Red Flag Warning 26, NWS Las Vegas, NV

000 
WWUS85 KVEF 070413
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
913 PM PDT FRI JUN 6 2008

AZZ102-CAZ228-070515-
/O.EXP.KVEF.FW.W.0026.000000T0000Z-080607T0400Z/
NORTHWEST DESERTS/NORTHWEST PLATEAU-MOJAVE DESERT-
913 PM PDT FRI JUN 6 2008 /913 PM MST FRI JUN 6 2008/

...RED FLAG WARNING HAS EXPIRED...

THE RED FLAG WARNING IS NO LONGER IN EFFECT FOR THE SAN BERNARDINO
COUNTY DESERTS OF CALIFORNIA AND THE NORTHWEST DESERTS AND
NORTHWEST PLATEAU OF ARIZONA.

RELATIVE HUMIDITY VALUES HAD CLIMBED TO BETWEEN 17 AND 22 PERCENT
AT MOST SITE ACROSS THE SAN BERNARDINO COUNTY DESERTS. GUSTY WEST
WINDS OVER 35 MPH WILL PERSIST OVER MUCH OF THE AREA UNTIL
MIDNIGHT THEN GRADUALLY DIMINISH OVERNIGHT.

ACROSS NORTHWEST ARIZONA...RELATIVE HUMIDITY VALUES WERE STILL
BETWEEN 8 AND 12 PERCENT AT MANY REPORTING SITES...BUT WIND GUSTS
WERE GENERALLY BELOW 35 MPH. WIND SPEEDS WILL CONTINUE TO
GRADUALLY DIMINISH OVERNIGHT ALTHOUGH GUSTS OF 20 TO 25 MPH WILL
BE COMMON. RELATIVE HUMIDITY RECOVERY WILL BE POOR...BUT SHOULD
CLIMB ABOVE 15 PERCENT BY MIDNIGHT.

$$

JGA

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
940 PM PDT THU JUN 5 2008

.SYNOPSIS...A WEAK WEATHER DISTURBANCE WILL MOVE THROUGH THE PACIFIC
NORTHWEST FRIDAY AND SATURDAY. THIS WILL BRING INCREASING SOUTHWEST
WINDS TO SOUTHERN NEVADA AND NORTHWEST ARIZONA. TEMPERATURES ARE
EXPECTED TO RISE AROUND 10 DEGREES ON FRIDAY WITH SLIGHT COOLING
SATURDAY. CONDITIONS WILL REMAIN DRY THROUGH THE WEEKEND.
&&

.UPDATE...THE 00Z NAM AND GFS SOLUTIONS SUPPORT THE OVERALL GOING
FORECAST AS DETAILED BELOW. NO UPDATE IS PLANNED.
&&

.PREV DISCUSSION.../330 PM PDT THU JUN 5 2008/

.SHORT TERM...DRY NORTHWEST FLOW REMAINS OVER THE REGION TODAY WITH
AFTERNOON TEMPERATURES RUNNING ABOUT 10 TO 15 DEGREES BELOW AVERAGE.
MUCH WARMER TEMPERATURES ARE EXPECTED FRIDAY AS ANOTHER UPPER
DISTURBANCE MOVES INTO THE PACIFIC NORTHWEST. THIS WILL ALLOW FOR
INCREASING SOUTHWEST WINDS OVER THE SOUTHERN THIRD OF THE CWA WHICH
WILL BRING TEMPERATURES BACK TO NORMAL. A WEAK COLD FRONT WILL ALSO
PUSH THROUGH THE STATE FRIDAY AFTERNOON WITH BREEZY TO LOCALLY WINDY
CONDITIONS AHEAD OF THE FRONT. THE STRONGEST WINDS ARE LIKELY TO
REMAIN OVER MOHAVE COUNTY WITH GUSTS UP TO 35 MPH POSSIBLE. MODELS
ARE SHOWING THIS FRONT TO DISSIPATE BEFORE REACHING LAS VEGAS WITH
WINDS GRADUALLY DIMINISHING OVERNIGHT FRIDAY. HEIGHTS DO FALL
SLIGHTLY SATURDAY WHICH SHOULD LOWER TEMPERATURES A COUPLE OF
DEGREES. NOT MUCH MOISTURE AND DYNAMICS ASSOCIATED WITH THE
FRONT...BUT A FEW CLOUDS ARE LIKELY TO DEVELOP OVER CENTRAL NYE AND
LINCOLN COUNTIES.

.LONG TERM...LOW CONFIDENCE CONTINUES. MODELS WIDELY DIVERGENT NEXT
WEEK AND NOT BEING TOO CONSISTENT...ESPECIALLY THE GFS TODAY. SO
BROADLY EXPECT TROUGHING SUNDAY AND MONDAY TO WEAK ZONAL FLOW.
TUESDAY WILL SEE ANOTHER TROUGH MOVE IN FOR A TEMPERATURE DROP AND
POSSIBLY A FRONTAL PASSAGE THIS FAR SOUTH. HAVE PUT IN SOME LOWER
TEMPERATURES FOR TUESDAY AND WEDNESDAY AND THEN A TEMPERATURE RISE
THURSDAY. NO HINT AT ANY MOISTURE WITH THIS SCENARIO AND HAVE KEPT
THE POPS VERY LOW IN THE NORTH AND LOWERED CLOUD COVER THERE AS
WELL.
&&

.AVIATION...FOR MCCARRAN...LIGHT AND VARIABLE WINDS FOR THE REST OF
TONIGHT. ANOTHER TROUGH WILL APPROACH THE AREA FRIDAY AND BRING SOME
BREEZY SOUTHWEST WINDS IN THE AFTERNOON. NO SIGNIFICANT CLOUD COVER
EXPECTED THROUGH FRIDAY.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA...AND SOUTHEAST
CALIFORNIA...CLEAR SKIES AND LIGHT WINDS THROUGH FRIDAY MORNING.
ANOTHER APPROACHING TROUGH WILL BRING BREEZY SOUTHWEST WINDS IN THE
AFTERNOON FRIDAY. NO PRECIPITATION NOR SIGNIFICANT CLOUD COVER
EXPECTED THROUGH FRIDAY.
&&

.FIRE WEATHER...ANOTHER LOW PRESSURE SYSTEM WILL MOVE ACROSS THE
PACIFIC NORTHWEST AND NORTHERN GREAT BASIN FRIDAY. THIS WILL KICK
SOUTHWEST WINDS UP ACROSS PORTIONS OF THE AREA. LOOKS LIKE WIND
GUSTS AROUND 35 MPH ARE LIKELY ACROSS MUCH OF MOHAVE COUNTY. SOME
UNCERTAINTY ABOUT FUEL STATUS. SOME RAIN FELL ON WEDNESDAY BUT FUELS
WERE VERY DRY BEFORE THE RAIN AND MOST AREAS GOT LITTLE TO NO
RAINFALL AND DRYING HAS TAKEN TODAY AND WILL CONTINUE THROUGH
FRIDAY. EXPECT FUELS TO BE VERY DRY AGAIN BY FRIDAY AFTERNOON.
RELATIVE HUMIDITY SHOULD DIP BELOW 15 PERCENT AS WELL SO ISSUED A
FIRE WEATHER WATCH FOR ZONE 102...THE NORTHWEST PLATEAU AND
NORTHWEST DESERTS.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...NONE.
AZ...FIRE WEATHER WATCH FROM FRIDAY AFTERNOON THROUGH FRIDAY EVENING
     FOR AZZ102.
CA...NONE.
&&

ADAIR/GORELOW/JACQUES

HTTP://WEATHER.GOV/LASVEGAS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
421 AM PDT THU JUN 5 2008

AZZ001>003-036-CAZ519>527-NVZ014>022-060315-
NORTHWEST PLATEAU-LOWER COLORADO RIVER VALLEY-NORTHWEST DESERTS-
LAKE MEAD NATIONAL RECREATION AREA-EASTERN SIERRA SLOPES-
OWENS VALLEY-WHITE MOUNTAINS OF INYO COUNTY-
DEATH VALLEY NATIONAL PARK-WESTERN MOJAVE DESERT-
EASTERN MOJAVE DESERT-MORONGO BASIN-CADIZ BASIN-
SAN BERNARDINO COUNTY-UPPER COLORADO RIVER VALLEY-
ESMERALDA AND CENTRAL NYE COUNTY-LINCOLN COUNTY-
NORTHEAST CLARK COUNTY-WESTERN CLARK AND SOUTHERN NYE COUNTY-
SHEEP RANGE-SPRING MOUNTAINS-LAS VEGAS VALLEY-
SOUTHERN CLARK COUNTY-
421 AM PDT THU JUN 5 2008 /421 AM MST THU JUN 5 2008/

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTHWEST
ARIZONA...CALIFORNIA AND SOUTHERN NEVADA.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

AN UPPER LEVEL DISTURBANCE MOVING THROUGH THE PACIFIC NORTHWEST
FRIDAY WILL RESULT IN LOCALLY BREEZY CONDITIONS. WIND GUSTS AROUND
35 MPH ARE LIKELY ACROSS MUCH OF SAN BERNARDINO AND MOHAVE
COUNTIES. LOW RELATIVE HUMIDITY AND HIGH TO VERY HIGH FIRE DANGER
IS ALSO LIKELY ACROSS MOHAVE COUNTY. A FIRE WEATHER WATCH HAS BEEN
ISSUED FOR THE NORTHWEST DESERTS AND NORTHWEST PLATEAU IN MOHAVE
COUNTY FOR FRIDAY AFTERNOON AND EVENING.

A DRY WEST TO NORTHWEST FLOW ALOFT IS EXPECTED ACROSS THE SOUTHERN
GREAT BASIN AND MOJAVE DESERT SATURDAY THROUGH WEDNESDAY. OTHER
THAN LOCALLY BREEZY CONDITIONS AT TIMES...NO SIGNIFICANT WEATHER
IS EXPECTED.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.