Thursday, December 15, 2011

[californiadisasters] Santa Ana Wind Watch (12/15/11-AM)



...POTENTIALLY STRONG GUSTY NORTHEAST TO EAST WINDS FRIDAY
MORNING THROUGH SATURDAY AFTERNOON...

.A VIGOROUS LOW PRESSURE SYSTEM WILL MOVE THROUGH CALIFORNIA AND
INTO NORTHWEST MEXICO LATE THURSDAY INTO SATURDAY. STRONG WINDS
ON THE BACK SIDE OF THE LOW AND INCREASING SURFACE PRESSURE
GRADIENTS WILL GENERATE STRONG GUSTY OFFSHORE WINDS EARLY FRIDAY
MORNING INTO SATURDAY AFTERNOON. NORTH TO NORTHEAST WINDS ON
FRIDAY WILL IMPACT PORTIONS OF THE SAN BERNARDINO AND RIVERSIDE
COUNTY MOUNTAINS...THE INLAND EMPIRE...AND THE SANTA ANA MOUNTAINS
AND FOOTHILLS. AS THE LOW PROGRESSES SLIGHTLY WEST LATE FRIDAY...WINDS
WILL TURN MORE EASTERLY...AND STRENGTHEN ACROSS THE SAN DIEGO
COUNTY MOUNTAINS. HOWEVER...LARGE UNCERTAINTY IN THE STRENGTH OF
THE WINDS REMAINS DUE TO UNCERTAINTIES IN THE TRACK OF THE LOW.

CAZ048-055>057-152200-
/O.CON.KSGX.HW.A.0010.111216T1200Z-111217T2100Z/
SAN BERNARDINO AND RIVERSIDE COUNTY VALLEYS-THE INLAND EMPIRE-
SAN BERNARDINO COUNTY MOUNTAINS-RIVERSIDE COUNTY MOUNTAINS-
SANTA ANA MOUNTAINS AND FOOTHILLS-
250 AM PST THU DEC 15 2011

...HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY AFTERNOON...

A HIGH WIND WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH
SATURDAY AFTERNOON.

* TIMING: EARLY FRIDAY MORNING INTO EARLY SATURDAY AFTERNOON.

* WINDS: AREAS OF NORTHEAST WINDS 30 TO 40 MPH...WITH GUSTS UP TO
60 MPH. OCCASIONAL LOCAL GUSTS IN EXCESS OF 65 MPH ARE POSSIBLE
IN THE MOST FAVORED LOCATIONS...INCLUDING THROUGH AND BELOW THE
CAJON AND BANNING PASSES IN THE INLAND EMPIRE AND THE FREMONT
AND MODJESKA CANYONS IN THE SANTA ANA MOUNTAINS.

* IMPACTS: THE WINDS WILL MAKE DRIVING DIFFICULT...ESPECIALLY FOR
MOTORISTS WITH HIGH PROFILE VEHICLES TRAVELING ALONG INTERSTATES
15...215...10...AND HIGHWAYS 210...60...AND 91. WATCH FOR DOWNED
TREES AND POWER LINES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A HIGH WIND WATCH MEANS THERE IS THE POTENTIAL FOR A HAZARDOUS
HIGH WIND EVENT. SUSTAINED WINDS OF AT LEAST 40 MPH...OR GUSTS OF
58 MPH OR STRONGER MAY OCCUR. CONTINUE TO MONITOR THE LATEST
FORECASTS.
Source: http://forecast.weather.gov/wwamap/wwatxtget.php?cwa=lox&wwa=high%20wind%20watch

--
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