Red Flag Warning 29, NWS Las Vegas, NV

000 
WWUS85 KVEF 192326
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
425 PM PDT TUE AUG 19 2008

...RED FLAG WARNING FOR PORTIONS OF SOUTH CENTRAL NEVADA FOR
GUSTY SOUTHWEST WINDS AND LOW HUMIDITY...

NVZ460>462-200300-
/O.CON.KVEF.FW.W.0029.000000T0000Z-080820T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
425 PM PDT TUE AUG 19 2008

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS
EVENING FOR GUSTY WINDS AND LOW RELATIVE HUMIDITIES...

A RED FLAG WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING.

SOUTH TO SOUTHWEST WINDS GUSTING TO OVER 35 MPH WILL CONTINUE TO
COMBINE WITH LOW RELATIVE HUMIDITIES THIS AFTERNOON AND EVENING.
THUS THE RED FLAG WARNING WILL CONTINUE THROUGH 8 PM PDT.

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.

$$

JENSEN

000
WWUS85 KVEF 200257
RFWVEF

RED FLAG WARNING
NATIONAL WEATHER SERVICE LAS VEGAS NV
757 PM PDT TUE AUG 19 2008

NVZ460>462-200400-
/O.EXP.KVEF.FW.W.0029.000000T0000Z-080820T0300Z/
ESMERALDA AND NYE COUNTY DESERTS/CNC DISPATCH-
LINCOLN COUNTY/ELY DISPATCH-NYE COUNTY DESERTS/LAS VEGAS DISPATCH-
757 PM PDT TUE AUG 19 2008

...RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING...

THE RED FLAG WARNING WILL EXPIRE AT 8 PM PDT THIS EVENING. 

THE GUSTY WINDS OF THIS AFTERNOON HAVE BEGAN TO DECREASE AND ARE
NO LONGER REACHING WIDESPREAD GUSTS OF 35 MPH OR GREATER. THUS THE
RED FLAG WARNING WILL BE ALLOWED TO EXPIRE AS OF 8 PM PDT.
ALTHOUGH THE WINDS ARE DECREASING...RELATIVE HUMIDITY VALUES WILL
REMAIN GENERALLY BELOW 15 PERCENT THROUGH THE EVENING HOURS BEFORE
RECOVERING OVERNIGHT.

LESS WIND IS EXPECTED ON WEDNESDAY SO THERE SHOULD NOT BE A NEED
FOR ANY ADDITIONAL WATCHES OR WARNINGS FOR THIS SYSTEM.

$$

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
315 AM PDT TUE AUG 19 2008

.SYNOPSIS...SOUTHWEST WINDS WILL INCREASE THIS AFTERNOON ACROSS THE
REGION AHEAD OF AN APPROACHING TROUGH OF LOW PRESSURE. OTHERWISE...
DRY CONDITIONS...SUNNY SKIES AND SLIGHTLY ABOVE NORMAL TEMPERATURES
WILL BE THE RULE FOR THE REST OF THE WORKWEEK.
&&

.SHORT TERM...MAIN WEATHER FEATURE IN THE SHORT TERM WILL BE A
COUPLE OF TROUGHS THAT WILL PUSH THROUGH THE REGION TONIGHT AND
AGAIN ON THURSDAY. THE MAIN ENERGY WILL BE WELL TO THE NORTH ACROSS
THE PACIFIC NORTHWEST. THE FIRST TROUGH WILL HAVE SOME AMPLIFICATION
AND PROVIDE SOME AFTERNOON WIND GUSTS BETWEEN 30 AND 40 MPH
PRIMARILY FROM THE SOUTHWEST ACROSS SOUTHERN NEVADA...WITH THE
HIGHER GUSTS UP ACROSS CENTRAL NYE AND LINCOLN COUNTIES. THE SECOND
TROUGH WILL PROVIDE MANY ZONAL WESTERLY FLOW...BUT AGAIN WILL
PROVIDE SOME ENHANCED AFTERNOON GUSTINESS ON THURSDAY...MORE IN THE
RANGE OF 25 TO 30 MPH ACROSS CENTRAL NYE AND LINCOLN COUNTIES.
OTHERWISE...DRY CONDITIONS AND TEMPERATURES AVERAGING 2 TO 3 DEGREES
ABOVE NORMAL THROUGH THURSDAY.

.LONG TERM...00Z MODELS FORECAST A RIDGE OF HIGH PRESSURE EAST OF
THE AREA FRIDAY AND OVER THE WEEKEND. ALTHOUGH THE UPPER FLOW
BECOMES SOMEWHAT FAVORABLE FOR MOISTURE ADVECTION...MODEL PROGS KEEP
SKIES MOSTLY CLEAR WHICH SHOULD MAINTAIN ABOVE NORMAL TEMPS ACROSS
THE REGION. THUNDERSTORM CHANCES ARE EXPECTED TO BE MINIMAL TO NON
EXISTENT OVER MOST OF THE FORECAST AREA WITH MODELS INDICATING
STABLE CONDITIONS OVER THE AREA AND THE DEEPER MOISTURE REMAINING
SOUTH OF THE CWA. THE EXCEPTION MAY BE IN THE SIERRA ON FRIDAY WHERE
THE GFS/NAM SHOW ONE INCH PW SPREADING OVER THE CENTRAL VALLEY OF
CALIFORNIA AND THREE QUARTER INCH SNEAKING UP INTO THE OWENS VALLEY.
THERE IS ALSO A FORECASTED UPSLOPE COMPONENT TO THE 850MB WINDS INTO
THE EASTERN SLOPES OF THE SIERRA WITH LIFTED INDEX APPROACHING ZERO.
DID NOT ADD PRECIP YET BUT WILL SEE IF FUTURE MODEL RUNS CONTINUE TO
SHOW THIS TREND. HOT AND DRY CONDITIONS EXPECTED OVER THE WEEKEND
AND INTO THE EARLY PART OF NEXT WEEK WITH TEMPERATURES REMAINING
SEVERAL DEGREES ABOVE NORMAL.
&&

.AVIATION...FOR MCCARRAN...SOUTHWEST WINDS GENERALLY AROUND 10KTS
THROUGH 18Z BEFORE INCREASING THIS AFTERNOON WITH GUSTS 25-30 KTS.
MOSTLY CLEAR SKIES THROUGH TUESDAY.

FOR THE REST OF SOUTHERN NEVADA...NORTHWEST ARIZONA AND SOUTHERN SAN
BERNARDINO COUNTY...SOUTH WINDS 5 TO 15 KTS THROUGH 18Z THEN
INCREASING TO BETWEEN 10-20KTS WITH GUSTS TO AROUND 35KTS ESPECIALLY
IN THE BEATTY CORRIDOR AND NORTH OF MORMON MESA CORRIDOR. MOSTLY
CLEAR SKIES THROUGH TUESDAY.
&&

.FIRE WEATHER...UPGRADED FIRE WEATHER WATCH TO A RED FLAG WARNING
FOR THIS AFTERNOON AND EARLY EVENING ACROSS PORTIONS OF SOUTHERN
NEVADA. EXPECT WIND GUSTS IN THE LAS VEGAS VALLEY UP TO 30 MPH...BUT
HIGHER GUSTS OF 35 TO 40 MPH ACROSS THE WARNED AREA...PRIMARILY
CENTRAL NYE AND AND LINCOLN COUNTIES. A FEW WIND PRONE LOCATIONS ON
THE NEVADA TEST SITE WILL PROBABLY HAVE SOME HIGHER GUSTS AS THEY
DID ON MONDAY AFTERNOON. WITH THE WINDS...HUMIDITIES WILL FALL TO
AROUND 10 PERCENT IN THE LOWER ELEVATIONS AND INTO THE LOWER TEENS
AT HIGHER ELEVATIONS AND THIS COMBINED WITH THE VERY DRY FUELS WILL
BRING CRITICAL FIRE WEATHER CONDITIONS TO THE WARNED AREA. WIND
GUSTS OF 25 TO 30 MPH ARE POSSIBLE ACROSS CENTRAL NYE AND LINCOLN
COUNTIES ON WEDNESDAY AND THURSDAY AFTERNOONS.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
NV...RED FLAG WARNING FROM NOON TODAY TO 8 PM THIS EVENING FOR
     NVZ460>462.
AZ...NONE.
CA...NONE.
&&

CZYZYK/SALMEN

HTTP://WEATHER.GOV/LASVEGAS

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LAS VEGAS NV
607 AM PDT MON AUG 18 2008

AZZ001>003-036-CAZ519>527-NVZ014>022-190415-
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-
607 AM PDT MON AUG 18 2008 /607 AM MST MON AUG 18 2008/

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

.DAY ONE...TODAY AND TONIGHT

DRIER AIR WILL CONTINUE TO MOVE INTO THE REGION FROM WEST TO
EAST TODAY...LIMITING THUNDERSTORM ACTIVITY TO ISOLATED COVERAGE
ACROSS NORTHWEST ARIZONA THIS AFTERNOON. NO ORGANIZED THREAT OF
SEVERE WEATHER OR FLASH FLOODING IS APPARENT AT THIS TIME.

.DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL NOT BE NEEDED.