Alert archive / Arizona / Red Flag Warnings in 2011

Red Flag Warning 7, NWS Tucson, AZ

April 2, 2011

NWS Tucson, AZ issued this red flag warning at Apr 2, 2011, 2:05 PM MST. It took effect at Apr 3, 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
Apr 2, 2011, 2:05 PM MST (21:05 UTC)
In effect from
Apr 3, 2011, 12:00 PM MST
Expired
Apr 3, 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.

781 
WWUS85 KTWC 022105
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
205 PM MST SAT APR 2 2011

...RED FLAG WARNING IN EFFECT FROM NOON MST SUNDAY THROUGH
7 PM MST SUNDAY EVENING FOR GREENLEE...GRAHAM...COCHISE...
SOUTHEAST AND SOUTH CENTRAL PINAL...SANTA CRUZ...AND EASTERN PIMA
COUNTIES BELOW 5000 FEET DUE TO THE POTENTIAL FOR STRONG AND GUSTY
WINDS... LOW RELATIVE HUMIDITIES...AND A HIGH TO VERY HIGH FIRE
DANGER RATING...

AZZ146>148-031315-
/O.UPG.KTWC.FW.A.0005.110403T1900Z-110404T0200Z/
/O.NEW.KTWC.FW.W.0007.110403T1900Z-110404T0200Z/
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-
205 PM MST SAT APR 2 2011

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

THE NATIONAL WEATHER SERVICE IN TUCSON HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM NOON TO 7 PM MST SUNDAY. THE
FIRE WEATHER WATCH IS NO LONGER IN EFFECT. 

* AFFECTED AREA...THE RED FLAG WARNING IS IN EFFECT FOR 
  GREENLEE...GRAHAM...COCHISE...SOUTHEAST AND SOUTH CENTRAL 
  PINAL...SANTA CRUZ...AND EASTERN PIMA COUNTIES BELOW 5000 
  FEET. 

* TIMING...WINDS WILL BECOME STRONG AND GUSTY BY NOON ON SUNDAY
  AND WILL CONTINUE BEFORE DIMINISHING AFTER 7 PM MST SUNDAY
  EVENING.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST TO WEST WINDS OF 15 TO 30
  MPH WITH GUSTS UP TO 40 MPH ARE EXPECTED.

* RELATIVE HUMIDITY...THE MINIMUM RELATIVE HUMIDITIES ARE FORECAST
  TO RANGE FROM SINGLE DIGITS TO THE LOWER TEENS.

* IMPACTS...THE STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL 
  COMBINE WITH DRY FUELS TO CREATE 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.

&&

$$
3 follow-up statements
006 
WWUS85 KTWC 031325
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
625 AM MST SUN APR 3 2011

...RED FLAG WARNING IN EFFECT FROM NOON MST TODAY THROUGH 7 PM MST
THIS EVENING FOR GREENLEE...GRAHAM...COCHISE...SOUTHEAST AND SOUTH
CENTRAL PINAL...SANTA CRUZ...AND EASTERN PIMA COUNTIES BELOW 5000
FEET DUE TO THE POTENTIAL FOR STRONG AND GUSTY WINDS...LOW RELATIVE
HUMIDITIES...AND A HIGH TO VERY HIGH FIRE DANGER RATING...

AZZ146>148-032130-
/O.CON.KTWC.FW.W.0007.110403T1900Z-110404T0200Z/
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-
625 AM MST SUN APR 3 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 IN EFFECT FOR
  GREENLEE...GRAHAM...COCHISE...SOUTHEAST AND SOUTH CENTRAL
  PINAL...SANTA CRUZ...AND EASTERN PIMA COUNTIES BELOW 5000 FEET. 

* TIMING...WINDS WILL BECOME STRONG AND GUSTY BY NOON TODAY AND
  WILL CONTINUE BEFORE DIMINISHING AFTER 7 PM MST THIS EVENING.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST TO WEST WINDS OF 15 TO 30
  MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED. THE STRONGEST GUSTS
  LIKELY WILL BE ACROSS COCHISE COUNTY.

* RELATIVE HUMIDITY...THE MINIMUM RELATIVE HUMIDITIES ARE FORECAST
  TO RANGE FROM THE SINGLE DIGITS TO THE LOWER TEENS.

* IMPACTS...THE STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL COMBINE
  WITH DRY FUELS TO CREATE 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
090 
WWUS85 KTWC 032124
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
224 PM MST SUN APR 3 2011

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 7 PM MST THIS EVENING
FOR GREENLEE...GRAHAM...COCHISE...SOUTHEAST AND SOUTH CENTRAL
PINAL...SANTA CRUZ...AND EASTERN PIMA COUNTIES BELOW 5000 FEET DUE
TO THE POTENTIAL FOR STRONG AND GUSTY WINDS... LOW RELATIVE
HUMIDITIES...AND A HIGH TO VERY HIGH FIRE DANGER RATING...

AZZ146>148-040200-
/O.CON.KTWC.FW.W.0007.000000T0000Z-110404T0200Z/
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-
224 PM MST SUN APR 3 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 
  GREENLEE...GRAHAM...COCHISE...SOUTHEAST AND SOUTH CENTRAL 
  PINAL...SANTA CRUZ...AND EASTERN PIMA COUNTIES BELOW 5000 
  FEET. 

* TIMING...WINDS WILL REMAIN STRONG AND GUSTY BEFORE DIMINISHING
  AFTER 7 PM MST THIS EVENING.

* WINDS...SUSTAINED 20-FOOT SOUTHWEST TO WEST WINDS OF 15 TO 30
  MPH WITH GUSTS UP TO 45 MPH ARE EXPECTED. THE STRONGEST OBSERVED GUSTS
  HAVE BEEN MOSTLY IN COCHISE COUNTY.

* RELATIVE HUMIDITY...RELATIVE HUMIDITIES CURRENTLY RANGE
  FROM THE SINGLE DIGITS TO THE LOWER TEENS.

* IMPACTS...THE STRONG WINDS AND LOW RELATIVE HUMIDITIES WILL 
  COMBINE WITH DRY FUELS TO CREATE 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.

&&

$$
451 
WWUS85 KTWC 040203
RFWTWC

URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TUCSON AZ
703 PM MST SUN APR 3 2011

AZZ146>148-040315-
/O.EXP.KTWC.FW.W.0007.000000T0000Z-110404T0200Z/
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-
703 PM MST SUN APR 3 2011

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT. 

ALTHOUGH WINDS REMAIN GUSTY THIS EVENING...THE WINDS ARE NOW
GRADUALLY SUBSIDING ACROSS SOUTHEAST ARIZONA. IN
ADDITION...RELATIVE HUMIDITY VALUES WILL BE RISING THROUGH THE
EVENING HOURS.

SINCE BOTH RELATIVE HUMIDITY VALUES AND WIND SPEEDS ARE NO 
LONGER WITHIN CRITICAL THRESHOLDS ACROSS A MAJORITY OF THE
AREA...THE RED FLAG WARNING HAS BEEN ALLOWED TO EXPIRE.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 2, 2:19 PM MSTWind AdvisoryTWCCochise, Graham, Greenlee, Pima, Pinal, Santa Cruz29 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.