Alert archive / Washington / Winter Storm Warnings in 2006
Winter Storm Warning 11, NWS Spokane, WA
NWS Spokane, WA issued this winter storm warning at Nov 14, 2006, 3:37 AM PST for 5 counties in Washington; Bonner County, Boundary County, Kootenai County, Idaho. It took effect at Nov 15, 2006, 12:00 AM PST. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Nov 14, 2006, 3:37 AM PST (11:37 UTC)
- In effect from
- Nov 15, 2006, 12:00 AM PST
- Expired
- Nov 16, 2006, 12:00 AM PST
- In force
- 24 hr
- Issued by
- NWS Spokane, WA
Counties Bonner County, ID, Boundary County, ID, Kootenai County, ID, Ferry County, WA, Okanogan County, WA, Pend Oreille County, WA, Spokane County, WA, Stevens County, WA
The radar
The Spokane radar (KOTX), 68 km from the middle of the area, began a volume at 11:36 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The nearest sounding before it
Spokane, WA (KOTX), launched 00:00Z, 11.6 hours before the alert went out and 109 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1054 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 225 m²/s²
- 0-3 km storm-relative helicity
- 242 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS46 KOTX 141137 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 337 AM PST TUE NOV 14 2006 ...WINDS AND HEAVY MOUNTAIN SNOW EXPECTED WEDNESDAY... WAZ042-142000- /O.NEW.KOTX.WS.W.0011.061115T0800Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 337 AM PST TUE NOV 14 2006 ...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 PM PST WEDNESDAY ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING ABOVE 3000 FEET...WHICH IS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 PM PST WEDNESDAY. MOUNTAIN SNOW WILL INCREASE IN INTENSITY OVERNIGHT TONIGHT AND WILL PERSIST THROUGH THE MORNING HOURS WEDNESDAY. PRECIPITATION WILL START OUT AS ALL SNOW. VALLEYS WILL GENERALLY SEE 1 TO 2 INCHES BY WEDNESDAY MORNING BEFORE CHANGING OVER TO RAIN. SNOW LEVELS WILL INCREASE WEDNESDAY AFTERNOON TO 5500 FEET WITH SNOW CHANGING OVER TO RAIN OR A RAIN/SNOW MIX IN THE MOUNTAINS. A COLD FRONT WILL MOVE THROUGH WEDNESDAY EVENING CHANGING THE PRECIPITATION ONCE AGAIN BACK TO SNOW. TOTAL SNOWFALL ACCUMULATIONS IN THE MOUNTAINS OF 16 TO 20 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS. THE MAIN AREA OF CONCERN IS LOCATIONS NORTH OF LAKE CHELAN. IN ADDITION TO THE SNOW...20 TO 30 MPH SOUTHERLY WINDS WILL INCREASE DURING THE DAY ON WEDNESDAY ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
10 follow-up statements
000 WWUS46 KOTX 141835 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1035 AM PST TUE NOV 14 2006 ...WINDS AND HEAVY MOUNTAIN SNOW EXPECTED WEDNESDAY... WAZ042-150245- /O.CON.KOTX.WS.W.0011.061115T0800Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 1035 AM PST TUE NOV 14 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 PM PST WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 PM PST WEDNESDAY. MOUNTAIN SNOW WILL INCREASE IN INTENSITY OVERNIGHT TONIGHT AND WILL PERSIST THROUGH THE MORNING HOURS WEDNESDAY. PRECIPITATION WILL START OUT AS ALL SNOW. VALLEYS WILL GENERALLY SEE 1 TO 3 INCHES BY WEDNESDAY MORNING BEFORE CHANGING OVER TO RAIN. SNOW LEVELS WILL INCREASE WEDNESDAY AFTERNOON TO 5500 FEET WITH SNOW CHANGING OVER TO RAIN OR A RAIN/SNOW MIX IN THE MOUNTAINS. A COLD FRONT WILL MOVE THROUGH WEDNESDAY EVENING CHANGING THE PRECIPITATION ONCE AGAIN BACK TO SNOW. TOTAL SNOWFALL ACCUMULATIONS IN THE MOUNTAINS OF 16 TO 20 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS. THE MAIN AREA OF CONCERN IS LOCATIONS NORTH OF LAKE CHELAN. IN ADDITION TO THE SNOW...20 TO 30 MPH SOUTHERLY WINDS WILL INCREASE DURING THE DAY ON WEDNESDAY ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$
000 WWUS46 KOTX 142117 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 117 PM PST TUE NOV 14 2006 ...WINDS AND HEAVY MOUNTAIN SNOW EXPECTED WEDNESDAY... IDZ001-WAZ037-038-150530- /O.EXB.KOTX.WS.W.0011.061115T1200Z-061116T0600Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 117 PM PST TUE NOV 14 2006 ...WINTER STORM WARNING IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING...WHICH IS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY. 1 TO 3 INCHES OF SNOW IS EXPECTED IN VALLEYS WEDNESDAY MORNING WITH THE ONSET OF PRECIPITATION BROUGHT ABOUT BY A PASSING WINTER STORM. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE WEDNESDAY MORNING. SNOW LEVELS WILL QUICKLY RISE DURING THE DAY AND THE PRECIPITATION TYPE WILL CHANGE TO ALL RAIN AND QUICKLY REMOVE THE BULK OF ANY ACCUMULATING VALLEY SNOW. MOUNTAIN ELEVATIONS NEAR 6000 FEET MSL AND ABOVE WILL BE LEFT WITH 8 INCHES OF ACCUMULATED SNOW WHEN THE PRECIPITATION STOPS WEDNESDAY NIGHT. IN ADDITION TO THE SNOW...SOUTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH DURING THE DAY ON WEDNESDAY ACROSS THE MOUNTAINS...WITH GUSTS TO 45 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW PRIMARILY OVER ELEVATIONS AT AND ABOVE 6000 FEET MSL. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WAZ042-150530- /O.CON.KOTX.WS.W.0011.061115T0800Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 117 PM PST TUE NOV 14 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 PM PST WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 10 PM PST WEDNESDAY. MOUNTAIN SNOW WILL INCREASE IN INTENSITY OVERNIGHT TONIGHT AND WILL PERSIST THROUGH THE MORNING HOURS WEDNESDAY. PRECIPITATION WILL START OUT AS ALL SNOW. VALLEYS WILL GENERALLY SEE 1 TO 3 INCHES BY WEDNESDAY MORNING BEFORE CHANGING OVER TO RAIN. SNOW LEVELS WILL INCREASE WEDNESDAY AFTERNOON TO 5500 FEET WITH SNOW CHANGING OVER TO RAIN OR A RAIN/SNOW MIX IN THE MOUNTAINS. A COLD FRONT PASSING LATE IN THE DAY WEDNESDAY WILL CHANGE THE PRECIPITATION ONCE AGAIN BACK TO SNOW. TOTAL SNOWFALL ACCUMULATIONS IN THE MOUNTAINS OF 16 TO 20 INCHES IS EXPECTED WITH LOCALLY HIGHER AMOUNTS. THE MAIN AREA OF CONCERN IS LOCATIONS NORTH OF LAKE CHELAN. A BRIEF PERIOD OF FREEZING RAIN EARLY WEDNESDAY MORNING IS ALSO POSSIBLE IN SOME VALLEYS. IN ADDITION TO THE SNOW...20 TO 30 MPH SOUTHERLY WINDS WILL INCREASE DURING THE DAY ON WEDNESDAY ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WAZ043-150530- /O.NEW.KOTX.WW.Y.0007.061115T1200Z-061115T2100Z/ OKANOGAN VALLEY- INCLUDING THE CITIES OF...OMAK...OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE 117 PM PST TUE NOV 14 2006 ...WINTER WEATHER ADVISORY IN EFFECT FROM 4 AM TO 1 PM PST WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER WEATHER ADVISORY...WHICH IS IN EFFECT FROM 4 AM TO 1 PM PST WEDNESDAY. 1 TO 3 INCHES OF SNOW IS EXPECTED TO FALL IN VALLEYS WEDNESDAY MORNING WITH THE ONSET OF PRECIPITATION BROUGHT ABOUT BY A PASSING WINTER STORM. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY MORNING. SNOW LEVELS WILL QUICKLY RISE DURING THE LATE MORNING AND AFTERNOON CHANGING THE SNOW TO RAIN. THIS RAIN ALONG WITH WARMING TEMPERATURES WILL QUICKLY REMOVE THE BULK OF ANY ACCUMULATED SNOW IN VALLEYS. IN ADDITION TO THE SNOW...NUISANCE SOUTH AND SOUTHEAST WINDS WILL INCREASE TO 20 TO 25 MPH DURING THE DAY ON WEDNESDAY. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS46 KOTX 150532 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 932 PM PST TUE NOV 14 2006 ...WINDS AND HEAVY MOUNTAIN SNOW EXPECTED WEDNESDAY... IDZ001-WAZ037-038-151330- /O.CON.KOTX.WS.W.0011.061115T1200Z-061116T0600Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 932 PM PST TUE NOV 14 2006 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 4 AM TO 10 PM PST WEDNESDAY FOR THE NORTHERN MOUNTAINS OF WASHINGTON...AS WELL AS THE NORTHERN IDAHO PANHANDLE. SNOW WILL SPREAD INTO NORTHEAST WASHINGTON AND NORTHERN IDAHO BEFORE SUNRISE ON WEDNESDAY AND CONTINUE THROUGH THE EVENING. DURING THE ONSET OF PRECIPITATION...SNOW WILL FALL AS LOW AS THE VALLEY FLOORS IN THE COLVILLE...REPUBLIC...BONNERS FERRY...AND DEER PARK AREAS. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE BY NOON IN THE VALLEY...BEFORE PRECIPITATION CHANGES TO RAIN IN THE AFTERNOON. FOR THE MOUNTAINS...AS MUCH AS 8 INCHES OF SNOW IS LIKELY BY WEDNESDAY EVENING. SNOW LEVELS WILL RISE DRAMATICALLY ON WEDNESDAY AFTERNOON...AND BY EARLY EVENING A COMBINATION OF RAIN AND SNOW WILL BE POSSIBLE AS HIGH AS 6000 FEET. IN ADDITION TO THE SNOW...SOUTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH DURING THE DAY ON WEDNESDAY ACROSS THE MOUNTAINS...WITH GUSTS TO 45 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW PRIMARILY OVER ELEVATIONS AT AND ABOVE 6000 FEET. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WAZ042-151330- /O.CON.KOTX.WS.W.0011.061115T0800Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 932 PM PST TUE NOV 14 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST WEDNESDAY. SNOW WILL BEGIN AFTER MIDNIGHT OVER THE EAST SLOPES OF THE NORTHERN CASCADES...AND CONTINUE THROUGH WEDNESDAY EVENING. SNOW ACCUMULATIONS OF 16 TO 20 INCHES ARE EXPECTED FOR HIGH ELEVATIONS. A MIX OF WINTRY PRECIPITATION IS EXPECTED IN THE VALLEYS. THE COMMUNITIES OF LEAVENWORTH...MAZAMA...TWISP...AND WINTHROP MAY EXPERIENCE SNOW WEDNESDAY MORNING...WHICH MAY CHANGE TO FREEZING RAIN BRIEFLY...BEFORE CHANGING TO RAIN WEDNESDAY AFTERNOON. IN ADDITION TO THE SNOW...20 TO 30 MPH SOUTHERLY WINDS WILL INCREASE DURING THE DAY ON WEDNESDAY ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WAZ043-151330- /O.CON.KOTX.WW.Y.0007.061115T1200Z-061115T2100Z/ OKANOGAN VALLEY- INCLUDING THE CITIES OF...OMAK...OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE 932 PM PST TUE NOV 14 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 1 PM PST WEDNESDAY... A WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 4 AM TO 1 PM PST WEDNESDAY. 1 TO 3 INCHES OF SNOW IS EXPECTED TO FALL IN VALLEYS WEDNESDAY MORNING WITH THE ONSET OF PRECIPITATION BROUGHT ABOUT BY A PASSING WINTER STORM. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY WEDNESDAY MORNING. SNOW LEVELS WILL QUICKLY RISE DURING THE LATE MORNING AND AFTERNOON CHANGING THE SNOW TO RAIN. THIS RAIN ALONG WITH WARMING TEMPERATURES WILL QUICKLY REMOVE THE BULK OF ANY ACCUMULATED SNOW IN VALLEYS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS46 KOTX 151326 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 526 AM PST WED NOV 15 2006 ...WINDS AND HEAVY MOUNTAIN SNOW EXPECTED WEDNESDAY... IDZ001-WAZ037-038-152130- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 526 AM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING FOR THE NORTHERN MOUNTAINS OF WASHINGTON...AS WELL AS THE NORTHERN IDAHO PANHANDLE. SNOW WILL SPREAD INTO NORTHEAST WASHINGTON AND NORTHERN IDAHO THIS MORNING AND CONTINUE THROUGH THIS EVENING. DURING THE ONSET OF PRECIPITATION...SNOW WILL FALL AS LOW AS THE VALLEY FLOORS IN THE COLVILLE...REPUBLIC...BONNERS FERRY...AND DEER PARK AREAS. SNOW ACCUMULATIONS OF 1 TO 3 INCHES ARE POSSIBLE BY NOON IN THE VALLEY...BEFORE PRECIPITATION CHANGES TO RAIN IN THE AFTERNOON. FOR THE MOUNTAINS...AS MUCH AS 8 INCHES OF SNOW IS LIKELY BY THIS EVENING. SNOW LEVELS WILL RISE DRAMATICALLY ON THIS AFTERNOON ...AND BY EARLY EVENING A COMBINATION OF RAIN AND SNOW WILL BE POSSIBLE AS HIGH AS 6000 FEET. IN ADDITION TO THE SNOW...SOUTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH DURING THE DAY ACROSS THE MOUNTAINS...WITH GUSTS TO 45 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW PRIMARILY OVER ELEVATIONS AT AND ABOVE 6000 FEET. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WAZ042-152130- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 526 AM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW WILL BEGIN EARLY THIS MORNING OVER THE EAST SLOPES OF THE NORTHERN CASCADES...AND CONTINUE THROUGH THIS EVENING. SNOW ACCUMULATIONS OF 16 TO 20 INCHES ARE EXPECTED FOR HIGH ELEVATIONS. A MIX OF WINTRY PRECIPITATION IS EXPECTED IN THE VALLEYS. THE COMMUNITIES OF LEAVENWORTH...MAZAMA...TWISP...AND WINTHROP MAY EXPERIENCE SNOW WEDNESDAY MORNING...WHICH MAY CHANGE TO FREEZING RAIN BRIEFLY...BEFORE CHANGING TO RAIN THIS AFTERNOON. IN ADDITION TO THE SNOW...20 TO 30 MPH SOUTHERLY WINDS WILL INCREASE THIS AFTERNOON ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. $$ WAZ043-152100- /O.CON.KOTX.WW.Y.0007.000000T0000Z-061115T2100Z/ OKANOGAN VALLEY- INCLUDING THE CITIES OF...OMAK...OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE 526 AM PST WED NOV 15 2006 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON... A WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM PST THIS AFTERNOON. 1 TO 2 INCHES OF SNOW IS EXPECTED TO FALL IN VALLEYS THIS MORNING WITH THE ONSET OF PRECIPITATION BROUGHT ABOUT BY A PASSING WINTER STORM. A BRIEF PERIOD OF FREEZING RAIN IS ALSO POSSIBLE EARLY THIS MORNING. SNOW LEVELS WILL QUICKLY RISE DURING THE LATE MORNING AND AFTERNOON CHANGING THE SNOW TO RAIN. THIS RAIN ALONG WITH WARMING TEMPERATURES WILL QUICKLY REMOVE THE BULK OF ANY ACCUMULATED SNOW IN VALLEYS. A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. $$
000 WWUS46 KOTX 151650 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 850 AM PST WED NOV 15 2006 ...WIND AND HEAVY MOUNTAIN SNOW EXPECTED TODAY... WAZ043-151800- /O.CAN.KOTX.WW.Y.0007.000000T0000Z-061115T2100Z/ OKANOGAN VALLEY- INCLUDING THE CITIES OF...OMAK...OKANOGAN...BREWSTER... BRIDGEPORT...OROVILLE 850 AM PST WED NOV 15 2006 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER WEATHER ADVISORY. TEMPERATURES HAVE RISEN HIGH ENOUGH THAT RAIN IS ANTICIPATED. $$ IDZ001-WAZ037-038-160100- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 850 AM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW WILL INCREASE OVER NORTHEAST WASHINGTON AND NORTHERN IDAHO TODAY AND CONTINUE THROUGH THIS EVENING. DURING THE ONSET OF PRECIPITATION...A RAIN AND SNOW MIX WILL BE FOUND AT THE VALLEY FLOORS IN THE COLVILLE...REPUBLIC...BONNERS FERRY...AND DEER PARK AREAS. LOCAL SNOW ACCUMULATIONS OF UP TO TWO INCHES ARE POSSIBLE IN THE VALLEYS NEAR THE CANADIAN BORDER...BEFORE THE PRECIPITATION CHANGES TO RAIN IN THE AFTERNOON. FOR THE MOUNTAINS...AS MUCH AS 8 INCHES OF SNOW IS LIKELY BY THIS EVENING. SNOW LEVELS WILL RISE THIS AFTERNOON...AND BY EARLY EVENING A COMBINATION OF RAIN AND SNOW WILL BE POSSIBLE AS HIGH AS 4000 TO 6000 FEET. IN ADDITION TO THE SNOW...SOUTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH DURING THE DAY ACROSS THE MOUNTAINS...WITH GUSTS TO 45 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW PRIMARILY OVER ELEVATIONS AT AND ABOVE 5000 FEET. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS IN THE HIGHER TERRAIN. $$ WAZ042-160100- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 850 AM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW WILL CONTINUE TODAY OVER THE EAST SLOPES OF THE NORTHERN CASCADES...AND THROUGH THIS EVENING. SNOW ACCUMULATIONS OF 15 TO 20 INCHES ARE EXPECTED FOR HIGH ELEVATIONS NEAR THE CASCADE CREST. A WINTRY MIX OF PRECIPITATION IS EXPECTED IN THE VALLEYS. THE COMMUNITIES OF LAKE WENATCHEE...MAZAMA...TWISP...AND WINTHROP MAY EXPERIENCE SOME WET SNOW OR SLEET...BEFORE CHANGING OVER TO RAIN THIS AFTERNOON. IN ADDITION TO THE SNOW...20 TO 30 MPH SOUTHERLY WINDS WILL INCREASE THIS AFTERNOON ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS IN THE HIGHER TERRAIN. $$
000 WWUS46 KOTX 152141 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 141 PM PST WED NOV 15 2006 ...WIND AND HEAVY MOUNTAIN SNOW EXPECTED TODAY... IDZ001-WAZ037-038-160600- /O.EXT.KOTX.WS.W.0011.000000T0000Z-061116T0800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 141 PM PST WED NOV 15 2006 ...WINTER STORM WARNING NOW IN EFFECT UNTIL MIDNIGHT PST TONIGHT ABOVE 4000 FEET... THE WINTER STORM WARNING ABOVE 4000 FEET IS NOW IN EFFECT UNTIL MIDNIGHT PST TONIGHT. MOUNTAIN SNOW WILL CONTINUE OVER NORTHEAST WASHINGTON AND THE NORTHERN PORTION OF IDAHO THROUGH THIS EVENING. SNOW LEVELS WILL BE NEAR 4000 FEET...BUT COULD RISE BRIEFLY TO NEAR 6000 FEET BEFORE THE COLD FRONT PASSES THIS EVENING. TOTAL SNOWFALL AMOUNTS OF 5 TO 10 INCHES ARE EXPECTED BEFORE THE SNOW TAPERS OFF OVERNIGHT. IN ADDITION TO THE SNOW...SOUTHERLY WINDS WILL INCREASE TO 20 TO 30 MPH DURING THE DAY ACROSS THE MOUNTAINS...WITH GUSTS TO 45 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW PRIMARILY OVER ELEVATIONS AT AND ABOVE 5000 FEET. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS IN THE HIGHER TERRAIN. $$ WAZ042-160600- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 141 PM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. SNOW WILL CONTINUE OVER THE EAST SLOPES OF THE NORTHERN CASCADES THROUGH THIS EVENING. SNOW LEVELS HAVE RISEN INTO THE MOUNTAINS...RANGING FROM 3000 TO 4000 FEET. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE EXPECTED...ESPECIALLY FOR HIGH ELEVATIONS NEAR THE CASCADE CREST. THE SNOW IS EXPECTED TO TAPER OFF THIS EVENING. IN ADDITION TO THE SNOW...SOUTHERLY WINDS OF 20 TO 30 MPH WILL WILL BE ACROSS THE MOUNTAINS...WITH GUSTS TO OVER 50 MPH ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE RESTRICTED DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL HAZARDOUS IN THE HIGHER TERRAIN. $$
000 WWUS46 KOTX 160146 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 546 PM PST WED NOV 15 2006 ...HEAVY MOUNTAIN SNOW AND GUSTY WINDS EXPECTED THIS EVENING... IDZ001-WAZ037-038-160800- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 546 PM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT FOR THE MOUNTAINS OF NORTHEAST WASHINGTON AND THE NORTHERN MOUNTAINS OF THE IDAHO PANHANDLE. HEAVY MOUNTAIN SNOW WILL OCCUR IN THE MOUNTAINS AROUND COLVILLE... REPUBLIC...AND SANDPOINT THIS EVENING. AN ADDITIONAL 3 TO 6 INCHES OF SNOW IS LIKELY BETWEEN 7 PM AND 11 PM AS A VIGOROUS COLD FRONT PUSHES THROUGH THE REGION. HEAVY SNOW ACCOMPANIED BY WINDS OF 20 TO 30 MPH WILL COMBINE TO PRODUCE NEAR WHITE OUT CONDITIONS FOR ELEVATIONS ABOVE 4000 FEET. SNOW LEVELS MAY BRIEFLY RISE TO AS HIGH AS 6000 FEET AHEAD OF THE COLD FRONT...BUT COLDER AIR WILL QUICKLY RETURN AS THE FRONT PASSES. A WINTER STORM WARNING MEANS THAT A COMBINATION OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL NEARLY IMPOSSIBLE THIS EVENING. $$ WAZ042-160600- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 546 PM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING FOR THE EAST SLOPES OF THE NORTHERN CASCADES. AN APPROACHING COLD FRONT WILL BRING SEVERAL HOURS OF HEAVY SNOW TO THE MOUNTAINS AROUND LEAVENWORTH...MAZAMA...TWISP...AND WINTRHOP THIS EVENING. SNOW LEVELS WILL BE BETWEEN 3000 AND 4000 FEET THIS EVENING. EXPECT WHITE OUT CONDITIONS IN THE MOUNTAINS BETWEEN 6 PM AND 9 PM...WITH AN ADDITIONAL 6 TO 8 INCHES OF SNOW ACCUMULATION. IN ADDITION TO THE SNOW...SOUTHERLY WINDS OF 20 TO 30 MPH WILL OCCUR IN THE MOUNTAINS. GUSTS TO OVER 50 MPH ARE POSSIBLE ACROSS EXPOSED RIDGES. VISIBILITIES WILL BE NEAR ZERO IN SOME PLACES DUE TO BLOWING AND DRIFTING SNOW. A WINTER STORM WARNING MEANS THAT A COMBINATION OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL NEARLY IMPOSSIBLE THIS EVENING. $$
000 WWUS46 KOTX 160455 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 855 PM PST WED NOV 15 2006 ...HEAVY MOUNTAIN SNOW AND GUSTY WINDS EXPECTED THIS EVENING... IDZ001-WAZ037-038-160800- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0800Z/ NORTHERN PANHANDLE-NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COLVILLE...DEER PARK...CHEWELAH...NEWPORT... KETTLE FALLS...REPUBLIC...INCHELIUM 855 PM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT. FOR THE MOUNTAINS OF NORTHEAST WASHINGTON...AN ADDITIONAL 2 TO 4 INCHES OF SNOW IS LIKELY BETWEEN 9 PM AND MIDNIGHT AS A VIGOROUS WINTER STORM SYSTEM MOVES THROUGH NORTHEAST WASHINGTON AND NORTHERN IDAHO. THE MOST SIGNIFICANT SNOW WILL AFFECT THE HIGH ELEVATIONS OF NORTH IDAHO PANHANDLE...WHERE FAVORED SLOPES CAN EXPECT AS MUCH AS AN ADDITIONAL 6 INCHES BETWEEN 9 PM AND MIDNIGHT. HEAVY SNOW ACCOMPANIED BY WINDS OF 20 TO 30 MPH WILL COMBINE TO PRODUCE NEAR WHITE OUT CONDITIONS FOR ELEVATIONS ABOVE 4000 FEET. A WINTER STORM WARNING MEANS THAT A COMBINATION OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL NEARLY IMPOSSIBLE THIS EVENING. $$ WAZ042-160600- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 855 PM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING. AN ADDITIONAL 2 TO 3 INCHES OF SNOW IS LIKELY OVER THE EAST SLOPES OF THE NORTHERN CASCADES TONIGHT FOR ELEVATIONS ABOVE 3000 FEET. GUSTY SOUTHWEST WINDS...ESPECIALLY NEAR MOUNTAIN RIDGES WILL COMBINE TO CREATE NEAR BLIZZARD CONDITIONS. THE WORST OF THE STORM HAS PASSED...BUT TRAVEL WILL REMAIN TREACHEROUS WITH BLOWING AND DRIFTING OF SNOW. A WINTER STORM WARNING MEANS THAT A COMBINATION OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL NEARLY IMPOSSIBLE THIS EVENING. $$
000 WWUS46 KOTX 160603 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1003 PM PST WED NOV 15 2006 ...WINTER STORM COMING TO AN END OVER MOUNTAINS OF EASTERN WASHINGTON AND NORTHERN IDAHO... WAZ037-038-160715- /O.CAN.KOTX.WS.W.0011.000000T0000Z-061116T0800Z/ NORTHEAST MOUNTAINS-OKANOGAN HIGHLANDS- INCLUDING THE CITIES OF...COLVILLE...DEER PARK...CHEWELAH... NEWPORT...KETTLE FALLS...REPUBLIC...INCHELIUM 1003 PM PST WED NOV 15 2006 ...WINTER STORM WARNING IS CANCELLED... ACCUMULATING SNOW IS NO LONGER EXPECTED IN THE MOUNTAINS OF NORTHEAST WASHINGTON TONIGHT. SOME SCATTERED SNOW SHOWERS MAY LINGER UNTIL MIDNIGHT...BUT ADDITIONAL ACCUMULATIONS ARE NO LONGER ANTICIPATED. THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING. $$ WAZ042-160715- /O.EXP.KOTX.WS.W.0011.000000T0000Z-061116T0600Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 1003 PM PST WED NOV 15 2006 ...WINTER STORM WARNING HAS EXPIRED... SNOW SHOWERS WILL PERSIST ALONG THE CREST OF THE NORTHERN CASCADES THROUGH THE EARLY MORNING HOURS. AN ADDITIONAL INCH OR TWO OF SNOW IS POSSIBLE NEAR THE CREST OF THE CASCADES...BUT ADDITIONAL WIDESPREAD SNOW AMOUNTS ARE NO LONGER EXPECTED OVER MOST OF THE REGION TONIGHT. THE WINTER STORM WARNING IS NO LONGER IN EFFECT. $$ IDZ001-160800- /O.CON.KOTX.WS.W.0011.000000T0000Z-061116T0800Z/ NORTHERN PANHANDLE- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER 1003 PM PST WED NOV 15 2006 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT PST TONIGHT. AN ADDITIONAL 2 TO 3 INCHES OF SNOW IS LIKELY IN THE MOUNTAINS OF IDAHO BETWEEN 10 PM AND MIDNIGHT. HEAVY SNOW ACCOMPANIED BY WINDS OF 20 TO 30 MPH WILL COMBINE TO PRODUCE NEAR WHITE OUT CONDITIONS FOR ELEVATIONS ABOVE 4000 FEET. PRECIPITATION WILL DECREASE TO LIGHT SNOW SHOWERS AFTER MIDNIGHT. A WINTER STORM WARNING MEANS THAT A COMBINATION OF SNOW AND BLOWING SNOW WILL MAKE TRAVEL NEARLY IMPOSSIBLE THIS EVENING. $$
000 WWUS46 KOTX 160805 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1205 AM PST THU NOV 16 2006 IDZ001-160915- /O.EXP.KOTX.WS.W.0011.000000T0000Z-061116T0800Z/ NORTHERN PANHANDLE- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER 1205 AM PST THU NOV 16 2006 ...WINTER STORM WARNING HAS EXPIRED... SNOW LEVELS HAVE GENERALLY RISEN ABOVE ALL BUT THE HIGHEST MOUNTAINS IN NORTH IDAHO. CONSEQUENTLY THE WINTER STORM WARNING HAS BEEN ALLOWED TO EXPIRE. WINDS WILL STILL REMAIN STRONG THROUGH THE NIGHT WITH WEST TO SOUTHWEST WIND GUSTS OF 40 TO 50 MPH POSSIBLE OVER EXPOSED MOUNTAINS AND RIDGES. $$
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 Nov 14, 2:30 AM PST, 1 hour 7 minutes earlier.
Area forecast discussion, Nov 14, 2:30 AM PST, 1 hour 7 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
230 AM PST TUE NOV 14 2006
.SYNOPSIS...A CONTINUED INFLUX OF PACIFIC ENERGY WILL IMPACT THE
AREA THROUGH MID-WEEK. CONDITIONS WILL BEGIN TO QUIET DOWN TOWARD
THE END OF THE WEEK AND FIRST PART OF THE WEEKEND.
&&
.DISCUSSION...
TODAY AND TONIGHT...THE BACK EDGE OF THE SHORT WAVE DISTURBANCE IS
SLOWLY MOVING THROUGH SHOSHONE COUNTY IN THE IDAHO PANHANDLE THIS AM.
LINGERING SHOWERS ARE EXPECTED THROUGH THE EARLY MORNING HOURS BEFORE
SUBSIDING LATER TODAY. OTHERWISE WEAK HIGH PRESSURE WILL BE OVER THE
FORECAST AREA TODAY FOR ONE DAY OF CALM WEATHER. HIGH TEMPERATURES
NEAR OR JUST ABOVE SEASONAL NORMALS. THE NEXT WEATHER SYSTEM IS
CURRENTLY MOVING ACROSS THE GULF OF ALASKA AND WILL BEGIN TO
EFFECT THE CASCADES TONIGHT. STRONG ISENTROPIC LIFT WILL ACCOMPANY
THIS NEXT SYSTEM. WATER VAPOR LOOPS INDICATE A VERY WELL DEFINED
TROPICAL CONNECTION AND MODEL PRECIPITABLE WATERS APPROACHING
AN INCH MOVE INTO THE REGION BY THURSDAY MORNING. AS SUCH
EXPECT ANOTHER WET AND WINDY SYSTEM. BEST LIFT APPROACHES THE
CASCADES NEAR 12Z TONIGHT AND SPREADS ACROSS THE FORECAST AREA
THROUGH THE DAY ON WEDNESDAY. SNOW LEVELS START OUT NEAR THE
SURFACE IN THE CASCADES BEFORE QUICKLY RISING WITH THE WARM
ADVECTION. AS SUCH EXPECT PRECIPITATION THROUGH EARLY WEDNESDAY
MORNING TO BEGIN AS MAINLY SNOW. TOBIN
WEDNESDAY THROUGH MONDAY...MAIN FORECAST CONCERN IS WARM FRONT THAT
MOVES IN ON WEDNESDAY FOLLOWED BY A COLD FRONT WEDNESDAY NIGHT.
NEXT BIG FEATURE TO MOVE INTO THE PAC NW IS CURRENTLY RESIDING IN
THE PACIFIC NEAR 150W 40N. SATELLITE PRECIPITABLE WATER VALUES ARE
CURRENTLY OVER AN INCH. WARM FRONT WILL MOVE IN FROM THE SOUTH
WEDNESDAY MORNING...AND BY AFTERNOON BE NORTH OF THE BORDER.
PRECIPITATION WILL START VERY EARLY WEDNESDAY MORNING ALONG THE
CREST OF THE CASCADES...AND THEN PROGRESS EASTWARD THROUGH THE
MORNING HOURS. MAIN CONCERN IS SNOW LEVELS AND HOW MUCH SNOW WILL
ACCUMULATE BEFORE THE WARM FRONT MOVES THROUGH...SPECIFICALLY ACROSS
THE CASCADES. LOOKS LIKE THE NORTHERN PART OF THE CASCADES...MAINLY
NORTH OF LAKE CHELAN WILL BE THE AREA OF CONCERN WHERE SNOW WILL
ACCUMULATE. SNOW LEVEL WILL START NEAR SURFACE WITH LIGHT
ACCUMULATIONS IN THE VALLEYS AND THEN RISE TO 5K-6K FT IN THE
AFTERNOON...AND THEN DROP TO THE SURFACE OVERNIGHT WITH THE PASSING
OF THE COLD FRONT. PRECIPITATION WILL START AS SNOW IN THE MORNING...
BRIEFLY CHANGING OVER TO RAIN OR A RAIN/SNOW MIX IN THE AFTERNOON AND
THEN BACK TO SNOW IN THE EVENING BEFORE TAPERING OFF BY MIDNIGHT.
HAVE DECIDED TO ISSUE A WINTER STORM WARNING ABOVE 3K FT FOR HEAVY
SNOW AND WINDY CONDITIONS. WINDS ARE ALSO A CONCERN FOR WEDNESDAY
AFTERNOON THROUGH THE EVENING HOURS ACROSS THE BASIN...EASTERN
WASHINGTON AND NORTH IDAHO. THINK ADVISORY CRITERIA CAN BE MET...BUT
GIVEN WE STILL HAVE 36 HOURS TILL THE ONSET OF THE EVENT...WILL HOLD
OFF ON AN ADVISORY AT THIS TIME AND WILL GO WITH WINDS SUSTAINED JUST
BELOW 30 MPH. A BRIEF PERIOD OF FREEZING RAIN IS ALSO A CONCERN FOR
THE NORTHERN VALLEYS OF WASHINGTON AND NORTH IDAHO WEDNESDAY MORNING
AS THE WARM AIR WILL RIDE OVER THE COLD AIR TRAPPED IN THE VALLEYS
BEFORE THE WINDS PICK UP IN THE AFTERNOON AND MIX THE VALLEYS OUT.
FORTUNATELY PRECIPITATION REALLY WILL NOT PICK UP IN INTENSITY UNTIL
THE AFTERNOON...SO ANY FREEZING RAIN THAT DOES FALL SHOULD BE BRIEF
WITH LITTLE ACCUMULATION. THE COLD FRONT EXITS THE SOUTHEASTERN PART
OF THE COUNTY WARNING AREA THURSDAY MORNING WITH DRIER CONDITIONS
EXPECTED THROUGH SUNDAY MORNING. SHOWERS ACROSS THE CASCADE CREST AND
OCCASIONAL MOUNTAINS SHOWERS CAN STILL BE EXPECTED...JUST NO
SIGNIFICANT ACCUMULATIONS ANTICIPATED. SUNDAY AFTERNOON/EVENING LOOKS
LIKE ANOTHER WARM FRONT WITH A SIMILAR PATH TO WEDNESDAYS SYSTEM...
FOLLOWED BY A COLD FRONT MONDAY. HAVE STARTED TO INCREASE CHANCE OF
PRECIPITATION. /KOCH
&&
.AVIATION...
VFR CONDITIONS ARE EXPECTED OVER EASTERN WASHINGTON THROUGH 06Z
WEDNESDAY. LINGERING SNOW SHOWERS WILL OBSCURE MOUNTAIN PEAKS
ABOVE 4000 FEET OVER THE IDAHO PANHANDLE THROUGH 10Z...BUT
SUBSIDENCE BEHIND AN ADVANCING SHORTWAVE WILL DECREASE CLOUDS OVER
THE REGION. BY 12Z...VFR CONDITIONS ARE EXPECTED OVER THE NORTHERN
IDAHO PANHANDLE. /GKOCH
&&
.PRELIMINARY POINT TEMPS/POPS...
SPOKANE 42 30 45 36 42 26 / 0 10 100 60 20 10
COEUR DALENE 41 32 44 35 42 27 / 0 10 100 90 30 20
PULLMAN 43 33 48 36 44 29 / 10 0 90 80 40 20
LEWISTON 48 35 52 40 49 33 / 10 0 70 70 30 10
COLVILLE 44 28 47 32 39 22 / 0 20 100 60 20 20
SANDPOINT 41 31 42 34 40 26 / 0 10 100 90 30 20
KELLOGG 40 33 42 36 41 30 / 10 10 100 90 40 20
MOSES LAKE 48 32 52 35 47 27 / 0 10 80 40 10 10
WENATCHEE 47 34 46 34 46 30 / 0 20 80 40 10 10
OMAK 45 35 48 33 44 29 / 0 50 100 40 10 10
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...NONE.
WA...WINTER STORM WARNING FROM MIDNIGHT TO 10 PM WEDNESDAY ABOVE
3000 FEET FOR EAST SLOPES NORTHERN CASCADES.
&&Hazardous weather outlook, Nov 13, 10:54 PM PST, 4 hours 43 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 1054 PM PST MON NOV 13 2006 WAZ042-141500- EAST SLOPES NORTHERN CASCADES- INCLUDING THE CITIES OF...LEAVENWORTH...MAZAMA...TWISP...WINTHROP 1054 PM PST MON NOV 13 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL WASHINGTON. .DAY ONE...TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY ANOTHER MOISTURE LADEN STORM SYSTEM WILL IMPACT THE CASCADES TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. SIGNIFICANT ACCUMULATIONS OF HIGH MOUNTAIN SNOW ARE POSSIBLE OVER THE EAST SLOPES OF THE NORTHERN CASCADES. THIS STORM SYSTEM HAS THE POTENTIAL TO PRODUCE LOCALLY HEAVY RAIN OVER THE LOWER ELEVATIONS OF THE CASCADES...AND STRONG WINDS DURING THE DAY ON WEDNESDAY. IDZ001>003-026-027-WAZ031>038-041-043-044-141500- NORTHERN PANHANDLE-COEUR DALENE AREA-IDAHO PALOUSE-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- OKANOGAN VALLEY-WATERVILLE PLATEAU- INCLUDING THE CITIES OF...SANDPOINT...RATHDRUM...BONNERS FERRY... PRIEST RIVER...COEUR DALENE...POST FALLS...HAYDEN...MOSCOW... LEWISTON...KAMIAH...CRAIGMONT...NEZPERCE...WINCHESTER...ANATONE... PEOLA...CLARKSTON...PULLMAN...MOSES LAKE...EPHRATA...OTHELLO... QUINCY...RITZVILLE...COULEE DAM...ODESSA...ELECTRIC CITY... WILBUR...GRAND COULEE...COULEE CITY...SPOKANE...COLVILLE... DEER PARK...CHEWELAH...NEWPORT...KETTLE FALLS...REPUBLIC... INCHELIUM...WENATCHEE...OMAK...OKANOGAN...BREWSTER...BRIDGEPORT... OROVILLE...WATERVILLE...MANSFIELD 1054 PM PST MON NOV 13 2006 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...TONIGHT NO HAZARDOUS WEATHER EXPECTED AT THIS TIME .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE UNSETTLED WET WEATHER WILL CONTINUE THROUGH THE PERIOD WITH THE NEXT WET WEATHER SYSTEM SLATED TO MOVE IN WEDNESDAY BRINGING WIDESPREAD RAIN...HIGH MOUNTAIN SNOW...WINDY CONDITIONS AND POSSIBLY SOME BRIEF PERIODS OF FREEZING RAIN TO SHELTERED VALLEYS IN THE NORTHERN MOUNTAIN VALLEYS. IDZ004-141500- CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE CITIES OF...ST. MARIES...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN 1054 PM PST MON NOV 13 2006 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO. .DAY ONE...TONIGHT SNOW SHOWERS WILL LINGER UNTIL ABOUT 1 AM OVER THE CENTRAL IDAHO PANHANDLE. ELEVATIONS ABOVE 4000 FEET CAN EXPECT AN ADDITIONAL 1 TO 2 INCHES OF SNOW BETWEEN 11 PM AND 1 AM. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE UNSETTLED WET WEATHER WILL CONTINUE THROUGH THE PERIOD WITH THE NEXT WET SYSTEM SLATED TO MOVE IN WEDNESDAY BRINGING RAIN AND MOUNTAIN SNOW.
The office that day
Everything else NWS Spokane, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 14, 12:25 PM PST | Wind Advisory | OTX | Adams, Asotin, Chelan, Douglas, Garfield, Grant and 4 more | 39 hr |
| Nov 14, 1:17 PM PST | Winter Weather Advisory | OTX | Douglas, Okanogan | 20 hr |
Nearby
Winter Storm Warnings in Washington, 2006Winter Storm Warnings in Idaho, 2006Every winter storm warning in 2006
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.