Alert archive / Washington / Winter Storm Warnings in 2016
Winter Storm Warning 5, NWS Spokane, WA
NWS Spokane, WA issued this winter storm warning at Nov 23, 2016, 2:43 PM PST for 5 counties in Washington; Bonner County, Boundary County, Kootenai County, Idaho. It took effect at Nov 24, 2016, 1:00 AM PST. It was in force for 32 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 23, 2016, 2:43 PM PST (22:43 UTC)
- In effect from
- Nov 24, 2016, 1:00 AM PST
- Expired
- Nov 25, 2016, 8:58 AM PST
- In force
- 32 hr
- Issued by
- NWS Spokane, WA
Counties Bonner County, ID, Boundary County, ID, Kootenai County, ID, Ferry County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA
The radar
The Spokane radar (KOTX), 68 km from the middle of the area, began a volume at 22:44 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 24, 4:35 PM PST | SNOW 5.7 | 4 W Boyds, WA | HAD 0.4 INCHES OF SNOW OVERNIGHT AND ANOTHER 5.3 DURING THE DAY BRINGING THE TOTAL TO 5.7. VERY LIGHT SNOW STILL FALLING. |
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, 10.7 hours before the alert went out and 109 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
- 692 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 149 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
796 WWUS46 KOTX 232243 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 243 PM PST WED NOV 23 2016 ...SEVERAL ROUNDS OF SNOW FOR THE MOUNTAINS THROUGH THE THANKSGIVING HOLIDAY WEEKEND... .HEAVY MOUNTAIN SNOW WILL PUMMEL THE CASCADES...THE MOUNTAINS OF NORTHEAST WASHINGTON...AND THE HIGH ELEVATIONS OF FAR NORTH IDAHO THURSDAY INTO FRIDAY MORNING. SNOW ACCUMULATIONS IN THE MOUNTAINS WILL CAUSE SIGNIFICANT TRAVEL DIFFICULTY OVER MOUNTAIN PASSES LIKE STEVENS PASS ON INTERSTATE 90...SHERMAN PASS ON HIGHWAY 20...AND BLEWETT PASS ON HIGHWAY 97. WAZ043-232345- /O.CAN.KOTX.WS.A.0004.161124T1200Z-161125T1800Z/ OKANOGAN VALLEY- 243 PM PST WED NOV 23 2016 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WATCH. TEMPERATURES ON THURSDAY AND THURSDAY NIGHT ARE EXPECTED TO BE TOO WARM FOR SIGNIFICANT SNOW ACCUMULATIONS IN THE OKANOGAN VALLEY. WET ACCUMULATIONS UP TO 4 INCHES WILL BE POSSIBLE ABOVE 2000 FEET...BUT THE COMMUNITIES OF OMAK...BREWSTER...OROVILLE... AND OKANOGAN WILL RECEIVE RAIN OR A RAIN SNOW MIX. $$ WAZ042-240800- /O.UPG.KOTX.WS.A.0004.161124T1200Z-161125T1800Z/ /O.NEW.KOTX.WS.W.0005.161124T0900Z-161125T1400Z/ EAST SLOPES NORTHERN CASCADES- 243 PM PST WED NOV 23 2016 ...WINTER STORM WARNING IN EFFECT FROM 1 AM THURSDAY TO 6 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 1 AM THURSDAY TO 6 AM PST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...MAZAMA...TWISP...WINTHROP...CONCONULLY...BLEWETT PASS...AND LOUP LOUP PASS. * VALLEY SNOW ACCUMULATIONS...AS MUCH AS 2 TO 6 INCHES OF WET ACCUMULATION WILL BE POSSIBLE IN PORTIONS OF THE METHOW VALLEY. ELEVATIONS BELOW 2000 FEET MAY RECEIVE VERY LITTLE ACCUMULATION...BUT SPOTS A BIT HIGHER AROUND MAZAMA... WINTHROP...AND TWISP MAY GET AS MUCH AS 6 INCHES OF WET ACCUMULATION. * MOUNTAIN ACCUMULATIONS...10 TO 18 INCHES FOR ELEVATIONS ABOVE 3000 FEET AROUND LEAVENWORTH...LAKE CHELAN...AND THE PASAYTEN WILDERNESS. * TIMING...LIGHT SNOW WILL DEVELOP AROUND MIDNIGHT IN THE MOUNTAINS AND BECOME HEAVY DURING THE EARLY MORNING HOURS. HEAVY MOUNTAIN ACCUMULATIONS WILL OCCUR THURSDAY AND THURSDAY NIGHT. * IMPACTS...HOLIDAY TRAVEL WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL OVER STEVENS PASS...LOUP LOUP PASS...AND BLEWETT PASS WILL ENCOUNTER SNOW COVERED ROADS FROM EARLY THURSDAY MORNING THROUGH THURSDAY NIGHT. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ WAZ038-240800- /O.UPG.KOTX.WS.A.0004.161124T1200Z-161125T1800Z/ /O.NEW.KOTX.WS.W.0005.161124T1200Z-161125T1400Z/ OKANOGAN HIGHLANDS- 243 PM PST WED NOV 23 2016 ...WINTER STORM WARNING IN EFFECT FROM 4 AM THURSDAY TO 6 AM PST FRIDAY ABOVE 2500 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING ABOVE 2500 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 AM THURSDAY TO 6 AM PST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...REPUBLIC, WAUCONDA, CHESAW ROAD, HIGHWAY 20 WAUCONDA SUMMIT, BOULDER CREEK ROAD, AND SHERMAN PASS. * VALLEY SNOW ACCUMULATIONS...FOR ELEVATIONS ABOVE 2500 FEET...3 TO 6 INCHES WET SNOW IS EXPECTED...INCLUDING AREAS AROUND REPUBLIC...WAUCONDA...AND CERLEW. * MOUNTAIN SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALIZED AMOUNTS TO 16 WILL BE POSSIBLE IN THE MOUNTAINS...INCLUDING SHERMAN PASS. * TIMING...SNOW IS EXPECTED TO DEVELOP AROUND SUNRISE ON THURSDAY AND PERSIST THROUGH THE DAY AND INTO THE NIGHT. A MIX OF RAIN AND SNOW WILL LIKELY OCCUR BELOW 2000 FEET THURSDAY AND SNOW LEVELS WILL LIKELY RISE TO 3000 FEET BY THURSDAY NIGHT. * IMPACTS...HOLIDAY TRAVEL OVER SHERMAN PASS AND DISAUTEL PASS WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL ON THURSDAY AND THURSDAY NIGHT SHOULD MONITOR ROAD CONDITIONS CLOSELY. * HAZARD ELEVATION...ABOVE 2500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ IDZ001-WAZ037-240800- /O.UPG.KOTX.WS.A.0004.161124T1200Z-161125T1800Z/ /O.NEW.KOTX.WS.W.0005.161124T1600Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 243 PM PST WED NOV 23 2016 ...WINTER STORM WARNING IN EFFECT FROM 8 AM THURSDAY TO 10 AM PST FRIDAY ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING ABOVE 3000 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 8 AM THURSDAY TO 10 AM PST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * LOCATIONS...SCHWEITZER MOUNTAIN ROAD AND FLOWERY TRAIL ROAD. * VALLEY SNOW ACCUMULATIONS...ABOVE 2500 FEET...WET ACCUMULATIONS UP TO 4 INCHES WILL BE POSSIBLE AROUND KETTLE FALLS...NORTHPORT...METALINE FALLS...AND BONNERS FERRY. * MOUNTAIN SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...RAIN AND SNOW WILL INCREASE THURSDAY MORNING AND CONTINUE THROUGH THURSDAY NIGHT. SNOW LEVELS WILL START AROUND 2000 TO 2500 FEET THURSDAY MORNING AND RISE ABOVE 3000 FEET BY THURSDAY NIGHT. * IMPACTS...ROADS MAY BE TREACHEROUS ON THURSDAY NEAR THE CANADIAN BORDER. THE MOST SIGNIFICANT ACCUMULATIONS WITH THIS STORM WILL OCCUR AT ELEVATIONS ABOVE 3000 FEET. * HAZARD ELEVATION...3000 FEET * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
6 follow-up statements
721 WWUS46 KOTX 240629 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1029 PM PST WED NOV 23 2016 ...SEVERAL ROUNDS OF SNOW FOR THE MOUNTAINS THROUGH THE THANKSGIVING HOLIDAY WEEKEND... .HEAVY MOUNTAIN SNOW WILL PUMMEL THE CASCADES...THE MOUNTAINS OF NORTHEAST WASHINGTON...AND THE HIGH ELEVATIONS OF FAR NORTH IDAHO THURSDAY INTO FRIDAY MORNING. SNOW ACCUMULATIONS IN THE MOUNTAINS WILL CAUSE SIGNIFICANT TRAVEL DIFFICULTY OVER MOUNTAIN PASSES LIKE STEVENS PASS ON HIGHWAY 2 AND EAST TOWARDS PLAIN...SHERMAN PASS ON HIGHWAY 20...AND BLEWETT PASS ON HIGHWAY 97. WAZ042-241430- /O.CON.KOTX.WS.W.0005.161124T0900Z-161125T1400Z/ EAST SLOPES NORTHERN CASCADES- 1029 PM PST WED NOV 23 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST FRIDAY... * LOCATIONS...MAZAMA, TWISP, WINTHROP, CONCONULLY, BLEWETT PASS, AND LOUP LOUP PASS. * VALLEY SNOW ACCUMULATIONS...AS MUCH AS 2 TO 6 INCHES OF WET ACCUMULATION WILL BE POSSIBLE IN PORTIONS OF THE METHOW VALLEY. ELEVATIONS BELOW 2000 FEET MAY RECEIVE VERY LITTLE ACCUMULATION...BUT SPOTS A BIT HIGHER AROUND MAZAMA... WINTHROP...AND TWISP MAY GET AS MUCH AS 6 INCHES OF WET ACCUMULATION. CASCADE VALLEY LOCATIONS SOUTH OF LAKE CHELAN AND ALONG HIGHWAY 2 MAY SEE A RAIN SNOW MIX THURSDAY MORNING BUT NO SIGNIFICANT ACCUMULATIONS ARE EXPECTED ON THE ROADS. * MOUNTAIN ACCUMULATIONS...10 TO 18 INCHES FOR ELEVATIONS ABOVE 3000 FEET AROUND LEAVENWORTH...LAKE CHELAN...AND THE PASAYTEN WILDERNESS. * TIMING...LIGHT SNOW WILL DEVELOP AROUND MIDNIGHT IN THE MOUNTAINS AND BECOME HEAVY DURING THE EARLY MORNING HOURS. HEAVY MOUNTAIN ACCUMULATIONS WILL OCCUR THURSDAY AND THURSDAY NIGHT. * IMPACTS...HOLIDAY TRAVEL WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL OVER STEVENS PASS...LOUP LOUP PASS...AND BLEWETT PASS WILL ENCOUNTER SNOW COVERED ROADS FROM EARLY THURSDAY MORNING THROUGH THURSDAY NIGHT. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ WAZ038-241430- /O.CON.KOTX.WS.W.0005.161124T1200Z-161125T1400Z/ OKANOGAN HIGHLANDS- 1029 PM PST WED NOV 23 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM THURSDAY TO 6 AM PST FRIDAY ABOVE 2500 FEET... * LOCATIONS...REPUBLIC, WAUCONDA, CHESAW ROAD, HIGHWAY 20 WAUCONDA SUMMIT, BOULDER CREEK ROAD, AND SHERMAN PASS. * VALLEY SNOW ACCUMULATIONS...FOR ELEVATIONS ABOVE 2500 FEET... 3 TO 6 INCHES WET SNOW IS EXPECTED...INCLUDING AREAS AROUND REPUBLIC...WAUCONDA...AND CURLEW. * MOUNTAIN SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALIZED AMOUNTS TO 16 WILL BE POSSIBLE IN THE MOUNTAINS...INCLUDING SHERMAN PASS. * TIMING...SNOW IS EXPECTED TO DEVELOP AROUND SUNRISE ON THURSDAY AND PERSIST THROUGH THE DAY AND INTO THE NIGHT. A MIX OF RAIN AND SNOW WILL LIKELY OCCUR BELOW 2000 FEET THURSDAY AND SNOW LEVELS WILL LIKELY RISE TO 3000 FEET BY THURSDAY NIGHT. * IMPACTS...HOLIDAY TRAVEL OVER SHERMAN PASS AND DISAUTEL PASS WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL ON THURSDAY AND THURSDAY NIGHT SHOULD MONITOR ROAD CONDITIONS CLOSELY. * HAZARD ELEVATION...ABOVE 2500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ001-WAZ037-241430- /O.CON.KOTX.WS.W.0005.161124T1600Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 1029 PM PST WED NOV 23 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THURSDAY TO 10 AM PST FRIDAY ABOVE 3000 FEET... * LOCATIONS...EASTPORT, SCHWEITZER MOUNTAIN ROAD, SPRINGDALE- HUNTERS ROAD, ORIN-RICE ROAD, AND FLOWERY TRAIL ROAD. * VALLEY SNOW ACCUMULATIONS...ABOVE 2500 FEET...WET ACCUMULATIONS UP TO 4 INCHES WILL BE POSSIBLE AROUND KETTLE FALLS...NORTHPORT...METALINE FALLS...AND BONNERS FERRY. * MOUNTAIN SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...RAIN AND SNOW WILL INCREASE THURSDAY MORNING AND CONTINUE THROUGH THURSDAY NIGHT. SNOW LEVELS WILL START AROUND 2000 TO 2500 FEET THURSDAY MORNING AND RISE ABOVE 3000 FEET BY THURSDAY NIGHT. * IMPACTS...ROADS MAY BE TREACHEROUS ON THURSDAY NEAR THE CANADIAN BORDER. THE MOST SIGNIFICANT ACCUMULATIONS WITH THIS STORM WILL OCCUR AT ELEVATIONS ABOVE 3000 FEET. * HAZARD ELEVATION...3000 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$
575 WWUS46 KOTX 241316 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 516 AM PST THU NOV 24 2016 ...SEVERAL ROUNDS OF SNOW FOR THE MOUNTAINS THROUGH THE THANKSGIVING HOLIDAY WEEKEND... .HEAVY MOUNTAIN SNOW WILL PUMMEL THE CASCADES...THE MOUNTAINS OF NORTHEAST WASHINGTON...AND THE HIGH ELEVATIONS OF FAR NORTH IDAHO TODAY INTO FRIDAY MORNING. SNOW ACCUMULATIONS IN THE MOUNTAINS WILL CAUSE SIGNIFICANT TRAVEL DIFFICULTY OVER MOUNTAIN PASSES LIKE STEVENS PASS ON HIGHWAY 2 AND EAST TOWARDS PLAIN...SHERMAN PASS ON HIGHWAY 20...AND BLEWETT PASS ON HIGHWAY 97. WAZ042-242130- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1400Z/ EAST SLOPES NORTHERN CASCADES- 516 AM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST FRIDAY... * LOCATIONS...MAZAMA, TWISP, WINTHROP, CONCONULLY, BLEWETT PASS, AND LOUP LOUP PASS. * VALLEY SNOW ACCUMULATIONS...AS MUCH AS 2 TO 6 INCHES OF WET ACCUMULATION WILL BE POSSIBLE IN PORTIONS OF THE METHOW VALLEY. ELEVATIONS BELOW 2000 FEET MAY RECEIVE VERY LITTLE ACCUMULATION... BUT SPOTS A BIT HIGHER AROUND MAZAMA... WINTHROP...AND TWISP MAY GET AS MUCH AS 6 INCHES OF WET ACCUMULATION. CASCADE VALLEY LOCATIONS SOUTH OF LAKE CHELAN AND ALONG HIGHWAY 2 MAY SEE A RAIN SNOW MIX BUT NO SIGNIFICANT ACCUMULATIONS ARE EXPECTED ON THE ROADS. * MOUNTAIN ACCUMULATIONS...10 TO 18 INCHES FOR ELEVATIONS ABOVE 3500 FEET AROUND LEAVENWORTH...LAKE CHELAN...AND THE PASAYTEN WILDERNESS. * TIMING...LIGHT SNOW WILL DEVELOP IN THE MOUNTAINS AND BECOME HEAVY THIS MORNING...AND LAST INTO FRIDAY MORNING. * IMPACTS...HOLIDAY TRAVEL WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL OVER STEVENS PASS...LOUP LOUP PASS...AND BLEWETT PASS WILL ENCOUNTER SNOW COVERED ROADS THROUGH FRIDAY MORNING. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ WAZ038-242130- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1400Z/ OKANOGAN HIGHLANDS- 516 AM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST FRIDAY ABOVE 2500 FEET... * LOCATIONS...REPUBLIC, WAUCONDA, CHESAW ROAD, HIGHWAY 20 WAUCONDA SUMMIT, BOULDER CREEK ROAD, AND SHERMAN PASS. * VALLEY SNOW ACCUMULATIONS...FOR ELEVATIONS ABOVE 2500 FEET... 3 TO 6 INCHES OF WET SNOW IS POSSIBLE. * MOUNTAIN SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALIZED AMOUNTS TO 16 WILL BE POSSIBLE IN THE MOUNTAINS...INCLUDING SHERMAN PASS. * TIMING...SNOW IS EXPECTED TO DEVELOP THIS MORNING AND PERSIST INTO FRIDAY MORNING. A MIX OF RAIN AND SNOW WILL LIKELY OCCUR BELOW 2500 FEET TODAY...WITH SNOW LEVELS LIKELY RISING TO ABOVE 3000 FEET BY FRIDAY MORNING. * IMPACTS...HOLIDAY TRAVEL OVER SHERMAN PASS AND DISAUTEL PASS WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL ON THURSDAY AND THURSDAY NIGHT SHOULD MONITOR ROAD CONDITIONS CLOSELY. * HAZARD ELEVATION...ABOVE 2500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ IDZ001-WAZ037-242130- /O.CON.KOTX.WS.W.0005.161124T1600Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 516 AM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 10 AM PST FRIDAY ABOVE 3000 FEET... * LOCATIONS...EASTPORT, SCHWEITZER MOUNTAIN ROAD, SPRINGDALE- HUNTERS ROAD, ORIN-RICE ROAD, AND FLOWERY TRAIL ROAD. * VALLEY SNOW ACCUMULATIONS...ABOVE 2500 FEET...WET ACCUMULATIONS UP TO 4 INCHES WILL BE POSSIBLE. * MOUNTAIN SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...RAIN AND SNOW WILL INCREASE THIS MORNING AND CONTINUE INTO FRIDAY MORNING. SNOW LEVELS WILL START AROUND 2500 FEET AND RISE ABOVE 3000 FEET BY FRIDAY MORNING. * IMPACTS...ROADS MAY BE TREACHEROUS NEAR THE CANADIAN BORDER. THE MOST SIGNIFICANT ACCUMULATIONS WITH THIS STORM WILL OCCUR AT ELEVATIONS ABOVE 3000 FEET. * HAZARD ELEVATION...3000 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
240 WWUS46 KOTX 242107 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 107 PM PST THU NOV 24 2016 ...SEVERAL ROUNDS OF SNOW FOR THE MOUNTAINS THROUGH THE THANKSGIVING HOLIDAY WEEKEND... .HEAVY MOUNTAIN SNOW WILL CONTINUE IN THE CASCADES...THE MOUNTAINS OF NORTHEAST WASHINGTON...AND THE HIGH ELEVATIONS OF FAR NORTH IDAHO TONIGHT INTO FRIDAY MORNING. SNOW ACCUMULATIONS IN THE MOUNTAINS WILL CAUSE SIGNIFICANT TRAVEL DIFFICULTY OVER MOUNTAIN PASSES LIKE STEVENS PASS ON HIGHWAY 2...SHERMAN PASS AND LOUP LOUP PASS ON HIGHWAY 20...AND BLEWETT PASS ON HIGHWAY 97. WAZ038-042-250700- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1400Z/ OKANOGAN HIGHLANDS-EAST SLOPES NORTHERN CASCADES- 107 PM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST FRIDAY ABOVE 2500 FEET... * LOCATIONS...REPUBLIC, WAUCONDA, CHESAW ROAD, HIGHWAY 20 WAUCONDA SUMMIT, BOULDER CREEK ROAD, SHERMAN PASS, CONCONULLY, BLEWETT PASS, AND LOUP LOUP PASS. * MOUNTAIN SNOW ACCUMULATIONS...8 TO 12 INCHES WITH LOCALIZED AMOUNTS TO 16 WILL BE POSSIBLE IN THE MOUNTAINS...INCLUDING SHERMAN PASS AND LOUP LOUP PASS. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT BEFORE ENDING AROUND SUNRISE FRIDAY. * IMPACTS...HOLIDAY TRAVEL OVER SHERMAN PASS AND LOUP LOUP PASS WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL TONIGHT SHOULD MONITOR ROAD CONDITIONS CLOSELY. * HAZARD ELEVATION...ABOVE 2500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ IDZ001-WAZ037-250700- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 107 PM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY ABOVE 3000 FEET... * LOCATIONS...EASTPORT, SCHWEITZER MOUNTAIN ROAD, SPRINGDALE- HUNTERS ROAD, ORIN-RICE ROAD, AND FLOWERY TRAIL ROAD. * MOUNTAIN SNOW ACCUMULATIONS...6 TO 12 INCHES. * TIMING...SNOW WILL CONTINUE THROUGH THE NIGHT BEFORE TAPERING OFF FRIDAY MORNING. * IMPACTS...MOUNTAIN PASSES WILL BE SNOW PACKED. * HAZARD ELEVATION...ABOVE 3000 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
627 WWUS46 KOTX 250254 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 654 PM PST THU NOV 24 2016 ...SEVERAL ROUNDS OF SNOW FOR THE MOUNTAINS THROUGH THE THANKSGIVING HOLIDAY WEEKEND... .HEAVY MOUNTAIN SNOW WILL CONTINUE IN THE CASCADES...THE MOUNTAINS OF NORTHEAST WASHINGTON...AND THE HIGH ELEVATIONS OF FAR NORTH IDAHO TONIGHT INTO FRIDAY MORNING. SNOW ACCUMULATIONS IN THE MOUNTAINS WILL CAUSE SIGNIFICANT TRAVEL DIFFICULTY OVER MOUNTAIN PASSES LIKE STEVENS PASS ON HIGHWAY 2...SHERMAN PASS AND LOUP LOUP PASS ON HIGHWAY 20...AND BLEWETT PASS ON HIGHWAY 97. CHANGES MADE THIS EVENING WAS TO INCREASE THE SNOW LEVEL IN THE WARNING FOR THE CASCADES AND OKANOGAN HIGHLANDS TO ABOVE 3000 FEET. WAZ038-042-251400- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1400Z/ OKANOGAN HIGHLANDS-EAST SLOPES NORTHERN CASCADES- 654 PM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST FRIDAY ABOVE 3000 FEET... * LOCATIONS...WAUCONDA, CHESAW ROAD, HIGHWAY 20 WAUCONDA SUMMIT, BOULDER CREEK ROAD, SHERMAN PASS, BLEWETT PASS, AND LOUP LOUP PASS. * MOUNTAIN SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES WITH LOCALIZED AMOUNTS TO 9 INCHES WILL BE POSSIBLE IN THE MOUNTAINS...INCLUDING SHERMAN PASS AND LOUP LOUP PASS. * TIMING...SNOW WILL CONTINUE THROUGH THE NIGHT BEFORE ENDING AROUND SUNRISE FRIDAY. * IMPACTS...HOLIDAY TRAVEL OVER SHERMAN PASS AND LOUP LOUP PASS WILL BE SIGNIFICANTLY IMPACTED. MOTORISTS WITH PLANS TO TRAVEL TONIGHT SHOULD MONITOR ROAD CONDITIONS CLOSELY. * HAZARD ELEVATION...ABOVE 3000 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ IDZ001-WAZ037-251400- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 654 PM PST THU NOV 24 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY ABOVE 3000 FEET... * LOCATIONS...EASTPORT, SCHWEITZER MOUNTAIN ROAD, SPRINGDALE- HUNTERS ROAD, ORIN-RICE ROAD, AND FLOWERY TRAIL ROAD. * MOUNTAIN SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES WITH LOCALIZED AMOUNTS OF 10 TO 12 INCHES POSSIBLE IN NORTH IDAHO ALONG THE CANADIAN BORDER. * TIMING...SNOW WILL CONTINUE THROUGH THE NIGHT BEFORE TAPERING OFF FRIDAY MORNING. * IMPACTS...MOUNTAIN PASSES WILL BE SNOW PACKED. * HAZARD ELEVATION...ABOVE 3000 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
880 WWUS46 KOTX 251401 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 601 AM PST FRI NOV 25 2016 WAZ038-042-251515- /O.EXP.KOTX.WS.W.0005.000000T0000Z-161125T1400Z/ OKANOGAN HIGHLANDS-EAST SLOPES NORTHERN CASCADES- 601 AM PST FRI NOV 25 2016 ...WINTER STORM WARNING WILL EXPIRE AT 6 AM PST EARLY THIS MORNING ABOVE 3000 FEET... ACCUMULATING SNOW HAS ENDED OVER THE CASCADES AND OKANOGAN HIGHLANDS. SCATTERED SNOW SHOWERS ARE STILL POSSIBLE BUT FURTHER ACCUMULATIONS WILL BE LIGHT AND SPOTTY. $$ IDZ001-WAZ037-251800- /O.CON.KOTX.WS.W.0005.000000T0000Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 601 AM PST FRI NOV 25 2016 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 3000 FEET... * LOCATIONS...EASTPORT, SCHWEITZER MOUNTAIN ROAD, SPRINGDALE- HUNTERS ROAD, ORIN-RICE ROAD, AND FLOWERY TRAIL ROAD. * MOUNTAIN SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES WITH LOCALIZED AMOUNTS OF 4 TO 6 INCHES POSSIBLE IN NORTH IDAHO ALONG THE CANADIAN BORDER. * TIMING...SNOW WILL CONTINUE THROUGH THE EARLY MORNING HOURS AND TAPER OFF BEFORE NOON TODAY. * IMPACTS...MOUNTAIN PASSES WILL EXPERIENCE SLIPPERY CONDITIONS IN SNOW. * HAZARD ELEVATION...ABOVE 3000 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$
493 WWUS46 KOTX 251658 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 858 AM PST FRI NOV 25 2016 IDZ001-WAZ037-251800- /O.CAN.KOTX.WS.W.0005.000000T0000Z-161125T1800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS- 858 AM PST FRI NOV 25 2016 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING. THE STORM SYSTEM THAT BROUGHT ACCUMULATING SNOW TO THE NORTHEAST MOUNTAINS AND THE IDAHO PANHANDLE MOUNTAINS HAS ENDED. SCATTERED SNOW SHOWERS ARE STILL POSSIBLE BUT FURTHER ACCUMULATIONS WILL BE SPOTTY AND LIGHT. $$
Nearby
Winter Storm Warnings in Washington, 2016Winter Storm Warnings in Idaho, 2016Every winter storm warning in 2016
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.