Red Flag Warning 8, NWS Tucson, AZ

Issued

Mar 31, 2021, 2:23 PM MST (21:23 UTC)

In effect from

Apr 1, 2021, 9:00 AM MST

Expired

Apr 1, 2021, 6:00 PM MST

In force

9 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 21:26 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.

102 
WWUS85 KTWC 312123
RFWTWC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
223 PM MST Wed Mar 31 2021

AZZ150>154-011100-
/O.NEW.KTWC.FW.W.0008.210401T1600Z-210402T0100Z/
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O'odham Nation-Tucson Metropolitan area-TDC-
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-
223 PM MST Wed Mar 31 2021

...RED FLAG WARNING IN EFFECT FROM 9 AM TO 6 PM MST THURSDAY FOR
STRONG WINDS, LOW HUMIDITY AND A HIGH FIRE DANGER RATING FOR
PORTIONS OF FIRE WEATHER ZONES 150, 151, 152, 153, AND 154...

The National Weather Service in Tucson has issued a Red Flag
Warning, which is in effect from 9 AM to 6 PM MST Thursday. 

* AFFECTED AREA...Western fire weather zone 150, as well as
  northern 151, 152 and 154. This includes eastern portions of
  Pima and Pinal counties along with most of Graham county.
 
* TIMING...9 AM to 6 PM MST Thursday.

* WINDS...Easterly to southeasterly winds of 15 to 25 mph with
  gusts to 35 mph.

* RELATIVE HUMIDITY...Minimum RH values in single digits to lower
  teens.

* 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

395 
WWUS85 KTWC 010955
RFWTWC

URGENT - FIRE WEATHER MESSAGE
National Weather Service Tucson AZ
255 AM MST Thu Apr 1 2021

AZZ150>154-020100-
/O.CON.KTWC.FW.W.0008.210401T1600Z-210402T0100Z/
Arizona Fire Weather Zone 150
Sonoran FDRA-Most of Pima County-South Central Pinal County-
Tohono O'odham Nation-Tucson Metropolitan area-TDC-
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-
255 AM MST Thu Apr 1 2021

...RED FLAG WARNING REMAINS IN EFFECT FROM 9 AM THIS MORNING TO
6 PM MST THIS EVENING FOR STRONG WINDS, LOW HUMIDITY AND A VERY 
HIGH TO EXTREME HIGH FIRE DANGER RATING FOR PORTIONS OF FIRE 
WEATHER ZONES 150, 151, 152, 153, AND 154...

* AFFECTED AREA...Western fire weather zone 150, as well as 
  northern 151, 152 and 154. This includes eastern portions of 
  Pima and Pinal counties along with most of Graham county. 

* TIMING...9 AM to 6 PM MST Thursday.

* WINDS...Easterly to southeasterly winds of 15 to 25 mph with 
  gusts to 35 mph.

* RELATIVE HUMIDITY...Minimum RH values in the single digits to 
  the lower teens. 

* 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.