Alert archive / Idaho / Winter Storm Warnings in 2009
Winter Storm Warning 23, NWS Spokane, WA
NWS Spokane, WA issued this winter storm warning at Mar 24, 2009, 2:44 AM PDT for 6 counties in Idaho; Asotin County, Garfield County, Washington. It took effect at Mar 24, 2009, 2:00 PM PDT. It was in force for 38 hr. 2 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
- Mar 24, 2009, 2:44 AM PDT (09:44 UTC)
- In effect from
- Mar 24, 2009, 2:00 PM PDT
- Expired
- Mar 26, 2009, 3:50 AM PDT
- In force
- 38 hr
- Issued by
- NWS Spokane, WA
Counties Benewah County, ID, Kootenai County, ID, Latah County, ID, Lewis County, ID, Nez Perce County, ID, Shoshone County, ID, Asotin County, WA, Garfield County, WA
The radar
The Spokane radar (KOTX), 120 km from the middle of the area, began a volume at 09:41 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
| Time | Report | Where | Remark |
|---|---|---|---|
| Mar 25, 7:45 AM PDT | HEAVY SNOW 5.7 | Winchester, ID | FELL SINCE 7PM LAST NIGHT. STILL SNOWING LIGHTLY. ELEVATION 3980 FEET. |
| Mar 25, 6:00 PM PDT | HEAVY SNOW 10.8 | Winchester, ID | STORM TOTAL ENDING 6PM PDT. 5.1 INCHES NEW SINCE 745 AM PDT. ELEVATION 3980 FT. |
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 00:00Z, 9.7 hours before the alert went out and 105 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
- 1642 m above ground
- 0-6 km bulk shear
- 20 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 76 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 240944 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 244 AM PDT TUE MAR 24 2009 ...A SIGNIFICANT EARLY SPRING SNOW STORM IS EXPECTED TUESDAY NIGHT AND WEDNESDAY... .SNOW WILL DEVELOP ACROSS THE CASCADES LATE TUESDAY AFTERNOON AND SPREAD EASTWARD ACROSS MOUNTAIN AREAS INTO THE IDAHO PANHANDLE THROUGH TUESDAY NIGHT. HEAVY UPSLOPE SNOW ACCUMULATIONS ARE POSSIBLE NEAR THE CASCADE CREST...IN THE BLUE MOUNTAINS...ON THE CAMAS PRAIRIE...AND IN THE CENTRAL IDAHO PANHANDLE MOUNTAINS. ADDITIONALLY...SNOW LEVELS WILL FALL AFTER THE PRECIPITATION BEGINS...YIELDING THE POSSIBILITY OF SIGNIFICANT VALLEY SNOWFALL ACCUMULATIONS IN THE SAME AREAS AS THE STORM CONTINUES THROUGH WEDNESDAY EVENING. IDZ001-241045- /O.CAN.KOTX.WS.A.0004.090325T0000Z-090326T0600Z/ NORTHERN PANHANDLE- INCLUDING THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM... BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD 244 AM PDT TUE MAR 24 2009 ...WINTER STORM WATCH IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WATCH. SNOW IS EXPECTED THIS AFTERNOON THROUGH EARLY WEDNESDAY HOWEVER WIDESPREAD VALLEY ACCUMULATIONS WILL REMAIN NEAR ONE INCH WITH LOCALLY UP TO 3 INCHES POSSIBLE TUESDAY NIGHT. HEAVIER AMOUNTS ARE EXPECTED IN THE MOUNTAINS WHERE 3 TO 6 INCHES WILL BE POSSIBLE. THIS INCLUDES THE FOLLOWING LOCATIONS...SANDPOINT...RATHDRUM... BONNERS FERRY...PRIEST RIVER...SCHWEITZER MOUNTAIN ROAD. $$ IDZ004-241845- /O.UPG.KOTX.WS.A.0004.090325T0000Z-090326T0600Z/ /O.NEW.KOTX.WS.W.0023.090325T0000Z-090325T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 244 AM PDT TUE MAR 24 2009 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. HEAVY SNOWFALL WILL BRING THE POSSIBILITY OF 8 TO 14 INCHES OF SNOW ACCUMULATION IN THE MOUNTAINS WITH ISOLATED ACCUMULATIONS APPROACHING 20 INCHES...AND UP TO 3 TO 5 INCHES OF ACCUMULATION IN THE VALLEYS BY MIDDAY WEDNESDAY. SNOW LEVELS WILL BEGIN NEAR 3500 FEET TUESDAY AFTERNOON BUT LOWER TUESDAY NIGHT INTO WEDNESDAY MORNING TO VALLEY FLOORS. THE MOST INTENSE SNOW AND HEAVIEST ACCUMULATIONS ARE EXPECTED TO IMPACT THE REGION EARLY WEDNESDAY MORNING BEFORE SUNRISE THEN SNOW WILL GRADUALLY DECREASE IN INTENSITY THROUGH THE MORNING HOURS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. SNOW ACCUMULATIONS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ WAZ042-241845- /O.CON.KOTX.WS.A.0004.090324T2000Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS... LOUP LOUP PASS 244 AM PDT TUE MAR 24 2009 ...WINTER STORM WATCH REMAINS IN EFFECT FROM 1 PM PDT THIS AFTERNOON THROUGH WEDNESDAY MORNING... A WINTER STORM WATCH FOR HEAVY SNOW REMAINS IN EFFECT FROM 1 PM PDT THIS AFTERNOON THROUGH WEDNESDAY MORNING. HEAVY SNOWFALL WILL BRING THE POSSIBILITY OF 10 TO 20 INCHES OF ACCUMULATION NEAR THE CASCADE CREST AND HOLDEN VILLAGE...AS WELL AS UP TO A FOOT NEAR STEHEKIN. SIGNIFICANTLY LESS SNOW ACCUMULATION IS EXPECTED FARTHER FROM THE CREST WITH ACCUMULATIONS OF ONLY 1 TO 3 INCHES EXPECTED NEAR WINTHROP... LEAVENWORTH...AND TWISP. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && THIS INCLUDES THE FOLLOWING LOCATIONS...LEAVENWORTH...MAZAMA... TWISP...WINTHROP...STEHEKIN...CONCONULLY...BLEWETT PASS...LOUP LOUP PASS. $$ IDZ027-WAZ031-241845- /O.CON.KOTX.WS.A.0004.090325T0600Z-090326T0600Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 244 AM PDT TUE MAR 24 2009 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING... A WINTER STORM WATCH FOR HEAVY SNOW REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING. HEAVY SNOWFALL WILL BRING THE POSSIBILITY UP TO A FOOT OF SNOW ACCUMULATION IN THE BLUE MOUNTAINS AND 5 TO 7 INCHES OF ACCUMULATION ON THE CAMAS PRAIRIE TUESDAY NIGHT AND WEDNESDAY. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD...ANATONE...PEOLA...MOUNTAIN ROAD...CLOVERLAND ROAD. $$
9 follow-up statements
000 WWUS46 KOTX 241718 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1018 AM PDT TUE MAR 24 2009 ...A SIGNIFICANT EARLY SPRING SNOW STORM IS EXPECTED TUESDAY NIGHT AND WEDNESDAY... .SNOW WILL DEVELOP ACROSS THE CASCADES LATE TUESDAY AFTERNOON AND SPREAD EASTWARD ACROSS MOUNTAIN AREAS INTO THE IDAHO PANHANDLE THROUGH TUESDAY NIGHT. HEAVY UPSLOPE SNOW ACCUMULATIONS ARE POSSIBLE NEAR THE CASCADE CREST...IN THE BLUE MOUNTAINS...ON THE CAMAS PRAIRIE...AND IN THE CENTRAL IDAHO PANHANDLE MOUNTAINS. ADDITIONALLY...SNOW LEVELS WILL FALL AFTER THE PRECIPITATION BEGINS...YIELDING THE POSSIBILITY OF SIGNIFICANT VALLEY SNOWFALL ACCUMULATIONS IN THE SAME AREAS AS THE STORM CONTINUES THROUGH WEDNESDAY EVENING. WAZ031-250130- /O.UPG.KOTX.WS.A.0004.090325T0600Z-090326T0600Z/ /O.EXB.KOTX.WS.W.0023.090325T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 1018 AM PDT TUE MAR 24 2009 ...WINTER STORM WARNING IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT WEDNESDAY... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 PM PDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES ARE LIKELY IN THE NORTHEAST BLUE MOUNTAINS BY EARLY WEDNESDAY EVENING. PERIODS OF LIGHT SNOW ARE EXPECTED TUESDAY NIGHT...WITH ACCUMULATIONS OF 1 TO 3 INCHES BY WEDNESDAY MORNING. THE HEAVIEST SNOW WILL OCCUR ON WEDNESDAY. SNOWFALL RATES OF AN INCH PER HOUR WILL BE POSSIBLE WEDNESDAY MORNING AND WEDNESDAY AFTERNOON. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 30 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ WAZ042-250130- /O.UPG.KOTX.WS.A.0004.090324T2000Z-090325T1800Z/ /O.EXB.KOTX.WS.W.0023.090324T2100Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 1018 AM PDT TUE MAR 24 2009 ...WINTER STORM WARNING IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 AM PDT WEDNESDAY ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING ABOVE 3000 FEET FOR SNOW AND BLOWING SNOW...WHICH IS IN EFFECT FROM 2 PM THIS AFTERNOON TO 11 AM PDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE LIKELY ALONG THE CASCADE CREST BY LATE WEDNESDAY MORNING. THE HEAVIEST ACCUMULATIONS WILL OCCUR ABOVE 3000 FEET IN PLACES LIKE HOLDEN VILLAGE...STEHEKIN...AND ALONG HIGHWAY 2 FROM COLES CORNER TO STEVENS PASS. EAST OF THE CREST...ACCUMULATIONS WILL BE SIGNIFICANTLY LESS. TOTAL SNOW AMOUNTS IN THE LEAVENWORTH...CASHMERE...WINTHROP...AND TWISP WILL BE ONLY 1 TO 3 INCHES. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 40 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$ IDZ004-250130- /O.CON.KOTX.WS.W.0023.090325T0000Z-090325T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 1018 AM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 11 AM PDT WEDNESDAY. HEAVY SNOWFALL WILL BRING THE POSSIBILITY OF 8 TO 14 INCHES OF SNOW ACCUMULATION IN THE MOUNTAINS WITH ISOLATED ACCUMULATIONS APPROACHING 20 INCHES...AND UP TO 3 TO 5 INCHES OF ACCUMULATION IN THE VALLEYS BY MIDDAY WEDNESDAY. SNOW LEVELS WILL BEGIN NEAR 3500 FEET TUESDAY AFTERNOON BUT LOWER TUESDAY NIGHT INTO WEDNESDAY MORNING TO VALLEY FLOORS. THE MOST INTENSE SNOW AND HEAVIEST ACCUMULATIONS ARE EXPECTED TO IMPACT THE REGION EARLY WEDNESDAY MORNING BEFORE SUNRISE THEN SNOW WILL GRADUALLY DECREASE IN INTENSITY THROUGH THE MORNING HOURS. 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. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ IDZ027-250130- /O.CON.KOTX.WS.A.0004.090325T0600Z-090326T0600Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 1018 AM PDT TUE MAR 24 2009 ...WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING... A WINTER STORM WATCH REMAINS IN EFFECT FROM THIS EVENING THROUGH WEDNESDAY EVENING. HEAVY SNOWFALL WILL BRING THE POSSIBILITY OF 5 TO 7 INCHES OF ACCUMULATION ON THE CAMAS PRAIRIE TUESDAY NIGHT AND WEDNESDAY. THE MOST SIGNIFICANT ACCUMULATIONS WILL LIKELY OCCUR AT ELEVEATION ABOVE 3000 FEET INCLUDING THE WINCHESTER...CRAIGMONT...AND NEZPERCE AREAS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WATCH MEANS THERE IS A POTENTIAL FOR SIGNIFICANT SNOW ACCUMULATIONS THAT MAY IMPACT TRAVEL. CONTINUE TO MONITOR THE LATEST FORECASTS. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$
000 WWUS46 KOTX 242207 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 307 PM PDT TUE MAR 24 2009 ...A SIGNIFICANT EARLY SPRING SNOW STORM IS EXPECTED TONIGHT AND TOMORROW... IDZ027-250700- /O.UPG.KOTX.WS.A.0004.090325T0600Z-090326T0600Z/ /O.EXB.KOTX.WS.W.0023.090325T0600Z-090326T0300Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 307 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT WEDNESDAY ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT WEDNESDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY FOR ELEVATIONS ABOVE 3000 FEET BY WEDNESDAY EVENING...INCLUDING THE WINCHESTER... CRAIGMONT...AND NEZPERCE AREAS. TOTAL SNOW AMOUNTS AS HIGH AS 12 INCHES ARE POSSIBLE FOR THE HIGH TERRAIN WEST OF WINCHESTER. PERIODS OF LIGHT SNOW ARE LIKELY TONIGHT WITH ACCUMULATIONS AROUND 1 TO 3 INCHES BY EARLY MORNING. THE HEAVIEST SNOW WILL OCCUR TOMORROW MORNING AND EARLY TOMORROW AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$ IDZ004-250700- /O.CON.KOTX.WS.W.0023.090325T0000Z-090325T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 307 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY. SNOW ACCUMULATIONS OF 8 TO 14 INCHES ARE LIKELY BY WEDNESDAY EVENING FOR ELEVATIONS ABOVE 3000 FEET IN THE CENTRAL IDAHO PANHANDLE. ACCUMULATIONS IN THE VALLEYS WILL BE SIGNIFICANTLY LESS WITH ELEVATIONS BELOW 2500 FEET...LIKE ST MARIES AND CATALDO...RECEIVING AN INCH OF SNOW OR LESS. ELEVATIONS BETWEEN 2500 FEET AND 3000 FEET LIKE KELLOGG...WALLACE...AND AVERY HAVE THE POTENTIAL TO RECEIVE 1 TO 4 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW ELEVATIONS...DRIVING ACROSS THE PASSES IS NOT RECOMMENDED. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ WAZ031-250700- /O.CON.KOTX.WS.W.0023.090325T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 307 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY... A WINTER STORM WARNING FOR HEAVY SNOW AND BLOWING SNOW REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES ARE LIKELY IN THE NORTHEAST BLUE MOUNTAINS BY EARLY WEDNESDAY EVENING. PERIODS OF LIGHT SNOW ARE EXPECTED TONIGHT...WITH ACCUMULATIONS OF 1 TO 3 INCHES BY WEDNESDAY MORNING. THE HEAVIEST SNOW WILL OCCUR ON WEDNESDAY. SNOWFALL RATES OF AN INCH PER HOUR WILL BE POSSIBLE WEDNESDAY MORNING AND WEDNESDAY AFTERNOON. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 30 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ WAZ042-250700- /O.CON.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 307 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE LIKELY ALONG THE CASCADE CREST BY LATE WEDNESDAY MORNING. THE HEAVIEST ACCUMULATIONS WILL OCCUR ABOVE 3000 FEET IN PLACES LIKE HOLDEN VILLAGE...STEHEKIN...AND ALONG HIGHWAY 2 FROM COLES CORNER TO STEVENS PASS. EAST OF THE CREST...ACCUMULATIONS WILL BE SIGNIFICANTLY LESS. TEMPERATURES ARE EXPECTED TO REMAIN WARM ENOUGH BELOW 3000 FEET THAT SNOW WILL BE SLOW TO ACCUMULATE. TOTAL SNOW AMOUNTS IN THE LEAVENWORTH...CASHMERE...WINTHROP...AND TWISP WILL BE 2 INCHES OR LESS. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 40 MPH WILL CAUSE BLOWING AND DRIFTING SNOW ON THE RIDGES AND EXPOSED AREAS IN THE PASSES. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$
000 WWUS46 KOTX 250057 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 557 PM PDT TUE MAR 24 2009 ...A SIGNIFICANT EARLY SPRING SNOW STORM IS EXPECTED TONIGHT AND TOMORROW... IDZ004-250900- /O.CON.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 557 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY. SNOW ACCUMULATIONS OF 8 TO 14 INCHES ARE LIKELY BY WEDNESDAY EVENING FOR ELEVATIONS ABOVE 3000 FEET IN THE CENTRAL IDAHO PANHANDLE. ACCUMULATIONS IN THE VALLEYS WILL BE SIGNIFICANTLY LESS WITH ELEVATIONS BELOW 2500 FEET...LIKE ST MARIES AND CATALDO...RECEIVING AN INCH OF SNOW OR LESS. ELEVATIONS NEAR 2500 FEET TO 3500 FEET LIKE KELLOGG...WALLACE...AND AVERY HAVE THE POTENTIAL TO RECEIVE 1 TO 4 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW ELEVATIONS... DRIVING ACROSS THE PASSES IS NOT RECOMMENDED. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ WAZ031-250900- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 557 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES ARE LIKELY IN THE NORTHEAST BLUE MOUNTAINS BY EARLY WEDNESDAY EVENING. PERIODS OF LIGHT SNOW ARE EXPECTED TONIGHT...WITH ACCUMULATIONS OF 1 TO 3 INCHES BY WEDNESDAY MORNING. THE HEAVIEST SNOW WILL OCCUR ON WEDNESDAY. SNOWFALL RATES OF AN INCH PER HOUR WILL BE POSSIBLE WEDNESDAY MORNING AND WEDNESDAY AFTERNOON. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 30 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ IDZ027-250900- /O.CON.KOTX.WS.W.0023.090325T0600Z-090326T0300Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 557 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT FROM 11 PM THIS EVENING TO 8 PM PDT WEDNESDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY FOR ELEVATIONS ABOVE 3000 FEET BY WEDNESDAY EVENING...INCLUDING THE WINCHESTER... CRAIGMONT...AND NEZPERCE AREAS. TOTAL SNOW AMOUNTS AS HIGH AS 12 INCHES ARE POSSIBLE FOR THE HIGH TERRAIN WEST OF WINCHESTER. PERIODS OF LIGHT SNOW ARE LIKELY TONIGHT WITH ACCUMULATIONS AROUND 1 TO 3 INCHES BY EARLY MORNING. THE HEAVIEST SNOW WILL OCCUR TOMORROW MORNING AND EARLY TOMORROW AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$ WAZ042-250900- /O.CON.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 557 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE LIKELY ALONG THE CASCADE CREST BY LATE WEDNESDAY MORNING. THE HEAVIEST ACCUMULATIONS WILL OCCUR ABOVE 3000 FEET IN PLACES LIKE HOLDEN VILLAGE...AND ALONG HIGHWAY 2 FROM COLES CORNER TO STEVENS PASS. EAST OF THE CREST...ACCUMULATIONS WILL BE SIGNIFICANTLY LESS. TEMPERATURES ARE EXPECTED TO REMAIN WARM ENOUGH BELOW 3000 FEET THAT SNOW WILL BE SLOW TO ACCUMULATE. TOTAL SNOW AMOUNTS IN THE LEAVENWORTH...CASHMERE...WINTHROP...AND TWISP WILL BE 2 INCHES OR LESS. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 40 MPH WILL CAUSE BLOWING AND DRIFTING SNOW ON THE RIDGES AND EXPOSED AREAS IN THE PASSES. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$
000 WWUS46 KOTX 250454 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 954 PM PDT TUE MAR 24 2009 ...A SIGNIFICANT EARLY SPRING SNOW STORM IS EXPECTED TONIGHT AND TOMORROW... IDZ004-251300- /O.CON.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 954 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY. SNOW ACCUMULATIONS OF 8 TO 14 INCHES ARE LIKELY BY WEDNESDAY EVENING FOR ELEVATIONS ABOVE 3000 FEET IN THE CENTRAL IDAHO PANHANDLE. ACCUMULATIONS IN THE VALLEYS WILL BE SIGNIFICANTLY LESS WITH ELEVATIONS BELOW 2500 FEET...LIKE ST MARIES AND CATALDO...RECEIVING AN INCH OF SNOW OR LESS. ELEVATIONS NEAR 2500 FEET TO 3500 FEET LIKE KELLOGG...WALLACE...AND AVERY HAVE THE POTENTIAL TO RECEIVE 1 TO 4 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW ELEVATIONS... DRIVING ACROSS THE PASSES IS NOT RECOMMENDED. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ WAZ031-251300- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 954 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES ARE LIKELY IN THE NORTHEAST BLUE MOUNTAINS BY EARLY WEDNESDAY EVENING. PERIODS OF LIGHT SNOW ARE EXPECTED TONIGHT...WITH ACCUMULATIONS OF 1 TO 3 INCHES BY WEDNESDAY MORNING. THE HEAVIEST SNOW WILL OCCUR ON WEDNESDAY. SNOWFALL RATES OF AN INCH PER HOUR WILL BE POSSIBLE WEDNESDAY MORNING AND WEDNESDAY AFTERNOON. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 30 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ IDZ027-251300- /O.CON.KOTX.WS.W.0023.090325T0600Z-090326T0300Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 954 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 8 PM PDT WEDNESDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY FOR ELEVATIONS ABOVE 3000 FEET BY WEDNESDAY EVENING...INCLUDING THE WINCHESTER... CRAIGMONT...AND NEZPERCE AREAS. TOTAL SNOW AMOUNTS AS HIGH AS 12 INCHES ARE POSSIBLE FOR THE HIGH TERRAIN WEST OF WINCHESTER. PERIODS OF LIGHT SNOW ARE LIKELY TONIGHT WITH ACCUMULATIONS AROUND 1 TO 3 INCHES BY EARLY MORNING. THE HEAVIEST SNOW WILL OCCUR TOMORROW MORNING AND EARLY TOMORROW AFTERNOON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$ WAZ042-251300- /O.CON.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 954 PM PDT TUE MAR 24 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT WEDNESDAY. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE LIKELY ALONG THE CASCADE CREST BY LATE WEDNESDAY MORNING. THE HEAVIEST ACCUMULATIONS WILL OCCUR ABOVE 3000 FEET IN PLACES LIKE HOLDEN VILLAGE...AND ALONG HIGHWAY 2 FROM COLES CORNER TO STEVENS PASS. EAST OF THE CREST...ACCUMULATIONS WILL BE SIGNIFICANTLY LESS. TEMPERATURES ARE EXPECTED TO REMAIN WARM ENOUGH BELOW 3000 FEET THAT SNOW WILL BE SLOW TO ACCUMULATE. TOTAL SNOW AMOUNTS IN THE LEAVENWORTH...CASHMERE...WINTHROP...AND TWISP WILL BE 2 INCHES OR LESS. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 40 MPH WILL CAUSE BLOWING AND DRIFTING SNOW ON THE RIDGES AND EXPOSED AREAS IN THE PASSES. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$
000 WWUS46 KOTX 251010 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 310 AM PDT WED MAR 25 2009 IDZ004-251815- /O.EXT.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 310 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. SNOW ACCUMULATIONS OF 8 TO 14 INCHES ARE LIKELY BY WEDNESDAY EVENING FOR ELEVATIONS ABOVE 3000 FEET IN THE CENTRAL IDAHO PANHANDLE. ACCUMULATIONS IN THE VALLEYS WILL BE SIGNIFICANTLY LESS WITH ELEVATIONS BELOW 2500 FEET...LIKE ST MARIES AND CATALDO...RECEIVING AN INCH OF SNOW OR LESS. ELEVATIONS NEAR 2500 FEET TO 3500 FEET LIKE KELLOGG...WALLACE...AND AVERY HAVE THE POTENTIAL TO RECEIVE 2 TO 4 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW ELEVATIONS... DRIVING ACROSS THE PASSES IS NOT RECOMMENDED. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ IDZ027-251815- /O.EXT.KOTX.WS.W.0023.000000T0000Z-090326T1200Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 310 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 5 AM PDT THURSDAY... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 5 AM PDT THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY FOR ELEVATIONS ABOVE 3000 FEET BY WEDNESDAY EVENING...INCLUDING THE WINCHESTER... CRAIGMONT...AND NEZPERCE AREAS. TOTAL SNOW AMOUNTS AS HIGH AS 12 INCHES ARE POSSIBLE FOR THE HIGH TERRAIN WEST OF WINCHESTER. STEADY LIGHT SNOW WILL INTENSIFY THIS AFTERNOON AND TAPER OFF TO SCATTERED SNOW SHOWERS LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$ WAZ031-251815- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 310 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES ARE LIKELY IN THE NORTHEAST BLUE MOUNTAINS BY EARLY THIS EVENING. PERIODS OF LIGHT SNOW ARE EXPECTED TO INTENSIFY TODAY. SNOWFALL RATES OF AN INCH PER HOUR WILL BE POSSIBLE BY THIS AFTERNOON. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 30 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ WAZ042-251800- /O.CON.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 310 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING ABOVE 3000 FEET... A WINTER STORM WARNING ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING. TOTAL SNOW ACCUMULATIONS OF 10 TO 20 INCHES ARE LIKELY ALONG THE CASCADE CREST BY LATE THIS MORNING. THE HEAVIEST ACCUMULATIONS WILL OCCUR ABOVE 3000 FEET IN PLACES LIKE HOLDEN VILLAGE...AND ALONG HIGHWAY 2 FROM COLES CORNER TO STEVENS PASS. EAST OF THE CREST...ACCUMULATIONS WILL BE SIGNIFICANTLY LESS. TEMPERATURES ARE EXPECTED TO REMAIN WARM ENOUGH BELOW 3000 FEET THAT SNOW WILL BE SLOW TO ACCUMULATE. TOTAL SNOW AMOUNTS IN THE LEAVENWORTH...CASHMERE...WINTHROP...AND TWISP WILL BE 1 TO 2 INCHES OR LESS. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 40 MPH WILL CAUSE BLOWING AND DRIFTING SNOW ON THE RIDGES AND EXPOSED AREAS IN THE PASSES. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT TUESDAY NIGHT AND WEDNESDAY MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SIGNIFICANT AMOUNTS OF SNOW ARE EXPECTED OR OCCURRING. STRONG WINDS ARE ALSO POSSIBLE. THIS WILL MAKE TRAVEL VERY HAZARDOUS OR IMPOSSIBLE. && THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$
000 WWUS46 KOTX 251758 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1058 AM PDT WED MAR 25 2009 WAZ042-251900- /O.CAN.KOTX.WS.W.0023.000000T0000Z-090325T1800Z/ EAST SLOPES NORTHERN CASCADES- INCLUDING THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS 1058 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING. STEADY SNOWFALL HAS DIMINISHED TO SCATTERED SNOW SHOWERS ACROSS THE NORTHERN CASCADES AS DRIER AIR MOVES IN FROM THE NORTH. SCATTERED SNOW SHOWERS WILL CONTINUE THROUGH EARLY AFTERNOON ALONG THE CREST NEAR STEVENS PASS WITH ADDITIONAL LIGHT ACCUMULATIONS. THIS INCLUDES THE FOLLOWING LOCATIONS...BLEWETT PASS...LOUP LOUP PASS. $$ IDZ004-260000- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 1058 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. SNOW ACCUMULATIONS OF 8 TO 14 INCHES ARE LIKELY BY THIS EVENING FOR ELEVATIONS ABOVE 3000 FEET IN THE CENTRAL IDAHO PANHANDLE. ACCUMULATIONS IN THE VALLEYS WILL BE SIGNIFICANTLY LESS WITH ELEVATIONS BELOW 2500 FEET...LIKE ST MARIES AND CATALDO...RECEIVING AN INCH OF SNOW OR LESS. ELEVATIONS NEAR 2500 FEET TO 3500 FEET LIKE KELLOGG...WALLACE...AND AVERY HAVE THE POTENTIAL TO RECEIVE 2 TO 4 INCHES. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. ONLY TRAVEL IN AN EMERGENCY. IF YOU MUST...KEEP AN EXTRA FLASHLIGHT...FOOD...AND WATER IN YOUR VEHICLE IN CASE OF AN EMERGENCY. EVEN THOUGH ROAD CONDITIONS MAY BE GOOD IN THE VALLEYS AND LOW ELEVATIONS... DRIVING ACROSS THE PASSES IS NOT RECOMMENDED. && THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ WAZ031-260000- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 1058 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 PM PDT THIS AFTERNOON. TOTAL SNOW ACCUMULATIONS OF 8 TO 12 INCHES ARE LIKELY IN THE NORTHEAST BLUE MOUNTAINS BY EARLY THIS EVENING. PERIODS OF LIGHT SNOW ARE EXPECTED TO INTENSIFY TODAY. SNOWFALL RATES OF AN INCH PER HOUR WILL BE POSSIBLE BY THIS AFTERNOON. IN ADDITION TO THE HEAVY SNOW...WIND GUSTS TO 30 MPH WILL CAUSE BLOWING AND DRIFTING SNOW. WIND GUSTS WILL LIKELY BE THE MOST SIGNIFICANT THIS MORNING. PRECAUTIONARY/PREPAREDNESS ACTIONS... 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. && THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ IDZ027-260200- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T1200Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 1058 AM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY. SNOW ACCUMULATIONS OF 4 TO 8 INCHES ARE LIKELY FOR ELEVATIONS ABOVE 3000 FEET BY THIS EVENING...INCLUDING THE WINCHESTER... CRAIGMONT...AND NEZPERCE AREAS. TOTAL SNOW AMOUNTS AS HIGH AS 12 INCHES ARE POSSIBLE FOR THE HIGH TERRAIN WEST OF WINCHESTER. STEADY LIGHT SNOW WILL INTENSIFY THIS AFTERNOON AND TAPER OFF TO SCATTERED SNOW SHOWERS LATE TONIGHT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$
000 WWUS46 KOTX 252354 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 454 PM PDT WED MAR 25 2009 IDZ004-260100- /O.EXP.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ CENTRAL PANHANDLE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS 454 PM PDT WED MAR 25 2009 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM PDT THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM PDT THIS AFTERNOON. SCATTERED SNOW SHOWERS WILL CONTINUE INTO THE EVENING HOURS WITH LOCAL ACCUMULATIONS UP TO AN INCH. THUS THE WINTER STORM WARNING WILL EXPIRE AT 5 PM. THIS INCLUDES THE FOLLOWING LOCATIONS...KELLOGG...PINEHURST... OSBURN...WALLACE...MULLAN...FOURTH OF JULY PASS...DOBSON PASS... LOOKOUT PASS. $$ WAZ031-260100- /O.EXP.KOTX.WS.W.0023.000000T0000Z-090326T0000Z/ NORTHEAST BLUE MOUNTAINS- INCLUDING THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD 454 PM PDT WED MAR 25 2009 ...WINTER STORM WARNING WILL EXPIRE AT 5 PM PDT THIS AFTERNOON... THE WINTER STORM WARNING WILL EXPIRE AT 5 PM PDT THIS AFTERNOON. SCATTERED SNOW SHOWERS WILL CONTINUE INTO THE EVENING HOURS WITH LOCAL ACCUMULATIONS UP TO AN INCH. THUS THE WINTER STORM WARNING WILL EXPIRE AT 5 PM. THIS INCLUDES THE FOLLOWING LOCATIONS...ANATONE...PEOLA... MOUNTAIN ROAD...CLOVERLAND ROAD. $$ IDZ027-260800- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T1200Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 454 PM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY ABOVE 3000 FEET... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY. SNOW SHOWERS WILL CONTINUE TONIGHT BRINGING ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES ABOVE 3000 FEET. TOTAL SNOW ACCUMULATIONS FROM THIS STORM WILL RANGE FROM 5 TO 9 INCHES ABOVE 3000 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$
000 WWUS46 KOTX 260648 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 1148 PM PDT WED MAR 25 2009 IDZ027-261200- /O.CON.KOTX.WS.W.0023.000000T0000Z-090326T1200Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 1148 PM PDT WED MAR 25 2009 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT THURSDAY. SNOW SHOWERS WILL CONTINUE TONIGHT BRINGING ADDITIONAL SNOW ACCUMULATIONS OF 1 TO 2 INCHES ABOVE 3000 FEET. TOTAL SNOW ACCUMULATIONS FROM THIS STORM WILL RANGE FROM 6 TO 12 INCHES ABOVE 3000 FEET. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. SIGNIFICANT AMOUNTS OF SNOW ARE FORECAST THAT WILL MAKE TRAVEL DANGEROUS. THE SNOW WILL LIKELY BE WET AND HEAVY. REMOVAL OF SNOW FROM SIDEWALKS AND DRIVEWAYS COULD BE DIFFICULT. THOSE WITH HEALTH CONCERNS SHOULD EXERCISE CAUTION REMOVING SNOW FROM THEIR PROPERTY. && THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$
000 WWUS46 KOTX 261050 WSWOTX URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SPOKANE WA 350 AM PDT THU MAR 26 2009 IDZ027-261200- /O.CAN.KOTX.WS.W.0023.000000T0000Z-090326T1200Z/ LEWIS AND SOUTHERN NEZ PERCE COUNTIES- INCLUDING THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD 350 AM PDT THU MAR 26 2009 ...WINTER STORM WARNING IS CANCELLED... THE NATIONAL WEATHER SERVICE IN SPOKANE HAS CANCELLED THE WINTER STORM WARNING. SCATTERED LINGERING SNOW SHOWERS WILL CONTINUE THROUGH THE EARLY MORNING HOURS BEFORE FINALLY TAPERING OFF...BUT FURTHER ACCUMULATIONS WILL BE MINOR. THIS INCLUDES THE FOLLOWING LOCATIONS...CRAIGMONT...NEZPERCE... WINCHESTER...SOLDIERS MEADOW ROAD. $$
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 Mar 24, 2:32 AM PDT, 12 minutes earlier.
Area forecast discussion, Mar 24, 2:32 AM PDT, 12 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE SPOKANE WA
232 AM PDT TUE MAR 24 2009
.SYNOPSIS...
A SERIES OF STORM SYSTEMS WILL BRING NIGHT TIME AND MORNING SNOW
TO MANY LOCATIONS AND DAYTIME VALLEY RAIN AND MOUNTAIN SNOW
THROUGH THE NEXT 36 HOURS. BREEZY AND RAW CONDITIONS WILL ALSO
DEVELOP ACROSS THE REGION TODAY AND TONIGHT. A DRYING TREND IS
EXPECTED LATER IN THE WORK WEEK...FOLLOWED BY A RETURN TO
UNSETTLED SPRING CONDITIONS THIS WEEKEND.
&&
.DISCUSSION...
TODAY AND TONIGHT...SATELLITE INDICATES AN ACTIVE MOIST ZONAL
FLOW SETTING UP OVER THE NORTHWEST THIS MORNING. A SERIES OF WAVES
IN THIS NORTHWEST FLOW WILL PROMOTE AN ACTIVE AND BLUSTERY SPRING
WEATHER REGIME TODAY AND TONIGHT. FOR THIS MORNING...RADAR
INDICATES A WAVE OF SHOWERS MOVING THROUGH THE COLUMBIA BASIN
EARLY THIS MORNING. THESE SHOWER BANDS WILL IMPACT THE EASTERN
BASIN AND IDAHO PANHANDLE THIS MORNING...WHERE SURFACE TEMPERATURE
AND DEW POINTS SUGGEST AN ONSET OF SNOW AROUND THE MORNING COMMUTE
TIME TODAY OVER THE EAST BASIN RISING TERRAIN AND THE IDAHO
PANHANDLE MOUNTAINS. THIS FIRST BAND WILL BE GONE BY MID DAY WITH
LIKELY ONLY LIGHT ACCUMULATIONS IN THE VALLEYS AND MAINLY CONFINED
TO GRASSY SURFACES.
BOTH THE NAM AND GFS MODEL ARE IN GOOD AGREEMENT WITH THE OVERALL
FIELD OF MOTION FOR THE NEXT 24 HOURS. WITH THE EXIT OF THIS
MORNINGS SYSTEM...A MOIST ZONAL FLOW REGIME WILL BECOME
ESTABLISHED WITH CONTINUING MOUNTAIN SNOW SHOWERS AND A CHANCE OF
FURTHER RAIN SHOWERS OVER THE VALLEYS AND EAST BASIN THROUGH THE
AFTERNOON. BREEZY CONDITIONS WILL DEVELOP ACROSS THE BASIN AS A
SURFACE LOW DEVELOPS OVER ALBERTA AND SINKS SOUTH INTO MONTANA AND
WYOMING THIS EVENING CREATING A MODERATE TO STRONG SOUTHWEST
GRADIENT OVER THE FORECAST AREA. ALSO...ALOFT WINDS WILL INCREASE
AS A STRONG JET STREAM MIGRATES OVER THE REGION THIS AFTERNOON.
WHILE FAST WESTERLY/NORTHWEST FLOW ACROSS THE CASCADES WILL
PRODUCE A PRECIPITATION SHADOW OVER THE DEEP BASIN THROUGH THE
NEXT 24 HOURS...THE WINDS ALOFT SPILLING OVER THE CASCADES WITH
COLD AIR ADVECTION WILL CREATE WINDY CONDITIONS IN THE CASCADES
LEE ZONES. THIS SITUATION WILL NEED TO BE MONITORED FOR THE
POTENTIAL FOR WIND HIGHLIGHTS TONIGHT IN THE WENATCHEE AREA.
ALSO...THERE IS A POTENTIAL FOR CONVERGENCE BANDS TO SET UP OFF OF
THE CASCADES TONIGHT...AT THIS TIME IT IS NOT POSSIBLE TO
DETERMINE WHERE THESE BANDS WILL SET UP...BUT UNDER ANY OF THESE
BANDS LOCALLY HEAVY SNOW AMOUNTS MAY MENACE SOME OF THE VALLEYS OF
THE EAST SLOPES. HENCE THE CURRENT WINTER STORM WATCH WILL
CONTINUE FOR THE EAST SLOPES UNTIL THIS POTENTIAL CAN BE PINNED
DOWN FURTHER.
OVER THE EASTERN ZONES...WINTER STORM WATCH FOR THE
CENTRAL PANHANDLE MOUNTAINS IS BEING UPGRADED TO A WINTER STORM
WARNING WITH HIGH CONFIDENCE OF LONG RUNNING CONTINUOUS SNOW
SHOWERS BEING OROGRAPHICALLY DRIVEN INTO THIS ZONE OVER THE NEXT
24 HOURS. WHILE SNOW IS STILL EXPECTED IN THE NORTHERN IDAHO
PANHANDLE...AMOUNTS SHOULD BE BELOW HIGHLIGHT CRITERIA IN THE
VALLEYS SO THIS PORTION OF THE WATCH HAS BEEN SCRAPPED. TONIGHT
THE FLOW WILL BECOME EVEN MORE NORTHWESTERLY AND BY WEDNESDAY
MORNING THIS FLOW WILL BECOME OROGRAPHICALLY FAVORABLE FOR HEAVY
SNOW SHOWERS DRIVING INTO THE BLUE MOUNTAINS AND CAMAS PRAIRIE.
/FUGAZZI
WEDNESDAY...COLD UPPER-LEVEL LOW WILL BE DROPPING
INTO WASHINGTON/IDAHO BRINGING WINTRY CONDITIONS AND GUSTY WINDS.
WINTER STORM WATCHES HAVE BEEN REPLACED WITH WINTER STORM WARNINGS
FOR THE NORTHERN BLUES AND CAMAS PRAIRIE.
07Z WATER VAPOR IMAGERY DEPICTING A STRONG PACIFIC JET
AND DARKENING STRETCHING FROM GRAHAM ISLAND TO THE ALEUTIANS.
ALTHOUGH THE SYSTEM IS WEAKENING FROM ITS CURRENT STATE...IT WILL
STILL COME THROUGH THE PAC NW PACKING QUITE A PUNCH. MODEL PV
FIELDS APPEAR TO HAVE A DECENT DEPICTION OF THE INCOMING STORM AND
DONT SHOW MUCH VARIATION WITH THIS SYSTEM AT 12Z WEDNESDAY
HOWEVER...IT IS THROUGH THE DAY AS THE SYSTEM DROPS SOUTH THAT
TIMING ISSUES BECOME APPARENT. UNTIL THE 00Z GFS...THE GFS WAS
CONSISTENTLY THE FASTEST SOLUTION WITH THE NAM BEING ON THE
SLOWEST END OF THE SPECTRUM AND PREFERRED ECMWF/SREF IN THE MIDDLE
HOWEVER...THE 00Z RUN OF THE GFS HAS SLOWED CONSIDERABLY BECOMING
MORE IN LINE WITH THE SLOWER NAM SOLUTION AND NOW PLACES THE ECMWF
AS THE FAST OUTLIER. WILL FOLLOW A BLEND OF THE PREVIOUS GFS/ECMWF
SOLUTIONS BUT SLOW THINGS SLIGHTLY.
BEST SNOW POTENTIAL ON WEDNESDAY WILL SHIFT TO THE
SOUTHERN PORTIONS OF IDZ004...NORTHERN BLUES...AND CAMAS PRAIRIE
AS THE UPPER-LOW SINKS SOUTH SHIFTING THE DEEP FRONTOGENTICAL
LIFT...DIFFERENTIAL PVA...AND FAVORABLE DENDRITIC SNOWS WITH IT.
ADDITIONALLY...MODERATE W/SW 850MB FLOW WILL BEGIN TO VEER TO W/NW
SHIFTING THE BEST OROGRAPHICS ACROSS THE AFOREMENTIONED ZONES.
TIME-HEIGHT PLOTS ARE VERY IMPRESSIVE FOR LATE MARCH WITH DEEP
LAYER OMEGA FROM THE SFC TO 500MB FOR NEARLY A 6-8 HOUR TIME-
PERIOD. WITH THE STRONG UPWARD MOTION CROSSING THE -13 TO -15
CELSIUS ISOTHERM...THE FORECAST WILL CONTINUE TO FAVOR PERIODS OF
MODERATE TO HEAVY SNOW AND QUICK SNOW ACCUMULATIONS. UPDATED
QPF/SNOW AMOUNTS USING SIMILAR SNOW RATIOS AS EARLIER (18:1 ABOVE
4000 AND 6-8:1 BELOW) PRODUCED 6-10 FOR THE NORTHERN BLUES AND
CAMAS PRAIRIE FOR THE PERIOD 12Z -00Z THURSDAY ABOVE 3000-3500
WITH 1-3 GENERALLY BELOW 3000. SNOW LEVELS WILL BEGIN 3-4K FT
WEDNESDAY MORNING AND LOWER TO 2800-3000K FT BY LATE AFTERNOON.
SNOW LEVELS FOR THIS TIME OF YEAR GENERALLY REPRESENT THE BEST
ELEVATIONS FOR ACCUMULATING SNOW. SNOW/SNOW SHOWERS WILL LIKELY
FALL ACROSS THE REMAINDER OF THE LOWLANDS BUT ABOVE FREEZING BL
TEMPERATURES WILL MAKE ACCUMULATIONS HARD TO COME BY.
THE SECOND FOCUS FOR WEDNESDAY WILL BE GUSTY NORTH WINDS
BLOWING DOWN THE OKANOGAN VALLEY AND INTO THE WATERVILLE PLATEAU
AND WEST COLUMBIA BASIN. THE UPPER-LOW WILL TAKE A DUE TO NORTH TO
SOUTH TRACK THROUGH THE CWA AND A FAIRLY SIGNIFICANT AMOUNT OF
COLDER DENSE AIR WILL SQUEEZE THROUGH VALLEY INCREASING WINDS NEAR
20 KTS WITH GUSTS UP TO 40 KTS. HOWEVER...ITS WORTH NOTING THAT
THE SLIGHT POTENTIAL FOR STRONGER GUSTS WILL EXIST AS THE TROP
LOWERS TO 650-700MB WITH 80-90KTS WINDS ALOFT NEAR 500MB. WILL
HAVE TO MONITOR THE SATELLITE TRENDS FOR SIGNIFICANT
DRYING/SUBSIDENCE AND UPSTREAM DATA FOR THE POTENTIAL FOR
HIGHER GUSTS.
WINDS AND SNOW WILL CLEAR THE CWA WEDNESDAY NT INTO THURSDAY
LEADING TO A COOL...DRY DAY WITH TEMPERATURES A HAND-FULL OF
DEGREES BELOW NORMAL BUT PLENTY OF SUNSHINE. /BODNAR
&&
.AVIATION...SHOWERS MOVING IN FROM THE WEST TO BRING ABOUT
PRIMARILY MVFR CONDITIONS FOR MUCH OF THE TIME PERIOD INTO 6Z
WEDNESDAY WITH PERHAPS IFR CONDITIONS OVER THE HIGHER MOUNTAINS.
WINDS MAY PICK UP CONSIDERABLY AT THE SURFACE AND ALOFT NEAR 6Z
WEDNESDAY AND RESULT IN RATHER ROBUST GUSTY WINDS AND/OR PERHAPS
LOW LEVEL WIND SHEAR WITH WEST/SOUTHWEST WINDS AT THE SURFACE
COUPLED WITH STRONGER NORTHWEST WINDS ALOFT FOR A SPELL NEAR AND
AFTER 6Z WEDNESDAY. /PELATTI
&&
.PRELIMINARY POINT TEMPS/POPS...
SPOKANE 47 33 39 25 44 26 / 60 60 50 10 0 10
COEUR DALENE 44 33 40 21 42 25 / 60 80 70 10 0 10
PULLMAN 44 33 38 23 45 26 / 80 70 80 20 10 10
LEWISTON 54 38 45 29 49 31 / 80 50 80 30 10 10
COLVILLE 48 32 43 23 47 25 / 60 60 20 10 0 10
SANDPOINT 44 33 41 23 44 23 / 60 90 60 10 10 10
KELLOGG 39 32 36 21 44 25 / 70 100 100 40 10 10
MOSES LAKE 54 35 48 29 55 31 / 20 20 40 10 0 10
WENATCHEE 54 38 52 30 53 33 / 20 30 20 10 0 10
OMAK 54 33 45 27 51 30 / 20 40 20 10 0 10
&&
.OTX WATCHES/WARNINGS/ADVISORIES...
ID...WINTER STORM WARNING FROM 5 PM THIS AFTERNOON TO 11 AM PDT
WEDNESDAY FOR CENTRAL PANHANDLE MOUNTAINS.
WINTER STORM WATCH FROM THIS EVENING THROUGH WEDNESDAY EVENING
FOR LEWIS AND SOUTHERN NEZ PERCE COUNTIES.
WA...WINTER STORM WATCH FROM THIS EVENING THROUGH WEDNESDAY EVENING
FOR NORTHEAST BLUE MOUNTAINS.
WINTER STORM WATCH FROM 1 PM PDT THIS AFTERNOON THROUGH
WEDNESDAY MORNING FOR EAST SLOPES NORTHERN CASCADES.
&&Hazardous weather outlook, Mar 23, 2:37 PM PDT, 12 hours 7 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE SPOKANE WA 237 PM PDT MON MAR 23 2009 IDZ001-004-027-WAZ031-042-242145- NORTHERN PANHANDLE-CENTRAL PANHANDLE MOUNTAINS- LEWIS AND SOUTHERN NEZ PERCE COUNTIES-NORTHEAST BLUE MOUNTAINS- EAST SLOPES NORTHERN CASCADES- 237 PM PDT MON MAR 23 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO... NORTH CENTRAL IDAHO...NORTH CENTRAL WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...THIS AFTERNOON AND TONIGHT A FAST MOVING STORM SYSTEM WILL PUSH INTO EASTERN WASHINGTON OVERNIGHT SPREADING LIGHT SNOW ACROSS THE MOUNTAINS OF THE INLAND NORTHWEST LATE TONIGHT. ANTICIPATE LIGHT TO MODERATE SNOW ACCUMULATIONS NEAR THE CASCADE CREST. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SNOW SHOWERS WILL CONTINUE ON TUESDAY. MEANWHILE...A STRONGER AND COLDER STORM SYSTEM WILL DROP INTO THE INLAND NORTHWEST...WITH THE POTENTIAL FOR MODERATE TO HEAVY ACCUMULATING SNOW ACROSS THE MOUNTAINS TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. IDZ002-003-WAZ033-035>038-242145- COEUR DALENE AREA-IDAHO PALOUSE-WASHINGTON PALOUSE- UPPER COLUMBIA BASIN-SPOKANE AREA-NORTHEAST MOUNTAINS- OKANOGAN HIGHLANDS- 237 PM PDT MON MAR 23 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH IDAHO... EAST CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON...NORTHEAST WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...THIS AFTERNOON AND TONIGHT A FAST MOVING STORM SYSTEM WILL PUSH INTO EASTERN WASHINGTON OVERNIGHT SPREADING LIGHT SNOW ACROSS MUCH OF NORTHEAST WASHINGTON AND IDAHO PANHANDLE LATE TONIGHT. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY SNOW SHOWERS WILL CONTINUE ON TUESDAY MORNING BEFORE TAPERING OFF IN THE AFTERNOON. MEANWHILE...A STRONGER AND COLDER STORM SYSTEM WILL DROP INTO THE INLAND NORTHWEST...WITH THE POTENTIAL FOR LIGHT TO MODERATE SNOW ACROSS MUCH OF NORTHEAST WASHINGTON AND IDAHO PANHANDLE TUESDAY NIGHT THROUGH WEDNESDAY NIGHT. IDZ026-WAZ032-034-041-043-044-242145- LEWISTON AREA-LOWER GARFIELD AND ASOTIN COUNTIES-MOSES LAKE AREA- WENATCHEE AREA-OKANOGAN VALLEY-WATERVILLE PLATEAU- 234 PM PDT MON MAR 23 2009 THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL IDAHO...CENTRAL WASHINGTON...EAST CENTRAL WASHINGTON...NORTH CENTRAL WASHINGTON AND SOUTHEAST WASHINGTON. .DAY ONE...THIS AFTERNOON AND TONIGHT NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. FOR TUESDAY THROUGH WEDNESDAY NIGHT...A STRONG...COLD LOW PRESSURE SYSTEM WILL DROP INTO THE INLAND NORTHWEST AND BRING THE THREAT FOR MINOR SNOW ACCUMULATIONS AND BREEZY WINDS.
Nearby
Winter Storm Warnings in Idaho, 2009Winter Storm Warnings in Washington, 2009Every winter storm warning in 2009
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.