Alert archive / Arizona / Red Flag Warnings in 2007

Red Flag Warning 9, NWS Tucson, AZ

May 3, 2007

NWS Tucson, AZ issued this red flag warning at May 3, 2007, 2:50 PM MST. It took effect at May 4, 2007, 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 3, 2007, 2:50 PM MST (21:50 UTC)
In effect from
May 4, 2007, 11:00 AM MST
Expired
May 4, 2007, 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.

000 
WWUS85 KTWC 032150
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
250 PM MST THU MAY 3 2007

...RED FLAG WARNING IN EFFECT FOR ALL OF SOUTHEAST ARIZONA
(GREENLEE...GRAHAM...COCHISE...SOUTHEAST PINAL...SANTA CRUZ AND
PIMA COUNTIES) FROM 11 AM MST UNTIL 8 PM MST FRIDAY FOR STRONG AND
GUSTY SOUTHWEST WINDS...LOW RELATIVE HUMIDITIES AND A HIGH FIRE
DANGER...

.A STRONG STORM SYSTEM WILL MOVE INTO THE GREAT BASIN ON FRIDAY...
RESULTING IN BREEZY TO WINDY CONDITIONS ACROSS ALL OF SOUTHEAST
ARIZONA. SUSTAINED 20 FOOT WIND SPEEDS WILL BE FROM THE SOUTHWEST
AT 15 TO 30 MPH WITH HIGHER GUSTS. RELATIVE HUMIDITY VALUES WILL
FALL INTO THE UPPER SINGLE DIGITS AND TEENS BY LATE MORNING...
CONTINUING THROUGH THE MID EVENING HOURS. THUS...A RED FLAG
WARNING HAS BEEN ISSUED FOR ALL OF SOUTHEAST ARIZONA FOR FRIDAY
(FIRE WEATHER ZONES 146...147 AND 148) FROM 11 AM MST UNTIL 8 PM
MST FOR STRONG AND GUSTY WINDS...LOW RELATIVE HUMIDITIES AND A
HIGH FIRE DANGER RATING.

AZZ146>148-041330-
/O.NEW.KTWC.FW.W.0009.070504T1800Z-070505T0300Z/
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-
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
250 PM MST THU MAY 3 2007

...RED FLAG WARNING IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 8 PM MST FRIDAY. 

A PACIFIC STORM SYSTEM WILL MOVE INTO UTAH ON FRIDAY...RESULTING
IN BREEZY TO WINDY CONDITIONS ACROSS ALL OF SOUTHEAST ARIZONA.
SUSTAINED 20 FOOT WIND SPEEDS WILL BE FROM THE SOUTHWEST AT 15 TO
30 MPH WITH HIGHER GUSTS. RELATIVE HUMIDITY VALUES ARE EXPECTED TO
FALL BELOW 15 PERCENT BY LATE FRIDAY MORNING IN MOST LOCATIONS...
WITH AFTERNOON RELATIVE HUMIDITY VALUES RANGING FROM 10 TO 15
PERCENT IN HIGHER ELEVATIONS WITH SINGLE DIGIT VALUES IN THE
VALLEYS. THESE FACTORS ALONG WITH A HIGH FIRE DANGER RATING OVER
SOUTHEAST ARIZONA HAVE WARRANTED THE ISSUANCE OF THIS RED FLAG
WARNING.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING ON FRIDAY FOR ALL OF SOUTHEAST
ARIZONA.

$$
3 follow-up statements
000 
WWUS85 KTWC 041039
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
339 AM MST FRI MAY 4 2007

...RED FLAG WARNING IN EFFECT FOR ALL OF SOUTHEAST ARIZONA
(GREENLEE...GRAHAM...COCHISE...SOUTHEAST PINAL...SANTA CRUZ AND
PIMA COUNTIES) FROM 11 AM MST THIS MORNING UNTIL 8 PM MST THIS
EVENING FOR STRONG AND GUSTY SOUTHWEST WINDS...LOW RELATIVE
HUMIDITIES AND A HIGH FIRE DANGER...

.A STRONG STORM SYSTEM MOVING INTO THE GREAT BASIN TODAY WILL RESULT
IN WINDY CONDITIONS ACROSS ALL OF SOUTHEAST ARIZONA. IN ADDITION
TO THE STRONG AND GUSTY WINDS...RELATIVE HUMIDITY VALUES ARE EXPECTED
TO FALL BELOW 15 PERCENT BY LATE MORNING...AND PERSIST INTO THE MID
EVENING HOURS. THEREFORE...A RED FLAG WARNING IS IN EFFECT FOR ALL
OF SOUTHEAST ARIZONA (FIRE WEATHER ZONES 146...147 AND 148) FROM
11 AM MST THIS MORNING UNTIL 8 PM MST THIS EVENING FOR STRONG AND
GUSTY WINDS...LOW RELATIVE HUMIDITIES AND A HIGH FIRE DANGER RATING.

AZZ146>148-050300-
/O.CON.KTWC.FW.W.0009.070504T1800Z-070505T0300Z/
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-
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
339 AM MST FRI MAY 4 2007

...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. 

A STRONG STORM SYSTEM MOVING INTO THE GREAT BASIN TODAY WILL RESULT
IN WINDY CONDITIONS ACROSS ALL OF SOUTHEAST ARIZONA. EXPECT SUSTAINED
20 FOOT WINDS FROM THE SOUTHWEST AT 15 TO 30 MPH...WITH GUSTS AS
HIGH AS 45 MPH POSSIBLE IN THE AFTERNOON. RELATIVE HUMIDITY VALUES
ARE EXPECTED TO FALL BELOW 15 PERCENT BY LATE MORNING IN MOST
LOCATIONS...WITH AFTERNOON RELATIVE HUMIDITY VALUES RANGING FROM
10 TO 15 PERCENT IN THE HIGHER ELEVATIONS AND SINGLE DIGIT VALUES
IN THE VALLEYS. THESE FACTORS COMBINED WITH A HIGH FIRE DANGER
RATING HAVE RESULTED IN THIS RED FLAG WARNING.

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 EXPLOSIVE FIRE GROWTH POTENTIAL.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE
FIELD OF THE RED FLAG WARNING TODAY FOR ALL OF SOUTHEAST ARIZONA.

$$
000 
WWUS85 KTWC 042159
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
259 PM MST FRI MAY 4 2007

...RED FLAG WARNING REMAINS IN EFFECT FOR ALL OF SOUTHEAST ARIZONA 
(GREENLEE...GRAHAM...COCHISE...SOUTHEAST PINAL...SANTA CRUZ AND
PIMA COUNTIES) UNTIL 8 PM MST THIS EVENING FOR STRONG AND GUSTY
SOUTHWEST WINDS...LOW RELATIVE HUMIDITIES AND A HIGH FIRE DANGER
RATING...

.A STRONG STORM SYSTEM MOVING INTO THE GREAT BASIN WILL CONTINUE
TO RESULT IN BREEZY TO WINDY CONDITIONS ACROSS ALL OF SOUTHEAST
ARIZONA INTO THE MID EVENING HOURS. IN ADDITION TO THE STRONG AND
GUSTY WINDS...HUMIDITY VALUES BELOW 15 PERCENT ARE EXPECTED TO
PERSIST INTO THE MID EVENING HOURS BEFORE SLOWLY STARTING TO
RECOVER. THEREFORE...A RED FLAG WARNING REMAINS IN EFFECT FOR ALL
OF SOUTHEAST ARIZONA (FIRE WEATHER ZONES 146...147 AND 148) UNTIL
8 PM MST THIS EVENING.

AZZ146>148-050300-
/O.CON.KTWC.FW.W.0009.000000T0000Z-070505T0300Z/
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-
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
259 PM MST FRI MAY 4 2007

...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.

A STRONG STORM SYSTEM MOVING INTO THE GREAT BASIN WILL RESULT IN
BREEZY TO WINDY CONDITIONS ACROSS ALL OF SOUTHEAST ARIZONA. EXPECT
SUSTAINED 20 FOOT WINDS FROM THE SOUTHWEST AT 15 TO 30 MPH...WITH
HIGHER GUSTS. RELATIVE HUMIDITY VALUES ARE EXPECTED TO REMAIN IN
THE SINGLE DIGITS TO MIDDLE TEENS THROUGH THROUGH THE MID EVENING
HOURS. THESE FACTORS COMBINED WITH A HIGH FIRE DANGER RATING HAVE
RESULTED IN THE CONTINUATION OF THE RED FLAG WARNING THROUGH 8 PM
MST THIS EVENING.

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS ARE
EITHER OCCURRING NOW...OR WILL SHORTLY. A COMBINATION OF STRONG
WINDS AND LOW RELATIVE HUMIDITY VALUES WILL CREATE EXPLOSIVE FIRE
GROWTH POTENTIAL.

PLEASE ADVISE THE APPROPRIATE OFFICIALS OR FIRE CREWS IN THE FIELD
OF THE CONTINUATION OF THE RED FLAG WARNING FOR ALL OF SOUTHEAST
ARIZONA THROUGH 8 PM MST THIS EVENING.

$$
000 
WWUS85 KTWC 050303
RFWTWC

RED FLAG WARNING
NATIONAL WEATHER SERVICE TUCSON AZ
803 PM MST FRI MAY 4 2007

AZZ146>148-050415-
/O.EXP.KTWC.FW.W.0009.000000T0000Z-070505T0300Z/
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-
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
803 PM MST FRI MAY 4 2007

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

THE RED FLAG WARNING EXPIRED AT 8 PM MST THIS EVENING. SURFACE
WIND SPEEDS HAVE DECREASED ACROSS SOUTHEAST ARIZONA THIS EVENING.
ALSO...RELATIVE HUMIDITY VALUES HAVE BEGUN TO RECOVER AND WILL
CONTINUE TO INCREASE THROUGH THE REMAINDER OF THE EVENING AND
OVERNIGHT HOURS.

$$

Nearby

Red Flag Warnings in Arizona, 2007Every red flag warning in 2007

Sources

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