High Wind in Nevada, April 11, 2010

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ELKO NV
235 AM PDT SUN APR 11 2010

.SYNOPSIS...WINDY CONDITIONS TODAY...WITH SHOWERS SPREADING WEST
TO EAST ACROSS THE STATE THIS EVENING AND OVERNIGHT. SHOWERS TAPER
OFF MONDAY INTO TUESDAY. TEMPERATURES RISE BACK TO NEAR NORMAL
TUESDAY THROUGH THURSDAY WITH DRY CONDITIONS...HOWEVER COULD SEE A
RETURN OF SHOWERS FRIDAY INTO THE WEEKEND. &&

.SHORT TERM...TODAY THROUGH TUESDAY. DEEP LOW PRESSURE SYSTEM
CURRENTLY CENTERED JUST OFF THE NORTHERN CA COAST IS BRINGING
MOSTLY CLOUDY SKIES TO NORTHERN AND CENTRAL NEVADA...UNDER
SOUTHWESTERLY FLOW ALOFT. MAIN CONCERN WITH THE APPROACHING SYSTEM
WILL BE WINDS THIS AFTERNOON INTO EARLY EVENING...AHEAD OF THE
SYSTEMS BAROCLINIC BAND...WHICH WILL MOVE INTO WESTERN NEVADA THIS
EVENING AND INTO CENTRAL AND EASTERN AREAS OVERNIGHT.

WINDS WILL BECOME GUSTY BY MID TO LATE MORNING TODAY AS THE UPPER
LOW NEARS THE REGION. WINDS ALOFT ARE NOT EXCESSIVELY STRONG...WITH
THE H3 JET WIND SPEED ONLY INCREASING UP TO 70KTS ACROSS NORTHERN NV
AND TO 90KTS OVER CENTRAL NV BY 00Z THIS AFTERNOON. HOWEVER THESE
MODERATELY STRONG WINDS WILL EFFICIENTLY MIX DOWN TOWARD THE SURFACE
TODAY...WITH BREEZY TO WINDY CONDITIONS ACROSS NORTHERN NEVADA...AND
WINDY TO VERY WINDY CONDITIONS ACROSS CENTRAL NEVADA. LAST FOUR NAM
MODEL RUNS HAVE EACH SUCCESSIVELY BEEN INCREASING WIND SPEEDS ACROSS
CENTRAL NEVADA. GFS HAS BEEN FAIRLY CONSISTENT RUN-TO-RUN...ALTHOUGH
WITH SLIGHTLY LIGHTER WINDS THAN THE NAM. PREVIOUS SHIFT ISSUED A
WIND ADVISORY FOR NORTHERN LANDER AND EUREKA COUNTIES...AS WELL AS
THE SOUTHWESTERN HALF OF ELKO COUNTY...ALONG WITH A HIGH WIND WATCH
FOR SOUTHERN LANDER AND EUREKA COUNTIES...WHITE PINE COUNTY...AND
NORTHERN NYE COUNTY. WILL LEAVE THE WIND ADVISORIES AS IS...HOWEVER
WILL BE UPGRADING THE HIGH WIND WATCHES TO HIGH WIND WARNINGS.
PLEASE SEE PRODUCT RNONPWLKN FOR ADDITIONAL INFORMATION.

WINDS WILL BE GUSTY IN MANY AREAS INTO THE MID TO LATE EVENING HOURS
BOTH AHEAD OF AND ALONG THE INCOMING FRONTAL BOUNDARY. PRECIPITATION
IS EXPECTED TO REACH WMC AROUND 06Z MONDAY...TPH AROUND 09Z...EKO
AROUND 11Z...AND TO ELY AROUND 13Z. WITH WARM AIR AHEAD OF THE
FRONT...AND H7 TEMPS ONLY LOWERING TO AROUND -6C WITH THE
FRONT...NOT EXPECTING ANY SNOW ACCUMULATIONS BELOW 6000 FT. HIGHER
ELEVATIONS...GENERALLY ABOVE 7000 FT...OF EUREKA COUNTY WHITE PINE
COUNTY...AND ESPECIALLY THE RUBY MTS...COULD DO FAIRLY WELL WITH
RESPECT TO SNOW AMOUNTS MONDAY AS INSTABILITY COUPLED WITH
FRONTOGENESIS AND A MOIST AIRMASS GENERATE PERIODS OF MODERATE TO
HEAVY MT SNOWS INTO MONDAY NIGHT.

SHOWER ACTIVITY IS EXPECTED TO DIMINISH TUESDAY UNDER A NEAR ZONAL
FLOW ALOFT WITH LOWER LEVEL CLOUDS SCATTERING OR CLEARING
OUT...LEAVING MAINLY ONLY HIGH CLOUDS.

.LONG TERM...TUESDAY NIGHT THROUGH SATURDAY. MODELS IN REASONABLE
AGREEMENT THROUGH THE PERIOD. UPPER LOW OFF THE OREGON COAST WILL
BRING A DRY SWLY FLOW ACROSS NRN AND CNTRL NV THROUGH THURSDAY WITH
TEMPS RUNNING ABOUT 4 TO 6 DEGREES ABOVE NORMAL. SHORT WAVE ROTATING
AROUND THIS LOW WILL PUSH INTO THE AREA FRIDAY AND SATURDAY BRINGING
A SLIGHT CHANCE OF SHOWERS MAINLY TO NRN NV. &&

.AVIATION...AS UPPER LOW OFF THE CA COAST MOVES TOWARDS THE COAST
PRESSURE GRADIENTS WILL INCREASE ACROSS THE AREA. THIS WILL BRING
VERY WINDY CONDITIONS TO CNTRL NV TODAY AND BREEZY TO WINDY
CONDITIONS TO NRN NV. &&

.LKN WATCHES/WARNINGS/ADVISORIES...

WIND ADVISORY FROM NOON TODAY TO 8 PM PDT THIS EVENING FOR
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY...RUBY
MOUNTAINS/EAST HUMBOLDT RANGE...SOUTHWEST AND SOUTH CENTRAL ELKO
COUNTY.

HIGH WIND WARNING FROM NOON TODAY TO 8 PM PDT THIS EVENING FOR
NORTHERN NYE COUNTY...SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA
COUNTY...WHITE PINE COUNTY. &&

96/91/91

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ELKO NV
257 AM PDT SUN APR 11 2010

NVZ013-032-034>037-120300-
NORTHERN NYE COUNTY-SOUTHWEST AND SOUTH CENTRAL ELKO COUNTY-
RUBY MOUNTAINS/EAST HUMBOLDT RANGE-WHITE PINE COUNTY-
NORTHERN LANDER COUNTY AND NORTHERN EUREKA COUNTY-
SOUTHERN LANDER COUNTY AND SOUTHERN EUREKA COUNTY-
257 AM PDT SUN APR 11 2010

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EAST CENTRAL
NEVADA...NORTH CENTRAL NEVADA...NORTHEAST NEVADA AND SOUTH
CENTRAL NEVADA.

.DAY ONE...TODAY.

A STRONG LOW PRESSURE SYSTEM WILL APPROACH FROM THE WEST
TODAY...WHICH WILL GENERATE WINDY TO VERY WINDY CONDITIONS ACROSS
CENTRAL AND PORTIONS OF NORTHERN NEVADA. PLEASE SEE PRODUCT
RNONPWLKN FOR MORE INFORMATION ON THE EXPECTED WINDS.

.DAYS TWO THROUGH SEVEN...TONIGHT THROUGH SATURDAY.

A COLD FRONT WILL SPREAD WEST TO EAST ACROSS NEVADA THIS EVENING
AND OVERNIGHT...BRINGING SHOWERS TO MOST AREAS. VALLEY AREAS WILL
SEE RAIN OR A MIX OF RAIN AND SNOW...HOWEVER NOT EXPECTING ANY
ACCUMULATIONS BELOW 6000 FEET. MOUNTAINOUS AREAS ACROSS CENTRAL
NEVADA...INCLUDING THE RUBY MOUNTAINS...COULD RECEIVE MODERATE TO
LOCALLY HEAVY SNOW AMOUNTS TONIGHT THROUGH MONDAY NIGHT.

A DRYING TREND IS EXPECTED FOR THE MIDDLE PORTION OF THE
WEEK...HOWEVER SHOWERS WILL BE POSSIBLE...ESPECIALLY ACROSS
NORTHERN NEVADA...FRIDAY ON INTO THE WEEKEND.

.SPOTTER INFORMATION STATEMENT...

SPOTTERS ARE ASKED TO REPORT WEATHER PHENOMENA ACCORDING TO
STANDARD OPERATING PROCEDURE.

ROOD