RED FLAG WARNING - IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-

[EDIS] Red flag warning remains in effect from 10 am mst /10 am pdt/ this morning to 8 pm mst /8 pm pdt/ this evening for southeast california... the lower colorado river valley and the southwest and south-central deserts of arizona due to strong gusty winds... low relative humidities and high fire danger

-CALIFORNIA FIRE WEATHER ZONE 230JOSHUA TREE NATIONAL PARK-CALIFORNIA FIRE WEATHER ZONE 231LOWER COLORADO RIVER VALLEY CA-CALIFORNIA FIRE WEATHER ZONE 232IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-

A RED FLAG WARNING REMAINS IN EFFECT FROM 10 AM MST /10 AM PDT/ THIS MORNING TO 8 PM MST /8 PM PDT/ THIS EVENING. THE WARNING IS IN EFFECT FOR SOUTHEAST CALIFORNIA...INCLUDING JOSHUA TREE NATIONAL PARK... AS WELL AS THE LOWER COLORADO RIVER VALLEY AND THE SOUTHWEST AND SOUTH-CENTRAL DESERTS OF ARIZONA. A STRONG COLD UPPER LEVEL LOW PRESSURE SYSTEM WILL MOVE THROUGH SOUTHERN CALIFORNIA AND PORTIONS OF ARIZONA TODAY. THIS WILL CAUSE WINDS TO INCREASE TO 15 TO 30 MPH WITH GUSTS TO NEAR 45 MPH ACROSS PORTIONS OF SOUTHEAST CALIFORNIA AND THE LOWER COLORADO RIVER VALLEY. IN ADDITION... A VERY DRY AIRMASS WILL OVERSPREAD THE AREA... RESULTING IN MINIMUM RELATIVE HUMIDITY VALUES FALLING TO NEAR 10 PERCENT. THE STRONG WINDS AND LOW RELATIVE HUMIDITY VALUES WILL COMBINE TO CREATE HAZARDOUS FIRE WEATHER CONDITIONS DURING THE AFTERNOON AND EARLY EVENING HOURS TODAY.

Instruction:
PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE FIELD OF THIS RED FLAG WARNING.

Area: ARIZONA FIRE WEATHER ZONE 131YUMA/MARTINEZ LAKE AND VICINITY/LOWER COLORADO RIVER VALLEY AZ-ARIZONA FIRE WEATHER ZONE 132SOUTH-CENTRAL AND SOUTHWEST DESERTS-CALIFORNIA FIRE WEATHER ZONE 230JOSHUA TREE NATIONAL PARK-CALIFORNIA FIRE WEATHER ZONE 231LOWER COLORADO RIVER VALLEY CA-CALIFORNIA FIRE WEATHER ZONE 232IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-

Affected Counties or parts of: Riverside, Imperial,

Sent: 2007-10-05T03:09:03-07:00

From: NATIONAL WEATHER SERVICE PHOENIX AZ