Alert archive / Washington / Winter Storm Warnings in 2016

Winter Storm Warning 2, NWS Spokane, WA

January 15, 20164 counties in Washington

NWS Spokane, WA issued this winter storm warning at Jan 15, 2016, 2:40 PM PST for 4 counties in Washington. It took effect at Jan 15, 2016, 10:00 PM PST. It was in force for 16 hr. 26 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
Jan 15, 2016, 2:40 PM PST (22:40 UTC)
In effect from
Jan 15, 2016, 10:00 PM PST
Expired
Jan 16, 2016, 1:52 PM PST
In force
16 hr
Issued by
NWS Spokane, WA

Counties Chelan County, WA, Douglas County, WA, Grant County, WA, Okanogan County, WA

The radar

The Spokane radar (KOTX), 169 km from the middle of the area, began a volume at 22:44 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

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

What was reported inside it

TimeReportWhereRemark
Jan 16, 8:00 AM PSTSNOW 2.26 N Winthrop, WACOCORAHS WA-OK-20
Jan 16, 8:00 AM PSTSNOW 3Waterville, WA
Jan 16, 8:00 AM PSTSNOW 3.3Chelan, WA
Jan 16, 8:00 AM PSTSNOW 3.61 Nw Plain, WACOCORAHS WA-CH-35
Jan 16, 8:00 AM PSTHEAVY SNOW 4.3Holden Village, WA
Jan 16, 8:07 AM PSTSNOW 3.31 Ne Peshastin, WACOCORAHS WA-CH-28
Jan 16, 8:15 AM PSTSNOW 3.52 Ene Leavenworth, WACOCORAHS WA-CH-27
Jan 16, 8:20 AM PSTSNOW 0Cashmere, WA800 CUSTOMERS WITHOUT POWER IN YAKSUM CANYON NEAR CASHMERE FROM DOWNED WIRES...LIKELY WEATHER-RELATED.
Jan 16, 8:20 AM PSTSNOW 0.5Moses Lake, WABETWEEN 0.5 AND 1.00 IN MOSES LAKE. I-90 VERY SLICK BETWEEN MOSES LAKE AND VANTAGE.
Jan 16, 8:20 AM PSTSNOW 22 Wsw Malaga, WACOCORAHS WA-CH-17
Jan 16, 8:20 AM PSTSNOW 3Wenatchee, WARELAYED VIA FB.
Jan 16, 8:20 AM PSTSNOW 3.5Lake Chelan State Park, WAREPORT VIA FB
Jan 16, 8:20 AM PSTHEAVY SNOW 5Leavenworth, WALEAVENWORTH NFH
Jan 16, 8:35 AM PSTSNOW 31 Wsw Wenatchee, WACOCORAHS WA-CH-13
Jan 16, 9:05 AM PSTSNOW 2Tonasket, WAREPORT VIA FB.
Jan 16, 9:05 AM PSTSNOW 3Carlton, WAREPORT VIA FB. STILL SNOWING HARD
Jan 16, 9:05 AM PSTSNOW 3.5Twisp, WABETWEEN 3 AND 4 INCHES ESTIMATED VIA FB REPORT.
Jan 16, 9:05 AM PSTHEAVY SNOW 6Mazama, WAREPORT VIA FB
Jan 16, 10:00 AM PSTSNOW 3.8Mazama, WA
Jan 16, 10:10 AM PSTSNOW 1Moses Lake, WA
Jan 16, 10:15 AM PSTHEAVY SNOW 6.5Stehekin, WA
Jan 16, 10:55 AM PSTSNOW 43 S Twisp, WA
Jan 16, 11:30 AM PSTSNOW 4Chelan, WA
Jan 16, 11:30 AM PSTSNOW 5.5Leavenworth, WA
Jan 16, 12:48 PM PSTSNOW 41 E Wenatchee, WA
Jan 16, 1:15 PM PSTSNOW 5Leavenworth, WA

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

The nearest sounding before it

Spokane, WA (KOTX), launched 12:00Z, 10.7 hours before the alert went out and 260 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 2016-01-15Temperature 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°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Spokane, WA at 12:00Z on 2016-01-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 60 square meters per square second.1939587897Sfc1 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
644 m above ground
0-6 km bulk shear
65 kt
0-1 km storm-relative helicity
60 m²/s²
0-3 km storm-relative helicity
73 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

786 
WWUS46 KOTX 152240
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
240 PM PST FRI JAN 15 2016

...SNOW WILL TO MOVE INTO THE REGION TONIGHT AND LINGER OVER THE
REGION THROUGH SATURDAY...

.MODERATE SNOW WILL SPREAD ACROSS THE CASCADES TONIGHT...THEN
SPREAD EAST THROUGH THE REGION ON SATURDAY. EXPECT MAINLY SNOW
NEAR THE CASCADES...NORTHERN MOUNTAINS...AND IDAHO PANHANDLE WITH
A MIX OF RAIN AND SNOW...POSSIBLY MIXED WITH BRIEF FREEZING RAIN
ACROSS THE COLUMBIA BASIN. CASCADE VALLEYS MAINLY SOUTH OF LAKE
CHELAN MAY COULD ALSO EXPERIENCE A BRIEF PERIOD OF FREEZING RAIN.
SNOWFALL RATES COULD BE INTENSE AT TIMES SATURDAY MORNING ALONG
THE EAST SLOPES OF THE CASCADES. PRECIPITATION SHOULD BEGIN TO
TAPER OFF SATURDAY AFTERNOON.

WAZ041>044-160645-
/O.UPG.KOTX.WS.A.0002.160116T1200Z-160117T0600Z/
/O.NEW.KOTX.WS.W.0002.160116T0600Z-160117T0000Z/
WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
INCLUDING THE FOLLOWING LOCATIONS...WENATCHEE...CHELAN...ENTIAT...
CASHMERE...LEAVENWORTH...MAZAMA...TWISP...WINTHROP...STEHEKIN...
CONCONULLY...BLEWETT PASS...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS...
WATERVILLE...MANSFIELD...BADGER MOUNTAIN ROAD
240 PM PST FRI JAN 15 2016

...WINTER STORM WARNING IN EFFECT FROM 10 PM THIS EVENING TO 4 PM
PST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM
WARNING FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST SATURDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT.

* LOCATIONS...WENATCHEE...CHELAN...ENTIAT...CASHMERE... 
  LEAVENWORTH...MAZAMA...TWISP...WINTHROP...STEHEKIN...
  CONCONULLY... BLEWETT PASS...LOUP LOUP PASS...OMAK...
  OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE...NESPELEM...
  DISAUTEL PASS...WATERVILLE... MANSFIELD...BADGER MOUNTAIN ROAD.

* TEMPERATURES...IN THE UPPER 20S.

* SNOW ACCUMULATIONS...3 TO 6 INCHES OF SNOW IN THE VALLEYS AND IN
  THE MOUNTAINS 6 TO 13 INCHES...LOCALLY HIGHER NEAR THE CREST.

* TIMING...SNOW...MODERATE AT TIMES WILL MOVE INTO THE REGION 
  EARLY SATURDAY MORNING AND CONTINUE THROUGH THE DAY. BY 
  SATURDAY EVENING SNOW WILL BE CONFINED TO THE CREST OF THE 
  CASCADES.

* IMPACTS...SNOW COVERED ROADWAYS WILL MAKE FOR HAZARDOUS DRIVING
  CONDITIONS.

* 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.

&&

$$

IDZ001-004-160645-
/O.NEW.KOTX.WW.Y.0006.160116T1200Z-160117T1200Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST...OSBURN...
WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
240 PM PST FRI JAN 15 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM SATURDAY TO 4 AM
PST SUNDAY...

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

* LOCATIONS...SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...
   EASTPORT...SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST... 
  OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON 
  PASS... LOOKOUT PASS.

* SNOW ACCUMULATIONS...2 TO 6 INCHES OF SNOW IN THE VALLEYS AND IN
  THE MOUNTAINS 5 TO 9 INCHES.

* TIMING...SNOW WILL BEGIN SATURDAY MORNING...THEN INCREASE IN
  INTENSITY SATURDAY AFTERNOON...SNOW WILL TURN TO SNOW SHOWERS
  SATURDAY EVENING AND LINGER THROUGH THE NIGHT. 

* IMPACTS...ACCUMULATING SNOW WILL CREATE WINTER DRIVING
  CONDITIONS.

* SNOW LEVEL...VALLEY FLOORS.

* 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.

&&

$$

WAZ037-038-160645-
/O.NEW.KOTX.WW.Y.0006.160116T0600Z-160117T0000Z/
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
240 PM PST FRI JAN 15 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO 4 PM PST SATURDAY.

* LOCATIONS...COLVILLE...DEER PARK...CHEWELAH...NEWPORT...KETTLE
  FALLS...SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY TRAIL
  ROAD...REPUBLIC...INCHELIUM...WAUCONDA...CHESAW ROAD... HIGHWAY
  20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN PASS.

* SNOW ACCUMULATIONS...2 TO 4 INCHES IN THE VALLEYS AND 3 TO 6
  INCHES IN THE MOUNTAINS.

* TIMING...LIGHT SNOW WILL BEGIN TONIGHT...THEN INCREASE IN
  INTENSITY SATURDAY MORNING...BEFORE ENDING LATE SATURDAY
  AFTERNOON.

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING
  CONDITIONS.

* 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.

&&

$$

WAZ035-160645-
/O.NEW.KOTX.WW.Y.0006.160116T0600Z-160117T0000Z/
UPPER COLUMBIA BASIN-
INCLUDING THE FOLLOWING LOCATIONS...GRAND COULEE...WILBUR...
COULEE CITY
240 PM PST FRI JAN 15 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
4 PM PST SATURDAY...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER
WEATHER ADVISORY FOR SNOW...WHICH IS IN EFFECT FROM 10 PM THIS
EVENING TO 4 PM PST SATURDAY.

* LOCATIONS...GRAND COULEE...WILBUR...COULEE CITY.

* SNOW ACCUMULATIONS...UP TO 3 INCHES.

* TIMING...SNOW ALONG AND NORTH THE I-90 CORRIDOR WILL BEGIN
  OVERNIGHT AND INCREASE IN INTENSITY SATURDAY MORNING...THEN
  ENDING LATE SATURDAY AFTERNOON

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING
  CONDITIONS.

* 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.

&&

$$
3 follow-up statements
282 
WWUS46 KOTX 160444
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
844 PM PST FRI JAN 15 2016

...SNOW WILL TO MOVE INTO THE REGION TONIGHT AND LINGER OVER THE
REGION THROUGH SATURDAY...

.MODERATE SNOW WILL SPREAD ACROSS THE CASCADES TONIGHT...THEN
SPREAD EAST THROUGH THE REGION ON SATURDAY. EXPECT MAINLY SNOW
NEAR THE CASCADES...NORTHERN MOUNTAINS...AND IDAHO PANHANDLE WITH
A MIX OF RAIN AND SNOW...POSSIBLY MIXED WITH BRIEF FREEZING RAIN
ACROSS THE COLUMBIA BASIN. CASCADE VALLEYS MAINLY SOUTH OF LAKE
CHELAN MAY COULD ALSO EXPERIENCE A BRIEF PERIOD OF FREEZING RAIN.
SNOWFALL RATES COULD BE INTENSE AT TIMES SATURDAY MORNING ALONG
THE EAST SLOPES OF THE CASCADES. PRECIPITATION SHOULD BEGIN TO
TAPER OFF SATURDAY AFTERNOON.

WAZ041>044-161500-
/O.CON.KOTX.WS.W.0002.160116T0600Z-160117T0000Z/
WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
INCLUDING THE FOLLOWING LOCATIONS...WENATCHEE...CHELAN...ENTIAT...
CASHMERE...LEAVENWORTH...MAZAMA...TWISP...WINTHROP...STEHEKIN...
CONCONULLY...BLEWETT PASS...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS...
WATERVILLE...MANSFIELD...BADGER MOUNTAIN ROAD
844 PM PST FRI JAN 15 2016

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

* LOCATIONS...WENATCHEE...CHELAN...ENTIAT...CASHMERE... 
  LEAVENWORTH...MAZAMA...TWISP...WINTHROP...STEHEKIN...
  CONCONULLY... BLEWETT PASS...LOUP LOUP PASS...OMAK...
  OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE...NESPELEM...
  DISAUTEL PASS...WATERVILLE... MANSFIELD...BADGER MOUNTAIN ROAD.

* TEMPERATURES...IN THE UPPER 20S.

* SNOW ACCUMULATIONS...3 TO 6 INCHES OF SNOW IN THE VALLEYS AND 
  IN THE MOUNTAINS 6 TO 13 INCHES...LOCALLY HIGHER NEAR THE 
  CREST.

* TIMING...SNOW...MODERATE AT TIMES WILL MOVE INTO THE REGION 
  EARLY SATURDAY MORNING AND CONTINUE THROUGH THE DAY. BY 
  SATURDAY EVENING SNOW WILL BE CONFINED TO THE CREST OF THE 
  CASCADES.

* IMPACTS...SNOW COVERED ROADWAYS WILL MAKE FOR HAZARDOUS 
  DRIVING CONDITIONS.

* 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.

&&

$$

IDZ001-004-161500-
/O.CON.KOTX.WW.Y.0006.160116T1200Z-160117T1200Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST...OSBURN...
WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
844 PM PST FRI JAN 15 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM SATURDAY
TO 4 AM PST SUNDAY...

* LOCATIONS...SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...
   EASTPORT...SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST... 
  OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON 
  PASS... LOOKOUT PASS.

* SNOW ACCUMULATIONS...2 TO 6 INCHES OF SNOW IN THE VALLEYS AND 
  IN THE MOUNTAINS 5 TO 9 INCHES.

* TIMING...SNOW WILL BEGIN SATURDAY MORNING...THEN INCREASE IN 
  INTENSITY SATURDAY AFTERNOON...SNOW WILL TURN TO SNOW SHOWERS 
  SATURDAY EVENING AND LINGER THROUGH THE NIGHT.

* IMPACTS...ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* SNOW LEVEL...VALLEY FLOORS.

* 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.

&&

$$

WAZ037-038-161500-
/O.CON.KOTX.WW.Y.0006.160116T0600Z-160117T0000Z/
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
844 PM PST FRI JAN 15 2016

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

* LOCATIONS...REPUBLIC...INCHELIUM...WAUCONDA...CHESAW ROAD... 
  HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN 
  PASS... COLVILLE...DEER PARK...CHEWELAH...NEWPORT...KETTLE 
  FALLS... SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY 
  TRAIL ROAD.

* SNOW ACCUMULATIONS...2 TO 4 INCHES IN THE VALLEYS AND 3 TO 6 
  INCHES IN THE MOUNTAINS.

* TIMING...LIGHT SNOW WILL BEGIN TONIGHT...THEN INCREASE IN 
  INTENSITY SATURDAY MORNING...BEFORE ENDING LATE SATURDAY 
  AFTERNOON.

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* 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.

&&

$$

WAZ035-161500-
/O.CON.KOTX.WW.Y.0006.160116T0600Z-160117T0000Z/
UPPER COLUMBIA BASIN-
INCLUDING THE FOLLOWING LOCATIONS...GRAND COULEE...WILBUR...
COULEE CITY
844 PM PST FRI JAN 15 2016

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

* LOCATIONS...GRAND COULEE...WILBUR...COULEE CITY.

* SNOW ACCUMULATIONS...UP TO 3 INCHES.

* TIMING...SNOW ALONG AND NORTH THE I-90 CORRIDOR WILL BEGIN 
  OVERNIGHT AND INCREASE IN INTENSITY SATURDAY MORNING...THEN 
  ENDING LATE SATURDAY AFTERNOON

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* 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.

&&

$$
747 
WWUS46 KOTX 161231
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
431 AM PST SAT JAN 16 2016

WAZ041>044-170000-
/O.CON.KOTX.WS.W.0002.000000T0000Z-160117T0000Z/
WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
INCLUDING THE FOLLOWING LOCATIONS...WENATCHEE...CHELAN...ENTIAT...
CASHMERE...LEAVENWORTH...MAZAMA...TWISP...WINTHROP...STEHEKIN...
CONCONULLY...BLEWETT PASS...LOUP LOUP PASS...OMAK...OKANOGAN...
BREWSTER...BRIDGEPORT...OROVILLE...NESPELEM...DISAUTEL PASS...
WATERVILLE...MANSFIELD...BADGER MOUNTAIN ROAD
431 AM PST SAT JAN 16 2016

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

* LOCATIONS...WENATCHEE...CHELAN...ENTIAT...CASHMERE... 
  LEAVENWORTH...MAZAMA...TWISP...WINTHROP...STEHEKIN...
  CONCONULLY... BLEWETT PASS...LOUP LOUP PASS...OMAK...
  OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE...NESPELEM...
  DISAUTEL PASS...WATERVILLE... MANSFIELD...BADGER MOUNTAIN ROAD.

* SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES AND LOCALLY UP
  TO 8 INCHES NEAR THE CREST.

* TIMING...SNOW...MODERATE AT TIMES WILL CONTINUE INTO EARLY
  AFTERNOON BEFORE TAPERING OFF TO SHOWERS FOR THE REMAINDER OF
  THE DAY. BY THIS EVENING SNOW WILL BE CONFINED TO THE CREST OF
  THE CASCADES.

* IMPACTS...SNOW COVERED ROADWAYS WILL MAKE FOR HAZARDOUS 
  DRIVING CONDITIONS.

* 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.

&&

$$

IDZ001-004-170045-
/O.CON.KOTX.WW.Y.0006.000000T0000Z-160117T1200Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST...OSBURN...
WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
431 AM PST SAT JAN 16 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
SUNDAY...

* LOCATIONS...SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...
   EASTPORT...SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST... 
  OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON 
  PASS... LOOKOUT PASS.

* SNOW ACCUMULATIONS...2 TO 4 INCHES OF SNOW IN THE VALLEYS AND IN
  THE MOUNTAINS AN ADDITIONAL 4 TO 7 INCHES WITH THE HEAVIEST
  AMOUNTS EXPECTED SOUTH OF I-90.

* TIMING...SNOW WILL BEGIN THIS MORNING...THEN INCREASE IN
  INTENSITY THROUGH THE AFTERNOON...SNOW WILL TURN TO SNOW SHOWERS
  THIS EVENING AND PERSIST OVERNIGHT.

* IMPACTS...ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* SNOW LEVEL...VALLEY FLOORS.

* 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.

&&

$$

WAZ037-038-170000-
/O.CON.KOTX.WW.Y.0006.000000T0000Z-160117T0000Z/
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
431 AM PST SAT JAN 16 2016

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

* LOCATIONS...REPUBLIC...INCHELIUM...WAUCONDA...CHESAW ROAD... 
  HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN 
  PASS... COLVILLE...DEER PARK...CHEWELAH...NEWPORT...KETTLE 
  FALLS... SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY 
  TRAIL ROAD.

* SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES.

* TIMING...SNOW IS EXPECTED AT TIMES THROUGH THE DAY BEFORE
  TAPERING OFF DURING THE MID-AFTERNOON HOURS.

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* 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.

&&

$$

WAZ035-170000-
/O.CON.KOTX.WW.Y.0006.000000T0000Z-160117T0000Z/
UPPER COLUMBIA BASIN-
INCLUDING THE FOLLOWING LOCATIONS...GRAND COULEE...WILBUR...
COULEE CITY
431 AM PST SAT JAN 16 2016

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

* LOCATIONS...GRAND COULEE...WILBUR...COULEE CITY.

* SNOW ACCUMULATIONS...1 TO 2 INCHES...BUT LOCALLY UP TO 3 INCHES
  NORTH OF HIGHWAY 2. 

* TIMING...SNOW WILL CONTINUE AT TIMES THIS MORNING BEFORE
  TAPERING OFF TO A CHANCE OF LIGHT SNOW SHOWERS BY MID-AFTERNOON. 

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* 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.

&&

$$
747 
WWUS46 KOTX 162152
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
152 PM PST SAT JAN 16 2016

...SNOW INTENSITY IS EXPECTED TO CONTINUE TO DECREASE ALONG THE
CASCADES AND INCREASE IN THE IDAHO PANHANDLE INTO SUNDAY MORNING...

.SNOW WILL CONTINUE TO DECREASE ACROSS THE REGION OVERNIGHT.
EXPECT MAINLY SNOW NEAR THE CASCADES...NORTHERN MOUNTAINS...AND
IDAHO PANHANDLE WITH A MIX OF RAIN AND SNOW. 

WAZ041>044-162300-
/O.CAN.KOTX.WS.W.0002.000000T0000Z-160117T0000Z/
WENATCHEE AREA-EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
WATERVILLE PLATEAU-
152 PM PST SAT JAN 16 2016

...WINTER STORM WARNING IS CANCELLED...

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

SNOW INTENSITY IN THE EASTERN CASCADES REGION HAS DECREASED AND
NOT EXPECTED TO BRING SIGNIFICANT AMOUNTS FOR THE REST OF SATURDAY
AND OVERNIGHT. THE CREST OF THE CASCADES COULD STILL SEE 6 TO 7
INCHES OF SNOW LEADING TO TRAVEL IMPACTS FOR THE MOUNTAIN PASSES.
THE VALLEYS AND WATERVILLE PLATEAU COULD RECEIVE ANOTHER 1 TO 2
INCHES DURING THE OVERNIGHT.

$$

IDZ001-004-170600-
/O.CON.KOTX.WW.Y.0006.000000T0000Z-160117T1200Z/
NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS-
INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...ATHOL...
BONNERS FERRY...PRIEST RIVER...EASTPORT...
SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST...OSBURN...
WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS...
LOOKOUT PASS
152 PM PST SAT JAN 16 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST
SUNDAY...

* LOCATIONS...SANDPOINT...ATHOL...BONNERS FERRY...PRIEST RIVER...
   EASTPORT...SCHWEITZER MOUNTAIN ROAD...KELLOGG...PINEHURST... 
  OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON 
  PASS... LOOKOUT PASS.

* SNOW ACCUMULATIONS...AN ADDITIONAL 2 TO 5 INCHES.

* TIMING...SNOW WILL BEGIN THIS MORNING...THEN INCREASE IN 
  INTENSITY THROUGH THE AFTERNOON...SNOW WILL TURN TO SNOW 
  SHOWERS THIS EVENING AND PERSIST OVERNIGHT.

* IMPACTS...ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* SNOW LEVEL...VALLEY FLOORS RISING TO 2000FT.

* 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.

&&

$$

WAZ037-038-170000-
/O.CON.KOTX.WW.Y.0006.000000T0000Z-160117T0000Z/
NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS-
INCLUDING THE FOLLOWING LOCATIONS...COLVILLE...DEER PARK...
CHEWELAH...NEWPORT...KETTLE FALLS...SPRINGDALE-HUNTERS ROAD...
ORIN-RICE ROAD...FLOWERY TRAIL ROAD...REPUBLIC...INCHELIUM...
WAUCONDA...CHESAW ROAD...HIGHWAY 20 WAUCONDA SUMMIT...
BOULDER CREEK ROAD...SHERMAN PASS
152 PM PST SAT JAN 16 2016

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

* LOCATIONS...REPUBLIC...INCHELIUM...WAUCONDA...CHESAW ROAD... 
  HIGHWAY 20 WAUCONDA SUMMIT...BOULDER CREEK ROAD...SHERMAN 
  PASS... COLVILLE...DEER PARK...CHEWELAH...NEWPORT...KETTLE 
  FALLS... SPRINGDALE-HUNTERS ROAD...ORIN-RICE ROAD...FLOWERY 
  TRAIL ROAD.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 1 INCH.

* TIMING...SNOW IS EXPECTED AT TIMES THROUGH THE DAY BEFORE 
  TAPERING OFF DURING THE MID-AFTERNOON HOURS.

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* 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.

&&

$$

WAZ035-170000-
/O.CON.KOTX.WW.Y.0006.000000T0000Z-160117T0000Z/
UPPER COLUMBIA BASIN-
INCLUDING THE FOLLOWING LOCATIONS...GRAND COULEE...WILBUR...
COULEE CITY
152 PM PST SAT JAN 16 2016

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

* LOCATIONS...GRAND COULEE...WILBUR...COULEE CITY.

* SNOW ACCUMULATIONS...UP TO AN ADDITIONAL 1 INCH.

* TIMING...SNOW WILL CONTINUE AT TIMES THIS MORNING BEFORE 
  TAPERING OFF TO A CHANCE OF LIGHT SNOW SHOWERS BY MID-
  AFTERNOON.

* IMPACTS....ACCUMULATING SNOW WILL CREATE WINTER DRIVING 
  CONDITIONS.

* 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.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 15, 2:55 AM PSTWinter Storm WatchOTXChelan, Douglas, Grant, Okanogan12 hr
Jan 15, 2:40 PM PSTWinter Weather AdvisoryOTXAdams, Douglas, Ferry, Grant, Lincoln, Okanogan and 3 more32 hr

Nearby

Winter Storm Warnings in Washington, 2016Every winter storm warning in 2016

Sources

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