Hazardous Weather Outlook
Issued by NWS Pendleton, OR

000
FLUS46 KPDT 161250
HWOPDT

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
550 AM PDT SUN JUN 16 2013

ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
171300-
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-JOHN DAY BASIN-OCHOCO-
JOHN DAY HIGHLANDS-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
550 AM PDT SUN JUN 16 2013

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL
OREGON...NORTH CENTRAL OREGON...NORTHEAST OREGON...CENTRAL
WASHINGTON...SOUTH WASHINGTON...SOUTH CENTRAL WASHINGTON AND
SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

A DEEP AND LARGE UPPER LOW WILL CONTINUE OVER THE EASTERN PACIFIC
THROUGH TONIGHT. A SERIES OF DISTURBANCES ROTATING AROUND THIS
LOW WILL BRUSH THE PACIFIC NORTHWEST DURING THIS PERIOD. THESE
DISTURBANCES WILL PRODUCE ISOLATED TO SCATTERED SHOWERS AND
THUNDERSTORMS ACROSS THE REGION, MAINLY THIS AFTERNOON THROUGH
TONIGHT. SOME THUNDERSTORMS MAY PRODUCE SMALL HAIL AND GUSTY
WINDS, ESPECIALLY IN THE AFTERNOON AND EVENING.

.DAYS TWO THROUGH SEVEN...MONDAY THROUGH SATURDAY

THE UPPER LOW WILL GRADUALLY MOVE TOWARDS THE PACIFIC NORTHWEST
MONDAY, THEN IT WILL MOVE SLOWLY THROUGH THE REGION TUESDAY
THROUGH THURSDAY. AS A RESULT, MORE SHOWERS AND THUNDERSTORMS ARE
EXPECTED MONDAY THROUGH THURSDAY. SOME THUNDERSTORMS ON TUESDAY
COULD BE STRONG. WEAK HIGH PRESSURE MAY BUILD INTO THE REGION
FRIDAY AND SATURDAY. THIS HIGH PRESSURE WOULD BRING FAIR AND
MOSTLY DRY CONDITIONS.

$$