NWS Fire Weather

Central Alabama Fire Weather Support


 

Red Flag Criteria


RED FLAG
Event

Cool Season Criteria
Nov. 1 – Apr. 30
Warm Season Criteria
May 1 – Oct. 31

RH < 25% for 4 or more consecutive hours;  OR

RH < = 30% with 20 ft winds >= 10 mph for 4 or more consecutive hours;   AND 
RH < 25% with sustained 20 ft winds of 20 mph
or higher (no time restrictions)
KBDI >= 500 **

* **If a county is under a Fire Alert, the KBDI criteria is suspended.

 

Red Flag Warnings/Fire Weather Watches
Click on Map Location for Text Product
 


Click on an area to view the Red Flag Warnings/Watches.

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