Wednesday, October 28, 2009

National Fire Weather, red flag warnings in SE CA & SW AZ

With the fall Santa Anna wind season underway in southern California, and knowing that the area had been under red flag warnings in recent days, I was curious to find one national fire weather page where I could go and see fire weather watches and red flag warnings for the entire country. I found the National Fire Weather page, and have bookmarked it. In today's map (the map you see will be differ depending on that day's fire weather) there is a red flag warning for portions of southeastern California and southwestern Arizona:

FNUS55 KPSR 281153
FWFPSR

FIRE WEATHER PLANNING FORECAST FOR SOUTHWEST AND SOUTH-CENTRAL
ARIZONA AND SOUTHEAST CALIFORNIA
NATIONAL WEATHER SERVICE PHOENIX AZ
453 AM MST WED OCT 28 2009

...RED FLAG WARNING IN EFFECT FROM 11 AM MST/11 AM PDT THIS MORNING
TO 5 PM MST/5 PM PDT THIS AFTERNOON FOR SOUTHEAST CALIFORNIA AND
SOUTHWEST ARIZONA DUE TO STRONG WINDS...LOW RH VALUES AND A HIGH FIRE
DANGER...

.DISCUSSION...
BREEZY TO WINDY CONDITIONS WILL CONTINUE TODAY IN THE WAKE OF A VERY
STRONG LOW PRESSURE SYSTEM. RELATIVE HUMIDITY VALUES WILL DROP INTO
THE LOWER TEENS THIS AFTERNOON...WHICH COMBINED WITH THE WINDS WILL
POSE A FIRE DANGER ESPECIALLY ACROSS SOUTHEAST CALIFORNIA AND
SOUTHWEST ARIZONA. WINDS WILL DECREASE LATER TONIGHT AND INTO
THURSDAY THOUGH THE LOW RELATIVE HUMIDITY VALUES WILL REMAIN.
TEMPERATURES WILL BE WELL BELOW NORMAL THROUGH THURSDAY.

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