Alert archive / Idaho / Winter Storm Warnings in 2015

Winter Storm Warning 8, NWS Spokane, WA

December 23, 20154 counties in Idaho

NWS Spokane, WA issued this winter storm warning at Dec 23, 2015, 2:33 PM PST for 4 counties in Idaho. It was in force for 23 hr. 6 reports came from inside the area while it was in force.

The area

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

The facts

Issued
Dec 23, 2015, 2:33 PM PST (22:33 UTC)
Expired
Dec 24, 2015, 1:33 PM PST
In force
23 hr
Issued by
NWS Spokane, WA

Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Shoshone County, ID

The radar

The Spokane radar (KOTX), 97 km from the middle of the area, began a volume at 22:34 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Dec 23, 4:12 PM PSTHEAVY SNOW 12Prichard, ID24 HOUR ACCUMULATION OF 12 INCHES. SNOW DEPTH 24 INCHES. STILL SNOWING.
Dec 24, 2:47 AM PSTHEAVY SNOW 18Prichard, ID18 INCHES IN THE LAST 12 HOURS
Dec 24, 6:00 AM PSTHEAVY SNOW 8Fernwood, ID
Dec 24, 6:12 AM PSTHEAVY SNOW 5.24 Se Alene, IDCOCORAHS ID-KT-22
Dec 24, 7:00 AM PSTHEAVY SNOW 6.31 Nnw Hayden, IDCOCORAHS ID-KT-21
Dec 24, 7:00 AM PSTHEAVY SNOW 7.21 Ene Kellogg, IDCOCORAHS ID-SH-1

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, 10.6 hours before the alert went out and 49 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Spokane, WA at 12:00Z on 2015-12-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2015-12-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 53 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
53 m²/s²
0-3 km storm-relative helicity
111 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

771 
WWUS46 KOTX 232233
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
233 PM PST WED DEC 23 2015

...LIGHT TO MODERATE SNOW THROUGH THURSDAY...

.SNOW SHOWERS ARE EXPECTED TO CONTINUE NEAR THE MOUNTAINS AND
INCREASE IN COVERAGE ACROSS EASTERN WASHINGTON AND IDAHO VALLEYS
LATER WEDNESDAY EVENING INTO THURSDAY MORNING. THE HEAVIEST SNOWS
ARE EXPECTED ACROSS IDAHO AND IN THE MOUNTAINS. IN ADDITION
INCREASING SOUTHWEST WINDS INTO SOUTHEAST WASHINGTON THROUGH
CENTRAL IDAHO MAY LEAD TO SOME BLOWING AND DRIFTING
SNOW...ESPECIALLY OVER EXPOSED LOCATIONS ACROSS THE PALOUSE. BETWEEN
LATE MORNING AND AFTERNOON THURSDAY SNOW SHOWERS ARE EXPECTED TO
CONTINUE...BUT THE AVERAGE SNOWFALL RATES AND WINDS ARE EXPECTED
TO DECREASE. THERE MAY BE ISOLATED BANDS OF MODERATE SNOW
LINGERING INTO THE AFTERNOON. SLICK OR SNOW COVERED ROADS WILL
LIKELY CONTINUE TO IMPACT TRAVEL...INCLUDING THE MOUNTAIN PASSES
SUCH AS FOURTH OF JULY...LOOKOUT AND STEVENS.

IDZ027-WAZ031-232345-
/O.CAN.KOTX.WW.Y.0028.000000T0000Z-151224T0000Z/
LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS-
233 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

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

WHILE LIGHT SNOW IS EXPECTED TO CONTINUE IN THE REGION...
ACCUMULATIONS ARE NOT EXPECTED TO BE SIGNIFICANT. THUS THE WINTER
WEATHER ADVISORY HAS BEEN CANCELLED.

$$

IDZ004-240800-
/O.UPG.KOTX.WW.Y.0028.000000T0000Z-151224T1500Z/
/O.NEW.KOTX.WS.W.0008.151223T2233Z-151225T0000Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST...
OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
233 PM PST WED DEC 23 2015

...WINTER STORM WARNING IN EFFECT UNTIL 4 PM PST THURSDAY...

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

* LOCATIONS...KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN... 
  FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS.

* SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCAL AMOUNTS BETWEEN
  10-12 INCHES IN THE HIGHER TERRAIN.

* TIMING...SNOW SHOWERS WILL CONTINUE...INCREASING IN INTENSITY
  AGAIN LATER THIS EVENING AND OVERNIGHT THROUGH THURSDAY MORNING.
  SNOW RATES ARE EXPECTED TO ABATE THURSDAY AFTERNOON BUT LOCALIZED
  MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH OF
  THE REGION. TRAVEL ACROSS FOURTH OF JULY AND LOOKOUT PASS MAY BE
  DIFFICULT AT TIMES WITH POSSIBLE DELAYS. INCREASING SOUTHWEST
  WINDS THIS EVENING AND TONIGHT MAY LEAD TO BLOWING AND DRIFTING
  SNOW IN THE MOUNTAINS. ADDITIONALLY...HEAVY AND WET SNOW MAY
  WEIGH DOWN AND/OR DAMAGE TREES AND POWER LINES.

* WINDS...SOUTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE MID 20S.

* 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.

&&

$$

WAZ036-037-240800-
/O.EXB.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
SPOKANE AREA-NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SPOKANE...CHENEY...
DAVENPORT...ROCKFORD...COLVILLE...DEER PARK...CHEWELAH...
NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD
233 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 4 PM PST THURSDAY...

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

* LOCATIONS...SPOKANE...CHENEY...DAVENPORT...ROCKFORD... 
  COLVILLE...DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS... 
  SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD.

* SNOW ACCUMULATIONS...IN THE VALLEYS 1 TO 3 INCHES...WITH LOCAL
  AMOUNTS TO 5. IN THE MOUNTAINS 3 TO 6 INCHES.

* TIMING...SNOW SHOWERS WILL INCREASE IN COVERAGE AND INTENSITY
  LATER THIS EVENING THROUGH THURSDAY MORNING. SNOW RATES ARE
  EXPECTED TO DECREASE THURSDAY AFTERNOON BUT LOCALIZED MODERATE
  SNOWS WILL STILL POSSIBLE. 

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH OF
  THE REGION. INCREASING SOUTHWEST WINDS THIS EVENING AND TONIGHT
  MAY LEAD TO BLOWING AND DRIFTING SNOW OVER PORTIONS OF SOUTHWEST
  AND SOUTHERN SPOKANE COUNTY. THIS INCLUDES ESPECIALLY
  UNSHELTERED AREAS SUCH AS I-90...US195 AND US2 NEAR AND SOUTH OF
  THE WEST PLAINS AND SOUTH OF SPOKANE TOWARD SPANGLE...BEFORE
  WINDS  DECREASE THURSDAY.

* WINDS...SOUTH 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* 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.

&&

$$

IDZ003-WAZ033-240800-
/O.EXT.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN
233 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST
THURSDAY...

* LOCATIONS...MOSCOW...PLUMMER...POTLATCH...GENESEE...PULLMAN... 
  COLFAX...ROSALIA...LA CROSSE...OAKESDALE...TEKOA...UNIONTOWN.

* SNOW ACCUMULATIONS...2 TO 4 INCHES WITH LOCAL AMOUNTS TO 5 OVER
  IDAHO. EXCEPT LESS THAN 2 INCHES WEST OF COLFAX...INCLUDING 
  LA CROSSE.

* TIMING...ISOLATED SNOW SHOWERS WILL CONTINUE...THEN INCREASING
  IN COVERAGE INTENSITY AGAIN LATER THIS EVENING AND OVERNIGHT
  THROUGH THURSDAY MORNING. SNOW RATES ARE EXPECTED TO DECREASE
  THURSDAY AFTERNOON...BUT LOCALIZED MODERATE SNOWS WILL STILL
  POSSIBLE. 

* IMPACTS: TRAVEL WILL BE IMPACTED BY ICE AND SNOW COVERED ROADS.
  BLOWING SNOW WILL LEAD TO TREACHEROUS TRAVEL CONDITIONS IN SOME
  LOCATIONS ACROSS THE PALOUSE. ROADS THAT TYPICALLY EXPERIENCE
  DRIFTING SNOW INCLUDE US195...95...AND HWY 27...BEFORE SPEEDS
  START TO DECREASE THROUGH THE DAY THURSDAY.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH...DECREASING
  TO 7 TO 15 MPH WITH GUSTS TO 20 MPH THURSDAY.

* TEMPERATURES...IN THE UPPER 20S.

* 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.

&&

$$

IDZ001-002-240800-
/O.EXT.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...COEUR D'ALENE...POST FALLS...HAYDEN...
WORLEY
233 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 4 PM PST
THURSDAY...

* LOCATIONS...COEUR D'ALENE...POST FALLS...HAYDEN...WORLEY... 
  SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...EASTPORT... 
  SCHWEITZER MOUNTAIN ROAD.

* SNOW ACCUMULATIONS...IN THE VALLEYS 2 TO 4 INCHES...WITH LOCAL
  AMOUNTS TO 6. IN THE MOUNTAINS 4 TO 9 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE...INCREASING IN INTENSITY
  AND COVERAGE LATER THIS EVENING THROUGH THURSDAY MORNING. SNOW
  RATES ARE EXPECTED TO ABATE THURSDAY AFTERNOON BUT LOCALIZED
  MODERATE SNOWS WILL STILL POSSIBLE. 

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH OF
  THE REGION. INCREASING SOUTHWEST WINDS THIS EVENING AND TONIGHT
  MAY LEAD TO BLOWING AND DRIFTING SNOW IN THE MOUNTAINS AND
  SECTIONS OF US95 SOUTH OF COEUR D ALENE...BEFORE SPEEDS DECREASE
  THURSDAY. ADDITIONALLY...HEAVY AND WET SNOW MAY WEIGH DOWN
  AND/OR DAMAGE TREES AND POWER LINES.

* WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* 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.

&&

$$

WAZ042-240800-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151224T1300Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN
233 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PST
THURSDAY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN
COLES CORNER AND STEVENS PASS...

* LOCATIONS...MAZAMA...STEHEKIN.

* SNOW ACCUMULATIONS...NEAR THE CREST 6 TO 12 INCHES. IN THE
  HIGHER VALLEYS EAST THE CREST 2 TO 6 INCHES AND 1 TO 3 INCHES
  AWAY FROM THE CREST...INCLUDING NEAR HIGHWAY 97.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH TONIGHT...WITH THE
  HIGHEST ACCUMULATIONS NEAR THE CASCADE CREST...BEFORE DECREASING
  IN COVERAGE AND INTENSITY THURSDAY.

* IMPACTS...TRAVEL ACROSS STEVENS PASS WILL BE IMPACTED BY 
  MODERATE TO HEAVY SNOW AT TIMES WITH POTENTIAL FOR DELAYS AND 
  RESTRICTIONS. SLICK CONDITIONS AND MODERATE ACCUMULATIONS WILL 
  BE POSSIBLE IN THE METHOW VALLEY AND HIGHWAY 2 CORRIDOR 
  BETWEEN COLES CORNER AND CASHMERE.

* TEMPERATURES...IN THE TEENS AND 20S OVERNIGHT.

* 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.

&&

$$
6 follow-up statements
653 
WWUS46 KOTX 240623
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1023 PM PST WED DEC 23 2015

...LIGHT TO MODERATE SNOW THROUGH THURSDAY...

.SNOW SHOWERS ARE EXPECTED TO CONTINUE OVER EASTERN WASHINGTON AND
NORTH IDAHO INTO THURSDAY MORNING. THE HEAVIEST SNOWS ARE
EXPECTED ACROSS IDAHO AND IN THE MOUNTAINS. IN ADDITION INCREASING
SOUTHWEST WINDS INTO SOUTHEAST WASHINGTON THROUGH CENTRAL IDAHO
MAY LEAD TO SOME BLOWING AND DRIFTING SNOW... ESPECIALLY OVER
EXPOSED LOCATIONS ACROSS THE PALOUSE. BETWEEN LATE MORNING AND
AFTERNOON THURSDAY SNOW SHOWERS ARE EXPECTED TO CONTINUE...BUT THE
AVERAGE SNOWFALL RATES AND WINDS ARE EXPECTED TO DECREASE. THERE
MAY BE ISOLATED BANDS OF MODERATE SNOW LINGERING INTO THE
AFTERNOON. SLICK OR SNOW COVERED ROADS WILL LIKELY CONTINUE TO
IMPACT TRAVEL...INCLUDING THE MOUNTAIN PASSES SUCH AS FOURTH OF
JULY...LOOKOUT AND STEVENS.

IDZ004-241500-
/O.CON.KOTX.WS.W.0008.000000T0000Z-151225T0000Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST...
OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
1023 PM PST WED DEC 23 2015

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PST
THURSDAY...

* LOCATIONS...KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN... 
  FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS.

* SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCAL AMOUNTS BETWEEN
  10 TO 12 INCHES IN THE HIGHER TERRAIN.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THURSDAY MORNING.
  SNOW RATES ARE EXPECTED TO ABATE THURSDAY AFTERNOON BUT
  LOCALIZED MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH 
  OF THE REGION. TRAVEL ACROSS FOURTH OF JULY AND LOOKOUT PASS 
  MAY BE DIFFICULT AT TIMES WITH POSSIBLE DELAYS. INCREASING 
  SOUTHWEST WINDS THIS EVENING AND TONIGHT MAY LEAD TO BLOWING 
  AND DRIFTING SNOW IN THE MOUNTAINS. ADDITIONALLY...HEAVY AND 
  WET SNOW MAY WEIGH DOWN AND/OR DAMAGE TREES AND POWER LINES.

* WINDS...SOUTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* TEMPERATURES...IN THE MID 20S.

* 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.

&&

$$

IDZ003-WAZ033-241500-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-
INCLUDING THE FOLLOWING LOCATIONS...MOSCOW...PLUMMER...POTLATCH...
GENESEE...PULLMAN...COLFAX...ROSALIA...LA CROSSE...OAKESDALE...
TEKOA...UNIONTOWN
1023 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
THURSDAY...

* LOCATIONS...MOSCOW...PLUMMER...POTLATCH...GENESEE...PULLMAN... 
  COLFAX...ROSALIA...LA CROSSE...OAKESDALE...TEKOA...UNIONTOWN.

* SNOW ACCUMULATIONS...2 TO 4 INCHES WITH LOCAL AMOUNTS TO 5 
  OVER IDAHO. EXCEPT LESS THAN 2 INCHES WEST OF COLFAX...
  INCLUDING LA CROSSE.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THURSDAY MORNING.
  SNOW RATES ARE EXPECTED TO DECREASE THURSDAY AFTERNOON...BUT
  LOCALIZED MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS: TRAVEL WILL BE IMPACTED BY ICE AND SNOW COVERED 
  ROADS. BLOWING SNOW WILL LEAD TO TREACHEROUS TRAVEL CONDITIONS 
  IN SOME LOCATIONS ACROSS THE PALOUSE. ROADS THAT TYPICALLY 
  EXPERIENCE DRIFTING SNOW INCLUDE US195...95...AND HWY 27...
  BEFORE SPEEDS START TO DECREASE THROUGH THE DAY THURSDAY.

* WINDS...SOUTH 10 TO 20 MPH WITH GUSTS UP TO 30 MPH...
  DECREASING TO 7 TO 15 MPH WITH GUSTS TO 20 MPH THURSDAY.

* TEMPERATURES...IN THE UPPER 20S.

* 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.

&&

$$

IDZ001-002-WAZ036-037-241500-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-SPOKANE AREA-
NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...COEUR D'ALENE...POST FALLS...HAYDEN...
WORLEY...SPOKANE...CHENEY...DAVENPORT...ROCKFORD...COLVILLE...
DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...
SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL ROAD
1023 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PST
THURSDAY...

* LOCATIONS...COEUR D'ALENE...POST FALLS...HAYDEN...WORLEY... 
  SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...EASTPORT... 
  SCHWEITZER MOUNTAIN ROAD...COLVILLE...DEER PARK...CHEWELAH... 
  NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE 
  ROAD...FLOWERY TRAIL ROAD...SPOKANE...CHENEY...DAVENPORT... 
  ROCKFORD.

* SNOW ACCUMULATIONS...IN THE VALLEYS 2 TO 4 INCHES...WITH LOCAL 
  AMOUNTS TO 6. IN THE MOUNTAINS 4 TO 9 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THURSDAY MORNING.
  SNOW RATES ARE EXPECTED TO ABATE THURSDAY AFTERNOON BUT
  LOCALIZED MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH 
  OF THE REGION. INCREASING SOUTHWEST WINDS THIS EVENING AND 
  TONIGHT MAY LEAD TO BLOWING AND DRIFTING SNOW IN THE MOUNTAINS 
  AND SECTIONS OF US95 SOUTH OF COEUR D ALENE...BEFORE SPEEDS 
  DECREASE THURSDAY. ADDITIONALLY...HEAVY AND WET SNOW MAY WEIGH 
  DOWN AND/OR DAMAGE TREES AND POWER LINES.

* WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* TEMPERATURES...IN THE UPPER 20S.

* 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.

&&

$$

WAZ042-241300-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151224T1300Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN
1023 PM PST WED DEC 23 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PST
THURSDAY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN
COLES CORNER AND STEVENS PASS...

* LOCATIONS...MAZAMA...STEHEKIN.

* SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATION 4 TO 8 INCHES.
  IN THE HIGHER VALLEYS NEAR THE CREST 1 TO 3 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH TONIGHT...WITH THE 
  HIGHEST ACCUMULATIONS NEAR THE CASCADE CREST...BEFORE 
  DECREASING IN COVERAGE AND INTENSITY THURSDAY.

* IMPACTS...TRAVEL ACROSS STEVENS PASS WILL BE IMPACTED BY 
  MODERATE TO HEAVY SNOW AT TIMES WITH POTENTIAL FOR DELAYS AND 
  RESTRICTIONS. SLICK CONDITIONS AND MODERATE ACCUMULATIONS WILL 
  BE POSSIBLE IN THE METHOW VALLEY AND HIGHWAY 2 CORRIDOR 
  BETWEEN COLES CORNER AND CASHMERE.

* TEMPERATURES...IN THE TEENS AND 20S OVERNIGHT.

* 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.

&&

$$
853 
WWUS46 KOTX 241308
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
508 AM PST THU DEC 24 2015

...LIGHT TO MODERATE SNOW THROUGH THURSDAY...

.SNOW SHOWERS ARE EXPECTED TO CONTINUE OVER EASTERN WASHINGTON
AND NORTH IDAHO INTO THIS MORNING. THE HEAVIEST SNOWS ARE
EXPECTED ACROSS IDAHO AND IN THE MOUNTAINS. IN ADDITION INCREASING
SOUTHWEST WINDS INTO SOUTHEAST WASHINGTON THROUGH CENTRAL IDAHO
MAY LEAD TO SOME BLOWING AND DRIFTING SNOW. THERE MAY BE ISOLATED
BANDS OF MODERATE SNOW LINGERING INTO THE AFTERNOON. SLICK OR SNOW
COVERED ROADS WILL LIKELY CONTINUE TO IMPACT TRAVEL...INCLUDING
THE MOUNTAIN PASSES SUCH AS FOURTH OF JULY...LOOKOUT AND STEVENS.

IDZ003-WAZ033-036-241415-
/O.CAN.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
IDAHO PALOUSE-WASHINGTON PALOUSE-SPOKANE AREA-
508 AM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

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

SNOW SHOWERS WILL LINGER ACROSS THE AREA THROUGH THE DAY BUT
ADDITIONAL ACCUMULATIONS ARE EXPECTED TO BE AROUND AN INCH.

$$

WAZ042-241900-
/O.EXP.KOTX.WW.Y.0028.000000T0000Z-151224T1300Z/
/O.NEW.KOTX.WW.Y.0029.151224T1308Z-151224T1900Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...PLAIN...MIDWAY
508 AM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 11 AM PST THIS MORNING
FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN COLES
CORNER AND STEVENS PASS...
...WINTER WEATHER ADVISORY HAS EXPIRED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR THE EAST CASCADE CREST INCLUDING HIGHWAY
2 BETWEEN COLES CORNER AND STEVENS PASS FOR SNOW WHICH IS IN
EFFECT UNTIL 11 AM PST THIS MORNING.

* LOCATIONS...PLAIN...MIDWAY.

* SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATION 4 TO 8 INCHES.
  IN THE HIGHER VALLEYS NEAR THE CREST 1 TO 3 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE THIS MORNING...WITH THE
  HIGHEST ACCUMULATIONS NEAR THE CASCADE CREST...BEFORE DECREASING
  IN COVERAGE AND INTENSITY THURSDAY.

* IMPACTS...TRAVEL ACROSS STEVENS PASS WILL BE IMPACTED BY 
  MODERATE TO HEAVY SNOW AT TIMES WITH POTENTIAL FOR DELAYS AND 
  RESTRICTIONS. SLICK CONDITIONS AND MODERATE ACCUMULATIONS WILL 
  BE POSSIBLE IN THE METHOW VALLEY AND HIGHWAY 2 CORRIDOR 
  BETWEEN COLES CORNER AND CASHMERE.
* ICE ACCUMULATIONS...


* 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.

&&

$$

IDZ004-242115-
/O.CON.KOTX.WS.W.0008.000000T0000Z-151225T0000Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST...
OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
508 AM PST THU DEC 24 2015

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

* LOCATIONS...KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN... 
  FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS.

* TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCAL AMOUNTS 
  BETWEEN 10 TO 12 INCHES IN THE HIGHER TERRAIN.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THIS MORNING. SNOW
  RATES ARE EXPECTED TO ABATE THIS AFTERNOON BUT LOCALIZED
  MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH 
  OF THE REGION. TRAVEL ACROSS FOURTH OF JULY AND LOOKOUT PASS 
  MAY BE DIFFICULT AT TIMES WITH POSSIBLE DELAYS. INCREASING 
  SOUTHWEST WINDS THIS EVENING AND TONIGHT MAY LEAD TO BLOWING 
  AND DRIFTING SNOW IN THE MOUNTAINS. ADDITIONALLY...HEAVY AND 
  WET SNOW MAY WEIGH DOWN AND/OR DAMAGE TREES AND POWER LINES.

* WINDS...SOUTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* 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.

&&

$$

IDZ001-002-WAZ037-242115-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...COEUR D'ALENE...POST FALLS...HAYDEN...
WORLEY...COLVILLE...DEER PARK...CHEWELAH...NEWPORT...
KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...
FLOWERY TRAIL ROAD
508 AM PST THU DEC 24 2015

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

* LOCATIONS...COEUR D'ALENE...POST FALLS...HAYDEN...WORLEY... 
  SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...EASTPORT... 
  SCHWEITZER MOUNTAIN ROAD...COLVILLE...DEER PARK...CHEWELAH... 
  NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE 
  ROAD...FLOWERY TRAIL ROAD.

* SNOW ACCUMULATIONS...IN THE VALLEYS 2 TO 4 INCHES...WITH LOCAL 
  AMOUNTS TO 6. IN THE MOUNTAINS 4 TO 9 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THIS MORNING. SNOW
  RATES ARE EXPECTED TO ABATE THIS AFTERNOON BUT LOCALIZED
  MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH OF
  THE REGION. INCREASING SOUTHWEST WINDS MAY LEAD TO BLOWING AND
  DRIFTING SNOW IN THE MOUNTAINS AND SECTIONS OF US95 SOUTH OF
  COEUR D ALENE...BEFORE SPEEDS DECREASE THURSDAY.
  ADDITIONALLY...HEAVY AND WET SNOW MAY WEIGH DOWN AND/OR DAMAGE
  TREES AND POWER LINES.

* WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* 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.

&&

$$
465 
WWUS46 KOTX 241323 AAA
WSWOTX

URGENT - WINTER WEATHER MESSAGE...UPDATED
NATIONAL WEATHER SERVICE SPOKANE WA
523 AM PST THU DEC 24 2015

...LIGHT TO MODERATE SNOW THROUGH THURSDAY...

.SNOW SHOWERS ARE EXPECTED TO CONTINUE OVER EASTERN WASHINGTON
AND NORTH IDAHO INTO THIS MORNING. THE HEAVIEST SNOWS ARE
EXPECTED ACROSS IDAHO AND IN THE MOUNTAINS. IN ADDITION
INCREASING SOUTHWEST WINDS INTO SOUTHEAST WASHINGTON THROUGH
CENTRAL IDAHO MAY LEAD TO SOME BLOWING AND DRIFTING SNOW. THERE
MAY BE ISOLATED BANDS OF MODERATE SNOW LINGERING INTO THE
AFTERNOON. SLICK OR SNOW COVERED ROADS WILL LIKELY CONTINUE TO
IMPACT TRAVEL...INCLUDING THE MOUNTAIN PASSES SUCH AS FOURTH OF
JULY...LOOKOUT AND STEVENS.

IDZ004-242130-
/O.CON.KOTX.WS.W.0008.000000T0000Z-151225T0000Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST...
OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
523 AM PST THU DEC 24 2015

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

* LOCATIONS...KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN... 
  FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS.

* TOTAL SNOW ACCUMULATIONS...4 TO 8 INCHES...WITH LOCAL AMOUNTS 
  BETWEEN 10 TO 12 INCHES IN THE HIGHER TERRAIN.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THIS MORNING. SNOW 
  RATES ARE EXPECTED TO ABATE THIS AFTERNOON BUT LOCALIZED 
  MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH 
  OF THE REGION. TRAVEL ACROSS FOURTH OF JULY AND LOOKOUT PASS 
  MAY BE DIFFICULT AT TIMES WITH POSSIBLE DELAYS. INCREASING 
  SOUTHWEST WINDS THIS EVENING AND TONIGHT MAY LEAD TO BLOWING 
  AND DRIFTING SNOW IN THE MOUNTAINS. ADDITIONALLY...HEAVY AND 
  WET SNOW MAY WEIGH DOWN AND/OR DAMAGE TREES AND POWER LINES.

* WINDS...SOUTHWEST 5 TO 15 MPH WITH GUSTS UP TO 25 MPH.

* 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.

&&

$$

IDZ001-002-WAZ037-242130-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...COEUR D'ALENE...POST FALLS...HAYDEN...
WORLEY...COLVILLE...DEER PARK...CHEWELAH...NEWPORT...
KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...
FLOWERY TRAIL ROAD
523 AM PST THU DEC 24 2015

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

* LOCATIONS...COEUR D'ALENE...POST FALLS...HAYDEN...WORLEY... 
  SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...EASTPORT... 
  SCHWEITZER MOUNTAIN ROAD...COLVILLE...DEER PARK...CHEWELAH... 
  NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE 
  ROAD...FLOWERY TRAIL ROAD.

* SNOW ACCUMULATIONS...IN THE VALLEYS 2 TO 4 INCHES...WITH LOCAL 
  AMOUNTS TO 6. IN THE MOUNTAINS 4 TO 9 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THIS MORNING. SNOW 
  RATES ARE EXPECTED TO ABATE THIS AFTERNOON BUT LOCALIZED 
  MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH 
  OF THE REGION. INCREASING SOUTHWEST WINDS MAY LEAD TO BLOWING 
  AND DRIFTING SNOW IN THE MOUNTAINS AND SECTIONS OF US95 SOUTH 
  OF COEUR D ALENE...BEFORE SPEEDS DECREASE THURSDAY. 
  ADDITIONALLY... HEAVY AND WET SNOW MAY WEIGH DOWN AND/OR 
  DAMAGE TREES AND POWER LINES.

* WINDS...SOUTH 5 TO 10 MPH WITH GUSTS UP TO 20 MPH.

* 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.

&&

$$

WAZ042-241900-
/O.CON.KOTX.WW.Y.0029.000000T0000Z-151224T1900Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN
523 AM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN
COLES CORNER AND STEVENS PASS...

* LOCATIONS...MAZAMA...STEHEKIN.

* SNOW ACCUMULATIONS...ADDITIONAL SNOW ACCUMULATION 4 TO 8 
  INCHES. IN THE HIGHER VALLEYS NEAR THE CREST 1 TO 3 INCHES.

* TIMING...SNOW SHOWERS WILL CONTINUE THIS MORNING...WITH THE 
  HIGHEST ACCUMULATIONS NEAR THE CASCADE CREST...BEFORE 
  DECREASING IN COVERAGE AND INTENSITY THURSDAY.

* IMPACTS...TRAVEL ACROSS STEVENS PASS WILL BE IMPACTED BY 
  MODERATE TO HEAVY SNOW AT TIMES WITH POTENTIAL FOR DELAYS AND 
  RESTRICTIONS. SLICK CONDITIONS AND MODERATE ACCUMULATIONS WILL 
  BE POSSIBLE IN THE METHOW VALLEY AND HIGHWAY 2 CORRIDOR 
  BETWEEN COLES CORNER AND CASHMERE. * ICE ACCUMULATIONS...

* 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.

&&

$$
382 
WWUS46 KOTX 241705
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
905 AM PST THU DEC 24 2015

...MORE ACCUMULATING SNOW TODAY IN NORTH IDAHO AND PORTIONS OF
EASTERN WASHINGTON...

IDZ004-250000-
/O.CON.KOTX.WS.W.0008.000000T0000Z-151225T0000Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST...
OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
905 AM PST THU DEC 24 2015

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

* LOCATIONS...KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN... 
  FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS.

* ADDITIONAL SNOW ACCUMULATIONS...BETWEEN 10 AM AND 4 PM...AN
  ADDITIONAL 1 TO 3 INCHES IN THE VALLEYS WITH LOCALIZED AMOUNTS
  UP TO 4 INCHES IN FAR NORTHERN SHOSHONE COUNTY.

* TIMING...LIGHT TO MODERATE SNOW SHOWERS WILL PERSIST THROUGH THE
  DAY WITH THE MOST SIGNIFICANT ACCUMULATIONS ALONG AND NORTH OF
  INTERSTATE 90.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH OF
  THE REGION. TRAVEL ACROSS FOURTH OF JULY AND LOOKOUT PASS MAY BE
  DIFFICULT AT TIMES WITH POSSIBLE DELAYS. ADDITIONALLY...HEAVY
  AND WET SNOW MAY WEIGH DOWN AND/OR DAMAGE TREES AND POWER LINES.

* 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.

&&

$$

IDZ001-002-WAZ037-250000-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-NORTHEAST MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...COEUR D'ALENE...POST FALLS...HAYDEN...
WORLEY...COLVILLE...DEER PARK...CHEWELAH...NEWPORT...
KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...
FLOWERY TRAIL ROAD
905 AM PST THU DEC 24 2015

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

* LOCATIONS...COEUR D'ALENE...POST FALLS...HAYDEN...WORLEY... 
  SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...EASTPORT... 
  SCHWEITZER MOUNTAIN ROAD...COLVILLE...DEER PARK...CHEWELAH... 
  NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE 
  ROAD...FLOWERY TRAIL ROAD.

* ADDITIONAL SNOW ACCUMULATIONS...FROM 10 AM TO 4 PM AN ADDITIONAL
  1 TO 3 INCHES AROUND COEUR D'ALENE...SANDPOINT...AND RATHDRUM
  WITH LOCALIZED AMOUNTS TO 4 INCHES AROUND LAKE PEND OREILLE. FOR
  COLVILLE...NORTHPORT...AND METALINE FALLS UP TO AN INCH OF
  ADDITIONAL ACCUMULATION TODAY.

* TIMING...SNOW SHOWERS WILL CONTINUE THROUGH THIS MORNING. SNOW 
  RATES ARE EXPECTED TO ABATE THIS AFTERNOON BUT LOCALIZED 
  MODERATE SNOWS WILL STILL POSSIBLE.

* IMPACTS...ICY AND SNOW COVERED ROADS ARE EXPECTED ACROSS MUCH OF
  THE REGION. ADDITIONALLY...HEAVY AND WET SNOW MAY WEIGH DOWN
  AND/OR DAMAGE TREES AND POWER LINES.

* 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.

&&

$$

WAZ042-241900-
/O.CON.KOTX.WW.Y.0029.000000T0000Z-151224T1900Z/
EAST SLOPES NORTHERN CASCADES-
INCLUDING THE FOLLOWING LOCATIONS...MAZAMA...STEHEKIN
905 AM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PST THIS
MORNING FOR THE EAST CASCADE CREST INCLUDING HIGHWAY 2 BETWEEN
COLES CORNER AND STEVENS PASS...

* LOCATIONS...MAZAMA...STEHEKIN...HIGHWAY 2 WEST OF LEAVENWORTH

* ADDITIONAL SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 1 INCH
  AROUND MAZAMA...STEHEKIN...AND PLAIN. AN ADDITIONAL 1 TO 3
  INCHES ON HIGHWAY 2 BETWEEN COLES CORNER AND STEVENS PASS.

* TIMING...SNOW SHOWERS WILL DECREASE THIS AFTERNOON.

* IMPACTS...TRAVEL ACROSS STEVENS PASS WILL BE IMPACTED BY
  MODERATE TO HEAVY SNOW AT TIMES WITH POTENTIAL FOR DELAYS AND
  RESTRICTIONS.

* 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.

&&

$$
279 
WWUS46 KOTX 241901
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1101 AM PST THU DEC 24 2015

...MORE ACCUMULATING SNOW TODAY IN NORTH IDAHO AND PORTIONS OF
EASTERN WASHINGTON...

WAZ042-242015-
/O.CAN.KOTX.WW.Y.0029.000000T0000Z-151224T1900Z/
EAST SLOPES NORTHERN CASCADES-
1101 AM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
WEATHER ADVISORY FOR THE EAST SLOPES OF THE CASCADES.

ADDITIONAL ACCUMULATIONS FOR THE EAST SLOPES OF THE CASCADES TODAY
WILL BE IN THE 1 TO 4 INCH RANGE IN THE MOUNTAINS ALONG THE CREST.
MOTORISTS WITH PLANS TO TRAVEL OVER STEVENS OR SNOQUALMIE PASS
TODAY SHOULD CHECK THE LATEST PASS CONDITIONS ON THE WASHINGTON
DOT WEB SITE.

$$

WAZ037-242015-
/O.CAN.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHEAST MOUNTAINS-
1101 AM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
WEATHER ADVISORY FOR THE NORTHEAST WASHINGTON MOUNTAINS.

THIS AFTERNOON AND EVENING...ADDITIONAL ACCUMULATIONS IN THE
COLVILLE...KETTLE FALLS... METALINE FALLS...AND NORTHPORT AREAS
SHOULD BE LESS THAN AN INCH. UP TO AN INCH WILL BE POSSIBLE AROUND
DEER PARK...SPRINGDALE...AND DIAMOND LAKE.

$$

IDZ004-250000-
/O.CON.KOTX.WS.W.0008.000000T0000Z-151225T0000Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST...
OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
1101 AM PST THU DEC 24 2015

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

* LOCATIONS...KELLOGG...PINEHURST...OSBURN...WALLACE...MULLAN... 
  FOURTH OF JULY PASS...DOBSON PASS...LOOKOUT PASS.

* ADDITIONAL SNOW ACCUMULATIONS...BETWEEN NOON AND 4 PM...AN
  ADDITIONAL 1 TO 2 INCHES IN THE VALLEYS. THE MOUNTAINS INCLUDING
  LOOKOUT PASS COULD RECEIVE AN ADDITIONAL 3 INCHES THIS
  AFTERNOON.

* TIMING...LIGHT TO MODERATE SNOW SHOWERS WILL PERSIST THROUGH 
  THE DAY WITH THE MOST SIGNIFICANT ACCUMULATIONS ALONG AND 
  NORTH OF INTERSTATE 90.

* IMPACTS...SNOW AND SLUSH COVERED ROADS ARE EXPECTED ACROSS MUCH
  OF THE REGION. TRAVEL ACROSS FOURTH OF JULY AND LOOKOUT PASS MAY
  BE DIFFICULT AT TIMES WITH POSSIBLE DELAYS. ADDITIONALLY...
  HEAVY AND WET SNOW MAY WEIGH DOWN AND/OR DAMAGE TREES AND POWER
  LINES.

* 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.

&&

$$

IDZ001-002-250000-
/O.CON.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...COEUR D'ALENE...POST FALLS...HAYDEN...
WORLEY
1101 AM PST THU DEC 24 2015

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

* LOCATIONS...COEUR D'ALENE...POST FALLS...HAYDEN...WORLEY... 
  SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...EASTPORT... 
  SCHWEITZER MOUNTAIN ROAD.

* ADDITIONAL SNOW ACCUMULATIONS...FROM NOON TO 4 PM AN ADDITIONAL
  1 TO 2 INCHES AROUND BETWEEN COEUR D'ALENE AND SANDPOINT. AN
  INCH OR LESS IS EXPECTED AROUND PRIEST LAKE AND BONNERS FERRY.

* TIMING...LIGHT SNOW SHOWERS WILL PRODUCE PERIODS OF ACCUMULATING
  SNOW THIS AFTERNOON.

* IMPACTS...SNOW AND SLUSH COVERED ROADS ARE EXPECTED ACROSS MUCH
  OF THE REGION. ADDITIONALLY...HEAVY AND WET SNOW MAY WEIGH DOWN
  AND/OR DAMAGE TREES AND POWER LINES.

* 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.

&&

$$
810 
WWUS46 KOTX 242133
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
133 PM PST THU DEC 24 2015

...SNOW DECREASING OVER THE IDAHO PANHANDLE TONIGHT...

.SNOW SHOWERS WILL PRODUCE LIGHT ACCUMULATIONS THIS EVENING IN THE
IDAHO PANHANDLE WITH UP TO 2 INCHES BETWEEN 3 PM AND 7 PM...
MAINLY ABOVE 4000 FEET. TREACHEROUS DRIVING CONDITIONS WILL BE
POSSIBLE ON INTERSTATE 90 FROM MULLAN TO LOOKOUT PASS AND INTO
MONTANA.

IDZ004-250300-
/O.CAN.KOTX.WS.W.0008.000000T0000Z-151225T0000Z/
/O.NEW.KOTX.WW.Y.0030.151224T2133Z-151225T0300Z/
CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS
133 PM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 7 PM PST THIS
EVENING FOR THE MULLAN AND LOOKOUT PASS AREA...
...WINTER STORM WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT UNTIL 7 PM PST
THIS EVENING. THE WINTER STORM WARNING HAS BEEN CANCELLED.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 2 INCHES TONIGHT.

* LOCATIONS...MULLAN...LOOKOUT PASS.

* TIMING...LIGHT SNOW SHOWERS WILL PERSIST INTO CHRISTMAS
  DAY...BUT ACCUMULATIONS WILL BE SNOW SHOWERS WILL DECREASE THIS
  EVENING.

* IMPACTS...HOLIDAY TRAVELERS SHOULD EXPECT TREACHEROUS DRIVING
  CONDITIONS THIS EVENING ON INTERSTATE 90 IN THE VICINITY OF
  LOOKOUT 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.

&&

$$

IDZ001-002-242245-
/O.CAN.KOTX.WW.Y.0028.000000T0000Z-151225T0000Z/
NORTHERN PANHANDLE-COEUR D'ALENE AREA-
133 PM PST THU DEC 24 2015

...WINTER WEATHER ADVISORY IS CANCELLED FOR THE COEUR D'ALENE AREA
AND THE NORTH IDAHO PANHANDLE...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER
WEATHER ADVISORY FOR THE COEUR D'ALENE...SANDPOINT...AND BONNERS
FERRY AREAS.

LIGHT SNOW SHOWERS WILL CONTINUE INTO THE NIGHT...BUT
ACCUMULATIONS SHOULD BE LESS THAN AN INCH.

$$

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 Dec 23, 2:13 PM PST, 20 minutes earlier.

Area forecast discussion, Dec 23, 2:13 PM PST, 20 minutes before
Area Forecast Discussion
National Weather Service Spokane WA
213 PM PST WED DEC 23 2015

.SYNOPSIS...
More snow and blowing snow is expected this evening through
tonight as another storm system moves through the area. Snow
shower chances will linger into the end of the week, with much
colder temperatures and drier conditions expected for the weekend
into next week.

&&

.DISCUSSION...
Tonight through Friday: The threat of snow showers will continue
across the region, but the risk starts to wane from the west later
Friday.

First between tonight and Thursday in the big picture a broad
unstable upper trough will be migrating across the region. Several
lobes of vorticity will be pivoting around it. A surface low near
Vancouver Island and an associated trough extending toward north
ID edge south and weaken through the period. Although the
atmosphere isn't particularly moist (with PWATs 85% of normal)
700-500mb lapse rates lay between 7.5-8.5 C/Km. There are also
pockets of marginally negative dtheta/dz lapse rates across
southern WA through the central Panhandle. These features together
are a good set-up for periodic and localized heavy snowfall rates,
especially between tonight and Thursday night. The lowest risk
will be in the lee of the Cascades and deeper Columbia Basin and
the highest will be near the Cascade crest and the northeast third
of WA and the ID Panhandle.

* Timing: although I don't think it will snow continuously the
  set-up suggests there will be a snow threat much of the period.
  Precise timing is a bit tricky but should be tied to the passage
  of the primary vorticity maxima. Details may need adjustment but
  the following is what models loosely model suggest. Between this
  evening and mid-Thursday three vorticity max pass in quick
  succession, with the third most organized vort max passing
  overnight into mid-Thursday. This suggests increasing snow
  showers through the evening across the northeast to eastern
  third of WA and the ID Panhandle, with rates peaking sometime
  between late evening and Thursday morning. Rates then appear to
  abate through mid-morning to mid-Thursday, with a possible
  exception in the vicinity of the surface trough within or near
  the base of the northeast mountains into the central Panhandle
  and possibly near the higher Palouse.

* Snow amounts: the lowest snow amounts are expected in the L-C
  Valley, lee of the Cascades, Columbia Basin and Okanogan
  Highlands. These will average in the half inch to one inch
  range. Local amounts to 2 inches are possible toward the
  Okanogan Highlands but some areas of the deep Columbia Basin and
  L-C Valley may see nothing. The highest amounts are expected
  across the Central Panhandle where between 4-8 inches, with
  local amounts to 12 are projected. Similar amounts are projected
  near the Cascade crest, while 1 to 4 inches is expected in the
  valleys away from the crest. Elsewhere snow amounts are
  projected to average between 1 to 3 inches, except local amounts
  up around 4 to 6 are possible the northern Panhandle, around the
  Coeur d'Alene area and the higher Palouse.

* Highlights and Impacts: Winter weather weather advisories were
  extended and/or expanded over portions of northeast WA, north ID
  and the Palouse. The advisory of the central Panhandle was
  upgraded to a winter storm warning. Again the heaviest is
  expected to develop later this evening into Thursday morning,
  but localized heavier bands linger here into the afternoon. In
  addition to the slick snow covered roads there may be localized
  blowing snow and drifting snow, especially across the Palouse
  into the Central Panhandle before winds start to abate Thursday
  morning to afternoon. There has been reports of that drifting
  snow around the Palouse even without signficant snow falling.
  The advisories near the Blue Mountains and Camas Prairie were
  not extended as the amounts are not expected to be a significant
  here, but this will be monitored. The advisory over the Cascade
  crest also continues through early Thursday morning. After that
  snow accumulations are expected to fall off here but it will be
  monitored and adjustment will be made if thinking changes.

Next between late Thursday afternoon and mid-Friday a fourth
vorticity max crosses the northern Cascades and drop east-southeast,
before the drier northwest flow starts to develop. This will renew
or in some places continue the threat of snow showers, including
the lee of the Cascades and Columbia Basin, from late Thursday
afternoon and Friday morning before the focus starts to shift into
the Idaho Panhandle and southeast WA Friday afternoon. By this
time the surface trough is weakening and the overall vorticity max
looks weaker. So the overall snow amounts are expected to be
relatively lighter, on the order of 1-2 over the Panhandle
Mountains and an inch or less elsewhere. That is over a 24-hour
period so snow rates look rather light. Temperatures by this time
will not have much opportunity to rise with many areas only reaching
the mid-20s Friday afternoon. The deeper Basin and L-C Valley
could approach 30 though. We also could see some locally breezy
conditions down the Okanogan Valley as northerly winds channel
through. Most guidance doesn't show winds here to be too strong
but the pressure gradients suggest models may be under- doing
speeds. But still speeds are not expected to be that significant
either way. /J. Cote'

Friday night through Sunday: A break period in the active and
progressive pattern will occur this weekend with all models
indicating an upper level ridge building over the region.
Lingering snow showers will remain in the Idaho Panhandle
mountains Friday evening...but no significant further accumulation
is expected.

The air mass will stabilize through the weekend as a
subsidence inversion develops as the upper ridge builds. This
will have two main ramifications for sensible weather around the
region. The first will be a noticeably cooler period...especially
if significant clearing occurs Friday evening. Light
winds...clearing skies...a drier continental air mass in the wake of
Fridays exiting system and fresh snow cover will conspire to allow
strong radiational cooling for very chilly temperatures by
Saturday morning. Single digits or low teens will be common...and
the potential exists for some sheltered valleys to drop below
zero. Daytime highs will be commensurately low achieving only the
upper teens and low 20s...maybe not even that high depending on
how widespread low clouds and fog are.

That will be the other issue. The subsidence inversion will act
to promote increasing coverage of low stratus and at least morning
fog over much of the region. The prospect for cold low
temperatures is high confidence. The areal extent and density of
fog and stratus is less confident...it may take a few days of
stagnation before any significant coverage or persistence of fog
and low clouds develops.

Sunday night through Wednesday...A quieter but still somewhat
active deep winter period will envelop the region through the
extended term. ECMWF has come more in line with the other dominant
guidance in maintaining a somewhat progressive westerly
flow...but with a twist. A broad split flow regime appears
imminent with the strong storm generating dynamic energy occurring
far to the south over the Great basin through the week. The
forecast area will be subject to a few weakening northern branch
short wave passages...each capable of producing some light snow
accumulations but no organized or coherent storm systems or
frontal complexes. In fact...the low level air mass will likely
remain somewhat de-coupled with a placid high pressure field near
the surface maintaining an increasingly stagnant low level sub-
inversion air mass with low clouds and fog common.

Thus through the extended period expect cold and murky deep winter
inversion conditions punctuated by occasional rounds of flurries
or minimally accumulating (less than 1 inch valleys and 1-2
inches in the mountains) light snow. /Fugazzi

&&

.AVIATION...
18Z TAFS: Snow, blowing snow, and low ceilings will be the
biggest impacts along the WA/ID border while low clouds and areas
of fog impact terminals in Central WA. The atmosphere is becoming
colder and increasingly unstable allowing any minor ripples to
bring snow showers. This is a drier snow with low water content
but still capable of delivering several inches. For the remainder
of today 18-00Z steady snow will persist in the Idaho Panhandle
Mtns with activity becoming steady but more showery between
Spokane and Pullman. Additional amounts of 1-2 inches will be
possible.  Winds have also picked across SE WA and will lead to
blowing and drifting snow near Pullman and possibly Spokane
International. These winds will downslope off the Blues and keep
VFR conditions at Lewiston. Snow will pickup again tonight after
03z bringing the potential for another round of moderate
accumulations between Spokane and Pullman. A brief snow shower
could move into Moses Lake but the main issue in this area and
toward Wenatchee will be ceilings. Some improvement is expected
21-01Z but conditions look to deteriorate after sunset although
this carries lower confidence with cooling aloft. /sb

&&

.PRELIMINARY POINT TEMPS/POPS...
Spokane        26  30  20  25  11  22 /  90  40  40  40  10  10
Coeur d'Alene  28  32  21  26  12  22 / 100  80  50  50  20  10
Pullman        26  30  20  25  12  23 /  90  50  30  50  20   0
Lewiston       30  35  23  30  17  27 /  50  30  20  20  20   0
Colville       26  30  21  25   8  23 /  70  80  40  30  10  10
Sandpoint      27  31  22  26  11  23 /  90  80  50  40  20  10
Kellogg        26  29  20  26  13  21 / 100 100  60  50  30  10
Moses Lake     25  31  18  27  15  25 /  30  10  20  10  10  10
Wenatchee      24  31  18  26  12  23 /  40  20  20  10  10  10
Omak           25  29  20  24   9  22 /  50  30  20  20  10  10

&&

.OTX WATCHES/WARNINGS/ADVISORIES...
ID...Winter Weather Advisory until 4 PM PST Thursday for Coeur
     d'Alene Area-Idaho Palouse-Northern Panhandle.

     Winter Storm Warning until 4 PM PST Thursday for Central
     Panhandle Mountains.

WA...Winter Weather Advisory until 4 PM PST Thursday for Northeast
     Mountains-Spokane Area-Washington Palouse.

     Winter Weather Advisory until 5 AM PST Thursday for East Slopes
     Northern Cascades.

&&
Hazardous weather outlook, Dec 23, 5:18 AM PST, 9 hours 15 minutes before
Hazardous Weather Outlook
National Weather Service SPOKANE WA
518 AM PST WED DEC 23 2015

IDZ001>004-026-027-WAZ031>038-041>044-241400-
NORTHERN PANHANDLE-COEUR D'ALENE 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-OKANOGAN HIGHLANDS-WENATCHEE AREA-
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-WATERVILLE PLATEAU-
518 AM PST WED DEC 23 2015

This Hazardous Weather Outlook is for portions of North Idaho...
North Central Idaho...Central Washington...East Central
Washington...North Central Washington...Northeast Washington and
Southeast Washington.

.DAY ONE...TODAY AND TONIGHT

One weather system will linger over the region through the
afternoon...with another poised to move through the region
tonight. This will result in widespread snow this
morning...changing to snow showers this afternoon and
tonight...with accumulationg snow for most areas.

Gusty winds will be possible across the eastern Basin and West
Plains and may result in areas of blowing and drifting snow.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Wintry conditions will continue through Friday with frequent snow
showers each capable of producing light valley accumulations and
moderate mountain accumulations.

By Saturday a dry break period will occur...but this will lead to
much cooler conditions with Saturday's low temperatures in the
single digits above zero across much of the region.

In the hours before

Local storm report, Dec 23, 9:36 AM PST, 4 hours 57 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
936 AM PST WED DEC 23 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0500 AM     SNOW             LEWISTON                46.39N 116.99W
12/23/2015  M2.0 INCH        NEZ PERCE          ID   PUBLIC

            STILL SNOWING. DOWNTOWN. FACEBOOK.

0500 AM     SNOW             WORLEY                  47.40N 116.92W
12/23/2015  M2.8 INCH        KOOTENAI           ID   PUBLIC

            STILL SNOWING. ROCKFORD BAY ON LAKE COEUR DALENE.
            FACEBOOK.

0500 AM     SNOW             NEWMAN LAKE             47.77N 117.09W
12/23/2015  E2.0 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. FACEBOOK.

0500 AM     SNOW             LEWISTON                46.39N 116.99W
12/23/2015  E3.5 INCH        NEZ PERCE          ID   PUBLIC

            STILL SNOWING. LEWISTON ORCHARDS. FACEBOOK.

0530 AM     SNOW             4 NNW SPOKANE           47.72N 117.45W
12/23/2015  M2.1 INCH        SPOKANE            WA   TRAINED SPOTTER

            COCORAHS WA-SP-34

0600 AM     SNOW             6 NE ELK                48.08N 117.19W
12/23/2015  M3.0 INCH        PEND OREILLE       WA   TRAINED SPOTTER

            COCORAHS WA-PO-1

0600 AM     SNOW             4 W ROCKFORD            47.45N 117.21W
12/23/2015  E0.0 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. MT HOPE. FACEBOOK.

0600 AM     SNOW             15 NW SPOKANE           47.81N 117.66W
12/23/2015  M2.0 INCH        SPOKANE            WA   TRAINED SPOTTER

            COCORAHS WA-SP-43

0600 AM     SNOW             3 E SPOKANE             47.67N 117.35W
12/23/2015  E1.0 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. SPOKANE VALLEY. FACEBOOK.

0600 AM     SNOW             RATHDRUM                47.81N 116.89W
12/23/2015  E2.0 INCH        KOOTENAI           ID   PUBLIC

            STILL SNOWING. FACEBOOK.

0600 AM     SNOW             1 NNW OROVILLE          48.96N 119.44W
12/23/2015  M1.5 INCH        OKANOGAN           WA   TRAINED SPOTTER

            COCORAHS WA-OK-5

0600 AM     SNOW             10 NNE HOPE             48.38N 116.26W
12/23/2015  M2.3 INCH        BONNER             ID   TRAINED SPOTTER

            COCORAHS ID-BR-22

0700 AM     SNOW             PRICHARD 3 ESE          47.64N 115.92W
12/23/2015  M3.4 INCH        SHOSHONE           ID   CO-OP OBSERVER

0700 AM     SNOW             10 NW KETTLE FALLS      48.72N 118.20W
12/23/2015  M1.1 INCH        FERRY              WA   TRAINED SPOTTER

            COCORAHS WA-FY-8

0700 AM     SNOW             HEYBURN S.P.            47.35N 116.77W
12/23/2015  M3.4 INCH        BENEWAH            ID   CO-OP OBSERVER

0700 AM     SNOW             PRICHARD 3 ESE          47.64N 115.92W
12/23/2015  M3.4 INCH        SHOSHONE           ID   CO-OP OBSERVER

0700 AM     SNOW             1 NNW HAYDEN            47.77N 116.80W
12/23/2015  M3.2 INCH        KOOTENAI           ID   TRAINED SPOTTER

            COCORAHS ID-KT-21

0700 AM     SNOW             4 SSE JULIAETTA         46.52N 116.67W
12/23/2015  M3.2 INCH        NEZ PERCE          ID   TRAINED SPOTTER

            COCORAHS ID-NP-1

0700 AM     SNOW             1 ENE KELLOGG           47.54N 116.12W
12/23/2015  M2.2 INCH        SHOSHONE           ID   TRAINED SPOTTER

            COCORAHS ID-SH-1

0700 AM     SNOW             12 NW ENTIAT            47.80N 120.40W
12/23/2015  M2.0 INCH        CHELAN             WA   TRAINED SPOTTER

            COCORAHS WA-CH-22

0700 AM     SNOW             4 N REPUBLIC            48.71N 118.72W
12/23/2015  M1.3 INCH        FERRY              WA   TRAINED SPOTTER

            COCORAHS WA-FY-1

0700 AM     SNOW             7 NNW WINTHROP          48.56N 120.26W
12/23/2015  M1.0 INCH        OKANOGAN           WA   TRAINED SPOTTER

            COCORAHS WA-OK-16

0700 AM     SNOW             6 NE CHATTAROY          47.95N 117.25W
12/23/2015  M2.0 INCH        SPOKANE            WA   TRAINED SPOTTER

            COCORAHS WA-SP-24

0700 AM     SNOW             GENESEE MCGREGOR        46.55N 116.91W
12/23/2015  M3.0 INCH        LATAH              ID   CO-OP OBSERVER

0700 AM     SNOW             GENESEE MCGREGOR        46.55N 116.91W
12/23/2015  M3.0 INCH        LATAH              ID   CO-OP OBSERVER

0700 AM     SNOW             COEUR D'ALENE           47.70N 116.79W
12/23/2015  E2.0 INCH        KOOTENAI           ID   PUBLIC

            STILL SNOWING. FACEBOOK.

0700 AM     SNOW             ROSALIA                 47.24N 117.37W
12/23/2015  M3.5 INCH        WHITMAN            WA   PUBLIC

            STILL SNOWING. DRIFTING ON HWY 195. FACEBOOK.

0700 AM     SNOW             12 N LEAVENWORTH        47.77N 120.66W
12/23/2015  M3.5 INCH        CHELAN             WA   TRAINED SPOTTER

            COCORAHS WA-CH-33

0700 AM     SNOW             4 SSW LAPWAI            46.35N 116.83W
12/23/2015  M2.0 INCH        NEZ PERCE          ID   TRAINED SPOTTER

            COCORAHS ID-NP-5

0700 AM     HEAVY SNOW       1 SSW RATHDRUM          47.79N 116.90W
12/23/2015  M4.5 INCH        KOOTENAI           ID   TRAINED SPOTTER

            COCORAHS ID-KT-5

0700 AM     SNOW             FERNWOOD                47.11N 116.40W
12/23/2015  M2.0 INCH        BENEWAH            ID   CO-OP OBSERVER

0700 AM     SNOW             12 SSE PRIEST RIVER     48.03N 116.81W
12/23/2015  M1.6 INCH        BONNER             ID   TRAINED SPOTTER

            COCORAHS ID-BR-15

0730 AM     SNOW             15 N DAVENPORT          47.87N 118.15W
12/23/2015  M1.5 INCH        LINCOLN            WA   TRAINED SPOTTER

            COCORAHS WA-LN-1

0730 AM     SNOW             1 NW PLAIN              47.77N 120.66W
12/23/2015  M3.8 INCH        CHELAN             WA   TRAINED SPOTTER

            COCORAHS WA-CH-35

0740 AM     SNOW             SANDPOINT               48.28N 116.56W
12/23/2015  E4.0 INCH        BONNER             ID   TRAINED SPOTTER

            ESTIMATED 3 TO 5 INCHES. SPOTTER-BONNER 49.

0742 AM     SNOW             3 NE LOON LAKE          48.09N 117.58W
12/23/2015  M3.5 INCH        STEVENS            WA   TRAINED SPOTTER

            STILL SNOWING. SPOTTER-STEVENS 45. DEER LAKE.

0754 AM     SNOW             1 NE PESHASTIN          47.57N 120.60W
12/23/2015  M1.2 INCH        CHELAN             WA   TRAINED SPOTTER

            COCORAHS WA-CH-28

0800 AM     SNOW             2 ENE LEAVENWORTH       47.60N 120.63W
12/23/2015  M1.6 INCH        CHELAN             WA   TRAINED SPOTTER

            COCORAHS WA-CH-27

0800 AM     SNOW             SW DOVER                48.25N 116.61W
12/23/2015  M2.5 INCH        BONNER             ID   TRAINED SPOTTER

            COCORAHS ID-BR-19

0800 AM     SNOW             8 SE NORTHPORT          48.84N 117.65W
12/23/2015  M0.4 INCH        STEVENS            WA   PUBLIC

            SNOW DEPTH 6 INCHES. FACEBOOK.

0800 AM     SNOW             SPOKANE                 47.67N 117.41W
12/23/2015  E2.0 INCH        SPOKANE            WA   TRAINED SPOTTER

            STILL SNOWING. SPOTTER-SPOKANE 132. FACEBOOK.

0800 AM     HEAVY SNOW       HOLDEN VILLAGE          48.20N 120.77W
12/23/2015  M6.6 INCH        CHELAN             WA   CO-OP OBSERVER

0800 AM     SNOW             6 W NEWPORT             48.18N 117.17W
12/23/2015  M2.2 INCH        PEND OREILLE       WA   TRAINED SPOTTER

            COCORAHS WA-PO-9

0800 AM     SNOW             VALLEY                  48.17N 117.72W
12/23/2015  M1.5 INCH        STEVENS            WA   PUBLIC

            STILL SNOWING. FACEBOOK.

0800 AM     HEAVY SNOW       PLUMMER                 47.33N 116.88W
12/23/2015  E4.0 INCH        BENEWAH            ID   PUBLIC

            STILL SNOWING. FACEBOOK.

0800 AM     SNOW             PULLMAN                 46.76N 117.19W
12/23/2015  M2.0 INCH        WHITMAN            WA   CO-OP OBSERVER

0800 AM     SNOW             BAYVIEW                 47.97N 116.57W
12/23/2015  M3.0 INCH        KOOTENAI           ID   CO-OP OBSERVER

0800 AM     SNOW             11 N DAVENPORT          47.81N 118.11W
12/23/2015  M1.5 INCH        LINCOLN            WA   TRAINED SPOTTER

            COCORAHS WA-LN-5

0800 AM     SNOW             DEER PARK               47.96N 117.43W
12/23/2015  E2.0 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. FACEBOOK.

0800 AM     SNOW             2 WSW DEER PARK         47.95N 117.48W
12/23/2015  M2.2 INCH        SPOKANE            WA   TRAINED SPOTTER

            COCORAHS WA-SP-14

0805 AM     SNOW             LAMONT GRAIN GROWERS    47.20N 117.91W
12/23/2015  M2.0 INCH        WHITMAN            WA   CO-OP OBSERVER

0812 AM     SNOW             ST. MARIES              47.31N 116.59W
12/23/2015  M2.8 INCH        BENEWAH            ID   CO-OP OBSERVER

0845 AM     SNOW             6 WNW SANDPOINT         48.31N 116.68W
12/23/2015  E3.0 INCH        BONNER             ID   PUBLIC

            STILL SNOWING. SCHWEITZER SKI RESORT. FACEBOOK.

0900 AM     SNOW             5 N SPOKANE             47.75N 117.41W
12/23/2015  M3.0 INCH        SPOKANE            WA   TRAINED SPOTTER

            COCORAHS WA-SP-30

&&

GKOCH
Local storm report, Dec 23, 10:54 AM PST, 3 hours 39 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
1054 AM PST WED DEC 23 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1000 AM     SNOW             ENDICOTT                46.93N 117.68W
12/23/2015  M2.5 INCH        WHITMAN            WA   PUBLIC

            FACEBOOK.

1000 AM     SNOW             2 E SPOKANE             47.67N 117.37W
12/23/2015  E3.5 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. SPOKANE VALLEY. FACEBOOK.

1000 AM     SNOW             CHATTAROY               47.89N 117.35W
12/23/2015  E3.0 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. FACEBOOK.

1010 AM     SNOW             SANDPOINT               48.28N 116.56W
12/23/2015  M3.0 INCH        BONNER             ID   TRAINED SPOTTER

            STILL SNOWING. SPOTTER-BONNER 5H.

&&

GKOCH
Local storm report, Dec 23, 11:02 AM PST, 3 hours 31 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE SPOKANE WA
1102 AM PST WED DEC 23 2015

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0600 AM     SNOW             4 W ROCKFORD            47.45N 117.21W
12/23/2015  E3.0 INCH        SPOKANE            WA   PUBLIC

            STILL SNOWING. MT HOPE. FACEBOOK.

&&

GKOCH

Nearby

Winter Storm Warnings in Idaho, 2015Every winter storm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.