Tuesday, June 15, 2010

[californiadisasters] Red Flag Warning-SoCal HiDesert (6/15/10-AM)



...A STRONG LOW PRESSURE SYSTEM WILL MOVE ACROSS NORTHERN NEVADA
WEDNESDAY BRINGING STRONG SOUTHWEST WINDS COMBINED WITH LOW
RELATIVE HUMIDITY WEDNESDAY MORNING THROUGH WEDNESDAY EVENING...

AZZ102-CAZ227-228-NVZ461>465-152230-
/O.UPG.KVEF.FW.A.0007.100616T1800Z-100617T0500Z/
/O.NEW.KVEF.FW.W.0006.100616T1800Z-100617T0500Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-DEATH VALLEY NATIONAL PARK-
MOJAVE DESERT INCLUDING MORONGO VALLEY/YUCCA VALLEY-

<SNIP>

454 AM PDT TUE JUN 15 2010 /454 AM MST TUE JUN 15 2010/

...RED FLAG WARNING IN EFFECT FROM 11 AM PDT /11 AM MST/ TO 10 PM
PDT /10 PM MST/ WEDNESDAY...

THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 11 AM TO 10 PM WEDNESDAY FOR
SOUTHERN NEVADA...NORTHWEST ARIZONA AND THE MOJAVE DESERT OF
SOUTHEAST CALIFORNIA. THIS REPLACES THE FIRE WEATHER WATCH
PREVIOUSLY IN EFFECT.

GUSTY SOUTHWEST WINDS ARE EXPECTED TO DEVELOP LATE WEDNESDAY
MORNING AND CONTINUE THROUGH WEDNESDAY EVENING ACROSS SOUTHERN
NEVADA...NORTHWEST ARIZONA AND THE MOJAVE DESERT OF SOUTHEAST
CALIFORNIA. WINDS SPEEDS BETWEEN 20 AND 30 MPH WITH GUSTS OF 35
TO 45 MPH WILL OCCUR WITHIN THE WARNING AREA. THESE GUSTY WINDS
WILL COMBINE WITH RELATIVE HUMIDITY VALUES IN THE SINGLE DIGITS AT
ELEVATIONS BELOW 5000 FEET AND 10 TO 15 PERCENT AT HIGHER
ELEVATIONS. WINDS WILL BEGIN TO SHIFT AND BECOME NORTHWEST ACROSS
SOUTH CENTRAL NEVADA LATE WEDNESDAY AFTERNOON THROUGH EARLY
EVENING BEHIND A COLD FRONT. NORTHWEST TO NORTH WINDS GUSTING
BETWEEN 35 AND 45 MPH WILL CONTINUE AS THE FRONT PUSHES DOWN
THROUGH SOUTHERN NEVADA BY LATE WEDNESDAY EVENING. NORTH WINDS
SHOULD DECREASE TO LESS THAN 30 MPH AFTER 10 PM AND RELATIVE
HUMIDITY VALUES WILL RECOVER ABOVE 20 PERCENT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE IMMINENT. A COMBINATION OF STRONG WINDS...LOW RELATIVE
HUMIDITY...AND WARM TEMPERATURES WILL CREATE EXTREME FIRE GROWTH
POTENTIAL.
Source: http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=psr&wwa=red%20flag%20warning

--
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