From the National Weather Service: HYDROLOGIC OUTLOOK, HEAVY RAIN EXPECTED ACROSS SOUTHWEST WASHINGTON AND NORTHWEST OREGON THIS WEEKEND HYDROLOGIC OUTLOOK NATIONAL WEATHER SERVICE PORTLAND OR 105 PM PST FRI JAN 16 2015 ...HEAVY RAIN EXPECTED ACROSS SOUTHWEST WASHINGTON AND NORTHWEST OREGON THIS WEEKEND... A STRONG AND VERY MOIST PACIFIC FRONTAL SYSTEM IS EXPECTED TO IMPACT SOUTHWEST WASHINGTON AND NORTHWEST OREGON THIS WEEKEND...BRINGING PERIODS OF HEAVY RAIN TO THE REGION. A WARM FRONT WILL BEGIN TO SPREAD RAIN ACROSS THE AREA LATER TONIGHT AND SATURDAY. RAIN IS EXPECTED TO BE HEAVY AT TIMES SATURDAY AFTERNOON AND EVENING BEFORE TAPERING TO SHOWERS AFTER A COLD FRONT MOVES THROUGH EARLY SUNDAY MORNING. RAINFALL TOTALS THIS WEEKEND ARE EXPECTED TO RANGE FROM ONE AND A HALF TO TWO AND A HALF INCHES IN THE INTERIOR VALLEYS...2 TO 4 INCHES IN COASTAL AREAS AND THE NORTH OREGON CASCADES...AND 3 TO 6 INCHES IN THE COAST RANGE...WILLAPA HILLS...AND SOUTH WASHINGTON CASCADES. SNOW LEVELS ARE EXPECTED TO BE WELL ABOVE THE CASCADE PASSES DURING THE MAJORITY OF THIS EVENT...SO SIGNIFICANT RISES ARE EXPECTED ON MOST RIVERS AND STREAMS IN SOUTHWEST WASHINGTON AND NORTHWEST OREGON. MINOR FLOODING IS POSSIBLE ON SOME OF THE MORE RESPONSIVE RIVERS AND SMALL STREAMS...SUCH AS THE GRAYS RIVER IN WAHKIAKUM COUNTY AND JOHNSON CREEK IN SOUTHEAST PORTLAND. ADDITIONALLY...HEAVY RAINFALL MAY RESULT IN MINOR URBAN FLOODING IN AREAS OF POOR DRAINAGE. STAY UP TO DATE WITH THE LATEST NWS FORECASTS AT WEATHER.GOV/PORTLAND OR MOBILE.WEATHER.GOV RIVER FORECASTS ARE AVAILABLE ON OUR WEB PAGE AT HTTP://WATER.WEATHER.GOV/AHPS2/INDEX.PHP?WFO=PQR (ALL LOWER CASE).
Posted on: Fri, 16 Jan 2015 21:26:34 +0000
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