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Winter storm packs dangerous winds

MARCH 28, 2010 —..WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON...

A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH TUESDAY AFTERNOON FOR THE WEST SLOPES OF THE NORTHERN SIERRA NEVADA...WESTERN PLUMAS COUNTY AND THE LASSEN PARK AREA.

* SNOW ACCUMULATIONS: SIX TO 12 INCHES AROUND 5000 FEET AND ONE TO TWO FEET OVER HIGHER ELEVATIONS THROUGH TUESDAY AFTERNOON. ADDITIONAL ACCUMULATIONS POSSIBLE TUESDAY NIGHT AND WEDNESDAY.

* SNOW LEVELS: 7000 TO 8000 FEET ON MONDAY LOWERING TO 4000 TO 5000 FEET BY TUESDAY AFTERNOON.

* TIMING: LIGHT SNOW IS EXPECTED TO BEGIN TODAY ACROSS THE HIGHEST ELEVATIONS...WITH SNOW INCREASING TONIGHT AND TUESDAY WITH PERIODS OF MODERATE TO HEAVY SNOW.

* LOCATIONS INCLUDE: DONNER PASS AND ECHO SUMMIT.

* WINDS: GUSTY SOUTHWEST WINDS 50 TO 70 MPH OVER EXPOSED HIGHER ELEVATIONS.

* IMPACTS: HEAVY SNOW AND STRONG WINDS WILL RESULT IN TREACHEROUS TRAVELING CONDITIONS...TRAVEL DELAYS AND POSSIBLE ROAD CLOSURES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW...SLEET...OR ICE ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS.

The following information comes from the National Weather Service in Reno, Nev.

LOW PRESSURE OVER THE GULF OF ALASKA AND THE JET STREAM OVER THE EASTERN PACIFIC WILL CONVERGE ON THE SIERRA AND WESTERN NEVADA MONDAY AND TUESDAY.

A STRONG COLD FRONT WILL MOVE INTO NORTHWEST NEVADA EARLY TUESDAY MORNING THEN PASS SOUTH OF HIGHWAY 50 TUESDAY AFTERNOON OR TUESDAY EVENING. THE INITIAL THREAT IS A DANGEROUS DOWNSLOPE WIND EVENT MONDAY AFTERNOON THROUGH TUESDAY MORNING. RIDGE WINDS WELL OVER 100 MPH WILL MIX TO THE LOWER ELEVATIONS.

DAMAGING WIND GUSTS OVER 70 MPH ARE LIKELY TO AFFECT THE EASTERN SLOPES OF MOUNTAIN RANGES. THIS INCLUDES THE SURPRISE VALLEY, THE LAKE TAHOE BASIN, HIGHWAY 395 FROM SUSANVILLE THROUGH THE RENO CARSON CITY AREA SOUTH INTO MONO COUNTY, AND HIGHWAY 95 NEAR WALKER LAKE AND HAWTHORNE.

BY TUESDAY MORNING THE COLD FRONT WILL MAINTAIN THE STRONG SURFACE WINDS. AHEAD OF THE FRONT SUSTAINED WINDS OF 25 TO 40 MPH WITH GUSTS NEAR 60 MPH WILL CONTINUE UNTIL THE COLD FRONT PASSES TUESDAY AFTERNOON OR TUESDAY EVENING.

WINDS OF THIS MAGNITUDE WILL LIKELY CREATE A DUST STORM WITH VISIBILITY NEAR ZERO ACROSS PERSHING, CHURCHILL, LYON AND MINERAL COUNTIES.

TRAVEL RESTRICTIONS ARE LIKELY FOR HIGH PROFILE VEHICLES AND BLOWING DUST MAY CLOSE PORTIONS OF INTERSTATE 80 AS WELL AS HIGHWAYS 50, 95 AND 395.

HIGH WIND WARNING NOW IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT TUESDAY THE HIGH WIND WARNING IS NOW IN EFFECT FROM 11 AM MONDAY TO 5 AM PDT TUESDAY. STRONG TO DAMAGING DOWNSLOPE WINDS WILL AFFECT THE AREA MONDAY AFTERNOON THROUGH EARLY TUESDAY MORNING.

WINDS WILL INCREASE TO 20 TO 40 MPH WITH GUSTS NEAR 60 MPH MONDAY AFTERNOON. DAMAGING DOWNSLOPE WINDS OF UP TO 80 MPH WILL AFFECT AREAS NEAR CANYON OPENINGS IN THE SURPRISE VALLEY AND HIGHWAY 395 FROM JANESVILLE TO DOYLE. A DUST STORM MAY AFFECT EASTERN LASSEN COUNTY AND THE SMOKE CREEK AND BLACK ROCK DESERTS...CAUSING DANGEROUS TRAVEL CONDITIONS ON HIGHWAYS 395 AND 447 NEAR GERLACH.

UNSECURED OUTDOOR ITEMS SUCH AS DECK FURNITURE AND GARBAGE CANS SHOULD BE TIED DOWN OR MOVED INDOORS BEFORE MONDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS, DAMAGE TO TREES,POWER LINES AND PROPERTY IS LIKELY WITH WINDS OF THIS MAGNITUDE.

 DRIVING WILL BECOME HAZARDOUS FOR HIGH PROFILE VEHICLES. USE EXTRA CAUTION AND REMAIN ALERT FOR SUDDEN GUSTS OR CROSS WINDS.


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