Alert archive / Idaho / Winter Storm Warnings in 2009

Winter Storm Warning 20, NWS Spokane, WA

February 25, 20096 counties in Idaho; 5 counties in Washington

NWS Spokane, WA issued this winter storm warning at Feb 25, 2009, 3:08 PM PST for 6 counties in Idaho; 5 counties in Washington. It took effect at Feb 26, 2009, 1:00 AM PST. It was in force for 14 hr. 6 reports came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Feb 25, 2009, 3:08 PM PST (23:08 UTC)
In effect from
Feb 26, 2009, 1:00 AM PST
Expired
Feb 26, 2009, 2:40 PM PST
In force
14 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Bonner County, ID, Boundary County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID, Ferry County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA

The radar

The Spokane radar (KOTX), 43 km from the middle of the area, began a volume at 23:11 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 26, 5:06 AM PSTHEAVY SNOW 46 Nnw Sandpoint, IDSCHWEITZER MOUNTAIN SKI RESORT
Feb 26, 5:15 AM PSTHEAVY SNOW 2311 E Wallace, IDLOOKOUT PASS SKI RESORT
Feb 26, 7:00 AM PSTHEAVY SNOW 44 Ne Viola, IDCOCORAHS
Feb 26, 8:11 AM PSTHEAVY SNOW 245 S Kellogg, IDSILVER MOUNTAIN SKI RESORT
Feb 26, 9:30 AM PSTHEAVY SNOW 47 S Liberty Lake, WASPOKANE 133 - ELEVATION 3000 FT
Feb 26, 9:35 AM PSTHEAVY SNOW 411 Nnw Hauser, WAMOUNT SPOKANE SKI RESORT

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 11.1 hours before the alert went out and 71 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2009-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2009-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 126 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
716 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
126 m²/s²
0-3 km storm-relative helicity
133 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS46 KOTX 252308
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
308 PM PST WED FEB 25 2009

...LATE SEASON WINTER STORM SYSTEM...

.STRONG LOW PRESSURE WILL MOVE ACROSS THE PACIFIC NORTHWEST 
THURSDAY...DRAWING IN MOISTURE FROM THE SOUTHWEST AND INTERACTING
WITH COLDER AND UNSTABLE AIR TO BRING SNOW TO PARTS OF THE INLAND
NORTHWEST. SIGNIFICANT SNOWFALL IS PROJECTED FOR PORTIONS OF
THE NORTHEAST WASHINGTON MOUNTAINS AND IDAHO PANHANDLE. A MIXTURE
OF RAIN AND SNOW ACROSS THE SPOKANE AND COEUR DALENE AREA...AS
WELL AS THE PALOUSE...IS EXPECTED TO TRANSITION TO MAINLY SNOW
ESPECIALLY IN ELEVATIONS ABOVE 2000 TO 2500 FEET. AFTER A
RELATIVELY MILD PERIOD AND LACK OF SIGNIFICANT SNOW...THIS WILL 
OFFER THE POTENTIAL FOR LIGHT TO MODERATE ACCUMULATIONS IN THESE
AREAS.

IDZ001-004-WAZ037-260715-
/O.NEW.KOTX.WS.W.0020.090226T1200Z-090227T0600Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...
FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
308 PM PST WED FEB 25 2009

...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST
THURSDAY.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES PROJECTED IN VALLEYS...WITH
LOCAL AMOUNTS UP TO 6. ACCUMULATIONS OF 5 TO 10 INCHES EXPECTED IN
THE MOUNTAINS...WITH LOCAL AMOUNTS NEAR A FOOT. SNOW IS EXPECTED
TO INCREASE IN INTENSITY LATE THURSDAY MORNING INTO THURSDAY
AFTERNOON...BEFORE STARTING DECREASE THURSDAY NIGHT INTO FRIDAY 
MORNING. SOME OF THE HEAVIER SNOW BANDS ARE PROJECTED TO SET-UP
SOUTH OF A LINE FROM COLVILLE TO SANDPOINT INTO THE CENTRAL
PANHANDLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS
OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

$$

IDZ003-WAZ033-036-260715-
/O.NEW.KOTX.WW.Y.0023.090226T1500Z-090227T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-SPOKANE AREA-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...ROCKFORD
308 PM PST WED FEB 25 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 4 PM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 AM TO 4 PM
PST THURSDAY.

SNOW ACCUMULATIONS OF 1 TO 2 INCHES WITH LOCAL AMOUNTS TO 3 INCHES
ARE PROJECTED...ESPECIALLY ABOVE 2000 FEET. A MIXTURE OF RAIN AND
SNOW IS EXPECTED TO TRANSITION TO ALL SNOW THROUGH THURSDAY
MORNING. TEMPERATURES HOVERING AROUND OR JUST ABOVE FREEZING MAY
HELP TO INHIBIT ACCUMULATIONS...ESPECIALLY BELOW 2000 FEET.
PRECIPITATION IS THEN EXPECTED TO DECREASE TOWARD THURSDAY EVENING

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...
POTLATCH...GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...
OAKESDALE...TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...
ROCKFORD.

$$

IDZ002-260715-
/O.NEW.KOTX.WW.Y.0023.090226T1500Z-090227T0600Z/
COEUR DALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...COEUR DALENE...POST FALLS...
HAYDEN...WORLEY
308 PM PST WED FEB 25 2009

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 AM TO 10 PM PST
THURSDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 7 AM TO 
10 PM PST THURSDAY.

SNOW ACCUMULATIONS OF 2 TO 3 INCHES EXPECTED...WITH LOCAL AMOUNTS
UP TO 5 INCHES. A MIX OF RAIN AND SNOW THURSDAY MORNING IS
EXPECTED TO TRANSITION TO ALL SNOW AND CONTINUE INTO THURSDAY
EVENING...BEFORE DISSIPATING OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY.

$$
5 follow-up statements
000 
WWUS46 KOTX 260529
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
929 PM PST WED FEB 25 2009

...LATE SEASON WINTER STORM SYSTEM...

.STRONG LOW PRESSURE WILL MOVE ACROSS THE PACIFIC NORTHWEST
THURSDAY...DRAWING IN MOISTURE FROM THE SOUTHWEST AND INTERACTING
WITH COLDER AND UNSTABLE AIR TO BRING SNOW TO PARTS OF THE INLAND
NORTHWEST. SIGNIFICANT SNOWFALL IS PROJECTED FOR PORTIONS OF THE
NORTHEAST WASHINGTON MOUNTAINS AND IDAHO PANHANDLE. A MIXTURE OF
RAIN AND SNOW ACROSS THE SPOKANE AND COEUR DALENE AREA...AS WELL
AS THE PALOUSE...IS EXPECTED TO TRANSITION TO MAINLY SNOW
ESPECIALLY IN ELEVATIONS ABOVE 2000 TO 2500 FEET. AFTER A
RELATIVELY MILD PERIOD AND LACK OF SIGNIFICANT SNOW...THIS WILL
OFFER THE POTENTIAL FOR LIGHT TO MODERATE ACCUMULATIONS IN THESE
AREAS.

IDZ001-004-WAZ037-261500-
/O.EXT.KOTX.WS.W.0020.090226T0900Z-090227T0600Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...
FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
929 PM PST WED FEB 25 2009

...WINTER STORM WARNING NOW IN EFFECT FROM 1 AM TO 10 PM PST
THURSDAY...

THE WINTER STORM WARNING FOR HEAVY SNOW IS IN EFFECT FROM 1 AM TO
10 PM PST THURSDAY.

SNOW ACCUMULATIONS OF 2 TO 4 INCHES PROJECTED IN VALLEYS...WITH
LOCAL AMOUNTS UP TO 6. ACCUMULATIONS OF 5 TO 10 INCHES EXPECTED
IN THE MOUNTAINS...WITH LOCAL AMOUNTS NEAR A FOOT. SNOW IS
EXPECTED TO INCREASE IN INTENSITY LATE THURSDAY MORNING INTO
THURSDAY AFTERNOON...BEFORE STARTING DECREASE THURSDAY NIGHT INTO
FRIDAY MORNING. SOME OF THE HEAVIER SNOW BANDS ARE PROJECTED TO
SET-UP SOUTH OF A LINE FROM COLVILLE TO SANDPOINT INTO THE
CENTRAL PANHANDLE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS
OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.



$$

WAZ042-043-261500-
/O.EXB.KOTX.WW.Y.0023.090226T0700Z-090226T1500Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...TWISP...WINTHROP...
STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS
929 PM PST WED FEB 25 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 AM PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 7 AM PST
THURSDAY.

SNOW ACCUMULATIONS OF 1 TO 2 INCHES WITH LOCAL AMOUNTS UP TO 
4 INCHES ARE PROJECTED MAINLY NORTH OF LAKE CHELAN. SNOW LEVELS 
WILL BEGIN NEAR 3000 FEET BUT LOWER THROUGH THE NIGHT AS AN ARCTIC
BOUNDARY SAGS SOUTH. SNOW DEVELOPING ALONG THIS BOUNDARY WILL
BECOME HEAVY AT TIMES PRODUCING SNOWFALL RATES OF 1-2 INCHES PER
HOUR. DUE TO THE CONVECTIVE NATURE OF THIS SYSTEM...WIDESPREAD
HEAVY ACCUMULATIONS ARE NOT ANTICIPATED BUT LOCAL SNOW BANDS WILL 
BE CAPABLE OF THE AFOREMENTIONED SNOW AMOUNTS.

IN ADDITION TO VALLEY LOCATIONS...MOTORISTS SHOULD BE PREPARED 
FOR HEAVY SNOW WHILE TRAVELING ACROSS THE CASCADE MOUNTAIN 
PASSES INCLUDING STEVENS AND LOUP LOUP WHICH ARE EXPECTED
TO RECEIVE 3 TO 6 INCHES.


PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MAZAMA...TWISP...
WINTHROP...STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...
OKANOGAN...BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL
PASS.

$$

WAZ038-261500-
/O.EXB.KOTX.WW.Y.0023.090226T0700Z-090226T1800Z/
OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
929 PM PST WED FEB 25 2009

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 10 AM PST THURSDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 10 AM PST
THURSDAY.

SNOW ACCUMULATIONS OF 2 TO 3 INCHES WITH LOCAL AMOUNTS UP TO 
6 INCHES ARE PROJECTED. SNOW LEVELS WILL BEGIN NEAR 3000 FEET BUT
LOWER THROUGH THE NIGHT AS AN ARCTIC BOUNDARY SAGS SOUTH. SNOW
DEVELOPING ALONG THIS BOUNDARY WILL BECOME HEAVY AT TIMES WITH
SNOWFALL RATES OF 1-2 INCHES PER HOUR. DUE TO THE CONVECTIVE 
NATURE OF THIS SYSTEM...WIDESPREAD HEAVY ACCUMULATIONS ARE NOT
ANTICIPATED BUT LOCAL SNOW BANDS WILL BE CAPABLE OF THE
AFOREMENTIONED SNOW AMOUNTS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER
CREEK ROAD...SHERMAN PASS.

$$

IDZ003-WAZ033-036-261500-
/O.CON.KOTX.WW.Y.0023.090226T1500Z-090227T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-SPOKANE AREA-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...ROCKFORD
929 PM PST WED FEB 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 4 PM
PST THURSDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT FROM 7 AM TO
4 PM PST THURSDAY.

SNOW ACCUMULATIONS OF 1 TO 2 INCHES WITH LOCAL AMOUNTS TO
3 INCHES ARE PROJECTED...ESPECIALLY ABOVE 2000 FEET. A MIXTURE OF
RAIN AND SNOW IS EXPECTED TO TRANSITION TO ALL SNOW THROUGH
THURSDAY MORNING. TEMPERATURES HOVERING AROUND OR JUST ABOVE
FREEZING MAY HELP TO INHIBIT ACCUMULATIONS...ESPECIALLY BELOW
2000 FEET. PRECIPITATION IS THEN EXPECTED TO DECREASE TOWARD
THURSDAY EVENING

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...
POTLATCH...GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...
OAKESDALE...TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...
ROCKFORD.



$$

IDZ002-261500-
/O.CON.KOTX.WW.Y.0023.090226T1500Z-090227T0600Z/
COEUR DALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...COEUR DALENE...POST FALLS...
HAYDEN...WORLEY
929 PM PST WED FEB 25 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 7 AM TO 10 PM
PST THURSDAY...

A WINTER WEATHER ADVISORY FOR SNOW REMAINS IN EFFECT FROM 7 AM TO
10 PM PST THURSDAY.

SNOW ACCUMULATIONS OF 2 TO 3 INCHES EXPECTED...WITH LOCAL AMOUNTS
UP TO 5 INCHES. A MIX OF RAIN AND SNOW THURSDAY MORNING IS
EXPECTED TO TRANSITION TO ALL SNOW AND CONTINUE INTO THURSDAY
EVENING...BEFORE DISSIPATING OVERNIGHT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY.


$$
000 
WWUS46 KOTX 261327
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
527 AM PST THU FEB 26 2009

...LATE SEASON WINTER STORM SYSTEM...

IDZ001-004-WAZ037-261600-
/O.CON.KOTX.WS.W.0020.000000T0000Z-090227T0600Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...
FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
527 AM PST THU FEB 26 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. 

SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BY THIS EVENING
IN THE VALLEYS OF THE NORTHERN AND CENTRAL IDAHO PANHANDLE...AS
WELL AS IN THE VALLEYS OF THE NORTHEAST WASHINGTON MOUNTAINS.
LOCAL AMOUNTS AS HIGH AS 5 INCHES WILL BE POSSIBLE IN THE SILVER
VALLEY AROUND WALLACE AND KELLOGG...BUT MOST LOW ELEVATION SPOTS
AROUND SANDPOINT...COLVILLE...AND METALINE FALLS CAN EXPECT 1 TO
3 INCHES OF SNOW BY THIS EVENING.

FOR THE MOUNTAINS...THE MOST SIGNIFICANT ACCUMULATIONS WILL BE IN
THE MOUNTAINS OF THE CENTRAL IDAHO PANHANDLE. STORM TOTAL
ACCUMULATIONS OF OVER A FOOT WILL BE POSSIBLE AROUND LOOKOUT PASS.
MOTORISTS SHOULD BE PREPARED FOR POOR DRIVING CONDITIONS...
ESPECIALLY AT ELEVATIONS ABOVE 3500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS
OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

$$

IDZ003-WAZ033-036-261600-
/O.CON.KOTX.WW.Y.0023.090226T1500Z-090227T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-SPOKANE AREA-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...ROCKFORD
527 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW ACCUMULATIONS OF 1 TO 2 INCHES WILL BE POSSIBLE TODAY IN THE
SPOKANE...AND PULLMAN AREAS. THE MOST SIGNIFICANT ACCUMULATIONS
WILL BE ABOVE 2000 FEET. FOR ELEVATIONS BELOW 2000 FEET INCLUDING
DOWNTOWN SPOKANE AND SPOKANE VALLEY...ACCUMULATIONS WILL LIKELY BE
LESS THAN AN INCH TODAY.

FOR THE IDAHO PALOUSE...A FEW SPOTS ABOVE 2500 FEET AROUND MOSCOW
MAY RECEIVE AMOUNTS AS HIGH AS 4 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...
POTLATCH...GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...
OAKESDALE...TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...
ROCKFORD.

THIS INCLUDES THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...
POTLATCH...GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...
OAKESDALE...TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...
ROCKFORD.

$$

IDZ002-261600-
/O.CON.KOTX.WW.Y.0023.090226T1500Z-090227T0600Z/
COEUR DALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...COEUR DALENE...POST FALLS...
HAYDEN...WORLEY
527 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. 

SNOW ACCUMULATIONS OF 2 TO 3 INCHES ARE EXPECTED BY EARLY THIS
EVENING...WITH LOCAL AMOUNTS UP TO 5 INCHES. THE MOST SIGNIFICANT
AMOUNTS WILL BE ABOVE 3000 FEET. SOME HIGHER ELEVATIONS AROUND 
HARRISON AND LAKE COEUR DALENE COULD RECEIVE AS MUCH AS 4 INCHES
OF SNOW TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY.

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY.

$$

WAZ042-043-261500-
/O.CON.KOTX.WW.Y.0023.000000T0000Z-090226T1500Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...TWISP...WINTHROP...
STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS
527 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST THIS
MORNING. 

SNOW WILL COME TO AN END THIS MORNING OVER THE NORTHERN WASHINGTON
CASCADES. TOTAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED
IN THE METHOW VALLEY BY SUNRISE. THE HIGHEST SNOW TOTALS WILL BE
ALONG THE CASCADE CREST WHERE 4 TO 6 INCHES WILL BE COMMON.
MOTORISTS SHOULD BE PREPARED FOR TREACHEROUS DRIVING CONDITIONS ON
HIGHWAY 2 OVER STEVEN PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MAZAMA...TWISP...
WINTHROP...STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...
OKANOGAN...BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL
PASS.

THIS INCLUDES THE FOLLOWING LOCATIONS...MAZAMA...TWISP...
WINTHROP...STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...
OKANOGAN...BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL
PASS.

$$

WAZ038-261600-
/O.CON.KOTX.WW.Y.0023.000000T0000Z-090226T1800Z/
OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
527 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

SNOW ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED BY LATE THIS
MORNING IN THE OKANOGAN VALLEY. THE SNOW WILL BE ACCOMPANIED BY
GUSTY NORTH WINDS. GUSTS AS HIGH AS 35 MPH WILL BE POSSIBLE AROUND
OROVILLE AND TONASKET. MOTORISTS SHOULD BE PREPARED FOR TEMPORARY
VISIBILITY RESTRICTIONS DUE TO BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER
CREEK ROAD...SHERMAN PASS.

THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER
CREEK ROAD...SHERMAN PASS.

$$
000 
WWUS46 KOTX 261424
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
624 AM PST THU FEB 26 2009

...LATE SEASON WINTER STORM SYSTEM...

IDZ001-004-WAZ037-262230-
/O.CON.KOTX.WS.W.0020.000000T0000Z-090227T0600Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...
FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
624 AM PST THU FEB 26 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. 

SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BY THIS EVENING
IN THE VALLEYS OF THE NORTHERN AND CENTRAL IDAHO PANHANDLE...AS
WELL AS IN THE VALLEYS OF THE NORTHEAST WASHINGTON MOUNTAINS.
LOCAL AMOUNTS AS HIGH AS 5 INCHES WILL BE POSSIBLE IN THE SILVER
VALLEY AROUND WALLACE AND KELLOGG...BUT MOST LOW ELEVATION SPOTS
AROUND SANDPOINT...COLVILLE...AND METALINE FALLS CAN EXPECT 1 TO
3 INCHES OF SNOW BY THIS EVENING.

FOR THE MOUNTAINS...THE MOST SIGNIFICANT ACCUMULATIONS WILL BE IN
THE MOUNTAINS OF THE CENTRAL IDAHO PANHANDLE. STORM TOTAL
ACCUMULATIONS OF OVER A FOOT WILL BE POSSIBLE AROUND LOOKOUT
PASS. MOTORISTS SHOULD BE PREPARED FOR POOR DRIVING CONDITIONS...
ESPECIALLY AT ELEVATIONS ABOVE 3500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS
OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

$$

IDZ002-262230-
/O.EXT.KOTX.WW.Y.0023.090226T1500Z-090227T0000Z/
COEUR DALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...COEUR DALENE...POST FALLS...
HAYDEN...WORLEY
624 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW ACCUMULATIONS OF 2 TO 3 INCHES ARE EXPECTED BY EARLY THIS
EVENING. THE MOST SIGNIFICANT AMOUNTS WILL BE ABOVE 3000 FEET.
SOME HIGHER ELEVATIONS AROUND HARRISON AND LAKE COEUR DALENE
COULD RECEIVE AS MUCH AS 4 INCHES OF SNOW TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY.

$$

WAZ042-043-261800-
/O.EXT.KOTX.WW.Y.0023.000000T0000Z-090226T1800Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...TWISP...WINTHROP...
STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS
624 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING...

THE WINTER WEATHER ADVISORY IS NOW IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

SNOW WILL COME TO AN END THIS MORNING OVER THE NORTHERN
WASHINGTON CASCADES. TOTAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES
ARE EXPECTED IN THE METHOW VALLEY BY SUNRISE. THE HIGHEST SNOW
TOTALS WILL BE ALONG THE CASCADE CREST WHERE 4 TO 6 INCHES WILL
BE COMMON. MOTORISTS SHOULD BE PREPARED FOR TREACHEROUS DRIVING
CONDITIONS ON HIGHWAY 2 OVER STEVEN PASS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MAZAMA...TWISP...
WINTHROP...STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...
OKANOGAN...BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL
PASS.

$$

IDZ003-WAZ033-036-262230-
/O.CON.KOTX.WW.Y.0023.090226T1500Z-090227T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-SPOKANE AREA-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...ROCKFORD
624 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW ACCUMULATIONS AROUND ONE INCH WILL BE POSSIBLE TODAY IN THE
SPOKANE...AND PULLMAN AREAS. THE MOST SIGNIFICANT ACCUMULATIONS
WILL BE ABOVE 2000 FEET. FOR ELEVATIONS BELOW 2000 FEET INCLUDING
DOWNTOWN SPOKANE AND SPOKANE VALLEY...ACCUMULATIONS WILL LIKELY BE
LESS THAN AN INCH TODAY.

FOR THE IDAHO PALOUSE...A FEW SPOTS ABOVE 2500 FEET AROUND MOSCOW
MAY RECEIVE AMOUNTS AS HIGH AS 3 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...
POTLATCH...GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...
OAKESDALE...TEKOA...UNIONTOWN...SPOKANE...CHENEY...DAVENPORT...
ROCKFORD.


$$

WAZ038-261800-
/O.CON.KOTX.WW.Y.0023.000000T0000Z-090226T1800Z/
OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
624 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS
MORNING. 

SNOW ACCUMULATIONS OF 1 TO 2 INCHES ARE EXPECTED BY LATE THIS
MORNING IN THE OKANOGAN VALLEY. THE SNOW WILL BE ACCOMPANIED BY
GUSTY NORTH WINDS. GUSTS AS HIGH AS 35 MPH WILL BE POSSIBLE
AROUND OROVILLE AND TONASKET. MOTORISTS SHOULD BE PREPARED FOR
TEMPORARY VISIBILITY RESTRICTIONS DUE TO BLOWING SNOW.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER
CREEK ROAD...SHERMAN PASS.

$$
000 
WWUS46 KOTX 261753
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
953 AM PST THU FEB 26 2009

...LATE SEASON WINTER STORM SYSTEM...

IDZ003-WAZ033-261900-
/O.CAN.KOTX.WW.Y.0023.000000T0000Z-090227T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN
953 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE RISK SIGNIFICANT SNOW HAS DECREASED IN THIS AREA. SOME SCATTERED
SNOW SHOWERS ARE POSSIBLE THROUGH THURSDAY AFTERNOON...YET ADDITIONAL
SNOW TOTALS ARE EXPECTED TO BE UNDER AN INCH.

THIS INCLUDES THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...
POTLATCH...GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...
OAKESDALE...TEKOA...UNIONTOWN.

$$

WAZ042-043-261900-
/O.CAN.KOTX.WW.Y.0023.000000T0000Z-090226T1800Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...TWISP...WINTHROP...
STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS
953 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE RISK SIGNIFICANT SNOW HAS DECREASED IN THIS AREA. SOME SCATTERED
SNOW SHOWERS ARE POSSIBLE THROUGH THURSDAY AFTERNOON...YET ADDITIONAL
SNOW TOTALS ARE EXPECTED TO BE UNDER AN INCH.

THIS INCLUDES THE FOLLOWING LOCATIONS...MAZAMA...TWISP...
WINTHROP...STEHEKIN...CONCONULLY...LOUP LOUP PASS...OMAK...
OKANOGAN...BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL
PASS.

$$

WAZ038-270000-
/O.UPG.KOTX.WW.Y.0023.000000T0000Z-090226T1800Z/
/O.EXB.KOTX.WS.W.0020.000000T0000Z-090227T0000Z/
OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
953 AM PST THU FEB 26 2009

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM
WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT.

ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE EXPECTED BY
LATE THIS AFTERNOON ACROSS THE OKANOGAN HIGHLANDS...BRINGING STORM
TOTAL SNOW AMOUNTS OF 2 TO 4 INCHES...WITH LOCAL AMOUNTS TO 6 INCHES.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS
OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER
CREEK ROAD...SHERMAN PASS.

$$

IDZ001-004-WAZ037-270200-
/O.CON.KOTX.WS.W.0020.000000T0000Z-090227T0600Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...
FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
953 AM PST THU FEB 26 2009

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING...

A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS
EVENING. 

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY THIS EVENING
IN THE VALLEYS OF THE NORTHERN AND CENTRAL IDAHO PANHANDLE...AS
WELL AS IN THE VALLEYS OF THE NORTHEAST WASHINGTON MOUNTAINS.
LOCAL AMOUNTS AS HIGH AS 5 INCHES WILL BE POSSIBLE IN THE SILVER
VALLEY AROUND WALLACE AND KELLOGG...BUT MOST LOW ELEVATION SPOTS
AROUND SANDPOINT...COLVILLE...AND METALINE FALLS CAN EXPECT 2 TO 4
INCHES OF SNOW BY THIS EVENING.

FOR THE MOUNTAINS...THE MOST SIGNIFICANT ACCUMULATIONS WILL BE IN
THE MOUNTAINS OF THE CENTRAL IDAHO PANHANDLE. STORM TOTAL
ACCUMULATIONS OF OVER A FOOT WILL BE POSSIBLE AROUND LOOKOUT
PASS. MOTORISTS SHOULD BE PREPARED FOR POOR DRIVING CONDITIONS...
ESPECIALLY AT ELEVATIONS ABOVE 3500 FEET.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS
OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE
TRAVEL VERY HAZARDOUS OR IMPOSSIBLE.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

$$

WAZ036-270000-
/O.CON.KOTX.WW.Y.0023.000000T0000Z-090227T0000Z/
SPOKANE AREA-
INCLUDING THE FOLLOWING LOCATIONS...SPOKANE...CHENEY...
DAVENPORT...ROCKFORD
953 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW ACCUMULATIONS AROUND ONE INCH WILL BE POSSIBLE TODAY IN THE
SPOKANE. THE MOST SIGNIFICANT ACCUMULATIONS WILL BE ABOVE 2000
FEET. ISOLATED AMOUNTS TO 2 INCHES ARE POSSIBLE IN MORE PERSISTENT
CONVECTIVE SNOW BANDS. FOR ELEVATIONS BELOW 2000 FEET INCLUDING
DOWNTOWN SPOKANE AND SPOKANE VALLEY...ACCUMULATIONS WILL LIKELY BE
LESS THAN AN INCH TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...SPOKANE...CHENEY...
DAVENPORT...ROCKFORD.

$$

IDZ002-270000-
/O.CON.KOTX.WW.Y.0023.000000T0000Z-090227T0000Z/
COEUR DALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...COEUR DALENE...POST FALLS...
HAYDEN...WORLEY
953 AM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON...

A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS
AFTERNOON. 

SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY EARLY THIS
EVENING. THE MOST SIGNIFICANT AMOUNTS WILL BE ABOVE 3000 FEET.
SOME HIGHER ELEVATIONS AROUND HARRISON AND LAKE COEUR DALENE
COULD RECEIVE AS MUCH AS 5 INCHES OF SNOW TODAY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW
WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW
COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE
DRIVING.

&&

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY.

$$
000 
WWUS46 KOTX 262240
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
240 PM PST THU FEB 26 2009


IDZ001-004-WAZ037-262345-
/O.CAN.KOTX.WS.W.0020.000000T0000Z-090227T0600Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...
FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
240 PM PST THU FEB 26 2009

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
STORM WARNING. 

THE RISK FOR WIDESPREAD SIGNIFICANT SNOW HAS DECREASED. A BAND 
OF MAINLY LIGHT SNOW WILL CONTINUE ACROSS NORTHERN SHOSHONE
COUNTY THROUGH BONNER COUNTY...TO CENTRAL PEND OREILLE AND FERRY
COUNTIES THURSDAY EVENING...DECREASING OVERNIGHT. MOST AREAS WILL
SEE UNDER A HALF INCH OF ADDITIONAL ACCUMULATIONS...THOUGH
ISOLATED AMOUNTS TO AN INCH A POSSIBLE IN MORE PERSISTENT BANDS
AND UP TO TWO INCHES IS POSSIBLE IN THE MOUNTAINS.

THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM...
BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD...
KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN...FOURTH OF JULY
PASS...DOBSON PASS...LOOKOUT PASS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

$$

WAZ038-262345-
/O.CAN.KOTX.WS.W.0020.000000T0000Z-090227T0000Z/
OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
240 PM PST THU FEB 26 2009

...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
STORM WARNING. 

THE THREAT FOR SIGNIFICANT SNOW HAS DECREASED. A FEW SNOW SHOWERS
ARE POSSIBLE THROUGH THURSDAY EVENING...HOWEVER ADDITIONAL ACCUMULATIONS
WILL BE UNDER A HALF INCH.

THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER
CREEK ROAD...SHERMAN PASS.

$$

IDZ002-WAZ036-262345-
/O.CAN.KOTX.WW.Y.0023.000000T0000Z-090227T0000Z/
COEUR DALENE AREA-SPOKANE AREA-
INCLUDING THE FOLLOWING LOCATIONS...COEUR DALENE...POST FALLS...
HAYDEN...WORLEY...SPOKANE...CHENEY...DAVENPORT...ROCKFORD
240 PM PST THU FEB 26 2009

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
WEATHER ADVISORY. 

THE THREAT FOR SNOW HAS DECREASED. SCATTERED SNOW SHOWERS ARE EXPECTED
EARLY THIS EVENING. HOWEVER ACCUMULATIONS IN THIS ISOLATED BANDS
ARE EXPECTED BE ONLY TRACE AMOUNTS TO TWO-TENTHS OF AN INCH AT MOST.

THIS INCLUDES THE FOLLOWING LOCATIONS...COEUR DALENE...POST
FALLS...HAYDEN...WORLEY...SPOKANE...CHENEY...DAVENPORT...
ROCKFORD.

$$

What forecasters said that day

The local office's own words before this winter storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Spokane, WA wrote its last area forecast discussion before this winter storm warning went out at Feb 25, 2:28 PM PST, 40 minutes earlier.

Area forecast discussion, Feb 25, 2:28 PM PST, 40 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
228 PM PST WED FEB 25 2009

.SYNOPSIS...
AFTER LINGERING VALLEY RAIN AND MOUNTAIN SNOW SHOWERS TONIGHT...A
LATE WINTER STORM SYSTEM WILL BRING SIGNIFICANT SNOW TO MUCH OF
THE INLAND NORTHWEST THURSDAY AND THURSDAY NIGHT. FRIDAY AND
SATURDAY WILL BE A QUIET BREAK PERIOD WITH A CONTINUATION OF
ACTIVE AND UNSETTLED WEATHER SUNDAY THROUGH THE MIDDLE OF NEXT
WEEK.

&&

.DISCUSSION...
TONIGHT...TWO WEATHER REGIMES VISIBLE ON SATELLITE THIS
AFTERNOON. OVER THE EASTERN THIRD OF THE FORECAST AREA PACIFIC
MOISTURE IS STREAMING AND ENHANCING ALONG A STALLED MID LEVEL
BOUNDARY NOW RUNNING FROM REDMOND, OREGON TO SANDPOINT IDAHO. MORE
OR LESS CONTINUOUS SHOWERS ARE TRAINING ALONG THIS BOUNDARY AND
WILL CONTINUE INTO THE EVENING. CURRENT SNOW LEVELS ARE RUNNING
AROUND 3500 FEET AND WILL CONTINUE TO REMAIN ELEVATED THROUGH THIS
EVENING AS MID LEVEL WARM ADVECTION FEEDS INTO THE REGION AHEAD OF
THE DIGGING TROUGH SEEN ON SATELLITE OVER VANCOUVER ISLE.
MEANWHILE...OVER THE WESTERN ZONES GENERALLY LITTLE PRECIPITATION
ACTIVITY IS APPARENT WITH THESE ZONES BETWEEN THE FRONTAL ZONE
OVER THE EAST...AND THE BAROCLINIC ZONE OF THE INCOMING UPPER
TROUGH NOW MOVING THROUGH THE WEST SIDE.

FOR TONIGHT...SHOWER ACTIVITY FROM THE EASTERN FRONTAL ZONE WILL
GRADUALLY SHIFT EAST...BUT THIS INCREASINGLY MERIDIONAL BAND WILL
ONLY SLOWLY SHIFT EASTWARD WITH WIDESPREAD VALLEY RAIN AND
MOUNTAIN SNOW SHOWERS CONTINUING THROUGH MOST OF THE NIGHT OVER
THE IDAHO PANHANDLE. IN THE WEST...THE INCOMING TROUGH BAROCLINIC
REGION WILL ALSO SLOWLY APPROACH AND BEGIN FOCUSING MAINLY
MOUNTAIN SNOW AND A MIX OF VALLEY RAIN AND SNOW OVER THE CASCADES
THIS EVENING...AND INTO THE DEEP BASIN ZONES BY DAWN. WHILE THERE
IS NO DECENT LOW LEVEL UPSLOPE INTO THE CASCADES TO ENHANCE THIS
PRECIPITATION...NEITHER IS THERE ANY WESTERLY COMPONENT TO SUPPRESS
IT. THUS...WITH MOIST FRONTAL LIFT AND UPPER LEVEL TROUGH BASE
DIFLUENT FLOW IT IS LIKELY EVEN THE NORMALLY DRY CASCADES LEE
ZONES WILL RECEIVE LIGHT PRECIPITATION FROM THIS SYSTEM. WITH
INCREASING CLOUDS AND MOIST LOW LEVELS OVERNIGHT LOW TEMPERATURES
WILL PROBABLY NOT DIP BELOW FREEZING AT MOST VALLEY LOCATIONS.
MODEL VERTICAL SOUNDING PROFILES SUGGEST ONSET OF PRECIPITATION
WILL BE A MIX OF RAIN OR SNOW OR PERHAPS WET SNOW WITH ONLY MINOR
ACCUMULATIONS ON VALLEY FLOORS.

OVER THE EASTERN ZONES A RELATIVE BREAK PERIOD WILL OCCUR LATE
TONIGHT BUT WILL BE SHORT LIVED AS THE INCOMING TROUGH BEGINS TO
IMPACT THE AREA BY DAWN. /FUGAZZI

THURSDAY TO FRIDAY...A STORM SYSTEM NEAR VANCOUVER ISLAND SWINGS
THROUGH WITH A GOOD RISK FOR RAIN AND SNOW...BEFORE EXITING
FRIDAY. BY 12Z THURSDAY THE INLAND NW IS IN THE DI FLUENT NORTHEAST
SIDE OF THE UPPER LOW...WITH A SFC LOW CENTERED SOUTH OF MOSES
LAKE AND A TROWAL WRAPPED OVER THE CENTRAL PANHANDLE TO NORTH-
CENTRAL WA. THESE WILL PROVIDE LIFT AND FOCUS FOR A MOIST SWLY
FLOW. AS SUCH PRECIPITATION IS LIKELY FROM THE BLUES UP TO NE MTNS
AND PANHANDLE...WRAPPED BACK TO THE CASCADES. TACK ON SOME 7-8 DEG
C/KM LAPSE RATES FOR INSTABILITY...SOME DECENT PRECIP RATES ARE
SUPPORTED FOR AT LEAST A FEW HOURS. THE SFC LOW TRACKS TOWARD THE
ID/MT/WY BORDER THURSDAY NIGHT...WITH THE UPPER LOW MOVING ALONG
THE WA/OR BORDER. THE TROWAL AXIS SHIFTS NORTH AND EAST. THIS
SUPPORTS A GRADUAL SHIFT IN THE PRECIP FOCUS BY LATE IN THE DAY.
BY EVENING THE BEST CHANCES ARE PROJECTED TO LAY OVER THE NE MTNS
AND ID PANHANDLE.  BY FRIDAY 500 MB HEIGHTS ARE RISING AND DRIER
AIR IS INFILTRATING AND THE ATMOSPHERE IS STABILIZING. SO LOOK FOR
PRECIP CHANCES TO DECREASE TO MAINLY THE EASTERN MTNS...WITH
MAINLY LIGHT ADDITIONAL SNOWFALL EXPECTED.

THURSDAY P-TYPE WILL BE PRIMARILY SNOW OVER THE CASCADES AND
NORTHERN MOUNTAIN ZONES...WITH SFC AND 850 TEMPS BELOW FREEZING.
A RAIN/SNOW MIX IN THE MORNING IS EXPECTED TO TRANSITION TO ALL
SNOW OVER MUCH OF THE REMAINDER OF THE CWA...AS THE ATMOSPHERIC
COLUMN COOLS WITH THE INCOMING LOW. EXCEPTIONS ARE THE DEEPER
BASIN AND L-C VALLEY.

MODEL AGREEMENT/CONSISTENCY IS STILL RATHER POOR (ESPECIALLY
CONSIDERING IT IS ONLY ABOUT 24 HOURS). GUIDANCE CONTINUES TO
WAVER ON EXACTLY WHERE THE HEAVIEST PRECIPITATION BANDS WILL
SET-UP. THERE IS POTENTIAL FOR A BUSTED FORECAST. YET WINTER
STORM WARNINGS FOR HEAVY SNOW ARE BEING RAISED FOR NORTHERN
PANHANDLE...NE MOUNTAIN ZONES AND CENTRAL PANHANDLE. THIS IS WHERE
THE TROWAL FEATURE IS EXPECTED TO BE MOST PERSISTENT AND THERE
WILL BE LESS OF A RAIN/SNOW MIX POTENTIAL. SNOW AMOUNTS 3 TO 6
INCHES WILL BE POSSIBLE IN THE VALLEYS...WITH UP TO A FOOT IN THE
MOUNTAINS. HIGHEST CONFIDENCE IS OVER THE CENTRAL PANHANDLE. IF
THE BAND SETS UP FURTHER SOUTH...THE SNOW MAY BE CONFINED TO THE
SOUTHERN PORTIONS OF WAZ037 AND IDZ001 AND AREAS NEAR THE CANADIAN
BORDER MAY SEE LITTLE OR EVEN NO ACCUMULATION.

WINTER WEATHER ADVISORIES ARE ALSO BEING ADDED FOR SPOKANE/CDA
AREA AND PALOUSE. AS THE RAIN/SNOW MIX TRANSITIONS TO SNOW...AN
INCH OR TWO OF ACCUMULATION WILL BE POSSIBLE...ESPECIALLY ABOVE
2000 FEET. SOME HEIGHT QUALIFIERS MAY BE ADDED TO THESE ADVISORIES
LATER. LOCAL HIGHER AMOUNTS WILL BE POSSIBLE IN THE NORTHERN
PORTIONS OF SPOKANE AND KOOTENAI COUNTY...POSSIBLY APPROACHING
MARGINAL HEAVY SNOW CRITERIA...IF THE SNOW BAND SETS UP FURTHER
SOUTH. SO THIS WILL NEED TO BE MONITORED. /JCOTE

FRIDAY NIGHT THROUGH WEDNESDAY...FORECAST MODELS ARE IN GOOD
AGREEMENT WITH THE LONG WAVE PATTERN THROUGH WEDNESDAY. ON FRIDAY
NIGHT AND SATURDAY DRY CONDITIONS ARE EXPECTED AS HIGH PRESSURE
BUILDS OVER THE AREA AHEAD OF A LONG WAVE TROUGH. THEN SATURDAY
NIGHT THROUGH SUNDAY NIGHT LOOK UNSETTLED AS A DEEP FETCH OF
MOISTURE WHICH HAS ORIGINS FROM SOUTH OF HAWAII GETS PUMPED
NORTHWARD INTO THE INLAND NORTHWEST AHEAD OF THE OFFSHORE TROUGH.
INITIALLY...COLD AIR WILL GET BANKED UP AGAINST THE EAST SLOPES OF
THE NORTH WASHINGTON CASCADES DUE TO AN EASTERLY PRESSURE
GRADIENT. GOING WITH GFS AND ECMWF 1000-850MB THICKNESSES AND
INSPECTION OF FORECAST SOUNDINGS INDICATE SNOW LEVELS AROUND 1000
TO 1500 FEET NEAR THE CASCADES AS WELL AS NEAR THE CANADIAN BORDER
INITIALLY...BEFORE RISING TO AROUND 4000 FEET SUNDAY AFTERNOON.
IT IS POSSIBLE THAT AS THE EVENT DRAWS CLOSER HIGHLIGHTS FOR
MODERATE SNOW ACCUMULATIONS MAY BE NEEDED. ELSEWHERE THOUGH SNOW
LEVELS WILL QUICKLY RISE RESULTING IN A MAINLY VALLEY RAIN AND
HIGH MOUNTAIN SNOW EVENT. THEN FOR MONDAY THROUGH WEDNESDAY THE
OFFSHORE TROUGH PERSISTS WITH ADDITIONAL SHORT WAVES TRACKING
THROUGH THE AREA FOR CONTINUED ABOVE CLIMO POPS.  JW

&&

.AVIATION...
A STALLED STATIONARY FRONT LAYS FROM KDLS TO KMLP TODAY. MVFR
CEILING SHOWERS WILL BE COMMON ALONG AND SOUTH OF THIS
FRONT...MAINLY IMPACTING THE KGEG VCNTY TAF SITES AND KPUW.
MOUNTAINS NORTH AND EAST OF THE COLUMBIA BASIN WILL SUFFER
WIDESPREAD OBSCURATIONS THROUGH TODAY AND TONIGHT. MAINLY VFR
CONDITIONS WITH ISOLATED SHOWERS ARE EXPECTED OVER THE WESTERN
BASIN...MAINLY IMPACTING THE KMWH AND KEAT TAF SITES. A SECOND AND
STRONGER STORM SYSTEM WILL ENTER THE REGION FROM THE WEST TONIGHT
WITH MOST TAF SITES DEGENERATING INTO AT LEAST MVFR CEILINGS AND
VIS AND POSSIBLY IFR CONDITIONS AS PRECIPITATION BEGINS AS
MOUNTAIN SNOW AND A MIX OF RAIN AND SNOW IN THE LOWER ELEVATIONS.

&&

.PRELIMINARY POINT TEMPS/POPS...
SPOKANE        33  35  25  37  21  39 /  50  80  50  20  10  10
COEUR DALENE  32  34  24  37  19  38 /  60  90  70  20  10  10
PULLMAN        35  38  26  40  24  46 /  60  90  50  20  10  10
LEWISTON       37  43  28  48  27  50 /  50  80  50  10  10  10
COLVILLE       30  35  19  39  16  41 /  60  90  90  30  10  10
SANDPOINT      19  34  22  37  19  37 /  80  90  90  30  10  10
KELLOGG        31  37  24  39  19  46 /  90 100 100  50  10  10
MOSES LAKE     34  44  24  43  22  43 /  50  50  30  10   0  10
WENATCHEE      34  41  25  41  26  40 /  60  50  30  10   0  10
OMAK           31  38  21  38  18  37 /  60  60  40  10   0  10

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...WINTER WEATHER ADVISORY FROM 7 AM TO 10 PM PST THURSDAY FOR
     COEUR DALENE AREA.

     WINTER STORM WARNING FROM 4 AM TO 10 PM PST THURSDAY FOR CENTRAL
     PANHANDLE MOUNTAINS...NORTHERN PANHANDLE.

     WINTER WEATHER ADVISORY FROM 7 AM TO 4 PM PST THURSDAY FOR IDAHO
     PALOUSE.

WA...WINTER STORM WARNING FROM 4 AM TO 10 PM PST THURSDAY FOR
     NORTHEAST MOUNTAINS.

     WINTER WEATHER ADVISORY FROM 7 AM TO 4 PM PST THURSDAY FOR
     SPOKANE AREA...WASHINGTON PALOUSE.

&&
Hazardous weather outlook, Feb 25, 6:51 AM PST, 8 hours 17 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE SPOKANE WA
651 AM PST WED FEB 25 2009

WAZ042-261500-
EAST SLOPES NORTHERN CASCADES-
651 AM PST WED FEB 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

MODERATE SNOW ACCUMULATIONS ARE EXPECTED THIS AFTERNOON AND
TONIGHT ALONG THE EAST SLOPES OF THE NORTHERN CASCADES. THE MOST
SIGNIFICANT ACCUMULATIONS ARE EXPECTED ABOVE 2500 FEET. TRAVEL
ACROSS THE CASCADE PASSES WILL BE TREACHEROUS THIS AFTERNOON
AND TONIGHT.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS ANTICIPATED AT THIS TIME.

IDZ001>004-WAZ033-036>038-261500-
NORTHERN PANHANDLE-COEUR DALENE AREA-IDAHO PALOUSE-
CENTRAL PANHANDLE MOUNTAINS-WASHINGTON PALOUSE-SPOKANE AREA-
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
651 AM PST WED FEB 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO...
NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST
WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

LIGHT SNOW ACCUMULATIONS ARE EXPECTED TODAY AND TONIGHT IN THE
CENTRAL AND NORTHERN IDAHO PANHANDLE. MAINLY MOUNTAIN ACCUMULATIONS
ARE EXPECTED WITH ONLY MINOR AMOUNTS POSSIBLE IN THE VALLEYS.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

MODERATE SNOW ACCUMULATIONS WILL BE POSSIBLE THURSDAY INTO
THURSDAY NIGHT OVER THE EASTERN THIRD OF WASHINGTON AS WELL AS THE
MOUNTAINS AND VALLEYS OF THE NORTHERN AND CENTRAL PANHANDLE IN
IDAHO. THIS STORM SYSTEM WILL BE MONITORED CLOSELY. THERE IS THE
POTENTIAL FOR HEAVY MOUNTAIN SNOW IN THE IDAHO PANHANDLE IF THIS
STORM TAKES A FAVORABLE TRACK SUGGESTED BY SOME FORECAST MODELS.

IDZ026-027-WAZ031-032-034-035-041-043-044-261500-
LEWISTON AREA-LEWIS AND SOUTHERN NEZ PERCE COUNTIES-
NORTHEAST BLUE MOUNTAINS-LOWER GARFIELD AND ASOTIN COUNTIES-
MOSES LAKE AREA-UPPER COLUMBIA BASIN-WENATCHEE AREA-
OKANOGAN VALLEY-WATERVILLE PLATEAU-
651 AM PST WED FEB 25 2009

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTH
CENTRAL WASHINGTON AND SOUTHEAST WASHINGTON.

.DAY ONE...TODAY AND TONIGHT

NO HAZARDOUS WEATHER IS ANTICIPATED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

NO HAZARDOUS WEATHER IS ANTICIPATED AT THIS TIME.

The office that day

Everything else NWS Spokane, WA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 3:08 PM PSTWinter Weather AdvisoryOTXBenewah, Kootenai, Latah24 hr

Nearby

Winter Storm Warnings in Idaho, 2009Winter Storm Warnings in Washington, 2009Every winter storm warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.