Flood in Washington, February 2 to 3, 2003

NORTHEAST OREGON/SOUTHEAST WASHINGTON FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
245 PM PST SUN FEB 2 2003

MOST RIVERS CONTINUE TO RECEDE ACROSS THE AREA. ONLY THE YAKIMA
RIVER NEAR KIONA IS STILL RISING. THIS RIVER IS EXPECTED TO CREST
THIS EVENING...THEN BEGIN RECEDING. THE WALLA WALLA RIVER NEAR
TOUCHET IS HAS GONE BELOW FLOOD STAGE...BUT LOOKS TO REMAIN ABOVE
BANKFULL UNTIL EARLY TUESDAY.

THE GULF OF ALASKA DISTURBANCE HAS BEGUN TO MOVE INTO BRITISH
COLUMBIA. THERE APPEARS TO BE A LITTLE MORE ENERGY DIGGING INTO
SOUTHERN B.C. THAN EARLY EXPECTED. THE SOUTHERN END OF THE SYSTEM
WILL SWING ACROSS WASHINGTON STATE AND INTO IDAHO TONIGHT. DO EXPECT
SOME PRECIP FROM THIS TONIGHT AND MONDAY...MAINLY NEAR THE CREST OF
THE WASHINGTON CASCADES...THE BLUE MOUNTAINS AND THE BLUE MOUNTAIN
FOOTHILLS. OVERALL CHANCES ARE LOW AND ANY AMOUNTS SHOULD BE LIGHT.
THE DISTURBANCES NORTHERN ENERGY WILL MOVE SOUTH OUT OF B.C. AND
ACROSS THE PACNW TUESDAY AS THE UPPER RIDGE BUILDS OFFSHORE AND A
NORTHERLY FLOW DEVELOPS ALOFT. NORTH FLOWS WITH WEAK IMBEDDED WAVES
TEND TO RESULT IN LIGHT UP SLOPE PRECIP PERSISTING IN THE BLUES
MOUNTAINS AS WELL AS WALLOWA AND GRANT COUNTIES IN EASTERN OREGON.
THUS WILL CONTINUE LOW LEVEL POPS MONDAY NIGHT AND TUESDAY. THE CORE
OF NORTHERLY FLOW LOOKS TO SHIFT EAST ENOUGH BY WEDNESDAY TO DRY OUT
THE FORECAST. EXPECT COOLER AIR TO FILTER INTO THE AREA MONDAY
THROUGH WEDNESDAY AS WELL. GKH

EXTENDED...RIDGING JUST OFF THE COAST WILL PERSIST THROUGH THE
PERIOD. NORTHERLY TO NORTHEASTERLY FLOW WILL KEEP TEMPERATURES AT OR
BELOW NORMAL...WITH VERY LITTLE MOISTURE ADVECTING INTO THE AREA. JR

PDT 2210  ALW 2210  PSC -000  YKM 0000

.KPDT...FLOOD WARNING FOR THE YAKIMA RIVER AT KIONA.

ORZ041>050-WAZ024>030-021300-
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
500 AM PST SUN FEB 2 2003

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

.DAY ONE...TODAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

PREVIOUS DAYS RAINS HAD RUNOFF AND CAUSED FLOODING IN THE AREAS
RIVERS. THIS WILL CONTINUE TODAY ACROSS PORTIONS OF SOUTH CENTRAL
WASHINGTON AND NORTHEAST OREGON SPECIFICALLY ALONG THE EAST SLOPES
OF THE WASHINGTON CASCADES AS WELL AS THE WALLA WALLA RIVER AT
TOUCHET...SEE THE FLOOD WARNING (PDXFLWPDT AND PDXFLSPDT) FOR MORE
INFORMATION.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW.

WATER IN THE AREAS RIVERS WILL DECREASE AS HIGH PRESSURE BRINGS DRY
CONDITIONS THROUGH THE REMAINDER OF THE WEEK.

.SPOTTER INFORMATION STATEMENT...

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