Alert archive / Washington / Winter Storm Warnings in 2009
Winter Storm Warning 28, NWS Spokane, WA
NWS Spokane, WA issued this winter storm warning at Nov 18, 2009, 11:57 AM PST for Ferry County, Okanogan County, Washington. It took effect at Nov 18, 2009, 7:00 PM PST. It was in force for 26 hr. 1 report 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
- Nov 18, 2009, 11:57 AM PST (19:57 UTC)
- In effect from
- Nov 18, 2009, 7:00 PM PST
- Expired
- Nov 19, 2009, 8:31 PM PST
- In force
- 26 hr
- Issued by
- NWS Spokane, WA
Counties Ferry County, WA, Okanogan County, WA
The radar
The Spokane radar (KOTX), 145 km from the middle of the area, began a volume at 19:53 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Nov 19, 6:00 AM PST | SNOW 1.3 | 4 N Republic, WA | COCORAHS |
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, 8.0 hours before the alert went out and 222 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 963 m above ground
- 0-6 km bulk shear
- 73 kt
- 0-1 km storm-relative helicity
- -23 m²/s²
- 0-3 km storm-relative helicity
- 32 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS46 KOTX 181957 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1157 AM PST WED NOV 18 2009 WAZ042-190600- /O.UPG.KOTX.WS.A.0010.091119T0000Z-091120T0000Z/ /O.NEW.KOTX.WS.W.0028.091119T0300Z-091120T0000Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS... LOUP LOUP PASS 1157 AM PST WED NOV 18 2009 ...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 4 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM PST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE LIKELY FOR THE UPPER METHOW VALLEY AND AT THE UPPER REACHES OF LAKE CHELAN INCLUDING THE STEHEKIN...MAZAMA...AND TWISP AREAS BY THURSDAY AFTERNOON. FOR THE VALLEYS...THE MOST SIGNIFICANT ACCUMULATIONS WILL OCCUR AT ELEVATIONS ABOVE 2000 FEET. SNOW TOTALS FOR THE LOW ELEVATIONS LIKE LEAVENWORTH AND CASHMERE WILL LIKELY BE IN THE 1 TO 3 INCH RANGE. NEARBY MOUNTAINS WILL RECEIVE 1 TO 2 FEET OF SNOW BY EARLY THURSDAY EVENING. 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. MOTORISTS PLANNING TO TRAVEL OVER STEVENS PASS OR ON HIGHWAY 97 BETWEEN CASHMERE AND ELLENSBURG SHOULD BE PREPARED FOR DANGEROUS WINTER DRIVING CONDITIONS. && THIS INCLUDES THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS...LOUP LOUP PASS. $$ WAZ038-190600- /O.UPG.KOTX.WS.A.0010.091119T0000Z-091120T0000Z/ /O.NEW.KOTX.WS.W.0028.091119T0600Z-091120T0000Z/ OKANOGAN HIGHLANDS- INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT... BOULDER CREEK ROAD...SHERMAN PASS 1157 AM PST WED NOV 18 2009 ...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY IN THE REPUBLIC... CURLEW...AND CHESAW AREAS BY THURSDAY AFTERNOON. SNOW IS EXPECTED TO BEGIN LATE THIS EVENING AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW LEVELS WILL FROM LESS THAN 2000 FEET ON THURSDAY MORNING TO AS HIGH AS 3500 FEET BY LATE IN THE DAY THURSDAY. SNOW TOTALS IN THE NEARBY MOUNTAINS WILL BE IN THE 8 TO 12 INCH RANGE. && PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS. $$ WAZ041-043-190600- /O.UPG.KOTX.WS.A.0010.091119T0000Z-091120T0000Z/ /O.NEW.KOTX.WW.Y.0035.091119T0300Z-091120T0000Z/ WENATCHEE AREA-OKANOGAN VALLEY- INCLUDING THE FOLLOWING LOCATIONS...DISAUTEL PASS 1157 AM PST WED NOV 18 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 4 PM PST THURSDAY ABOVE 2000 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW ABOVE 2000 FEET...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 4 PM PST THURSDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY THURSDAY AFTERNOON FOR ELEVATIONS ABOVE 2000 FEET IN THE WENATCHEE AND OMAK AREAS. THE CITY OF WENATCHEE WILL MOST LIKELY EXPERIENCE A MIXTURE OF RAIN AND SNOW TONIGHT...WITH ACCUMULATIONS UP TO AN INCH ON GRASSY SURFACES. THE OMAK AREA CAN EXPECT WET SNOW ACCUMULATIONS OF 1 TO 2 INCHES TONIGHT BEFORE SNOW CHANGES TO RAIN BY TUESDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS AND POSSIBLE WARNING FROM YOUR NATIONAL WEATHER SERVICE. && 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...DISAUTEL PASS. $$ WAZ037-190600- /O.NEW.KOTX.WW.Y.0035.091119T0600Z-091120T0000Z/ NORTHEAST MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD 1157 AM PST WED NOV 18 2009 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE LIKELY IN THE COLVILLE... IONE...NORTHPORT...AND METALINE FALLS AREAS BY THURSDAY AFTERNOON. SNOW WILL BEGIN LATE TONIGHT AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW LEVELS TONIGHT WILL BE DOWN TO THE VALLEY FLOORS...THEN RISE AS HIGH AS 3500 FEET BY LATE IN THE DAY THURSDAY. THE MOUNTAINS OF NORTHEAST WASHINGTON CAN EXPECT TO RECEIVE 4 TO 8 INCHES OF NEW SNOW BY THURSDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && THIS INCLUDES THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD. $$
6 follow-up statements
000 WWUS46 KOTX 190210 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 610 PM PST WED NOV 18 2009 WAZ042-191015- /O.CON.KOTX.WS.W.0028.091119T0300Z-091120T0000Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS... LOUP LOUP PASS 610 PM PST WED NOV 18 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE LIKELY FOR THE UPPER METHOW VALLEY AND AT THE UPPER REACHES OF LAKE CHELAN INCLUDING THE STEHEKIN...MAZAMA...AND TWISP AREAS BY THURSDAY AFTERNOON. FOR THE VALLEYS...THE MOST SIGNIFICANT ACCUMULATIONS WILL OCCUR AT ELEVATIONS ABOVE 2000 FEET. SNOW TOTALS FOR THE LOW ELEVATIONS LIKE LEAVENWORTH AND CASHMERE WILL LIKELY BE IN THE 1 TO 3 INCH RANGE. NEARBY MOUNTAINS WILL RECEIVE 1 TO 2 FEET OF SNOW BY EARLY THURSDAY EVENING. 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. MOTORISTS PLANNING TO TRAVEL OVER STEVENS PASS OR ON HIGHWAY 97 BETWEEN CASHMERE AND ELLENSBURG SHOULD BE PREPARED FOR DANGEROUS WINTER DRIVING CONDITIONS. && THIS INCLUDES THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS...LOUP LOUP PASS. $$ WAZ038-191015- /O.CON.KOTX.WS.W.0028.091119T0600Z-091120T0000Z/ OKANOGAN HIGHLANDS- INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT... BOULDER CREEK ROAD...SHERMAN PASS 610 PM PST WED NOV 18 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY IN THE REPUBLIC... CURLEW...AND CHESAW AREAS BY THURSDAY AFTERNOON. SNOW IS EXPECTED TO BEGIN LATE THIS EVENING AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW LEVELS WILL FROM LESS THAN 2000 FEET ON THURSDAY MORNING TO AS HIGH AS 3500 FEET BY LATE IN THE DAY THURSDAY. SNOW TOTALS IN THE NEARBY MOUNTAINS WILL BE IN THE 8 TO 12 INCH RANGE. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS. $$ WAZ041-043-191015- /O.EXT.KOTX.WW.Y.0035.091119T0500Z-091120T0000Z/ WENATCHEE AREA-OKANOGAN VALLEY- INCLUDING THE FOLLOWING LOCATIONS...DISAUTEL PASS 610 PM PST WED NOV 18 2009 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2000 FEET... THE WINTER WEATHER ADVISORY ABOVE 2000 FEET IS NOW IN EFFECT FROM 9 PM PST THIS EVENING UNTIL 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY THURSDAY AFTERNOON FOR ELEVATIONS ABOVE 2000 FEET IN THE WENATCHEE AND OMAK AREAS. THE CITY OF WENATCHEE WILL MOST LIKELY EXPERIENCE A MIXTURE OF RAIN AND SNOW TONIGHT...WITH ACCUMULATIONS UP TO AN INCH ON GRASSY SURFACES. THE OMAK AREA CAN EXPECT WET SNOW ACCUMULATIONS OF 1 TO 2 INCHES TONIGHT BEFORE SNOW CHANGES TO RAIN BY TUESDAY AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS AND POSSIBLE WARNING FROM YOUR NATIONAL WEATHER SERVICE. 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...DISAUTEL PASS. $$ WAZ037-191015- /O.CON.KOTX.WW.Y.0035.091119T0600Z-091120T0000Z/ NORTHEAST MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD 610 PM PST WED NOV 18 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING TO 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE LIKELY IN THE COLVILLE... IONE...NORTHPORT...AND METALINE FALLS AREAS BY THURSDAY AFTERNOON. SNOW WILL BEGIN LATE TONIGHT AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW LEVELS TONIGHT WILL BE DOWN TO THE VALLEY FLOORS...THEN RISE AS HIGH AS 3500 FEET BY LATE IN THE DAY THURSDAY. THE MOUNTAINS OF NORTHEAST WASHINGTON CAN EXPECT TO RECEIVE 4 TO 8 INCHES OF NEW SNOW BY THURSDAY EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && THIS INCLUDES THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD. $$
000 WWUS46 KOTX 190452 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 852 PM PST WED NOV 18 2009 WAZ042-191300- /O.CON.KOTX.WS.W.0028.000000T0000Z-091120T0000Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS... LOUP LOUP PASS 852 PM PST WED NOV 18 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 5 TO 10 INCHES ARE LIKELY FOR THE UPPER METHOW VALLEY AND AT THE UPPER REACHES OF LAKE CHELAN INCLUDING THE STEHEKIN...MAZAMA...AND TWISP AREAS BY THURSDAY AFTERNOON. FOR THE VALLEYS...THE MOST SIGNIFICANT ACCUMULATIONS WILL OCCUR AT ELEVATIONS ABOVE 2000 FEET. SNOW TOTALS FOR THE LOW ELEVATIONS LIKE LEAVENWORTH AND CASHMERE WILL LIKELY BE IN THE 1 TO 3 INCH RANGE. NEARBY MOUNTAINS WILL RECEIVE 1 TO 2 FEET OF SNOW BY EARLY THURSDAY EVENING. 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. MOTORISTS PLANNING TO TRAVEL OVER STEVENS PASS OR ON HIGHWAY 97 BETWEEN CASHMERE AND ELLENSBURG SHOULD BE PREPARED FOR DANGEROUS WINTER DRIVING CONDITIONS. && THIS INCLUDES THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS...LOUP LOUP PASS. $$ WAZ038-191300- /O.CON.KOTX.WS.W.0028.091119T0600Z-091120T0000Z/ OKANOGAN HIGHLANDS- INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT... BOULDER CREEK ROAD...SHERMAN PASS 852 PM PST WED NOV 18 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY IN THE REPUBLIC... CURLEW...AND CHESAW AREAS BY THURSDAY AFTERNOON. SNOW IS EXPECTED TO BEGIN BY MIDNIGHT AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW LEVELS AROUND 1500 FEET ON THURSDAY MORNING WILL RISE TO AS HIGH AS 3500 FEET BY LATE IN THE DAY THURSDAY. SNOW TOTALS IN THE NEARBY MOUNTAINS WILL BE IN THE 8 TO 12 INCH RANGE. A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS. $$ WAZ037-191300- /O.EXT.KOTX.WW.Y.0035.091119T0900Z-091120T0000Z/ NORTHEAST MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD 852 PM PST WED NOV 18 2009 ...WINTER WEATHER ADVISORY NOW IN EFFECT FROM 1 AM TO 4 PM PST THURSDAY... THE WINTER WEATHER ADVISORY FOR SNOW IS NOW IN EFFECT FROM 1 AM TO 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 2 TO 5 INCHES ARE LIKELY IN THE COLVILLE... IONE...NORTHPORT...AND METALINE FALLS AREAS BY THURSDAY AFTERNOON. SNOW WILL BEGIN OVERNIGHT AND CONTINUE THROUGH THURSDAY AFTERNOON. SNOW LEVELS TONIGHT WILL BE DOWN TO THE VALLEY FLOORS...THEN RISE AS HIGH AS 3500 FEET BY LATE IN THE DAY THURSDAY. THE MOUNTAINS OF NORTHEAST WASHINGTON CAN EXPECT TO RECEIVE 4 TO 8 INCHES OF NEW SNOW BY 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...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD. $$ WAZ041-043-191300- /O.CON.KOTX.WW.Y.0035.091119T0500Z-091120T0000Z/ WENATCHEE AREA-OKANOGAN VALLEY- INCLUDING THE FOLLOWING LOCATIONS...DISAUTEL PASS 852 PM PST WED NOV 18 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY ABOVE 2000 FEET... A WINTER WEATHER ADVISORY FOR SNOW ABOVE 2000 FEET REMAINS IN EFFECT UNTIL 4 PM PST THURSDAY. SNOW ACCUMULATIONS OF 2 TO 4 INCHES ARE EXPECTED BY THURSDAY AFTERNOON FOR ELEVATIONS ABOVE 2000 FEET IN THE WENATCHEE AND OMAK AREAS. THE CITIES OF WENATCHEE AND OMAK WILL LIKELY RECEIVE A RAIN AND SNOW MIX WITH NO SNOW ACCUMULATION. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && THIS INCLUDES THE FOLLOWING LOCATIONS...DISAUTEL PASS. $$
000 WWUS46 KOTX 191251 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 451 AM PST THU NOV 19 2009 WAZ042-200030- /O.EXT.KOTX.WS.W.0028.000000T0000Z-091120T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...CONCONULLY... BLEWETT PASS...LOUP LOUP PASS 451 AM PST THU NOV 19 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 PM PST THIS EVENING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 PM PST THIS EVENING. PERIODS OF HEAVY SNOW ARE EXPECTED TO PERSIST OVER THE EAST SLOPES OF THE NORTH CASCADES THROUGH THE EVENING. THE HEAVIEST SNOW WILL OCCUR NEAR THE CASCADE CREST WHERE STORM TOTAL ACCUMULATIONS WILL RANGE FROM 1 TO 2 FEET. VALLEY ACCUMULATIONS WILL GENERALLY OCCUR AT ELEVATIONS ABOVE 2000 FEET...IMPACTING THE TOWNS OF MAZAMA...PLAIN...AND STEHEKIN. ACCUMULATIONS AT THESE LOCATIONS WILL RANGE FROM 5 TO 10 INCHES WITH MUCH SMALLER AMOUNTS AT THE LOWER ELEVATIONS. LOCATIONS SUCH AS LEAVENWORTH...CHELAN...AND ARDENVOIR WILL SEE LITTLE IF ANY SNOW ACCUMULATIONS. THE SNOW WILL BEGIN TO TAPER OFF LATE THIS EVENING. 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. MOTORISTS PLANNING TO TRAVEL OVER STEVENS PASS OR ON HIGHWAY 97 BETWEEN CASHMERE AND ELLENSBURG SHOULD BE PREPARED FOR DANGEROUS WINTER DRIVING CONDITIONS. && THIS INCLUDES THE FOLLOWING LOCATIONS...MAZAMA...CONCONULLY... BLEWETT PASS...LOUP LOUP PASS. $$ WAZ038-200000- /O.CON.KOTX.WS.W.0028.000000T0000Z-091120T0000Z/ OKANOGAN HIGHLANDS- INCLUDING THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT... BOULDER CREEK ROAD...SHERMAN PASS 451 AM PST THU NOV 19 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. SNOW WILL REDEVELOP THIS MORNING OVER THE OKANOGAN HIGHLANDS AND CONTINUE INTO THE AFTERNOON. STORM TOTAL ACCUMULATIONS WILL RANGE FROM 3 TO 6 INCHES OVER VALLEY LOCATIONS SUCH AS REPUBLIC...CHESAW...AND WAUCONDA. THE SURROUNDING MOUNTAINS WILL SEE ACCUMULATIONS RANGING FROM 6 TO 10 INCHES. LOCATIONS BELOW 2000 FEET...INCLUDING KELLER...INCHELIUM...AND BOYDS WILL SEE LITTLE OF ANY SNOW ACCUMULATION. THE SNOW WILL TAPER OFF LATE THIS AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...REPUBLIC...INCHELIUM... WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS. $$ WAZ037-200000- /O.CON.KOTX.WW.Y.0035.000000T0000Z-091120T0000Z/ NORTHEAST MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD 451 AM PST THU NOV 19 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 WILL DEVELOP EARLY THIS MORNING AND CONTINUE INTO THE AFTERNOON. SNOW WILL INITIALLY IMPACT ALL LOCATIONS...HOWEVER THE SNOW LEVEL WILL RISE TO 3500 FEET IN THE AFTERNOON. SNOW ACCUMULATIONS WILL GENERALLY RANGE FROM 1 TO 3 INCHES IN THE VALLEYS IMPACTING THE TOWNS OF CHEWELAH...COLVILLE...AND METALINE FALLS. SNOW ACCUMULATIONS OVER THE SURROUNDING MOUNTAINS WILL RANGE FROM WITH 3 TO 7 INCHES. THE SNOW AND RAIN WILL TAPER OFF EARLY THIS 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...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD. $$ WAZ041-043-200000- /O.CON.KOTX.WW.Y.0035.000000T0000Z-091120T0000Z/ WENATCHEE AREA-OKANOGAN VALLEY- INCLUDING THE FOLLOWING LOCATIONS...DISAUTEL PASS 451 AM PST THU NOV 19 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 2000 FEET... A WINTER WEATHER ADVISORY ABOVE 2000 FEET REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. SNOW WILL REDEVELOP LATER THIS MORNING AS ANOTHER SURGE OF MOISTURE MOVES IN FROM THE PACIFIC. MOST OF THE SNOW WILL FALL AT LOCATIONS AT OR ABOVE 2000 FEET. THIS WILL IMPACT THE TOWNS OF NESPELEM...DISAUTEL...AND THE HIGHER TERRAIN NORTH AND WEST OF WENATCHEE AND ENTIAT. STORM TOTAL ACCUMULATIONS OVER THESE AREAS WILL RANGE FROM 2 TO 4 INCHES. AT LOWER ELEVATION LOCATIONS SUCH AS WENATCHEE AND OMAK...LITTLE IF ANY SNOW ACCUMULATION IS EXPECTED. THE PRECIPITATION WILL RAPIDLY TAPER OFF LATE THIS AFTERNOON OR EARLY THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && THIS INCLUDES THE FOLLOWING LOCATIONS...DISAUTEL PASS. $$
000 WWUS46 KOTX 191710 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 910 AM PST THU NOV 19 2009 WAZ041-043-191815- /O.CAN.KOTX.WW.Y.0035.000000T0000Z-091120T0000Z/ WENATCHEE AREA-OKANOGAN VALLEY- INCLUDING THE FOLLOWING LOCATIONS...DISAUTEL PASS 910 AM PST THU NOV 19 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER WEATHER ADVISORY FOR THE WENATCHEE AREA AND THE OKANOGAN VALLEY. AS OF 8 AM...TEMPERATURES IN THE OKANOGAN VALLEY AND THE WENATCHEE AREA RANGED FROM THE MID 30S TO THE LOWER 40S. TEMPERATURES OVERNIGHT WERE TOO WARM FOR SIGNIFICANT SNOW ACCUMULATIONS...AND ALL PRECIPITATION FOR THE REMAINDER OF THE DAY WILL FALL IN THE FORM OF RAIN. THIS INCLUDES THE FOLLOWING LOCATIONS...DISAUTEL PASS. $$ WAZ042-200000- /O.CON.KOTX.WS.W.0028.000000T0000Z-091120T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...CONCONULLY...BLEWETT PASS... LOUP LOUP PASS 910 AM PST THU NOV 19 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 2500 FEET... A WINTER STORM WARNING FOR HEAVY SNOW ABOVE 2500 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. AS OF 8 AM...SNOW LEVELS WERE AROUND 2500 FEET IN THE LEAVENWORTH...WINTHROP...AND LAKE CHELAN AREAS. SNOW LEVELS HAVE BEEN HIGH ENOUGH THAT MOST VALLEY LOCATIONS HAVE NOT RECEIVED MUCH ACCUMULATING SNOW...BUT THE NEARBY MOUNTAINS HAVE EXPERIENCED HEAVY SNOW. NO ADDITIONAL ACCUMULATIONS ARE ANTICIPATED BELOW 2500 FEET...INCLUDING LEAVENWORTH...WINTRHOP...OR TWISP. HEAVY SNOW WILL CONTINUE OVER THE MOUNTAINS TODAY...WITH AN ADDITIONAL 6 TO 12 INCHES OF SNOW OVER THE MOUNTAINS. THE SNOW WILL BEGIN TO TAPER OFF LATE THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. MOTORISTS PLANNING TO TRAVEL OVER STEVENS PASS OR ON HIGHWAY 97 BETWEEN CASHMERE AND ELLENSBURG SHOULD BE PREPARED FOR DANGEROUS WINTER DRIVING CONDITIONS. && THIS INCLUDES THE FOLLOWING LOCATIONS...CONCONULLY...BLEWETT PASS...LOUP LOUP PASS. $$ WAZ038-200000- /O.CON.KOTX.WS.W.0028.000000T0000Z-091120T0000Z/ OKANOGAN HIGHLANDS- INCLUDING THE FOLLOWING LOCATIONS...WAUCONDA...CHESAW ROAD... HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS 910 AM PST THU NOV 19 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 3000 FEET... A WINTER STORM WARNING FOR HEAVY SNOW ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. PERIODS OF SNOW WILL CONTINUE THROUGH LATE THIS AFTERNOON OVER THE OKANOGAN HIGHLANDS. STORM TOTAL ACCUMULATIONS ABOVE 3000 FEET WILL RANGE FROM 3 TO 6 INCHES INCLUDING THE COMMUNITIES OF CHESAW...AND WAUCONDA. THE SURROUNDING MOUNTAINS WILL SEE ACCUMULATIONS RANGING FROM 6 TO 10 INCHES. LOCATIONS BELOW 3000 FEET...INCLUDING REPUBLIC...KELLER...INCHELIUM...AND BOYDS WILL SEE LITTLE OF ANY SNOW ACCUMULATION. THE SNOW WILL TAPER OFF LATE THIS AFTERNOON. 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...WAUCONDA...CHESAW ROAD... HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS. $$ WAZ037-200000- /O.CON.KOTX.WW.Y.0035.000000T0000Z-091120T0000Z/ NORTHEAST MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD 910 AM PST THU NOV 19 2009 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON. PERIODS OF SNOW WILL CONTINUE THROUGH THIS AFTERNOON OVER THE MOUNTAINS OF NORTHEAST WASHINGTON. ADDITIONAL ACCUMULATIONS WILL GENERALLY BE ABOVE 2500 FEET THIS MORNING WITH SNOW LEVELS RISING TO 3000-3500 FEET THIS AFTERNOON. LOCATIONS AROUND DEER PARK...METALINE FALLS...AND IONE... ESPECIALLY ABOVE 2500 FEET WILL RECEIVE 1 TO 3 INCHES OF SNOW BY THIS AFTERNOON. NEARBY MOUNTAINS WILL LIKELY RECEIVE TOTAL ACCUMULATIONS OF 3 TO 7 INCHES. THE COMMUNITIES OF COLVILLE... CHEWELAH...AND KETTLE FALLS WILL NOT RECEIVE ANY ACCUMULATING SNOW FROM THIS SYSTEM. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && THIS INCLUDES THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD. $$
000 WWUS46 KOTX 192350 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 350 PM PST THU NOV 19 2009 WAZ038-200100- /O.CAN.KOTX.WS.W.0028.000000T0000Z-091120T0000Z/ OKANOGAN HIGHLANDS- INCLUDING THE FOLLOWING LOCATIONS...WAUCONDA...CHESAW ROAD... HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS 350 PM PST THU NOV 19 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING FOR THE OKANOGAN HIGHLANDS. THE THREAT FOR HEAVY SNOW HAS ENDED OVER THE OKANOGAN HIGHLANDS. ANY ADDITIONAL ACCUMULATIONS WILL BE LIMITED TO ELEVATIONS ABOVE 3500 FEET. THIS INCLUDES THE FOLLOWING LOCATIONS...WAUCONDA...CHESAW ROAD... HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS. $$ WAZ037-200100- /O.CAN.KOTX.WW.Y.0035.000000T0000Z-091120T0000Z/ NORTHEAST MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD 350 PM PST THU NOV 19 2009 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER WEATHER ADVISORY FOR THE MOUNTAINS OF NORTHEAST WASHINGTON. THE THREAT FOR HEAVY SNOW HAS ENDED OVER THE NORTHEAST MOUNTAINS OF WASHINGTON. ANY ADDITIONAL ACCUMULATIONS WILL BE LIMITED TO ELEVATIONS ABOVE 3500 FEET. THIS INCLUDES THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK... CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD... ORIN-RICE ROAD...FLOWERY TRAIL ROAD. $$ WAZ042-200600- /O.CON.KOTX.WS.W.0028.000000T0000Z-091120T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 350 PM PST THU NOV 19 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING FOR HEAVY SNOW ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. PERIODS OF HEAVY SNOW WILL CONTINUE TO IMPACT ELEVATIONS ABOVE 3000 FEET OVER THE EAST SLOPES OF THE NORTHERN CASCADES TONIGHT. AN ADDITIONAL 3 TO 6 INCHES OF SNOW WILL BE LIKELY...WITH THE MAJORITY OF THE ACCUMULATION OCCURRING THIS EVENING. TOTAL SNOW ACCUMULATIONS FOR THE MOUNTAINS WILL BE BETWEEN 1 AND 2 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. MOTORISTS PLANNING TO TRAVEL OVER STEVENS PASS OR ON HIGHWAY 97 BETWEEN CASHMERE AND ELLENSBURG SHOULD BE PREPARED FOR DANGEROUS WINTER DRIVING CONDITIONS. && THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$
000 WWUS46 KOTX 200431 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 831 PM PST THU NOV 19 2009 WAZ042-200545- /O.CAN.KOTX.WS.W.0028.000000T0000Z-091120T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 831 PM PST THU NOV 19 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS DECREASED IN INTENSITY ALONG THE EAST SLOPES OF THE NORTH WASHINGTON CASCADES WITH SNOW LEVELS RISING AS WELL. A CONTINUED FEED OF PACIFIC MOISTURE INTO FRIDAY MORNING WILL RESULT IN RAIN AND SNOW PERSISTING WITH SNOW LEVELS FLUCTUATING BETWEEN 3000 AND 4000 FEET. HOWEVER ADDITIONAL SNOW ACCUMULATIONS IN THE MOUNTAINS BELOW 4000 FEET WILL ONLY RANGE FROM 2 TO 4 INCHES WITH LOCALLY HIGHER AMOUNTS NEAR THE CASCADE CREST. THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$
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 Nov 18, 10:13 AM PST, 1 hour 44 minutes earlier.
Area forecast discussion, Nov 18, 10:13 AM PST, 1 hour 44 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
1013 AM PST WED NOV 18 2009
.SYNOPSIS...
MOST OF THE INLAND NORTHWEST WILL ENJOY SOME SUNSHINE THIS
AFTERNOON...BUT THE BREAK IN THE ACTIVE WEATHER WILL BE SHORT
LIVED. ANOTHER STORM SYSTEM WILL BRING PRECIPITATION TO THE REGION
TONIGHT AND TOMORROW. HEAVY SNOW ACCUMULATIONS WILL BE LIKELY OVER
THE EAST SLOPES OF THE NORTHERN CASCADES AND THE OKANOGAN
HIGHLANDS BY TOMORROW MORNING. THE UNSETTLED WEATHER PATTERN WILL
CONTINUE THROUGH THE WEEKEND WITH CHANCES OF LOW ELEVATION SNOW
ACCUMULATIONS ON SUNDAY.
&&
.DISCUSSION...
...HEAVY SNOW LIKELY FOR THE EAST SLOPES OF THE NORTHERN CASCADES
AND OKANOGAN HIGHLANDS TONIGHT AND TOMORROW...
.DISCUSSION...
THE MAJORITY OF THE INLAND NORTHWEST WILL ENJOY A BREAK IN THE
ACTIVE WEATHER PATTERN TODAY. A WEAK UPPER TROUGH WILL PASS ALONG
THE CANADIAN BORDER THIS AFTERNOON. WITH 500MB TEMPERATURES AROUND
-30C...WIDELY SCATTERED SNOW SHOWERS WILL BE POSSIBLE THROUGH 22Z
FOR THE MOUNTAINS AROUND COLVILLE...METALINE FALLS...AND BONNERS
FERRY. ELSEWHERE...MOSTLY SUNNY SKIES WILL CONTINUE THROUGH THE
AFTERNOON WITH LIGHT WINDS.
THE NEXT MOIST FRONTAL SYSTEM IS FORECAST TO BEGIN AFFECTING THE
NORTHERN CASCADES AS EARLY AS THIS EVENING. WINTER STORM WATCHES
ARE IN EFFECT FOR THE EAST SLOPES OF THE NORTHERN CASCADES...THE
OKANOGAN VALLEY AND THE OKANOGAN HIGHLANDS...INCLUDING THE
MAZAMA...STEHIKIN...AND REPUBLIC AREAS. /GKOCH
&&
.AVIATION...
MAINLY CLEAR SKIES ARE EXPECTED THROUGH 00-03Z OVER EASTERN
WASHINGTON AND NORTHERN IDAHO. A FEW LIGHT SNOW SHOWERS WILL BE
POSSIBLE FROM 18-21Z OVER THE MOUNTAINS NORTH OF COLVILLE AND
SANDPOINT...BUT VISIBILITIES AND CEILINGS WILL NOT HAVE ANY
PROLONGED IMPACT ON AVIATION. THE NEXT FRONTAL SYSTEM WILL BEGIN
TO SPREAD CLOUDS INTO CENTRAL AND EASTERN WASHINGTON THIS EVENING.
BY 06Z...SNOW WILL OVERSPREAD THE NORTHERN CASCADES AND INTO THE
WENATCHEE AND OMAK AREAS. PRECIPITATION AT WENATCHEE WILL LIKELY
BE A MIX OF RAIN AND SNOW WITH CEILINGS FALLING TO VFR OR LOWER BY
10-12Z. SNOW WILL SPREAD ACROSS THE NORTHERN TIER OF WASHINGTON
BETWEEN 10Z-15Z CAUSING LOW CEILINGS AND MOUNTAIN OBSCURATION FROM
OMAK TO COLVILLE. /GKOCH
&&
.PRELIMINARY POINT TEMPS/POPS...
SPOKANE 41 34 44 38 46 34 / 00 20 50 40 30 70
COEUR DALENE 42 33 44 38 49 34 / 00 20 30 20 30 80
PULLMAN 42 32 46 39 47 34 / 00 10 10 10 30 70
LEWISTON 46 34 49 41 52 36 / 00 10 0 10 10 50
COLVILLE 42 34 42 36 42 35 / 20 70 100 60 50 80
SANDPOINT 40 32 40 35 43 35 / 20 30 60 30 40 80
KELLOGG 39 29 39 37 45 32 / 10 10 20 10 30 80
MOSES LAKE 46 35 48 41 49 34 / 0 30 50 40 50 30
WENATCHEE 44 34 43 38 44 32 / 00 60 60 50 50 30
OMAK 44 32 42 36 44 31 / 10 80 90 70 60 40
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
WA...WINTER STORM WATCH FROM 4 PM PST THIS AFTERNOON THROUGH THURSDAY
AFTERNOON FOR EAST SLOPES NORTHERN CASCADES...OKANOGAN
HIGHLANDS...OKANOGAN VALLEY...WENATCHEE AREA.
&&Hazardous weather outlook, Nov 18, 6:06 AM PST, 5 hours 51 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 606 AM PST WED NOV 18 2009 WAZ038-041>043-191415- OKANOGAN HIGHLANDS-WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES- OKANOGAN VALLEY- 606 AM PST WED NOV 18 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL WASHINGTON. .DAY ONE...TODAY AND TONIGHT A SLOW MOVING WARM FRONT WILL BRING PERIODS OF SNOW TO PORTIONS OF NORTH CENTRAL WASHINGTON BEGINNING LATE THIS AFTERNOON AND CONTINUING THROUGH THE NIGHT. THE HEAVIEST SNOW IS EXPECTED TO FALL NEAR THE NORTH CASCADES. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY SNOW WILL CONTINUE TO FALL AT TIMES THROUGH THURSDAY BEFORE TAPERING OFF OVERNIGHT. 1 TO 2 FOOT SNOW ACCUMULATIONS ARE POSSIBLE NEAR THE CASCADE CREST WITH 6 TO 12 INCHES POSSIBLE IN THE NEARBY VALLEYS AND OKANOGAN HIGHLANDS. MODERATE SNOW WILL ALSO BE POSSIBLE ABOVE 2000 FEET NORTH AND WEST OF THE WENATCHEE AREA AND THE HIGHER ELEVATIONS SURROUNDING THE OKANOGAN VALLEY. IDZ001>004-026-027-WAZ031>037-044-191415- NORTHERN PANHANDLE-COEUR DALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWISTON AREA- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- LOWER GARFIELD AND ASOTIN COUNTIES-WASHINGTON PALOUSE- MOSES LAKE AREA-UPPER COLUMBIA BASIN-SPOKANE AREA- NORTHEAST MOUNTAINS-WATERVILLE PLATEAU- 606 AM PST WED NOV 18 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO... NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...TODAY AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 18, 3:52 AM PST | Winter Storm Watch | OTX | Chelan, Douglas, Ferry, Okanogan | 8 hr |
| Nov 18, 11:57 AM PST | Winter Weather Advisory | OTX | Chelan, Douglas, Okanogan, Pend Oreille, Spokane, Stevens | 28 hr |
Nearby
Winter 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.