Alert archive / Washington / Winter Weather Advisories in 2015
Winter Weather Advisory 21, NWS Spokane, WA
NWS Spokane, WA issued this winter weather advisory at Dec 13, 2015, 3:35 AM PST for Asotin County, Garfield County, Washington; Lewis County, Nez Perce County, Idaho. It took effect at Dec 13, 2015, 9:58 AM PST. It was in force for 28 hr.
The area
The counties it named.
The facts
- Issued
- Dec 13, 2015, 3:35 AM PST (11:35 UTC)
- In effect from
- Dec 13, 2015, 9:58 AM PST
- Expired
- Dec 14, 2015, 2:23 PM PST
- In force
- 28 hr
- Issued by
- NWS Spokane, WA
Counties Lewis County, ID, Nez Perce County, ID, Asotin County, WA, Garfield County, WA
The radar
The Pendleton radar (KPDT), 160 km from the middle of the area, began a volume at 11:38 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.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 11.6 hours before the alert went out and 162 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
- 534 m above ground
- 0-6 km bulk shear
- 72 kt
- 0-1 km storm-relative helicity
- 169 m²/s²
- 0-3 km storm-relative helicity
- 286 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
287 WWUS46 KOTX 131135 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 335 AM PST SUN DEC 13 2015 WAZ031-131945- /O.CON.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 335 AM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET...LOWERING TO VALLEY FLOORS LATER SUNDAY INTO MONDAY MORNING. * TEMPERATURES...IN THE 30S. * SNOW ACCUMULATIONS...OVERALL ACCUMULATION OF 5 TO 10 INCHES ABOVE 3500 FEET...1 TO 3 INCHES BELOW 3500 FT...AND LESS THAN AN INCH BELOW 2500 FEET. * TIMING...TONIGHT AND SUNDAY NIGHT. SNOW RATES ARE EXPECTED TO DWINDLE SUNDAY NIGHT INTO MONDAY. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. * WINDS...SOUTHWEST 10 TO 20 MPH WITH GUSTS UP TO 30 MPH. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...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. && $$ IDZ001-131800- /O.CON.KOTX.WS.W.0004.000000T0000Z-151213T1800Z/ NORTHERN PANHANDLE- INCLUDING THE FOLLOWING LOCATIONS...SCHWEITZER MOUNTAIN ROAD 335 AM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 4000 FEET... * LOCATIONS...SCHWEITZER MOUNTAIN ROAD. * SNOW ACCUMULATIONS...OVERALL TOTAL OF 6 TO 12 INCHES ABOVE 4000 FEET. 1 TO 3 INCHES BELOW 4000 FEET...WITH LITTLE OR NO ACCUMULATION ON VALLEY FLOORS. * TIMING...THE SNOW IS EXPECTED TO TAPER OFF AROUND MIDDAY SUNDAY. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...ABOVE 4000 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ IDZ004-131945- /O.CON.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 335 AM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 4000 FEET... * LOCATIONS...MULLAN...LOOKOUT PASS. * SNOW LEVEL...RISING TO 3500 FEET THIS MORNING...THEN DROPPING BACK TOWARD VALLEY FLOORS TONIGHT. * SNOW ACCUMULATIONS...OVERALL ACCUMULATION OF 1 TO 3 INCHES OF SNOW IN THE VALLEYS AND IN THE MOUNTAINS 7 TO 14 INCHES. * TIMING...THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. THIS INCLUDES I-90 OVER LOOKOUT PASS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...ABOVE 4000 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. && $$ IDZ027-131945- /O.NEW.KOTX.WW.Y.0021.151213T1800Z-151214T1800Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 335 AM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PST MONDAY ABOVE 3500 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 3500 FEET FOR SNOW...WHICH IS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PST MONDAY. * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...THREE TO 5 INCHES. * TIMING...LIGHT SNOW WILL DEVELOP THIS MORNING AND CONTINUE INTERMITTENTLY MODERATE TO HEAVY THROUGH TONIGHT * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WAZ042-131800- /O.CON.KOTX.WW.Y.0020.000000T0000Z-151213T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN 335 AM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN COLES CORNER AND STEVENS PASS... * LOCATIONS...MAZAMA...STEHEKIN. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES OF ACCUMULATION IS POSSIBLE NEAR THE CASCADE CREST. * TIMING...LOCALLY HEAVY SNOW SHOWERS WILL CONTINUE THROUGH 10 AM THIS MORNING AND THEN TAPER OFF. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN HAZARDOUS TRAVEL... INCLUDING HIGHWAY 2 FROM LEAVENWORTH TO STEVENS PASS...AND HIGHWAY 20 IN THE METHOW VALLEY. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$
7 follow-up statements
801 WWUS46 KOTX 131758 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 958 AM PST SUN DEC 13 2015 WAZ031-140500- /O.CAN.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ /O.EXB.KOTX.WW.Y.0021.151213T1758Z-151214T1200Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 958 AM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 3500 FEET FOR SNOW... WHICH IS IN EFFECT UNTIL 4 AM PST MONDAY. THE WINTER STORM WARNING HAS BEEN CANCELLED. * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS LATE SUNDAY INTO MONDAY MORNING. * TEMPERATURES...IN THE 30S. * SNOW ACCUMULATIONS...2 TO 5 INCHES...WITH ISOLATED AMOUNTS TO 8. * TIMING...LIGHT SNOW WILL DEVELOP THROUGH SUNDAY AND CONTINUE INTERMITTENTLY THROUGH TONIGHT * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * HAZARD ELEVATION...3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ001-131900- /O.EXP.KOTX.WS.W.0004.000000T0000Z-151213T1800Z/ NORTHERN PANHANDLE- INCLUDING THE FOLLOWING LOCATIONS...SCHWEITZER MOUNTAIN ROAD 958 AM PST SUN DEC 13 2015 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING ABOVE 4000 FEET... WHILE ADDITIONAL SNOW SHOWERS WILL BE FOUND OVER THE REGION...THE THREAT OF SIGNIFICANT ADDITIONAL ACCUMULATION HAS DWINDLED. THUS THE WINTER STORM WARNING ABOVE 4000 FEET HAS BEEN ALLOWED TO EXPIRE. $$ IDZ004-140500- /O.CON.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 958 AM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 4000 FEET... * LOCATIONS...MULLAN...LOOKOUT PASS. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 5 INCHES. * TIMING...THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. THIS INCLUDES I-90 OVER LOOKOUT PASS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...ABOVE 4000 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && $$ WAZ042-140500- /O.EXT.KOTX.WW.Y.0020.000000T0000Z-151214T1200Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN 958 AM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 AM PST MONDAY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN COLES CORNER AND STEVENS PASS... * LOCATIONS...MAZAMA...STEHEKIN. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 7 INCHES. * TIMING...MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE THROUGH THIS EVENING AND GRADUALLY WANE OVERNIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN HAZARDOUS TRAVEL... INCLUDING HIGHWAY 2 FROM LEAVENWORTH TO STEVENS PASS...AND HIGHWAY 20 IN THE METHOW VALLEY. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. 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. && $$ IDZ027-140500- /O.CON.KOTX.WW.Y.0021.151213T1800Z-151214T1800Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 958 AM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...2 TO 5 INCHES. * TIMING...LIGHT SNOW WILL DEVELOP THIS MORNING AND CONTINUE INTERMITTENTLY MODERATE TO HEAVY THROUGH TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
784 WWUS46 KOTX 140200 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 600 PM PST SUN DEC 13 2015 IDZ004-141000- /O.CON.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 600 PM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 4000 FEET... * LOCATIONS...MULLAN...LOOKOUT PASS. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 5 INCHES. * TIMING...THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. THIS INCLUDES I-90 OVER LOOKOUT PASS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...ABOVE 4000 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. && $$ WAZ031-141000- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151214T1200Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 600 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS LATE SUNDAY INTO MONDAY MORNING. * TEMPERATURES...IN THE 30S. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES. * TIMING...LIGHT SNOW CONTINUE INTERMITTENTLY TONIGHT * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * HAZARD ELEVATION...3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ027-141000- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151214T1800Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 600 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES. * TIMING...LIGHT SNOW WILL FALL INTERMITTENTLY MODERATE TO HEAVY TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 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 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. && $$ WAZ042-141000- /O.CON.KOTX.WW.Y.0020.000000T0000Z-151214T1200Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN 600 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN COLES CORNER AND STEVENS PASS... * LOCATIONS...MAZAMA...STEHEKIN. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 7 INCHES. * TIMING...MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE THROUGH THIS EVENING AND GRADUALLY WANE OVERNIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN HAZARDOUS TRAVEL... INCLUDING HIGHWAY 2 FROM LEAVENWORTH TO STEVENS PASS...AND HIGHWAY 20 IN THE METHOW VALLEY. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
409 WWUS46 KOTX 140423 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 823 PM PST SUN DEC 13 2015 IDZ004-141200- /O.CON.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 823 PM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 4000 FEET... * LOCATIONS...MULLAN...LOOKOUT PASS. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 4 INCHES OF SNOW PRIMARILY ABOVE 3500 FEET. * TIMING...THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. THIS INCLUDES I-90 OVER LOOKOUT PASS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...ABOVE 4000 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. && $$ WAZ031-141200- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151214T1200Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 823 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS LATE SUNDAY INTO MONDAY MORNING. * TEMPERATURES...IN THE 30S. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW CONTINUE INTERMITTENTLY TONIGHT * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * HAZARD ELEVATION...3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ027-141230- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151214T1800Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 823 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW WILL FALL INTERMITTENTLY MODERATE TO HEAVY TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 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 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. && $$ WAZ042-141200- /O.CON.KOTX.WW.Y.0020.000000T0000Z-151214T1200Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN 823 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN COLES CORNER AND STEVENS PASS... * LOCATIONS...MAZAMA...STEHEKIN. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 7 INCHES WEST OF A LINE FROM LEAVENWORTH TO WINTHROP. * TIMING...MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE THROUGH THIS EVENING AND GRADUALLY WANE OVERNIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN HAZARDOUS TRAVEL... INCLUDING HIGHWAY 2 FROM LEAVENWORTH TO STEVENS PASS...AND HIGHWAY 20 IN THE METHOW VALLEY. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
066 WWUS46 KOTX 140631 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1031 PM PST SUN DEC 13 2015 IDZ004-141200- /O.CON.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 1031 PM PST SUN DEC 13 2015 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 AM PST MONDAY ABOVE 4000 FEET... * LOCATIONS...MULLAN...LOOKOUT PASS. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 4 INCHES OF SNOW PRIMARILY ABOVE 3500 FEET. * TIMING...THE SNOW IS EXPECTED TO TAPER OFF LATE TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN DIFFICULT TRAVEL ON AREA ROADWAYS. THIS INCLUDES I-90 OVER LOOKOUT PASS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. * HAZARD ELEVATION...ABOVE 4000 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. && $$ WAZ031-141445- /O.EXT.KOTX.WW.Y.0021.000000T0000Z-151214T2300Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 1031 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM PST MONDAY... * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS LATE SUNDAY INTO MONDAY MORNING. * TEMPERATURES...IN THE 30S. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW CONTINUE INTERMITTENTLY TONIGHT * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * HAZARD ELEVATION...3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ IDZ027-141445- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151214T1800Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 1031 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST MONDAY ABOVE 3500 FEET... * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW WILL FALL INTERMITTENTLY MODERATE TO HEAVY TONIGHT. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 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 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. && $$ WAZ042-141200- /O.CON.KOTX.WW.Y.0020.000000T0000Z-151214T1200Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN 1031 PM PST SUN DEC 13 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST MONDAY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN COLES CORNER AND STEVENS PASS... * LOCATIONS...MAZAMA...STEHEKIN. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 7 INCHES WEST OF A LINE FROM LEAVENWORTH TO WINTHROP. * TIMING...MODERATE TO HEAVY SNOW SHOWERS WILL CONTINUE THROUGH THIS EVENING AND GRADUALLY WANE OVERNIGHT. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN HAZARDOUS TRAVEL... INCLUDING HIGHWAY 2 FROM LEAVENWORTH TO STEVENS PASS...AND HIGHWAY 20 IN THE METHOW VALLEY. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
423 WWUS46 KOTX 141045 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 245 AM PST MON DEC 14 2015 IDZ004-141145- /O.CAN.KOTX.WS.W.0004.000000T0000Z-151214T1200Z/ CENTRAL PANHANDLE MOUNTAINS- 245 AM PST MON DEC 14 2015 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING. OCCASIONAL LIGHT SNOW SHOWERS WILL CONTINUE TODAY BUT FURTHER ACCUMULATIONS WILL BE MINOR AND SPOTTY. $$ IDZ027-141845- /O.EXT.KOTX.WW.Y.0021.000000T0000Z-151215T0000Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 245 AM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 3500 FEET... * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW WILL INCREASE AGAIN THIS AFTERNOON. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WAZ031-141845- /O.EXT.KOTX.WW.Y.0021.000000T0000Z-151215T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 245 AM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS LATE SUNDAY INTO MONDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 3 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW WILL INCREASE AGAIN THIS AFTERNOON. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * HAZARD ELEVATION...3500 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 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. && $$ WAZ042-141500- /O.EXT.KOTX.WW.Y.0020.000000T0000Z-151214T1500Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN 245 AM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 7 AM PST THIS MORNING FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN WINTON AND STEVENS PASS... * LOCATIONS...MAZAMA...STEHEKIN. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES ON THE HIGHWAY 2 APPROACH TO STEVENS PASS FROM WINTON. * TIMING...MODERATE CONTINUE THROUGH EARLY THIS MORNING. * IMPACTS...SNOW COVERED ROADS WILL RESULT IN HAZARDOUS TRAVEL... INCLUDING HIGHWAY 2 FROM WINTON TO STEVENS PASS. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
023 WWUS46 KOTX 141423 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 623 AM PST MON DEC 14 2015 WAZ042-141530- /O.CAN.KOTX.WW.Y.0020.000000T0000Z-151214T1500Z/ EAST SLOPES NORTHERN CASCADES- 623 AM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER WEATHER ADVISORY. OCCASIONAL SNOW SHOWERS WILL CONTINUE THIS MORNING BUT FURTHER ACCUMULATIONS WILL BE LIGHT. $$ IDZ027-150000- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151215T0000Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...WINCHESTER... SOLDIERS MEADOW ROAD 623 AM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON ABOVE 3500 FEET... * LOCATIONS...CRAIGMONT...WINCHESTER...SOLDIERS MEADOW ROAD. * SNOW ACCUMULATIONS...AN ADDITIONAL 1 TO 3 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW WILL INCREASE AGAIN THIS AFTERNOON. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * HAZARD ELEVATION...ABOVE 3500 FEET. * WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ WAZ031-150000- /O.CON.KOTX.WW.Y.0021.000000T0000Z-151215T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 623 AM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST THIS AFTERNOON... * LOCATIONS...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. * SNOW LEVEL...3500 FEET LOWERING TO VALLEY FLOORS LATE SUNDAY INTO MONDAY MORNING. * SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 3 INCHES PRIMARILY ABOVE 3500 FEET. * TIMING...LIGHT SNOW WILL INCREASE AGAIN THIS AFTERNOON. * IMPACTS...SNOW COVERED ROADS WILL MAKE TRAVEL SLIPPERY. * WINDS...WEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH. * HAZARD ELEVATION...3500 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 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. && $$
866 WWUS46 KOTX 142223 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 223 PM PST MON DEC 14 2015 IDZ027-WAZ031-142330- /O.CAN.KOTX.WW.Y.0021.000000T0000Z-151215T0000Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- 223 PM PST MON DEC 14 2015 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER WEATHER ADVISORY. ALTHOUGH SOME SNOW SHOWERS ARE EXPECTED TONIGHT...THE THREAT OF SIGNIFICANT ACCUMULATION HAS WANED. ISOLATED SNOW AMOUNTS OF LESS THAN AN INCH ARE EXPECTED THROUGH THIS EVENING...WITH ONLY TRACE AMOUNTS POSSIBLE OVERNIGHT. $$
What forecasters said that day
The local office's own words before this winter weather advisory 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 weather advisory went out at Dec 13, 2:38 AM PST, 57 minutes earlier.
Area forecast discussion, Dec 13, 2:38 AM PST, 57 minutes before
Area Forecast Discussion
National Weather Service Spokane WA
238 AM PST SUN DEC 13 2015
.SYNOPSIS...
Unsettled weather will continue over the region today and tonight
with continued accumulating snow in the mountains making travel
difficult across area passes. A drying trend will begin on Monday
Temperatures will turn colder for next week with the active
weather pattern continuing.
&&
.DISCUSSION...
Today through Monday...A somewhat complex and dynamic weather
pattern exists over the region this morning. The satellite loop
depicts an occluding low pressure over Vancouver Island with a
second incipient surface low developing underneath a baroclinc
leaf structure at the base of a deepening offshore trough
approaching the Oregon Coast.
The frontal complex associated with the occluding low has already
passed through the forecast area...and regional radar suggests with
westerly flow in the wake of the occluded front a nice rain
shadow has enveloped the Columbia Basin...while the same westerly
flow promotes continued slop-over snow along the Cascade Crest and
continuous dense snow showers driving into the Idaho Panhandle
Mountains. This has warranted some changes overnight to the
current suite of winter weather highlights. The Winter Storm
warning for the Cascades has been cancelled...replaced with a
Winter Weather Advisory for areas near the Cascade Crest through
this morning as the slop-over continues but tapers off in direct
proportion to distance from the crest. The Winter Weather
Advisories across the northern Washington mountain zones have been
scrapped with significant precipitation having ended. The Winter
Storm Warnings above 4000 feet for the Panhandle Mountains will
continue in this westerly orographic flow regime...as will the WSW
for the Blue Mountains.
For today the main issue of concern...besides the orographic snow
issues...is the potential of the isentropic precipitation shield
to second system to dig northward into the forecast area as the
next surface low develops over Oregon today. Model consensus is
that this threat will mainly impact the southeastern zones with
basin rain and snow on the higher elevations of the Blues and the
Camas Prairie...and the Camas has been added to the highlight
suite with a Winter Weather Advisory for a slow but steady
accumulation of 3 to 5 inches of snow from today through midday
Monday...with a good chance of rain from Pullman southward over
the lower elevations.
Tonight the old occluded low pressure will meander into the
forecast area from the northwest...weakening further as it does
but with adequate moisture remaining throughout the region just
about every location will be subject to a brief period of snow
showers...best chance of minor further accumulations over the
mountains surrounding the basin...with little or no accumulation
in the basin overnight tonight. The cooler air being drawn into
the region with the arrival of the parent trough will promote snow
at all elevations tonight...but with little accumulation outside
of the mountains.
On Monday finally some drier air will begin to seep into the
region from the north and promote a drying trend from the
northwest to the southeast during the day...with high temperatures
finally settling back into the seasonably normal cool range.
/Fugazzi
Monday night through Saturday...A cooler and drier weather pattern
is expected initially before more unsettled weather returns by the
end of the week. Overall model agreement is good in depicting the
general pattern, but show differences with important details
beginning as early as Wednesday night.
Monday night through Wednesday: Overall a drier northwest flow is
expected although a short wave and associated vort max does drop
down from the northwest into the Idaho Panhandle Tuesday night
into Wednesday morning. The ECMWF has consistently been a bit
stronger with this wave compared to the GFS...and the past four
GFS runs have been trending towards the ECMWF. The ECMWF solution
would support the potential for 1 to 3 inches of snow for the
Camas Prairie and Central Panhandle Mountains with up to an inch
of snow for the North Idaho Panhandle...Coeur D'Alene area...and
Palouse. Snow levels will be down to the valley floors giving even
Lewiston a potential dusting. The Cascade crest may also see
light accumulations.
Wednesday night through Saturday: Models continue to show a wetter
system impacting the Inland NW which will likely cause some travel
impacts. Although the details are not consistent especially
timing. The GFS and Canadian models bring precip in Wednesday
night while the ECMWF brings in a drier punch from the north
behind the wave that tracks through Tuesday night/Wednesday
morning...such that the next system holds off til late Thursday
afternoon in the Cascades and then across the remainder of the
area Thursday night. Inherited forecast favored the slower
solution and since the ECMWF has been more consistent will
continue to lean this way. Initially snow levels should be low
enough for snow for all areas except possibly Lewiston area. Then
milder southwest flow develops with snow changing to rain in the
valleys from south to north. Although some solutions hold on to
enough cold air that the valleys near the Canadian border and in
the Cascades may not change over. There is loose agreement in the
models of snow for most areas Thursday night...changing to rain in
the valleys along and south of I-90 Friday...and then possibly
changing over to rain in the northern valleys and Cascade valleys
on Saturday. The potential for light to moderate snow
accumulations exists with possibly localized heavy amounts
especially in the mountains. A brief period of localized freezing
rain also can not be ruled out during the transition period from
snow to rain. JW
&&
.AVIATION...
06Z TAFS: Back edge of the weather system passing over the aviation
area tonight is resulting in a decrease in precipitation and
somewhat of an improving trend. However the abundant low level
moisture and southerly/southwesterly flow is likely to result in
problematic MVFR to IFR stratus over the KGEG area and
vicinity...while fog has been less of an issue. /Pelatti
&&
.PRELIMINARY POINT TEMPS/POPS...
Spokane 40 28 35 23 31 23 / 10 20 20 0 0 20
Coeur d'Alene 40 30 35 26 32 26 / 20 30 30 0 10 50
Pullman 40 30 34 27 32 26 / 70 30 30 10 10 40
Lewiston 45 33 40 29 37 30 / 80 30 30 10 10 20
Colville 39 28 36 21 31 22 / 20 30 20 0 10 20
Sandpoint 38 29 35 24 32 25 / 40 40 30 10 10 50
Kellogg 35 27 33 23 28 25 / 60 50 30 20 10 60
Moses Lake 45 28 40 21 35 22 / 10 20 10 0 0 10
Wenatchee 41 30 38 25 34 26 / 10 20 10 0 0 10
Omak 38 28 35 23 30 24 / 20 20 10 0 0 10
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Winter Storm Warning until 4 AM PST Monday for Central Panhandle
Mountains.
Winter Weather Advisory from 10 AM this morning to 10 AM PST
Monday for Lewis and Southern Nez Perce Counties.
Winter Storm Warning until 10 AM PST this morning for Northern
Panhandle.
WA...Winter Storm Warning until 4 AM PST Monday for Northeast Blue
Mountains.
Winter Weather Advisory until 10 AM PST this morning for East
Slopes Northern Cascades.
&&Hazardous weather outlook, Dec 12, 8:02 PM PST, 7 hours 33 minutes before
Hazardous Weather Outlook National Weather Service SPOKANE WA 802 PM PST SAT DEC 12 2015 IDZ001>004-027-WAZ031-033-036-037-140415- NORTHERN PANHANDLE-COEUR D'ALENE AREA-IDAHO PALOUSE- CENTRAL PANHANDLE MOUNTAINS-LEWIS AND SOUTHERN NEZ PERCE COUNTIES- NORTHEAST BLUE MOUNTAINS-WASHINGTON PALOUSE-SPOKANE AREA- NORTHEAST MOUNTAINS- 802 PM PST SAT DEC 12 2015 This Hazardous Weather Outlook is for portions of North Idaho... North Central Idaho...Northeast Washington and Southeast Washington. .DAY ONE...TONIGHT Tonight and into Sunday a cooler Pacific storm system will bring heavy snow accumulations to the mountains and moderate accumulations to the valleys of northeast Washington and the Idaho Panhandle. Minor snow accumulations are possible in the Spokane/Coeur D'Alene area and northern Columbia Basin. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY The next organized Pacific storm system will arrive on or about Thursday with another chance of minor valley accumulations and moderate mountain snow accumulations. Another moist storm system may arrive around Friday with valley rain and mountain snow. WAZ038-042-140415- OKANOGAN HIGHLANDS-EAST SLOPES NORTHERN CASCADES- 802 PM PST SAT DEC 12 2015 This Hazardous Weather Outlook is for portions of North Central Washington. .DAY ONE...TONIGHT Tonight and into Sunday a cool Pacific storm system will bring heavy snow accumulations to the Cascades east slopes. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY The next organized Pacific storm system will arrive on or about Thursday with another chance of minor valley accumulations and moderate mountain snow accumulations. Another moist storm system may arrive around Friday with valley rain and mountain snow. IDZ026-WAZ032-034-035-041-043-044-140415- LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-MOSES LAKE AREA- UPPER COLUMBIA BASIN-WENATCHEE AREA-OKANOGAN VALLEY- WATERVILLE PLATEAU- 802 PM PST SAT DEC 12 2015 This Hazardous Weather Outlook is for portions of North Central Idaho...Central Washington...East Central Washington...North Central Washington and Southeast Washington. .DAY ONE...TONIGHT No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY The next organized Pacific storm system will arrive on or about Thursday with another chance of minor valley accumulations and moderate mountain snow accumulations. Another moist storm system may arrive around Friday with valley rain and mountain snow.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 13, 12:46 AM PST | Winter Weather Advisory | OTX | 30 hr |
Nearby
Winter Weather Advisories in Washington, 2015Winter Weather Advisories in Idaho, 2015Every winter weather advisory in 2015
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.