Red Flag Warning 7, NWS Tucson, AZ

Issued

Mar 29, 2021, 1:58 PM MST (20:58 UTC)

In effect from

Mar 30, 2021, 12:00 PM MST

Expired

Mar 30, 2021, 7:00 PM MST

In force

7 hr

Issued by

NWS Tucson, AZ

Counties Cochise County, AZ, Graham County, AZ, Greenlee County, AZ, Pima County, AZ, Pinal County, AZ, Santa Cruz County, AZ

The Tucson radar (KEMX), 61 km from the middle of the area, began a volume at 21:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

414 
WWUS85 KTWC 292058
RFWTWC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
158 PM MST Mon Mar 29 2021

AZZ151-152-154-301200-
/O.UPG.KTWC.FW.A.0005.210330T1900Z-210331T0200Z/
/O.NEW.KTWC.FW.W.0007.210330T1900Z-210331T0200Z/
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 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
158 PM MST Mon Mar 29 2021

...RED FLAG WARNING IN EFFECT FROM NOON TO 7 PM MST TUESDAY FOR
STRONG WINDS, LOW HUMIDITY AND A HIGH FIRE DANGER RATING FOR
PORTIONS OF FIRE WEATHER ZONES 151, 152, AND 154...

The National Weather Service in Tucson has issued a Red Flag
Warning, which is in effect from noon to 7 PM MST Tuesday. The
Fire Weather Watch is no longer in effect. 

* AFFECTED AREA...The eastern half of fire weather zone 151, most
  of fire weather zone 152 and the eastern mountain ranges of 
  fire weather zone 154.

* TIMING...Noon MST through 7 PM MST Tuesday.

* WINDS...Westerly winds of 15 to 25 mph with gusts to 35-40 mph.

* RELATIVE HUMIDITY...Minimum humidity values ranging from 6 to 10
  percent during the afternoon in lower elevations and between 8 
  and 14 percent in the mountains. 

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

* FOR A DETAILED VIEW OF THE HAZARD AREA...Visit
  weather.gov/Tucson and click on the Detailed Hazards Icon.

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.

&&

$$

Zell

Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson

674 
WWUS85 KTWC 300952
RFWTWC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
252 AM MST Tue Mar 30 2021

AZZ151-152-154-310000-
/O.CON.KTWC.FW.W.0007.210330T1900Z-210331T0200Z/
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 154
Forest Woodlands FDRA including the Sky Islands of Southeast
Arizona above 5500 feet-Coronado NF-TDC-
252 AM MST Tue Mar 30 2021

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

* AFFECTED AREA...The eastern half of fire weather zone 151, 
  mostof fire weather zone 152 and the eastern mountain ranges 
  of fire weather zone 154. 

* TIMING...Noon MST through 7 PM MST today.

* WINDS...Westerly winds of 15 to 25 mph with gusts to 35-40 
  mph.

* RELATIVE HUMIDITY...Minimum humidity values ranging from 6 to
  10 percent during the afternoon in lower elevations and 
  between 8 and 14 percent in the mountains. 

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

* FOR A DETAILED VIEW OF THE HAZARD AREA...Visit 
  weather.gov/Tucson and click on the Detailed Hazards Icon.

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.

&&

$$

Visit us on Facebook...Twitter...YouTube...and at weather.gov/Tucson

Red Flag Warnings in Arizona, 2021Every red flag warning in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.