Tuesday, November 22, 2011

Flood Advisory

The National Weather Service has issued a flood advisory for Tillamook, Clatsop, Washington, Yamill, Skamania, Pacific, Cowlitz, Wahkiakum, Clark, Multnomah, Clackamas and Columbia County lasting through 6:15 PM tonight.

Please be cautious as you travel. If a road appears to have standing water, choose an alternate route.

Read below for full details on the NWS advisory.

THE NATIONAL WEATHER SERVICE IN PORTLAND HAS ISSUED AN

* URBAN AND SMALL STREAM FLOOD ADVISORY FOR...
CLATSOP COUNTY IN NORTHWEST OREGON...
COLUMBIA COUNTY IN NORTHWEST OREGON...
MULTNOMAH COUNTY IN NORTHWEST OREGON...
NORTH CENTRAL CLACKAMAS COUNTY IN NORTHWEST OREGON...
TILLAMOOK COUNTY IN NORTHWEST OREGON... WASHINGTON COUNTY IN NORTHWEST OREGON...
WESTERN YAMHILL COUNTY IN NORTHWEST OREGON...
CLARK COUNTY IN SOUTHWEST WASHINGTON...
COWLITZ COUNTY IN SOUTHWEST WASHINGTON...
SOUTHERN PACIFIC COUNTY IN SOUTHWEST WASHINGTON...
WAHKIAKUM COUNTY IN SOUTHWEST WASHINGTON...
WESTERN SKAMANIA COUNTY IN SOUTHWEST WASHINGTON...

* UNTIL 615 PM PST TUESDAY.

• AT 1030 AM PST NATIONAL WEATHER SERVICE DOPPLER RADAR AND RAIN GAGES SHOW VERY HEAVY RAIN OCCURRING IN AN AREA STRETCHING FROM THE NORTHWEST OREGON AND SOUTHWEST WASHINGTON COAST EASTWARD TO THE NORTHWEST OREGON AND SOUTHWEST WASHINGTON CASCADES. THE AREA OF VERY HEAVY RAIN WAS NEARLY STATIONARY WITH RAINFALL RATES OF NEARLY ONE-HALF INCH PER HOUR.

• EMERGENCY MANAGEMENT AND PUBLIC SAFETY OFFICIALS HAVE REPORTED URBAN FLOODING IN THE TILLAMOOK AREA AS WELL AS HIGHWAY 101 SOUTH OF SEASIDE. SMALL STREAM AND URBAN STREET FLOODING IS HIGHLY LIKELY OVER THE NEXT SEVERAL HOURS.

• PRECAUTIONARY/PREPAREDNESS ACTIONS...

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.