Red Flag Warning
Issued by NWS Tucson, AZ

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378
WWUS85 KTWC 121006
RFWTWC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
306 AM MST Mon May 12 2025

AZZ150-130030-
/O.EXA.KTWC.FW.W.0013.250512T1900Z-250513T0200Z/
/O.CON.KTWC.FW.W.0014.250513T1700Z-250514T0300Z/
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O`odham Nation-Tucson Metropolitan area-TDC-
306 AM MST Mon May 12 2025

...RED FLAG WARNING IN EFFECT FROM NOON TODAY TO 7 PM MST THIS
EVENING FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH FIRE DANGER FOR EASTERN HALF OF FIRE WEATHER ZONE 150...

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST
TUESDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH FIRE DANGER FOR FIRE WEATHER ZONE 150...

The National Weather Service in Tucson has issued a Red Flag
Warning for strong and gusty winds, low relative humidity, and
high fire danger, which is in effect from noon today to 7 PM MST
this evening.

* AFFECTED AREA...Fire Weather Zone 150.

* TIMING...For the first Red Flag Warning, from noon today to 7
  PM MST this evening. For the second Red Flag Warning, from 10
  AM to 8 PM MST Tuesday.

* WINDS...Southwest 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...8 TO 13 percent.

* IMPACTS...Any fires that develop or are ongoing will have the
  potential to spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are expected to develop. A
combination of strong winds...low relative humidity...and dry
vegetation 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.

&&

$$

AZZ151>154-130030-
/O.CON.KTWC.FW.W.0013.250512T1900Z-250513T0200Z/
/O.CON.KTWC.FW.W.0014.250513T1700Z-250514T0300Z/
Arizona Fire Weather Zone 151
Western half Desert Grasslands FDRA including elevations up to
5500 feet in Southeast corner of Pinal County-
Extreme Eastern Pima County-Western third of Cochise County-
Santa Cruz County-TDC-Arizona Fire Weather Zone 152
Eastern half Desert Grasslands FDRA including elevations up to
5500 feet in Southwest Graham County and Eastern two thirds of
Cochise County-Southern San Carlos Reservation-
Southern Greenlee County below 5000 feet-TDC-
Arizona Fire Weather Zone 153
Northern Graham County-Northern Greenlee County-
White and Gila Mountains-Apache Sitgreaves NF-
Southern San Carlos Reservation above 5000 feet-SDC-
Arizona Fire Weather Zone 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
306 AM MST Mon May 12 2025

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TODAY TO 7 PM MST
THIS EVENING FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY,
AND HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND
154...

...RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM TO 8 PM MST
TUESDAY FOR STRONG AND GUSTY WINDS, LOW RELATIVE HUMIDITY, AND
HIGH FIRE DANGER FOR FIRE WEATHER ZONES 151, 152, 153, AND 154...

* AFFECTED AREA...Fire Weather Zones 151, 152, 153 and 154.

* TIMING...For the first Red Flag Warning, from noon today to 7
  PM MST this evening. For the second Red Flag Warning, from 10
  AM to 8 PM MST Tuesday.

* WINDS...Southwest 20 to 30 mph with gusts up to 45 mph.

* RELATIVE HUMIDITY...9 TO 14 percent.

* IMPACTS...Any fires that develop or are ongoing will have the
  potential to spread rapidly.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now...or are expected to develop. A
combination of strong winds...low relative humidity...and dry
vegetation 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.

&&

$$

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