Wind Advisory 32, NWS Las Vegas, NV

000 
WWUS75 KVEF 230508
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
908 PM PST WED NOV 22 2006

CAZ519-231200-
/O.CON.KVEF.WI.Y.0032.061123T0600Z-061123T1200Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
908 PM PST WED NOV 22 2006

...WIND ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST THURSDAY...

A PACIFIC STORM SYSTEM AND ASSOCIATED FRONT WILL MOVE ONSHORE
ALONG THE WEST COAST TONIGHT. THIS SYSTEM WILL BE RESPONSIBLE FOR
STRONG WESTERLY WINDS OVER THE EASTERN SLOPES OF THE SOUTHERN
SIERRA. WIND GUSTS TO OVER 40 MPH HAD BEEN REPORTED AT ASPENDELL BY
9 PM WEDNESDAY EVENING AND ARE EXPECTED TO REACH TO 60 MPH OR
GREATER THROUGH 4 AM THURSDAY MORNING ABOVE THE 7000 FOOT LEVEL.
THESE WINDS ARE THEN EXPECTED TO RAPIDLY DIMINISH BY EARLY
THURSDAY MORNING.

A WIND ADVISORY FOR ELEVATIONS OVER 7000 FEET MEANS THAT WINDS OF
40 TO 49 MPH AND/OR FREQUENT WIND GUSTS OF 60 MPH OR GREATER ARE
EXPECTED. WINDS THIS STRONG CAN MAKE DRIVING DIFFICULT...
ESPECIALLY FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION.

$$

000 
WWUS75 KVEF 231133
NPWVEF

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE LAS VEGAS NV
333 AM PST THU NOV 23 2006

CAZ519-231245-
/O.EXP.KVEF.WI.Y.0032.000000T0000Z-061123T1200Z/
EASTERN SIERRA SLOPES-
INCLUDING THE CITIES OF...ASPENDELL...MT WHITNEY
333 AM PST THU NOV 23 2006

...WIND ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING...

THE WIND ADVISORY WILL EXPIRE AT 4 AM PST EARLY THIS MORNING. 

STRONG WINDS OVER THE HIGHEST ELEVATIONS OF THE SIERRAS WILL
DIMINISH RAPIDLY EARLY THIS MORNING. THEREFORE...THE WIND ADVISORY
WILL BE ALLOWED TO EXPIRE ON SCHEDULE.

$$

MORGAN

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LAS VEGAS NV
850 AM PST WED NOV 22 2006

.SYNOPSIS...SOUTHWEST FLOW ALOFT WILL CONTINUE TO BRING HIGH CLOUDS
ACROSS THE MOJAVE DESERT AND SOUTHERN GREAT BASIN TODAY. A LOW
PRESSURE SYSTEM MOVING INTO THE PACIFIC NORTHWEST TONIGHT WILL PUSH
A COLD FRONT THROUGH THE AREA ON THANKSGIVING DAY...BRINGING
SEASONABLY COOL TEMPERATURES FOR THE HOLIDAY WEEKEND. ANOTHER STORM
SYSTEM WILL BRING A SMALL CHANCE OF RAIN AND SNOW SHOWERS TO THE
SOUTHERN GREAT BASIN SUNDAY NIGHT AND MONDAY.
&&

.UPDATE...TWO SENSORS STARTING TO SHOW WINDY CONDITIONS NEAR THE
TEST SITE SO WILL ISSUE AN UPDATE FOR NYE/ESMERALDA ZONE. REST OF
FORECAST LOOKS FINE. ON A SIDE NOTE...WFO VEF IS AWARE OF A PROBLEM
WITH THE GRIDS NOT MAKING IT TO THE REGIONAL WEB FARM WHICH CAUSES
THE INTERNET PAGES TO NOT DISPLAY THE ICONS PROPERLY.
TROUBLESHOOTING IS CURRENTLY BEING DONE TO FIX THE PROBLEM AND
UPDATED GRIDS WILL BE SENT ACROSS AS SOON AS IT IS WORKING. NO TIME
ESTIMATE AT THE MOMENT.
&&

.SHORT TERM...VERY LITTLE CHANGE FROM PREVIOUS THINKING. SATELLITE
SHOWS CIRRUS CONTINUING TO STREAM OVERHEAD IN SOUTHWEST FLOW AHEAD
OF SHORTWAVE TROUGH NEAR 46N 134W. THIS TROUGH WILL PUSH INTO THE
PUGENT SOUND AREA LATE THIS EVENING...AND AN ASSOCIATED DRY COLD
FRONT WILL SLIDE SOUTH THROUGH THE SOUTHERN GREAT BASIN INTO THE
MOJAVE DESERT THROUGH THURSDAY. THE FRONT APPEARS RATHER
DIFFUSE...AS THE WIND SHIFT LINE...TEMPERATURE GRADIENT...AND
DEWPOINT GRADIENT ARE NOT COINCIDENT. THUS...THE COLD ADVECTION WILL
PROBABLY OCCUR RATHER GRADUALLY OVER A DAY OR TWO...AS OPPOSED TO
THE SUDDEN PLUNGES OFTEN SEEN IN THE WAKE OF AN ARCTIC FRONT EAST OF
THE ROCKIES. TEMPERATURE TRENDS FROM PREVIOUS SHIFTS LOOKED GOOD AND
DID NOT MAKE ANY MAJOR CHANGES. BY FRIDAY TEMPERATURES WILL BE QUITE
CLOSE TO NORMAL FOR LATE NOVEMBER...WHICH WILL KINDA FEEL COLD
COMPARED TO THE RECENT WARMTH.

.LONG TERM...WEAK SHORTWAVE PROGGED TO MOVE ACROSS THE CWA ON
SATURDAY. MODELS SHOW THIS INITIAL SHORTWAVE TO BE RATHER DRY WITH
MAINLY HIGH LEVEL MOISTURE SPREADING OVER THE REGION. MAIN EFFECT
WILL BE COOLER TEMPERATURES WITH GUIDANCE BRINGING AFTERNOON
TEMPERATURES DOWN AROUND 4-6 DEGREES FROM FRIDAY. SECOND AND DEEPER
SHORTWAVE EXPECTED TO MOVE INTO THE AREA SUNDAY WITH ADDITIONAL
COOLING ALONG WITH MORE MOISTURE. GFS HAS BEEN TRENDING DEEPER WITH
THE TROUGH AND SPREADS QPF OVER THE NORTHERN AREAS OF THE CWA SUNDAY
AFTERNOON AND OVER THE EASTERN HALF OF THE CWA BY SUNDAY NIGHT. GFS
IS ALSO SHOWING A FAIRLY STRONG VORT MAX ROTATING AROUND THE BASE OF
THE TROUGH ACROSS SOUTHERN NEVADA AND HAVE ELECTED TO EXTEND POPS
FURTHER SOUTH DUE TO THIS FEATURE. HAVE ADDED POPS INTO THE LOCAL
MOUNTAINS ALONG WITH NORTHERN MOHAVE COUNTY. TROUGH QUICKLY EXITS
THE AREA MONDAY FOLLOWED BY A COOL NORTHWEST FLOW. THIS TREND IS
FORECAST TO CONTINUE INTO WEDNESDAY WITH TEMPERATURES NEAR NORMAL.
&&

.AVIATION...TAFS AND TWEBS ADEQUATELY DESCRIBE EXPECTED WEATHER
CONDITIONS FOR AREA TERMINALS. SEE TAFS FOR
KLAS...KVGT...KDRA...KBIH...KDAG...KEED FOR DETAILS.

AVIATION DISCUSSION NOT UPDATED FOR AMENDED TAFS.
&&

.VEF WATCHES/WARNINGS/ADVISORIES...
.NV...NONE.
.AZ...NONE.
.CA...NONE.

BELL/MORGAN/GORELOW

HTTP://WEATHER.GOV/LASVEGAS