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UPDATED: Red Flag Warning flies through 8 p.m. Monday

Fire danger critical in the SCV for a week

Posted: October 21, 2008 10:20 p.m.
Updated: December 27, 2008 5:00 a.m.

UPDATED 11:15 p.m. Sunday:
The current Red Flag Warning has been extended again, through 8 p.m. Monday, a week after the original warning was issued, according to today's National Weather Service update.

Humidity in single-digits and temperatures in the low 90s are expected Monday in the Santa Clarita Valley, moderating to the mid-90s later in the week.

The service again blames the warm, dry air mass parked in the atmosphere over Southern California since last Monday.

County fire officials and crews remain on alert as long as the danger remains critical.

UPDATED 11:25 p.m. Saturday:
The current Red Flag Warning is still scheduled to end 8 p.m. Sunday, as low humidity persists.

UPDATED 9:20 p.m. Friday:
As forewarned yesterday, the Red Flag Warning issued Monday has been extended again, through 8 p.m. Sunday.

The National Weather Service blames the extension on continued single-digit humidity.

UPDATED 9:25 p.m. Thursday:
The current Red Flag Warning may be extended again, past 11 p.m. Saturday, according to a National Weather Service update this afternoon.

A warm, dry air mass remains parked over Southern California. The offshore winds will continue to diminish, but single-digit humidity and temperatures in the uppper 80s will continue across interior sections including the Santa Clarita Valley through Monday.

This "may require the extension of this Red Flag Warning for portions of the Southland" past Saturday night, the service reports.

A Red Flag Warning means critical fire weather conditions exist. A combination of low relative humidity, very warm temperatures, high winds and dry brush will create "explosve fire growth potential," according to the update.

UPDATED 10:30 p.m. Wednesday:
Critical fire weather conditions prompted the National Weather Service to issue a Red Flag Warning late Monday night in coastal mountains and valleys including the Santa Clarita Valley.

The Red Flag Warning has been extended to 11 p.m. Saturday, in effect longer because low humidity and high temperatures will linger until then. 

The service calls for breezy-to-gusting northeast winds from 15 mph-45 mph, low relative humidity between 7 percent and 15 percent, and high daytime temperatures in the 90s through Friday.

A wind advisory has also been extended to midnight Thursday. Sustained winds of 25 mph-35 mph and local gusts to 50 mph will continue below passes and canyons but diminish late Thursday.

The service advises drivers of high-profile vehicles to drive cautiously.

The service issued the warnings as a ridge of high pressure persists off the California coast, bringing a "moderate warm Santa Ana" to Southern California.


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