Alert archive / Arizona / Red Flag Warnings in 2009

Red Flag Warning 2, NWS Tucson, AZ

March 6, 2009

NWS Tucson, AZ issued this red flag warning at Mar 6, 2009, 3:52 AM MST. It took effect at Mar 6, 2009, 11:00 AM MST. It was in force for 8 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
Mar 6, 2009, 3:52 AM MST (10:52 UTC)
In effect from
Mar 6, 2009, 11:00 AM MST
Expired
Mar 6, 2009, 6:56 PM MST
In force
8 hr
Issued by
NWS Tucson, AZ

The text

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

000 
WWUS85 KTWC 061052
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
352 AM MST FRI MAR 6 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM MST THIS MORNING TO 7 PM
MST THIS EVENING FOR SOUTHEAST PINAL...EASTERN PIMA...COCHISE...
SANTA CRUZ...SOUTHERN GREENLEE AND SOUTHERN AND CENTRAL PORTIONS
OF GRAHAM COUNTIES FOR LOW RELATIVE HUMIDITIES...STRONG WINDS AND
A HIGH TO VERY HIGH FIRE DANGER...

AZZ148-061800-
/O.UPG.KTWC.FW.A.0001.090306T2000Z-090307T0200Z/
/O.NEW.KTWC.FW.W.0002.090306T1800Z-090307T0200Z/
ARIZONA FIRE WEATHER ZONE 148
GRAHAM COUNTY SOUTH OF GILA RIVER-TUCSON/MARANA/GREEN
VALLEY-SANTA CRUZ-COCHISE COUNTY-CORONADO NF/
SAFFORD BLM/TDC-
352 AM MST FRI MAR 6 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST
THIS EVENING. THE FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

STRONG LOW PRESSURE WILL MOVE ACROSS THE GREAT BASIN AND PASS
JUST NORTH OF THE FOUR CORNERS TODAY. THE RESULT WILL BE STRONG
AND GUSTY WINDS ACROSS PORTIONS OF SOUTHEAST ARIZONA. 
SOUTHWESTERLY FLOW WILL INCREASE BY THE LATE MORNING HOURS WITH 
SUSTAINED 20 FOOT SOUTHWEST WINDS OF 20 TO 25 MPH AND GUSTS TO 
AROUND 35 MPH. RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT
IN MANY LOCATIONS. THE LOW RELATIVE HUMIDITIES WILL COMBINE WITH
THE STRONG WINDS TO PRODUCE 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 TODAY FOR PORTIONS OF SOUTHEAST
ARIZONA...INCLUDING ALL OF FIRE WEATHER ZONE 148.

&&

$$

AZZ146-147-061800-
/O.NEW.KTWC.FW.W.0002.090306T1800Z-090307T0200Z/
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-
352 AM MST FRI MAR 6 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST
THIS EVENING...

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 7 PM MST
THIS EVENING. 

THE RED FLAG WARNING WILL BE IN EFFECT FOR EASTERN PORTIONS OF
SOUTHEAST PINAL COUNTY IN FIRE WEATHER ZONE 147 AND CENTRAL
PORTIONS OF GRAHAM COUNTY IN FIRE WEATHER ZONE 146. 

STRONG LOW PRESSURE WILL MOVE ACROSS THE GREAT BASIN AND PASS
JUST NORTH OF THE FOUR CORNERS TODAY. THE RESULT WILL BE STRONG
AND GUSTY WINDS ACROSS PORTIONS OF SOUTHEAST ARIZONA. 
SOUTHWESTERLY FLOW WILL INCREASE BY THE LATE MORNING HOURS WITH 
SUSTAINED 20 FOOT SOUTHWEST WINDS OF 20 TO 25 MPH AND GUSTS TO 
AROUND 35 MPH. RELATIVE HUMIDITY VALUES WILL DROP BELOW 15 PERCENT
IN MANY LOCATIONS. THE LOW RELATIVE HUMIDITIES WILL COMBINE WITH
THE STRONG WINDS TO PRODUCE 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 TODAY FOR PORTIONS OF SOUTHEAST
ARIZONA...INCLUDING NORTHEASTERN PORTION OF FIRE WEATHER ZONE 147 
AND SOUTHERN PORTIONS OF FIRE WEATHER ZONE 146.

&&

$$
3 follow-up statements
000 
WWUS85 KTWC 061643
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
943 AM MST FRI MAR 6 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM MST THIS MORNING TO 7 PM
MST THIS EVENING FOR SOUTHEAST PINAL...EASTERN PIMA...COCHISE...
SANTA CRUZ...SOUTHERN GREENLEE AND SOUTHERN AND CENTRAL PORTIONS
OF GRAHAM COUNTIES FOR LOW RELATIVE HUMIDITIES...STRONG WINDS AND
A HIGH TO VERY HIGH FIRE DANGER...

AZZ146>148-070200-
/O.CON.KTWC.FW.W.0002.090306T1800Z-090307T0200Z/
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-
943 AM MST FRI MAR 6 2009

...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.

A STRONG LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT BASIN WILL
RESULT IN STRONG AND GUSTY WINDS ACROSS THE MAJORITY OF SOUTHEAST
ARIZONA TODAY. SOUTHWEST WINDS WILL INCREASE BY THE LATE MORNING
HOURS...WITH SUSTAINED 20 FOOT SOUTHWEST WINDS OF 20 TO 25 MPH
WITH OCCASIONAL GUSTS TO AROUND 35 MPH EXPECTED.

ALTHOUGH RELATIVE HUMIDITY VALUES ARE STILL EXPECTED TO DROP BELOW
15 PERCENT IN MANY LOCATIONS TODAY...SIGNIFICANT HIGH AND MID
LEVEL MOISTURE ACROSS THE AREA WILL CONTINUE TO MOISTEN THE
ATMOSPHERE FROM THE TOP DOWN TO THE SURFACE. THEREFORE...RELATIVE
HUMIDITY VALUES ARE EXPECTED TO BE THE LIMITING CRITERIA FOR RED
FLAG CONDITIONS TODAY. 

DESPITE THE SLOWLY INCREASING MOISTURE...LOW RELATIVE HUMIDITIES
WILL COMBINE WITH THE STRONG WINDS TO PRODUCE CRITICAL FIRE
WEATHER CONDITIONS TODAY...ESPECIALLY FOR SOUTHEAST PINAL...
EASTERN PIMA...COCHISE...SANTA CRUZ...SOUTHERN GREENLEE AND
SOUTHERN AND CENTRAL PORTIONS OF GRAHAM COUNTIES.

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 TODAY FOR SOUTHEAST ARIZONA.

&&

$$
000 
WWUS85 KTWC 062139
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
239 PM MST FRI MAR 6 2009

...RED FLAG WARNING IN EFFECT UNTIL 7 PM MST THIS EVENING FOR
SOUTHEAST PINAL...EASTERN PIMA...COCHISE...SANTA CRUZ...SOUTHERN
GREENLEE AND SOUTHERN AND CENTRAL PORTIONS OF GRAHAM COUNTIES FOR
LOW RELATIVE HUMIDITIES...STRONG WINDS AND A HIGH TO VERY HIGH
FIRE DANGER...

AZZ146>148-070200-
/O.CON.KTWC.FW.W.0002.000000T0000Z-090307T0200Z/
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-
239 PM MST FRI MAR 6 2009

...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.

A STRONG LOW PRESSURE SYSTEM MOVING THROUGH THE GREAT BASIN WILL
RESULT IN STRONG AND GUSTY WINDS ACROSS SOUTHEAST ARIZONA TODAY
AND SATURDAY. SUSTAINED 20 FOOT SOUTHWEST WINDS OF 20 TO 25 MPH
WITH OCCASIONAL GUSTS TO AROUND 40 MPH EARLY THIS EVENING WILL
QUICKLY TAPER OFF AROUND SUNSET...BECOMING 5 TO 15 MPH AFTER
MIDNIGHT. RELATIVE HUMIDITY VALUES HAVE STRUGGLED TO DIP BELOW THE
CRITICAL 15 PERCENT THRESHOLD IN THE HIGHER ELEVATIONS...WITH A
FEW VALLEY LOCATIONS MANAGING TO DIP INTO THE LOWER TEENS.
SIGNIFICANT HIGH AND MID LEVEL MOISTURE ACROSS THE AREA HAS BEEN
THE REASON FOR THE HUMIDITY VALUES TO DIP BELOW 15 PERCENT
TODAY...AS THE ATMOSPHERE CONTINUES TO MOISTEN FROM THE TOP DOWN
TO THE SURFACE. ALTHOUGH BORDERLINE RED FLAG CONDITIONS
EXIST...THE RED FLAG WARNING WILL REMAIN IN EFFECT UNTIL 7 PM MST
THIS EVENING.

STRONG AND GUSTY WINDS ARE EXPECTED AGAIN SATURDAY WITH NEAR RED
FLAG CONDITIONS POSSIBLE ACROSS EASTERN PORTIONS OF FIRE WEATHER
ZONE 148. HOWEVER...THESE CONDITIONS ARE NOT EXPECTED TO BE
WIDESPREAD OR LONG ENOUGH IN DURATION TO WARRANT ANY RED FLAG
WARNING CONSIDERATIONS AT THIS TIME.

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 TODAY FOR SOUTHEAST ARIZONA.

&&

$$
000 
WWUS85 KTWC 070156
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
656 PM MST FRI MAR 6 2009

AZZ146>148-070300-
/O.CAN.KTWC.FW.W.0002.000000T0000Z-090307T0200Z/
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-
656 PM MST FRI MAR 6 2009

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

SUSTAINED 20-FOOT WINDS OUT OF THE SOUTHWEST HAVE TAPERED OFF THIS
EVENING AND RELATIVE HUMIDITY VALUES ARE GREATER THAN 15 PERCENT. THE
RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE AT 7 PM MST.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 6, 3:12 AM MSTWind AdvisoryTWC16 hr

Nearby

Red Flag Warnings in Arizona, 2009Every red flag warning in 2009

Sources

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