Eastern Washington and North Idaho Watches and Warnings

[ W WA | SW WA and NW OR | SE WA and NE OR | NE WA and N ID ]

Today's and yesterday's warnings in reverse chronological order.


WWUS76 KOTX 141850
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1050 AM PST SUN FEB 14 2016

WAZ042-043-142000-
/O.CAN.KOTX.AS.Y.0001.000000T0000Z-160216T1800Z/
EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY-
1050 AM PST SUN FEB 14 2016

...AIR STAGNATION ADVISORY IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE AIR STAGNATION ADVISORY FOR THE VALLEYS OF THE EAST SLOPES OF THE NORTHERN CASCADES AND THE OKANOGAN VALLEY. AIR QUALITY SENSORS ACROSS THIS REGION REPORT GOOD VALUES. VALLEY WINDS MAY CONTINUE TO BE LIGHT, BUT WINDS ALOFT WILL BE INCREASING WHICH WILL MIX INTO THE VALLEYS OVERNIGHT AND MONDAY. THIS WILL WEAKEN ANY REMAINING LOW LEVEL INVERSIONS AND LEAD TO WARMING TEMPERATURES. THE THREAT FOR ADDITIONAL STAGNATE VALLEY CONDITIONS IS LOW AT THIS TIME.

$$





WWUS46 KOTX 141753
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
953 AM PST SUN FEB 14 2016

...WINTER WEATHER ADVISORY TO EXPIRE AT 10 AM SUNDAY...

IDZ004-141900- /O.EXP.KOTX.WW.Y.0015.000000T0000Z-160214T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 953 AM PST SUN FEB 14 2016

...WINTER WEATHER ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING ABOVE 4000 FEET FOR THE IDAHO CENTRAL PANHANDLE MOUNTAINS...

PERIODS OF WILL CONTINUE TODAY...BUT RISING TEMPERATURES WILL KEEP SNOW FROM ACCUMULATING ON INTERSTATE 90. BY LATE AFTERNOON OR EARLY EVENING SNOW LEVELS WILL RISE ABOVE 5000 FEET...BRINGING RAIN TO LOOKOUT PASS WHICH IS 4700 FEET ELEVATION.

$$


WWUS46 KOTX 141615
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
815 AM PST SUN FEB 14 2016

...WINTER DRIVING CONDITIONS THIS MORNING AT LOOKOUT PASS ON INTERSTATE 90...

IDZ004-141800- /O.CON.KOTX.WW.Y.0015.000000T0000Z-160214T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 815 AM PST SUN FEB 14 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 4000 FEET...

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

* SNOW ACCUMULATIONS...THIS MORNING LOOK FOR UP TO AN ADDITIONAL 1 INCH OF ACCUMULATION.

* TIMING...PERIODS OF LIGHT SNOW WILL OCCUR THIS MORNING INTO THIS AFTERNOON. SNOW WILL LIKELY MIX OR CHANGE TO RAIN BY LATE AFTERNOON OR EARLY EVENING AS SNOW LEVEL RISE ABOVE 5000 FEET.

* IMPACTS...LIGHT SLUSHY ACCUMULATIONS WILL PRODUCE LOCALLY SLICK DRIVING CONDITIONS NEAR LOOKOUT PASS AT AN ELEVATION OF 4700 FEET. BY LATE MORNING, ROADS SHOULD BECOME WET AS TEMPERATURES CLIMB ABOVE FREEZING.

* SNOW LEVEL...4000 FEET THIS MORNING RISING ABOVE 5000 FEET BY EVENING.

* 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.

&&

$$


WWUS46 KOTX 141435
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
635 AM PST SUN FEB 14 2016

...SIGNIFICANT MOUNTAIN SNOW FOR THE CENTRAL IDAHO PANHANDLE THROUGH THIS MORNING...

IDZ004-141800- /O.CON.KOTX.WW.Y.0015.000000T0000Z-160214T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 635 AM PST SUN FEB 14 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 4000 FEET...

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

* SNOW ACCUMULATIONS...4 TO 7 INCHES.

* TIMING...ADDITIONAL SNOW ACCUMULATIONS OF AROUND AN INCH THIS MORNING WILL ADD TO THE 3 TO 6 INCHES OVERNIGHT.

* IMPACTS...SNOW COVERED ROADWAYS...INCLUDING I-90 OVER LOOKOUT PASS...WILL LEAD TO LOCALLY HAZARDOUS DRIVING CONDITIONS.

* SNOW LEVEL...3500 FEET.

* WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$


WWUS46 KOTX 140609
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1009 PM PST SAT FEB 13 2016

...SIGNIFICANT MOUNTAIN SNOW FOR THE CENTRAL IDAHO PANHANDLE OVERNIGHT INTO SUNDAY MORNING...

IDZ004-141500- /O.CON.KOTX.WW.Y.0015.000000T0000Z-160214T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 1009 PM PST SAT FEB 13 2016

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 4000 FEET...

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

* SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 6 INCHES.

* TIMING...LIGHT SNOW WILL DEVELOP THIS EVENING...INCREASE IN INTENSITY OVERNIGHT AND INTO SUNDAY MORNING

* IMPACTS...SNOW COVERED ROADWAYS...INCLUDING I-90 OVER LOOKOUT PASS...WILL LEAD TO LOCALLY HAZARDOUS DRIVING CONDITIONS.

* SNOW LEVEL...3500 FEET.

* WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER WEATHER ADVISORY FOR SNOW MEANS THAT PERIODS OF SNOW WILL CAUSE PRIMARILY TRAVEL DIFFICULTIES. BE PREPARED FOR SNOW COVERED ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING.

&&

$$


WWUS46 KOTX 132255
WSWOTX

URGENT - WINTER WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
255 PM PST SAT FEB 13 2016

...SIGNIFICANT MOUNTAIN SNOW FOR THE CENTRAL IDAHO PANHANDLE OVERNIGHT INTO SUNDAY MORNING...

IDZ004-140700- /O.NEW.KOTX.WW.Y.0015.160214T0300Z-160214T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...MULLAN...LOOKOUT PASS 255 PM PST SAT FEB 13 2016

...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST SUNDAY ABOVE 4000 FEET...

THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 4000 FEET FOR SNOW... WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 10 AM PST SUNDAY.

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

* SNOW ACCUMULATIONS...4 TO 8 INCHES.

* TIMING...LIGHT SNOW WILL DEVELOP THIS EVENING...INCREASE IN INTENSITY OVERNIGHT AND INTO SUNDAY MORNING

* IMPACTS...SNOW COVERED ROADWAYS...INCLUDING I-90 OVER LOOKOUT PASS...WILL LEAD TO LOCALLY HAZARDOUS DRIVING CONDITIONS.

* SNOW LEVEL...3500 FEET...RISING TO OVER 4000 FEET BY SUNDAY MORNING.

* WEB PAGE: FOR A DETAILED VIEW OF THE HAZARD AREA VISIT HTTP://WWW.WRH.NOAA.GOV/MAP/?WFO=OTX.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A WINTER 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.

&&

$$





WWUS76 KOTX 131801
NPWOTX

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SPOKANE WA
1001 AM PST SAT FEB 13 2016

...AIR STAGNATION ADVISORIES REMAIN IN EFFECT FOR THE EAST SLOPES OF THE NORTHERN CASCADES AND OKANOGAN VALLEY...

WAZ034-035-037-038-041-044-131915- /O.EXP.KOTX.AS.Y.0001.000000T0000Z-160213T1800Z/ MOSES LAKE AREA-UPPER COLUMBIA BASIN-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS-WENATCHEE AREA-WATERVILLE PLATEAU- 1001 AM PST SAT FEB 13 2016

...AIR STAGNATION ADVISORY WILL EXPIRE AT 10 AM PST THIS MORNING FOR THE UPPER COLUMBIA BASIN...WATERVILLE PLATEAU... NORTHEAST WASHINGTON MOUNTAINS...OKANOGAN HIGHLANDS...AND WENATCHEE AND MOSES LAKE AREAS...

WIDESPREAD PRECIPITATION FRIDAY NIGHT...A BIT OF WIND TODAY...AND MORE PRECIPITATION TONIGHT WILL IMPROVE AIR MOVEMENT OVER MUCH OF EASTERN WASHINGTON AND PORTIONS OF CENTRAL WASHINGTON.

$$

WAZ042-043-141900- /O.CON.KOTX.AS.Y.0001.000000T0000Z-160216T1800Z/ EAST SLOPES NORTHERN CASCADES-OKANOGAN VALLEY- 1001 AM PST SAT FEB 13 2016

...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 10 AM PST TUESDAY...

* AIR QUALITY...LIGHT WINDS AND TEMPERATURE INVERSIONS WILL HEIGHTEN THE POTENTIAL FOR ELEVATED POLLUTION LEVELS IN CENTRAL WASHINGTON WASHINGTON THROUGH TUESDAY. A WARM FRONT WILL PRODUCE A CHANCE OF LIGHT PRECIPITATION TONIGHT OVER NORTH CENTRAL WASHINGTON...BUT WINDS WILL LIKELY REMAIN LIGHT. A STRONGER FRONTAL SYSTEM ON SUNDAY NIGHT AND MONDAY MAY PRODUCE ENOUGH WIND FOR THE AIR STAGNATION ADVISORY TO BE DISCONTINUED.

* IMPACTS...BURN BANS MAY BE IN EFFECT FOR YOUR AREA. PLEASE CONSULT YOUR STATE OR TRIBAL AUTHORITIES BEFORE BURNING.

* LOCATIONS...A FEW COMMUNITIES INCLUDED IN THE AIR STAGNATION ADVISORY ARE OMAK...WINTHROP...MAZAMA...AND LEAVENWORTH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

AN AIR STAGNATION ADVISORY INDICATES THAT DUE TO LIMITED MOVEMENT OF AN AIR MASS ACROSS THE ADVISORY AREA...POLLUTION HAS THE POTENTIAL TO INCREASE TO DANGEROUS LEVELS. PERSONS WITH RESPIRATORY ILLNESS SHOULD FOLLOW THEIR PHYSICIANS ADVICE FOR DEALING WITH HIGH LEVELS OF AIR POLLUTION.

&&

$$