URGENT - FIRE WEATHER MESSAGE
NATIONAL WEATHER SERVICE PHOENIX AZ
242 PM MST SAT MAY 8 2010
AZZ131-132-CAZ230>232-090945-
/O.UPG.KPSR.FW.A.0004.100509T2000Z-100510T0600Z/
/O.NEW.KPSR.FW.W.0005.100509T2000Z-100510T0600Z/
SOUTH-CENTRAL AND SOUTHWEST DESERTS-
CALIFORNIA FIRE WEATHER ZONE 230
JOSHUA TREE NATIONAL PARK-
CALIFORNIA FIRE WEATHER ZONE 231
LOWER COLORADO RIVER VALLEY CA-
CALIFORNIA FIRE WEATHER ZONE 232
IMPERIAL COUNTY AND EASTERN RIVERSIDE COUNTY-
242 PM MST SAT MAY 8 2010 /242 PM PDT SAT MAY 8 2010/
...RED FLAG WARNING IN EFFECT FROM 1 PM MST /1 PM PDT/ TO 11 PM
MST /11 PM PDT/ SUNDAY FOR SOUTHEASTERN CALIFORNIA...THE LOWER
COLORADO RIVER VALLEY...AND SOUTHWEST AND SOUTH-CENTRAL ARIZONA DUE TO
STRONG SOUTHWEST TO WEST WINDS...LOW RELATIVE HUMIDITY...AND HIGH TO
VERY HIGH FIRE DANGER...
THE NATIONAL WEATHER SERVICE IN PHOENIX HAS ISSUED A RED FLAG
WARNING...WHICH IS IN EFFECT FROM 1 PM MST /1 PM PDT/ TO 11 PM
MST /11 PM PDT/ SUNDAY. THE FIRE WEATHER WATCH HAS BEEN UPGRADED.
SOUTHWEST WINDS ARE EXPECTED TO STRENGTHEN SUNDAY AFTERNOON AND
EVENING AS A LOW PRESSURE SYSTEM APPROACHES FROM THE WEST.
SUSTAINED 25 TO 30 MPH WINDS...WITH PEAK GUSTS IN EXCESS OF
40 MPH...ARE ANTICIPATED OVER MUCH OF FAR SOUTHEAST CALIFORNIA AND
SOUTHWEST AND SOUTH-CENTRAL ARIZONA DURING THE LATE AFTERNOON AND
EARLY EVENING HOURS. THE STRONG WIND COMBINED WITH VERY LOW RELATIVE
HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER WILL PRODUCE CRITICAL FIRE
WEATHER CONDITIONS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
PLEASE ADVISE THE APPROPRIATE OFFICIALS AND FIRE CREWS IN THE
FIELD OF THIS RED FLAG WARNING.
&&
$$
FIRE WEATHER PRODUCTSource: http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=sgx&wwa=red%20flag%20warning
NATIONAL WEATHER SERVICE LAS VEGAS NV
629 AM PDT SAT MAY 8 2010
.A LOW PRESSURE SYSTEM WILL BRING STRONG WEST TO SOUTHWEST WINDS
TO THE MOJAVE DESERT SUNDAY AFTERNOON AND EVENING. THESE WINDS
WILL COMBINE WITH LOW RELATIVE HUMIDITY AND HIGH FIRE DANGER TO
CREATE CRITICAL FIRE WEATHER CONDITIONS.
AZZ102-CAZ228-091400-
/O.UPG.KVEF.FW.A.0001.100509T2000Z-100510T0600Z/
/O.NEW.KVEF.FW.W.0002.100509T2000Z-100510T0600Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-MOJAVE DESERT-
629 AM PDT SAT MAY 8 2010 /629 AM MST SAT MAY 8 2010/
...RED FLAG WARNING IN EFFECT FROM 1 PM PDT /1 PM MST/ TO 11 PM
PDT /11 PM MST/ SUNDAY BELOW 3000 FEET...
THE NATIONAL WEATHER SERVICE IN LAS VEGAS HAS ISSUED A RED FLAG
WARNING BELOW 3000 FEET FOR STRONG WINDS AND LOW RELATIVE
HUMIDITY...WHICH IS IN EFFECT FROM 1 PM PDT /1 PM MST/ TO 11 PM
PDT /11 PM MST/ SUNDAY. THE FIRE WEATHER WATCH IS NO LONGER IN
EFFECT.
A PACIFIC LOW PRESSURE SYSTEM WILL BRING STRONG WEST TO SOUTHWEST
WINDS TO THE MOJAVE DESERT SUNDAY AFTERNOON AND EVENING. RELATIVE
HUMIDITY VALUES BELOW 15 PERCENT ARE ALSO EXPECTED. THERE ARE
MORE SEASONAL GRASSES THAN NORMAL IN THE LOWER DESERTS DUE TO THE
WET WINTER...AND THESE SEASONAL GRASSES HAVE CURED...THUS FIRE
DANGER IS ALSO HIGH. THESE THREE FACTORS WILL COMBINE TO CREATE
CRITICAL FIRE WEATHER CONDITIONS SUNDAY AFTERNOON AND EVENING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A RED FLAG WARNING MEANS THAT CRITICAL FIRE WEATHER CONDITIONS
ARE EITHER OCCURRING OR ARE IMMINENT. A COMBINATION OF STRONG
WINDS...LOW RELATIVE HUMIDITY...AND WARM TEMPERATURES WILL CREATE
EXTREME FIRE GROWTH POTENTIAL.
--
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