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 FXUS66 KOTX 100621
 AFDOTX
 
 AREA FORECAST DISCUSSION
 NATIONAL WEATHER SERVICE SPOKANE WA
 1021 PM PST TUE FEB 9 2010
 
 .SYNOPSIS...WEAK HIGH PRESSURE OVER THE NORTHWEST WILL MAINTAIN
 DRY BUT VARIABLY CLOUDY CONDITIONS TONIGHT THROUGH WEDNESDAY
 MORNING. A STORM SYSTEM WILL SPREAD A CHANCE OF VALLEY RAIN AND
 SNOW MIX AND MOUNTAIN SNOW OVER THE REGION WEDNESDAY AFTERNOON AND
 WEDNESDAY NIGHT. A SERIES OF STORM SYSTEMS WILL HAVE THE POTENTIAL
 TO BRING MOUNTAIN SNOW AND VALLEY RAIN TO THE NORTHWEST THROUGH
 EARLY NEXT WEEK.
 
 
 &&
 
 .DISCUSSION...
 UPDATE...NO MAJOR CHANGES MADE TO THE ONGOING FORECAST. WEAK
 IMPULSE RIDING TO THE NORTH WILL STILL BRING THE POTENTIAL FOR
 LIGHT FLURRIES/SPRINKLES/SNOW SHOWERS NEAR THE NRN WA/ID
 PANHANDLE MTNS. OTHERWISE THE 00Z SOUNDING AND ITS SUBSIDENCE
 INVERSION AROUND 700 MBS HAS KEPT A STRATUS DECK NEAR 5-7KFT AGL.
 SOME VIRGA HAS BEEN REPORTED...BUT NOTHING HAS BEEN REPORTED AS
 REACHING THE GROUND. THIS ALSO DOES NOT SEEM TOO SURPRISING GIVEN
 THE COMPARATIVELY DRIER AIR ABOVE AND BELOW THE INVERSION. THE
 TRICKIEST PART OF THE FORECAST FOR TONIGHT IS CLOUD COVER. SOME OF
 IT HAS BEEN BREAKING UP NEAR THE CASCADES AND TOWARD THE DEEPER
 BASIN. HOW MUCH CLEARING EXPANDS EAST IS LESS CERTAIN...BUT IT HAS
 NOT BEEN HAPPENING QUICKLY AND THE FORECAST CONTINUES TO CALL FOR
 CLOUDY TO MOSTLY CLOUDY SKIES. THERE IS STILL SOME POTENTIAL FOR
 PATCHY FOG THROUGH THE NIGHT...BUT MAJOR IMPACTS FROM DENSE FOG
 ARE NOT EXPECTED. TEMPERATURES ARE GENERALLY ON TRACK TO REACH OR
 COME IN A DEGREE OR TWO OF CURRENT FORECAST LOWS. /JCOTE
 
 &&
 
 .AVIATION...
 06Z TAFS...VFR CONDITIONS PREVAIL TONIGHT UNDER A WEAK RIDGE. AN
 INVERSION NEAR 5-7KFT WILL HELP HOLD A DECK IN PLACE OVER MUCH
 OF THE NIGHT INTO WEDNESDAY...WITH THE THE POTENTIAL FOR SOME
 BREAK UP LATE. A SYSTEM SWINGING IN FROM WEST WEDNESDAY AFTERNOON
 INTO WEDNESDAY NIGHT WILL BRING LOWERING CLOUDS AND INCREASING
 RAIN CHANCES...STARTING ESPECIALLY PAST 22-03Z. MVFR/LCL IFR CIGS
 ARE POSSIBLE AFTER 01-03Z THURSDAY (WEDNESDAY NIGHT). /JCOTE
 
 
 &&
 
 .PRELIMINARY POINT TEMPS/POPS...
 SPOKANE        31  42  32  42  36  43 /  10  20  50  60  70  30 
 COEUR D`ALENE  31  41  31  41  34  43 /  10  20  50  60  70  60 
 PULLMAN        32  45  33  46  37  46 /  10  10  60  60  50  40 
 LEWISTON       34  51  37  49  40  51 /   0   0  50  40  30  20 
 COLVILLE       30  40  31  40  34  43 /  10  50  40  60  70  60 
 SANDPOINT      30  39  30  39  34  41 /  10  40  50  60  70  60 
 KELLOGG        30  39  31  39  34  42 /  10  20  70  50  70  60 
 MOSES LAKE     32  45  34  43  37  48 /   0  30  20  50  50  20 
 WENATCHEE      31  40  31  40  35  46 /   0  40  20  50  50  20 
 OMAK           30  39  31  39  33  44 /   0  40  20  50  70  20 
 
 &&
 
 .OTX WATCHES/WARNINGS/ADVISORIES...
 ID...NONE.
 WA...NONE.
 &&
 
 $$
 
 
 
 
 
 
 

Webmaster
US Dept of Commerce
National Oceanic and Atmospheric Administration
National Weather Service
Spokane Weather Forecast Office
2601 N. Rambo Rd.
Spokane, Washington 99224

Tel: (509) 244-0110