAR TODAY WITH STRONG HIGH PRESSURE DOMINANT.
SEASONABLE DIURNAL WINDS. MUCH STRONGER SOUTHWEST WINDS...30-40
KTS...EXPECTED BY WEDNESDAY AFTERNOON. AVIATION DISCUSSION NOT
UPDATED FOR TAF AMENDMENTS.

&&

.CLIMATE...TUCSON INTERNATIONAL AIRPORT OFFICIALLY HIT 100 DEG F AT
12:10 PM MST YESTERDAY AFTERNOON. THIS WAS ONE WEEK EARLIER THAN THE
AVERAGE DATE OF THE FIRST 100 DEG OCCURRENCE...MAY 26TH. EXPECT
ANOTHER DAY OVER 100 DEGREES TODAY FOR MANY LOCATIONS...WITH A FEW
SPOTS NEARING OR EXCEEDING RECORD HIGHS.

&&

.TWC WATCHES/WARNINGS/ADVISORIES...FIRE WEATHER WATCH FIRE WEATHER
     ZONES 146>148 WEDNESDAY.

PUBLIC...EVANS
FIRE WEATHER...SMR
WEATHER.GOV/TUCSON
Hazardous weather outlook, May 20, 2:55 AM MST, 8 hours 54 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE TUCSON AZ
255 AM MST TUE MAY 20 2008

AZZ019-029>035-211000-
NORTHERN GREENLEE COUNTY-SOUTHEAST PINAL COUNTY-
UPPER GILA RIVER VALLEY-WESTERN PIMA COUNTY-TOHONO OODHAM NATION-
TUCSON METRO/MARANA/GREEN VALLEY-SANTA CRUZ COUNTY-COCHISE COUNTY-
255 AM MST TUE MAY 20 2008

...FIRE WEATHER WATCH WEDNESDAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF SOUTH CENTRAL
ARIZONA AND SOUTHEAST ARIZONA.

.DAY ONE...TODAY
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. ANOTHER HOT DAY
WITH TEMPERATURES RUNNING ABOUT 10 DEGREES ABOVE CLIMO. A FEW
LOCATIONS MAY APPROACH RECORD AFTERNOON HIGHS.

.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY

AN UNSEASONABLY STRONG STORM SYSTEM WILL BRING VERY STRONG AND
GUSTY WINDS TO THE AREA WEDNESDAY AND THURSDAY...FOLLOWED MY MUCH
COOLER TEMPERATURES AND A FEW SHOWERS THURSDAY AND FRIDAY. A FIRE
WEATHER WATCH IS IN EFFECT WEDNESDAY ALL OF SOUTHEAST ARIZONA
INCLUDING COCHISE...SANTA CRUZ...GRAHAM...GREENLEE AND PIMA
COUNTIES...AS WELL AS SOUTHEAST PINAL COUNTY AND THE TOHONO OODHAM
NATION FOR STRONG AND GUSTY WINDS...LOW RELATIVE HUMIDITIES...AND
A VERY HIGH TO EXTREME FIRE DANGER RATING. WE WILL ALSO PROBABLY
EXPERIENCE WIND ADVISORY LEVELS EVERYWHERE WITH A HIGH WIND
WARNING POSSIBLE IN SOME HIGHER TERRAIN AND WIND PRONE ZONES SUCH
AS COCHISE COUNTY.

.SPOTTER INFORMATION STATEMENT...

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

The office that day

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

IssuedProductOfficeCountiesLasted
May 20, 11:49 AM MSTFire Weather WatchTWC39 hr
May 20, 1:02 PM MSTWind AdvisoryTWC32 hr

Nearby

Red Flag Warnings in Arizona, 2008Every red flag warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.