High Wind in Washington, November 16, 2003

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OREGON
230 PM PST SUN NOV 16 2003

.SHORT TERM...A FAST MOVING AREA OF LOW PRESSURE CONTINUES TO MOVE
SOUTHEASTWARD INTO NORTHEAST WASHINGTON.  A WAVE OF SHOWER ACTIVITY
HAS MOVED OUT AHEAD OF THIS SYSTEM AND CURRENTLY ENVELOPES MOST OF
WASHINGTON AND OREGON.  A PRONOUNCED AREA OF DRYING IN THE
UPPER-LEVELS OF THE ATMOSPHERE IS APPARENT BEHIND THE FIRST WAVE OF
MOISTURE.  STRONG WINDS ARE MIXING TO THE SURFACE UNDERNEATH THIS
FEATURE ALONG THE PACIFIC NORTHWEST COAST AND ARE EXPECTED TO MOVE
INTO EASTERN WASHINGTON AND OREGON THIS AFTERNOON.  WINDS WILL BE
SUSTAINED BETWEEN 30 TO 40MPH WITH GUSTS TO 60MPH IN THE EASTERN
COLUMBIA RIVER GORGE...NORTH CENTRAL OREGON...ALONG WITH THE
COLUMBIA BASIN AND BLUE MOUNTAIN FOOTHILLS OF WASHINGTON AND
OREGON.  WINDS WILL REMAIN STRONG THROUGH 11PM.  THEN WILL GRADUALLY
DECREASE OVERNIGHT.  EXPECT WIDESPREAD SHOWER ACTIVITY WITH SNOW
LEVELS AROUND 4000 FEET.  ACCUMULATIONS WILL GENERALLY BE BETWEEN 1
TO 4 INCHES ABOVE 4000 FEET WITH HIGHER ACCUMULATIONS POSSIBLE ABOVE
5000 FEET.

TOMORROW THROUGH WEDNESDAY...ANOTHER WAVE OF OVERRUNNING MOISTURE
WILL MOVE THROUGH THE PACIFIC NORTHWEST TOMORROW NIGHT INTO TUESDAY
MORNING AS A WARM FRONT PASSES OVERHEAD.  FORECAST MODELS IN GOOD
AGREEMENT THAT SHOWERS AND BREEZY CONDITIONS SHOULD BE EXPECTED WITH
SNOW LEVELS ABOVE 5000 FEET.  BY MID-DAY TUESDAY A SHORT WAVE RIDGE
OF HIGH PRESSURE WILL DOMINATE THE WEATHER WITH MAINLY DRY
CONDITIONS PREVAILING AND MILD TEMPERATURES.  AREAS ALONG THE
SOUTHEAST CREST OF THE CASCADES IN WASHINGTON WILL CONTINUE TO SEE
SHOWER ACTIVITY THROUGH THE PERIOD WITH SNOW LEVELS ABOVE 5000
FEET.  MRC

.LONG TERM...WEDNESDAY NIGHT THROUGH SUNDAY...AN UNSETTLED
PROGRESSIVE WEATHER PATTERN WILL CONTINUE EACH DAY THROUGH THE
EXTENDED PERIOD FOR A CHANCE OF RAIN AND MOUNTAIN SNOW EACH DAY.
POLAN

&&

.PRELIMINARY POINT TEMPS/POPS...
PENDLETON (AIRPORT) 39 50 43 55 / 60 20 20 10
WALLA WALLA         42 51 45 55 / 60 20 20 10
TRI-CITIES          39 52 42 55 / 20 10 10 05
YAKIMA              32 47 38 50 / 20 10 10 10
&&

.PDT WATCHES/WARNINGS/ADVISORIES...
OR...HIGH WIND WARNING THROUGH 1000 PM THIS EVENING FOR THE EASTERN
COLUMBIA RIVER GORGE...NORTH CENTRAL OREGON...COLUMBIA BASIN...AND
FOOTHILLS OF THE BLUE MOUNTAINS.
WA...HIGH WIND WARNING THROUGH 1000 PM THIS EVENING FOR THE EASTERN
COLUMBIA RIVER GORGE...COLUMBIA BASIN....AND FOOTHILLS OF THE BLUE
MOUNTAINS.
&&

96

ORZ041>050-WAZ024>030-171300-

HAZARDOUS WEATHER OUTLOOK...UPDATED
NATIONAL WEATHER SERVICE PENDLETON OR
300 PM PST SUN NOV 16 2003

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.

.DAY ONE...TONIGHT

A FAST MOVING FRONT WILL SWEEP ACROSS THE PACIFIC NORTHWEST THIS
EVENING. STRONG WINDS WILL ACCOMPANY THE FRONT WITH DAMAGING WINDS
EXPECTED IN THE EASTERN COLUMBIA RIVER GORGE...THE LOWER COLUMBIA
BASIN...THE BLUE MOUNTAIN FOOTHILLS...AND NORTH CENTRAL OREGON. A
HIGH WIND WARNING HAS BEEN ISSUED FOR THESE AREAS. SEE NPWPDT
WWUS76 KPDT FOR DETAILS.  SNOW SHOWERS WILL CONTINUE AT ELEVATIONS
ABOVE 4000 FEET WITH THE HEAVIEST ACCUMULATIONS IN THE BLUE
MOUNTAINS ABOVE 5000 FEET.  ACCUMULATIONS UP TO 5 INCHES CAN BE
EXPECTED IN THE BLUE MOUNTAINS BY MONDAY MORNING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

SHOWERS WILL LINGER OVER THE MOUNTAINS MONDAY AND TUESDAY. SNOW
LEVELS WILL RISE ABOVE 5500-6000 FEET MONDAY NIGHT AND TUESDAY. AS
THE MAIN STORM TRACK MOVES NORTH INTO CANADA TUESDAY NIGHT AND
WEDNESDAY SOUTHEASTERN WASHINGTON AND OREGON WILL DRY OUT. ANOTHER
SERIES OF STORMS WILL MOVE THROUGH THURSDAY THROUGH SATURDAY. SNOW
LEVELS WILL DECREASE THURSDAY TO 3000-4000 FEET.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION WILL BE LIKELY.

WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.

SMITH

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE PENDLETON OREGON
650 PM PST SUN NOV 16 2003

TIME(PST)  .....CITY LOCATION.....STATE   ...EVENT/REMARKS...
           ....COUNTY LOCATION....

0510 PM    6 WSW HERMISTON           OR   NON TSTM WINDS
11/16/03   UMATILLA                       MESONET SENSOR...591 FT
                                          MSL...REPORTED A WIND
                                          GUST TO 59 MPH.

0600 PM    1 WNW TOLLGATE            OR   SNOW
11/16/03   UMATILLA                       ESTIMATED SNOWFALL OF
                                          7.0 INCHES SINCE 3 AM.
                                          CURRENTLY MODERATE
                                          SNOW, ESTIMATED NORTH
                                          WIND 20-25 MPH, TEMP 31
                                          DEGREES. REPORTED BY
                                          STORM SPOTTER.