434
FGUS76 KOTX 042306
ESFOTX
IDC009-017-055-057-079-WAC007-051-063-065-075-050015-
HYDROLOGIC OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
306 PM PST MON DEC 4 2023
...PERIODS OF MODERATE TO HEAVY RAINFALL NEXT WEEK RESULTING IN
RISES ON RIVERS AND CREEKS ALONG WITH POTENTIAL FOR MINOR URBAN
FLOODING...
A PLUME OF SUBTROPICAL MOISTURE WILL BECOME AIMED AT THE PACIFIC
NORTHWEST TUESDAY AND WEDNESDAY PROMOTING MILD CONDITIONS AND
PERIODS OF MODERATE TO HEAVY RAINFALL. TEMPERATURES FOR MOST
ELEVATIONS BELOW 5000 FEET WILL WARM ABOVE FREEZING TUESDAY AND
REMAIN ABOVE FREEZING THROUGH THURSDAY MORNING LEADING TO INCREASED
SNOWMELT. RAINFALL AMOUNTS WILL BE BETWEEN ONE AND THREE INCHES OVER
THE 48 HOUR PERIOD. LOCAL RAINFALL AMOUNTS ALONG THE CASCADE CREST
UP TO FIVE INCHES.
THE COMBINATION OF SNOWMELT AND RAINFALL WILL LEAD TO EXCESS RUNOFF
LEADING TO RISING CREEKS, STREAMS, AND RIVERS. AT THIS TIME, MAIN
STEM RIVER FLOODING IS NOT EXPECTED HOWEVER SEVERAL SMALLER
TRIBUTARIES COULD APPROACH OR EXCEED BANKFULL.
URBAN AREAS WITH BLOCKED DRAINAGES MAY ALSO EXPERIENCE MINOR
FLOODING. MUD AND ROCKSLIDES WILL BE POSSIBLE IN AREAS OF STEEP
TERRAIN.
SVH
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