Thursday, April 1, 2010

High Wind Watch for Columbia County 4/2/10

High wind watch for the Vernonia, Mist and Birkenfeld areas and upper elevations of Columbia County for Friday, April 2nd. Information from the National Weather Service is posted below.
Derek White
Emergency Management
503-366-3905
Derek.White@co.columbia.or.us

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE PORTLAND OR
845 AM PDT THU APR 1 2010

..ANOTHER STRONG FRONT IS HEADING FOR THE COAST EARLY FRIDAY...

.A STRONG LOW PRESSURE SYSTEM WILL MOVE INTO THE NORTHEAST
PACIFIC EARLY FRIDAY MORNING. THIS SYSTEM WILL DRIVE A STRONG WARM
FRONT ONSHORE INTO THE PACIFIC NORTHWEST LATE TONIGHT FOR BREEZY
CONDITIONS ALONG THE COAST. HOWEVER THE POTENTIALLY DAMAGING WINDS
WILL OCCUR AS THE COLD FRONT MOVES ONSHORE AROUND DAYBREAK FRIDAY
MORNING. FURTHERMORE...THE POSSIBILITY OF STRONG WINDS IN THE
HIGHER TERRAIN OF THE COASTAL MOUNTAINS IS ALSO INCREASING.

ORZ003-004-WAZ020-020000-
/O.EXB.KPQR.HW.A.0008.100402T1400Z-100402T2200Z/
COAST RANGE OF NORTHWEST OREGON-
CENTRAL COAST RANGE OF WESTERN OREGON-WILLAPA HILLS-
INCLUDING THE CITY OF...VERNONIA
845 AM PDT THU APR 1 2010

..HIGH WIND WATCH IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON FOR THE WILLAPA HILLS AND THE NORTH AND CENTRAL OREGON
COAST RANGE...

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED A HIGH WIND
WATCH...WHICH IS IN EFFECT FROM FRIDAY MORNING THROUGH FRIDAY
AFTERNOON.

* WINDS...SOUTH TO SOUTHWEST WINDS MAY INCREASE TO 30 TO 40 MPH
EARLY FRIDAY MORNING WITH GUSTS AS HIGH AS 70 MPH
POSSIBLE...PRIMARILY ALONG RIDGE TOPS AND EXPOSED TERRAIN.

* TIMING...STRONG WINDS WILL BEGIN AFFECTING THE COASTAL MOUNTAINS
AROUND 5 AM FRI MORNING. THE STRONGEST WINDS EXPECTED TO OCCUR
AROUND 8 AM...THOUGH POTENTIALLY DAMAGING WIND GUSTS COULD LAST
INTO EARLY FRIDAY AFTERNOON.

* LOCATIONS INCLUDE...WILLAPA...FRANCES...VERNONIA...SUNSET
SUMMIT...LEES CAMP...GRANDE RONDE...VENETA...AND MAPLETON.

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.