Flood Potential Outlook
Issued by NWS Pendleton, OR

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1
000
FGUS76 KPDT 271817
ESFPDT
ORZ050-502-503-505-506-509-WAZ026-027-030-520-281830-

HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
1017 AM PST WED JAN 27 2016

...HIGH SNOW LEVELS WITH RAIN EXPECTED THURSDAY INTO FRIDAY...

A COUPLE OF WARM WEATHER SYSTEMS WILL MOVE THROUGH THE AREA
THURSDAY AND FRIDAY. THE SYSTEMS WILL PRODUCE MODERATE RAIN AND
WILL CAUSE INCREASED RUNOFF WITH RISES EXPECTED ON SMALL STREAMS
AND CREEKS.

ALONG THE EAST SLOPES OF THE WASHINGTON CASCADES, SNOW LEVELS WILL
BE AROUND 7000 FEET ON THURSDAY AND THEN DECREASE TO NEAR 3500
FEET BY FRIDAY AFTERNOON. RAIN AMOUNTS OF 1 TO 1.5 INCHES CAN BE
EXPECTED ALONG THE CREST OF THE MOUNTAINS WITH ONE QUARTER TO
ONE-HALF INCH OVER THE KITTITAS AND YAKIMA VALLEYS.

ALONG THE EAST SLOPES OF THE OREGON CASCADES, SNOW LEVELS WILL
REMAIN ABOVE 8000 FEET THROUGH EARLY FRIDAY AND THEN LOWER TO NEAR
4500 FEET BY LATE FRIDAY. RAIN AMOUNTS OF 0NE HALF INCH TO AROUND
1 INCH ARE EXPECTED WITH THE HIGHEST AMOUNTS NEAR THE CREST OF THE
MOUNTAINS.

FOR THE BLUE AND WALLOWA MOUNTAINS, THE OCHOCO AND JOHN DAY
HIGHLANDS, SNOW LEVELS WILL BE ABOVE 7000 FEET THROUGH EARLY
FRIDAY AND LOWER TO NEAR 5500 FEET BY LATE FRIDAY. RAIN AMOUNTS OF
ONE HALF INCH TO ONE INCH ARE EXPECTED WITH HIGHEST AMOUNTS OVER
THE NORTHERN BLUE MOUNTAINS.

AREAS THAT HAVE SNOW ON THE GROUND INCLUDING SUNRIVER OREGON, CLE
ELUM AND ELLENSBURG WASHINGTON AND NUMEROUS COMMUNITIES WEST OF
YAKIMA MAY SEE PONDING OF WATER, SLUSH BLOCKING STORM DRAINS AND
ROADSIDE DITCHES.

RISES WILL BE SEEN IN THE LARGE RIVERS, BUT FLOODING OF THE LARGE
RIVERS IS NOT EXPECTED. WATER LEVELS WILL BE DECREASING THROUGH
THE WEEKEND AS COOLER AIR MOVES BACK INTO THE REGION.


$$



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.