FXUS66 KOTX 150222
AFDOTX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
622 PM PST MON DEC 14 2009
.SYNOPSIS...
A SERIES OF STORM SYSTEMS WILL BRING SIGNIFICANT SNOW TO MUCH OF
THE INLAND NORTHWEST. THE FIRST SYSTEM WILL ARRIVE TONIGHT AND
LINGER INTO TUESDAY MORNING. THE SECOND SYSTEM WILL FOLLOW QUICKLY
ON ITS HEELS TUESDAY NIGHT INTO WEDNESDAY MORNING...WITH A THIRD
WEDNESDAY NIGHT. TEMPERATURES WILL WARM WITH EACH SYSTEM...TURNING
THE SNOW TO RAIN FROM THE SOUTH. THE MOST SIGNIFICANT SNOW OF THE
SEASON SO FAR IS LIKELY AROUND AND NORTH OF WENATCHEE...MOSES
LAKE...SPOKANE...AND COEUR D'ALENE.
&&
.DISCUSSION...QUICK UPDATE TO DELAY SOME OF THE TIMES THE EARLIER
ISSUED WINTER STORM WARNINGS AND WINTER WEATHER ADVISORIES GO INTO
EFFECT OVERNIGHT AS MOISTURE PLUME THAT WILL BE RESPONSIBLE FOR
THE HEAVIER STRATOFORM SNOWFALL IS A BIT SLOWER THAN EXPECTED IN
GETTING IN POSITION TO GET IT GOING. MIGHT HAVE SOME SNOWFALL
BEFORE THEN BUT THE HEAVIER SNOWFALL RATES FOR THE SPOKANE AND
COEUR D' ALENE AREA UP TO SANDPOINT AND DOWN TO PULLMAN AND AROUND
LEWISTON LOOK TO GET STARTED AFTER MIDNIGHT. /PELATTI
&&
.AVIATION...
SNOW WILL DEVELOP FROM SW TO NE STARTING AROUND 02Z THIS EVENING.
THIS SN WILL BECOME MODERATE TO HEAVY AT TIMES OVERNIGHT FOR MOST
LOCATIONS...WITH ONLY KLWS SEEING A MIXING OF RA WITH THE SN. SN
WILL GRADUALLY WIND DOWN FROM W TO E DURING THE LATE MORNING HOURS
TUESDAY...WITH -DZ/-FZDZ LINGERING THROUGH THE DAY. A SECOND STORM
ENTERS THE WESTERN SITES BY TUES AFTERNOON WITH -SN DEVELOPING YET
AGAIN AROUND KEAT AND KMWH. /FRIES
&&
.PRELIMINARY POINT TEMPS/POPS...
SPOKANE 22 32 31 36 31 35 / 100 100 90 60 60 20
COEUR D'ALENE 22 33 32 37 30 36 / 90 100 90 60 70 20
PULLMAN 26 36 34 40 33 39 / 80 90 80 50 50 30
LEWISTON 31 42 38 44 35 43 / 60 80 70 60 40 30
COLVILLE 18 30 29 36 32 36 / 100 100 100 80 80 20
SANDPOINT 16 29 28 32 30 33 / 100 100 100 80 80 40
KELLOGG 21 33 31 38 32 36 / 90 100 100 80 80 60
MOSES LAKE 21 30 29 36 27 35 / 100 60 80 40 50 20
WENATCHEE 19 27 26 31 26 33 / 100 70 80 40 30 20
OMAK 14 26 25 31 26 33 / 100 50 100 60 60 20
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 4 PM PST
TUESDAY FOR IDAHO PALOUSE.
WINTER STORM WARNING FROM 1 AM TUESDAY TO 4 AM PST WEDNESDAY FOR
NORTHERN PANHANDLE.
WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO 4 PM PST TUESDAY
FOR COEUR D'ALENE AREA.
WINTER STORM WARNING FROM 2 AM TUESDAY TO 4 AM PST WEDNESDAY FOR
CENTRAL PANHANDLE MOUNTAINS.
WA...WINTER STORM WARNING UNTIL 10 PM PST TUESDAY FOR OKANOGAN
HIGHLANDS...OKANOGAN VALLEY.
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 4 PM PST
TUESDAY FOR NORTHEAST BLUE MOUNTAINS.
WINTER WEATHER ADVISORY FROM MIDNIGHT TONIGHT TO 4 PM PST
TUESDAY FOR WASHINGTON PALOUSE.
WINTER STORM WARNING UNTIL 4 PM PST TUESDAY FOR MOSES LAKE
AREA...UPPER COLUMBIA BASIN.
WINTER STORM WARNING FROM 1 AM TUESDAY TO 4 AM PST WEDNESDAY FOR
NORTHEAST MOUNTAINS.
WINTER STORM WARNING FROM MIDNIGHT TONIGHT TO 4 PM PST TUESDAY
FOR SPOKANE AREA.
WINTER STORM WARNING UNTIL 10 PM PST TUESDAY FOR WATERVILLE
PLATEAU...WENATCHEE AREA.
WINTER STORM WARNING UNTIL 10 PM PST TUESDAY FOR EAST SLOPES
NORTHERN CASCADES.
&&
$$
