Alert archive / Oregon / Winter Storm Warnings in 2012
Winter Storm Warning 5, NWS Pendleton, OR
NWS Pendleton, OR issued this winter storm warning at Feb 17, 2012, 2:59 PM PST for Columbia County, Walla Walla County, Washington; Umatilla County, Union County, Wallowa County, Oregon. It took effect at Feb 17, 2012, 4:00 PM PST. It was in force for 42 hr. 3 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
- Feb 17, 2012, 2:59 PM PST (22:59 UTC)
- In effect from
- Feb 17, 2012, 4:00 PM PST
- Expired
- Feb 19, 2012, 10:00 AM PST
- In force
- 42 hr
- Issued by
- NWS Pendleton, OR
Counties Umatilla County, OR, Union County, OR, Wallowa County, OR, Columbia County, WA, Walla Walla County, WA
The radar
The Pendleton radar (KPDT), 63 km from the middle of the area, began a volume at 23:02 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 |
|---|---|---|---|
| Feb 19, 8:39 AM PST | HEAVY SNOW 8 | 3 Nnw Ski Bluewood, WA | THE TOUCHET SNOTEL RECORDED 8 INCHES OF NEW SNOW IN 12 HOURS ENDING AT 4 AM THIS MORNING. |
| Feb 19, 8:39 AM PST | HEAVY SNOW 14 | Ski Bluewood, WA | SKI BLUEWOOD REPORTED A 24 HOUR TOTAL OF 14 INCHES, ENDING AT 5 AM THIS MORNING. |
| Feb 19, 8:39 AM PST | HEAVY SNOW 16 | 9 Sw Ski Bluewood, OR | MILK SHAKES SNOTEL REPORTED 16 INCHES IN 24 HOURS FROM 8 AM SATURDAY TO 8 AM SUNDAY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Spokane, WA (KOTX), launched 12:00Z, 11.0 hours before the alert went out and 246 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
- 638 m above ground
- 0-6 km bulk shear
- 53 kt
- 0-1 km storm-relative helicity
- 3 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
733 WWUS46 KPDT 172259 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 259 PM PST FRI FEB 17 2012 ...SIGNIFICANT SNOW ACCUMULATIONS ALONG THE EAST SLOPES OF THE WASHINGTON CASCADES BEGINNING LATE THIS AFTERNOON THROUGH SUNDAY MORNING... .A MOIST PACIFIC STORM SYSTEM WILL MOVE ACROSS THE REGION TONIGHT AND WILL REMAIN OVER WASHINGTON THROUGH EARLY SUNDAY MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CRESTS WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES. WAZ520-180700- /O.UPG.KPDT.WW.Y.0006.000000T0000Z-120218T1800Z/ /O.NEW.KPDT.WS.W.0005.120218T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 259 PM PST FRI FEB 17 2012 ...WINTER STORM WARNING IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 1500 FEET... THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WINTER STORM WARNING ABOVE 1500 FEET FOR HEAVY SNOW WHICH IS IN EFFECT UNTIL 10 AM PST SUNDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 3 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST WILL SEE TOTAL STORM ACCUMULATIONS OF 15 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: SNOW WILL BEGIN LATE THIS AFTERNOON AND WILL INCREASE IN INTENSITY THIS EVENING. SNOW FALL WILL DECREASE IN INTENSITY OVERNIGHT. SNOW FALL WILL AGAIN INCREASE SATURDAY...CONTINUING THROUGH SATURDAY NIGHT INTO SUNDAY MORNING BEFORE TAPERING OFF TO SHOWERS. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$
7 follow-up statements
085 WWUS46 KPDT 180425 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 825 PM PST FRI FEB 17 2012 ...A MAJOR WINTER STORM TO STRIKE THE EAST SLOPES OF THE WASHINGTON CASCADES THROUGH SUNDAY MORNING... .A MOIST PACIFIC STORM SYSTEM WILL MOVE ACROSS THE REGION TONIGHT AND WILL REMAIN OVER WASHINGTON THROUGH EARLY SUNDAY MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CRESTS WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES. WAZ520-181500- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 825 PM PST FRI FEB 17 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 1500 FEET... A WINTER STORM WARNING ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 3 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST WILL SEE TOTAL STORM ACCUMULATIONS OF 15 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE AND WILL BECOME HEAVY AT TIMES. SNOW WILL DECREASE IN INTENSITY OVERNIGHT. HOWEVER THE SNOW WILL AGAIN INCREASE SATURDAY...CONTINUING THROUGH SATURDAY NIGHT AND INTO SUNDAY MORNING BEFORE TAPERING OFF TO SHOWERS. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$
976 WWUS46 KPDT 181334 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 534 AM PST SAT FEB 18 2012 ...A MAJOR WINTER STORM TO BRING HEAVY SNOW TO THE EAST SLOPES OF THE WASHINGTON CASCADES THROUGH SUNDAY MORNING... .A MOIST PACIFIC STORM SYSTEM WILL MOVE ACROSS THE REGION TODAY AND WILL REMAIN OVER WASHINGTON THROUGH EARLY SUNDAY MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CREST WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES. WAZ520-182300- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 534 AM PST SAT FEB 18 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 1500 FEET... A WINTER STORM WARNING ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 4 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST WILL SEE TOTAL STORM ACCUMULATIONS OF 10 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE AND WILL BECOME HEAVY AT TIMES. THE SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH THE NIGHT INTO SUNDAY MORNING BEFORE TAPERING OFF TO SHOWERS. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$
484 WWUS46 KPDT 182254 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 254 PM PST SAT FEB 18 2012 ...A MAJOR WINTER STORM TO BRING HEAVY SNOW TO THE EAST SLOPES OF THE WASHINGTON CASCADES THROUGH SUNDAY MORNING AND HEAVY SNOW TONIGHT TO THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON AND THE BLUE MOUNTAIN FOOTHILLS OF WASHINGTON... .A MOIST PACIFIC STORM SYSTEM WILL MOVE ACROSS THE REGION TONIGHT AND WILL REMAIN OVER WASHINGTON THROUGH SUNDAY MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CREST WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES AS WELL AS SIGNIFICANT SNOW ACCUMULATIONS IN THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON AND THE BLUE MOUNTAIN FOOTHILLS OF WASHINGTON. ORZ502-WAZ030-190700- /O.EXB.KPDT.WS.W.0005.120219T0300Z-120219T1500Z/ NORTHERN BLUE MOUNTAINS OF OREGON- NORTHWEST BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITIES OF...MEACHAM...TOLLGATE... SKI BLUEWOOD RESORT 254 PM PST SAT FEB 18 2012 ...WINTER STORM WARNING IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST SUNDAY... THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST SUNDAY. * SNOW ACCUMULATIONS: 7 TO 11 INCHES IN THE HIGHER TERRAIN ABOVE 4500 FEET IN THE NORTHERN BLUE MOUNTAINS AND GENERALLY 3 TO 8 INCHES BELOW 4500 FEET. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE THIS AFTERNOON AND WILL BECOME HEAVY AT TIMES THIS EVENING. THE SNOW WILL INCREASE AND BE HEAVY AT TIMES LATE IN THE EVENING AND CONTINUE HEAVY AT TIMES THROUGH TONIGHT INTO SUNDAY MORNING BEFORE TAPERING OFF TO SNOW SHOWERS BY LATE SUNDAY MORNING. * LOCATIONS INCLUDE: SKI BLUEWOOD RESORT...MEACHAM...TOLLGATE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 84 AND HIGHWAY 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$ WAZ520-190700- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 254 PM PST SAT FEB 18 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 1500 FEET... A WINTER STORM WARNING ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 4 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST WILL SEE TOTAL STORM ACCUMULATIONS OF 10 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE AND WILL BECOME HEAVY AT TIMES. THE SNOW WILL INCREASE THIS AFTERNOON AND CONTINUE THROUGH THE NIGHT INTO SUNDAY MORNING BEFORE TAPERING OFF TO SHOWERS. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$ WAZ029-190700- /O.NEW.KPDT.WW.Y.0007.120219T0300Z-120219T1500Z/ FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITY OF...DAYTON 254 PM PST SAT FEB 18 2012 ...WINTER WEATHER ADVISORY IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST SUNDAY ABOVE 1500 FEET... THE NATIONAL WEATHER SERVICE IN PENDLETON HAS ISSUED A WINTER WEATHER ADVISORY ABOVE 1500 FEET FOR SNOW...WHICH IS IN EFFECT FROM 7 PM THIS EVENING TO 7 AM PST SUNDAY. * SNOW ACCUMULATIONS: 1 TO 4 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE THIS AFTERNOON AND WILL BECOME HEAVY AT TIMES THIS EVENING. * LOCATIONS INCLUDE: DAYTON AND WAITSBURG. * WINDS: WINDS OF 15 TO 20 MPH WILL PRODUCE BLOWING SNOW IN SOME AREAS. * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING WASHINGTON STATE HIGHWAY 12 THROUGH WAITSBURG AND DAYTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW IS OCCURRING OR IS EXPECTED TO DEVELOP AND ACCUMULATE. TRAVEL MAY BE HAZARDOUS... ESPECIALLY ON BRIDGES...OVERPASSES...AND SECONDARY ROADS. MOTORISTS ARE URGED TO USE EXTREME CAUTION...AND SLOW DOWN TO ADJUST FOR RAPIDLY CHANGING DRIVING CONDITIONS AND REDUCED VISIBILITIES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON.TON. && $$
420 WWUS46 KPDT 190552 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 952 PM PST SAT FEB 18 2012 ...A MAJOR WINTER STORM WILL BRING HEAVY SNOW TO THE EAST SLOPES OF THE WASHINGTON CASCADES THROUGH SUNDAY MORNING. ALSO HEAVY SNOW IS EXPECTED TONIGHT IN THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON AND THE BLUE MOUNTAIN FOOTHILLS OF WASHINGTON... .A MOIST PACIFIC STORM SYSTEM WILL MOVE ACROSS THE REGION TONIGHT AND WILL REMAIN OVER WASHINGTON THROUGH SUNDAY MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CREST WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES AS WELL AS SIGNIFICANT SNOW ACCUMULATIONS IN THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON AND THE BLUE MOUNTAIN FOOTHILLS OF WASHINGTON. ORZ502-WAZ030-191500- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1500Z/ NORTHERN BLUE MOUNTAINS OF OREGON- NORTHWEST BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITIES OF...MEACHAM...TOLLGATE... SKI BLUEWOOD RESORT 952 PM PST SAT FEB 18 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY. * SNOW ACCUMULATIONS: 7 TO 11 INCHES IN THE HIGHER TERRAIN ABOVE 4500 FEET IN THE NORTHERN BLUE MOUNTAINS AND GENERALLY 3 TO 8 INCHES BELOW 4500 FEET. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE INTO SUNDAY MORNING. THE SNOW WILL BE HEAVY AT TIMES AND TAPER OFF TO SNOW SHOWERS BY LATE SUNDAY MORNING. * LOCATIONS INCLUDE: SKI BLUEWOOD RESORT...MEACHAM...TOLLGATE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 84 AND HIGHWAY 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$ WAZ520-191500- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 952 PM PST SAT FEB 18 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY ABOVE 1500 FEET... A WINTER STORM WARNING ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 10 AM PST SUNDAY. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 4 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST WILL SEE TOTAL STORM ACCUMULATIONS OF 10 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE AND BECOME HEAVY AT TIMES INTO SUNDAY MORNING BEFORE TAPERING OFF TO SHOWERS. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$ WAZ029-191500- /O.CON.KPDT.WW.Y.0007.000000T0000Z-120219T1500Z/ FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITY OF...DAYTON 952 PM PST SAT FEB 18 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY ABOVE 1500 FEET... A WINTER WEATHER ADVISORY ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 7 AM PST SUNDAY. * SNOW ACCUMULATIONS: 1 TO 4 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE INTO SUNDAY MORNING. * LOCATIONS INCLUDE: DAYTON AND WAITSBURG. * WINDS: WINDS OF 15 TO 20 MPH WILL PRODUCE BLOWING SNOW IN SOME AREAS. * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING WASHINGTON STATE HIGHWAY 12 THROUGH WAITSBURG AND DAYTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY IS ISSUED WHEN SNOW IS OCCURRING OR IS EXPECTED TO DEVELOP AND ACCUMULATE. TRAVEL MAY BE HAZARDOUS... ESPECIALLY ON BRIDGES...OVERPASSES...AND SECONDARY ROADS. MOTORISTS ARE URGED TO USE EXTREME CAUTION...AND SLOW DOWN TO ADJUST FOR RAPIDLY CHANGING DRIVING CONDITIONS AND REDUCED VISIBILITIES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON.TON. && $$
709 WWUS46 KPDT 191123 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 323 AM PST SUN FEB 19 2012 ...A MAJOR WINTER STORM WILL BRING HEAVY SNOW TO THE EAST SLOPES OF THE WASHINGTON CASCADES THROUGH THIS MORNING. ALSO HEAVY SNOW IS EXPECTED EARLY THIS MORNING OVER THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON EARLY THIS MORNING... .A MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO AFFECT THE REGION THIS MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CREST WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES. SIGNIFICANT SNOW ACCUMULATIONS IN THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON ARE ALSO EXPECTED EARLY THIS MORNING. WAZ029-191230- /O.CAN.KPDT.WW.Y.0007.000000T0000Z-120219T1500Z/ FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITY OF...DAYTON 323 AM PST SUN FEB 19 2012 ...WINTER WEATHER ADVISORY IS CANCELLED... THE NATIONAL WEATHER SERVICE IN PENDLETON HAS CANCELLED THE WINTER WEATHER ADVISORY. ACCUMULATING SNOW IS NO LONGER EXPECTED ALONG THE WASHINGTON BLUE MOUNTAIN FOOTHILLS. THEREFORE THE WINTER WEATHER ADVISORY HAS BEEN CANCELLED. THERE MAY BE A FEW LIGHT RAIN OR SNOW SHOWERS THIS MORNING WITH NO ACCUMULATION EXPECTED. $$ ORZ502-WAZ030-191500- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1500Z/ NORTHERN BLUE MOUNTAINS OF OREGON- NORTHWEST BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITIES OF...MEACHAM...TOLLGATE... SKI BLUEWOOD RESORT 323 AM PST SUN FEB 19 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 7 AM PST THIS MORNING. * SNOW ACCUMULATIONS: 7 TO 11 INCHES IN THE HIGHER TERRAIN ABOVE 4500 FEET IN THE NORTHERN BLUE MOUNTAINS AND GENERALLY 4 TO 8 INCHES BELOW 4500 FEET. * ELEVATION: ALL ELEVATIONS. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE EARLY THIS MORNING. THE SNOW WILL BE HEAVY AT TIMES AND TAPER OFF TO SNOW SHOWERS BY 7 AM. * LOCATIONS INCLUDE: SKI BLUEWOOD RESORT...MEACHAM...TOLLGATE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 84 AND HIGHWAY 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$ WAZ520-191500- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 323 AM PST SUN FEB 19 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 1500 FEET... A WINTER STORM WARNING ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 4 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST WILL SEE TOTAL STORM ACCUMULATIONS OF 10 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: LIGHT TO MODERATE SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH THIS MORNING. THE SNOW WILL TAPER OFF TO LIGHT SNOW SHOWERS BY LATE THIS MORNING. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL BECOME SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$
777 WWUS46 KPDT 191421 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 621 AM PST SUN FEB 19 2012 ...A MAJOR WINTER STORM WILL BRING HEAVY SNOW TO THE EAST SLOPES OF THE WASHINGTON CASCADES THROUGH THIS MORNING. ALSO HEAVY SNOW IS EXPECTED THROUGH THIS MORNING OVER THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON AS WELL... .A MOIST PACIFIC STORM SYSTEM WILL CONTINUE TO AFFECT THE REGION THIS MORNING. COLD AIR TRAPPED EAST OF THE CASCADES CREST WILL RESULT IN THE PRECIPITATION FALLING AS SNOW ABOVE 1500 FEET ALONG THE EAST SLOPES OF THE CASCADES. SIGNIFICANT SNOW ACCUMULATIONS IN THE NORTHERN BLUE MOUNTAINS OF WASHINGTON AND OREGON ARE ALSO EXPECTED THROUGH THIS MORNING. ORZ502-WAZ030-191800- /O.EXT.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ NORTHERN BLUE MOUNTAINS OF OREGON- NORTHWEST BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITIES OF...MEACHAM...TOLLGATE... SKI BLUEWOOD RESORT 621 AM PST SUN FEB 19 2012 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 10 AM PST THIS MORNING... THE WINTER STORM WARNING IS NOW IN EFFECT UNTIL 10 AM PST THIS MORNING. * SNOW ACCUMULATIONS: 8 TO 12 INCHES IN THE HIGHER TERRAIN ABOVE 4500 FEET IN THE NORTHERN BLUE MOUNTAINS AND GENERALLY 5 TO 9 INCHES BELOW 4500 FEET. * ELEVATION: ALL ELEVATIONS. * TIMING: SNOW...HEAVY AT TIMES WILL CONTINUE THIS MORNING. THE SNOW WILL TAPER OFF TO SCATTERED LIGHT SNOW SHOWERS BY 10 AM. * LOCATIONS INCLUDE: SKI BLUEWOOD RESORT...MEACHAM...TOLLGATE * IMPACTS: ROADS WILL REMAIN SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 84 AND HIGHWAY 204. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$ WAZ520-191800- /O.CON.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 621 AM PST SUN FEB 19 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING ABOVE 1500 FEET... A WINTER STORM WARNING ABOVE 1500 FEET REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING. * SNOW ACCUMULATIONS: GENERALLY 8 TO 16 INCHES NEAR THE CREST WITH 4 TO 8 INCHES AWAY FROM THE CREST...EXCEPT AREAS IN KITTITAS COUNTY NEAR THE CASCADE CREST AND THE BORDER OF CHELAN COUNTY WILL SEE TOTAL STORM ACCUMULATIONS OF 10 TO 20 INCHES. * ELEVATION: ABOVE 1500 FEET. * TIMING: SNOW WILL CONTINUE...HEAVY AT TIMES THROUGH THIS MORNING. THE SNOW WILL TAPER OFF TO LIGHT SNOW SHOWERS BY LATE THIS MORNING. * LOCATIONS INCLUDE: CLE ELUM...CLIFFDELL...EASTON...ROSLYN... TROUT LAKE * IMPACTS: ROADS WILL REMAIN SNOW COVERED AND HAZARDOUS INCLUDING INTERSTATE 90 THROUGH CLE ELUM AND EASTON. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING FOR HEAVY SNOW MEANS SIGNIFICANT SNOW ACCUMULATIONS ARE EXPECTED. SNOWFALL INTENSITIES WILL BE HEAVY ENOUGH TO SUBSTANTIALLY REDUCE VISIBILITIES AT TIMES. FOR ADDITIONAL WEATHER INFORMATION...CHECK OUR WEB SITE AT WWW.WEATHER.GOV/PENDLETON. && $$
540 WWUS46 KPDT 191806 WSWPDT URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE PENDLETON OR 1006 AM PST SUN FEB 19 2012 ORZ502-WAZ030-191915- /O.EXP.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ NORTHERN BLUE MOUNTAINS OF OREGON- NORTHWEST BLUE MOUNTAINS OF WASHINGTON- INCLUDING THE CITIES OF...MEACHAM...TOLLGATE... SKI BLUEWOOD RESORT 1006 AM PST SUN FEB 19 2012 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING... THE WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING. SNOWFALL ACROSS THE BLUE MOUNTAINS HAS DECREASED TO SCATTERED SNOW SHOWERS. THESE SHOWERS WILL DECREASE FURTHER THROUGH THE REST OF TODAY. ANY FURTHER SNOW ACCUMULATIONS WILL BE SPOTTY AND LIGHT. THUS THE WINTER STORM WARNING HAS BEEN ALLOWED TO EXPIRE. $$ WAZ520-191915- /O.EXP.KPDT.WS.W.0005.000000T0000Z-120219T1800Z/ EAST SLOPES OF THE WASHINGTON CASCADES- INCLUDING THE CITIES OF...CLE ELUM...CLIFFDELL...EASTON... ROSLYN...TROUT LAKE 1006 AM PST SUN FEB 19 2012 ...WINTER STORM WARNING WILL EXPIRE AT 10 AM PST THIS MORNING ABOVE 1500 FEET... THE WINTER STORM WARNING ABOVE 1500 FEET WILL EXPIRE AT 10 AM PST THIS MORNING. SNOWFALL ACROSS THE EAST SLOPES OF THE WASHINGTON CASCADES HAS DECREASED TO ISOLATED SNOW SHOWERS...WITH ONLY SPOTTY LIGHT ACCUMULATIONS EXPECTED THROUGH THE REST OF TODAY. THUS THE WINTER STORM WARNING HAS BEEN ALLOWED TO EXPIRE. $$
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 Pendleton, OR wrote its last area forecast discussion before this winter storm warning went out at Feb 17, 2:46 PM PST, 13 minutes earlier.
Area forecast discussion, Feb 17, 2:46 PM PST, 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PENDLETON OR
246 PM PST FRI FEB 17 2012
.SHORT TERM...TONIGHT THROUGH SUNDAY...THE NEXT PACIFIC SYSTEM
CONTINUES TO DEEPEN AND SPIN TOWARDS VANCOUVER ISLAND. THIS SYSTEM'S
COLD FRONT IS CURRENTLY JUST OFFSHORE OF THE PACNW AND IS PUSHING
PRECIP TO THE EDGE OF THE CASCADES. THIS FRONT WILL RACE ACROSS THE
INTERIOR NORTHWEST, EXITING OUR AREA BETWEEN MIDNIGHT AND 2 AM
SATURDAY. THERE IS A GOOD SLUG OF MOISTURE ALONG AND AHEAD OF THE
FRONT AND MOST AREAS SHOULD SEE MEASURABLE PRECIP AS THE FRONT MOVES
THROUGH. SNOW LEVELS AHEAD OF THE FRONT WILL BE GENERALLY HIGH,
RUNNING AROUND 5500 TO 6000 FEET IN CENTRAL OREGON AND 4500 TO 5500
FEET OVER NORTHEAST OREGON. SNOW LEVELS ARE A BIT LOWER OVER
SOUTHEAST WASHINGTON, RUNNING ABOUT 3500 TO 5000 FEET. THE LOWEST
SNOW LEVELS OF 2000 TO 2500 FEET ARE OVER KITTITAS COUNTY IN CENTRAL
WASHINGTON. THUS MOST LOCATIONS WILL SEE RAIN OR A RAIN/SNOW MIX
WITH THE FRONT, EXCEPT IN KITTITAS COUNTY WHERE SNOW WILL BE MOST
LIKELY. SNOW LEVELS WILL FALL BEHIND THE FRONT, BUT PRECIPITATION
AMOUNTS WILL BE LIGHTER, SO AM EXPECTING BELOW ADVISORY SNOW MOST
ZONES POST FRONT. MEANWHILE WEST FLOW INTO THE WASHINGTON CASCADES
WILL INCREASE LATER TONIGHT AND PERSIST INTO SUNDAY MORNING. THUS,
COMBINING THE FRONTAL PRECIP TONIGHT TO POST-FRONTAL SLOP OVER
PRECIP, EXPECT HEAVY SNOW IN THE WASHINGTON CASCADE EAST SLOPES
(ESPECIALLY NEAR CREST). AS SUCH WILL DROP THE CURRENT ADVISORY FOR
LATE TODAY AND TONIGHT AND UPGRADE TO A WINTER STORM WARNING
TONIGHT THROUGH SUNDAY MORNING. STILL EXPECT PRESSURE GRADIENTS WILL
TIGHTEN ACROSS SOUTHERN GRANDE RONDE VALLEY AHEAD OF THE FRONT.
THERE IS SOME INDICATION THAT SURFACE LOW MAY DEVELOP ALONG THE
FRONT AND MOVE ALONG THE BLUE MOUNTAIN FOOTHILLS. THIS LOW WOULD
HELP TIGHTEN THE GRADIENTS ACROSS THE GRANDE RONDE VALLEY FURTHER.
THUS WILL CONTINUE THE CURRENT WIND ADVISORY.
FOR SATURDAY, EXPECT VARYING AMOUNTS OF SHOWERS DUE TO INSTABILITY
ASSOCIATED WITH THE SYSTEM'S UPPER LOW. ALSO SURFACE GRADIENTS
ACROSS THE COLUMBIA BASIN SHOULD TIGHTEN ENOUGH FOR WINDY CONDITIONS
WITH A FEW LOCATIONS POSSIBLY NEARING ADVISORY LEVELS. THE REMNANTS
OF THE UPPER LOW WILL KEEP SNOW SHOWERS GOING SATURDAY NIGHT INTO
SUNDAY, WITH A GRADUAL DECREASE IN COVERAGE EXPECTED SUNDAY. 90
.LONG TERM...SUNDAY NIGHT THROUGH FRIDAY...AN ACTIVE WEATHER PATTERN
WILL CONTINUE THROUGH THE LONG TERM PERIOD. A TROUGH WILL DEPART THE
AREA SUNDAY NIGHT WITH A FEW LINGERING SHOWERS MAINLY IN THE
MOUNTAINS. A NORTHWEST FLOW WILL DEVELOP MONDAY AND ANOTHER SYSTEM
WILL MOVE INTO THE AREA MONDAY AFTERNOON THROUGH TUESDAY WITH A
CHANCE OF RAIN AND MOUNTAIN SNOW. RIDGING FROM THE EASTERN PACIFIC
WILL BEGIN BUILDING TUESDAY NIGHT WITH A DRYING TREND THROUGH
WEDNESDAY NIGHT BUT DUE TO AN UPSLOPE FLOW INTO THE MOUNTAINS HAVE
KEPT A CHANCE OF RAIN AND SNOW IN THE MOUNTAINS. ON THURSDAY MODELS
BEGIN DIVERGING WITH SOME BRINGING A SYSTEM IN THURSDAY AND OTHERS
ON FRIDAY. GIVEN THE DISAGREEMENT, HAVE KEPT A SLIGHT CHANCE OF RAIN
IN THE LOWER ELEVATIONS WITH A CHANCE OF RAIN AND SNOW IN THE
MOUNTAINS THURSDAY THROUGH FRIDAY. BREEZY WINDS ARE EXPECTED AT
TIMES WITH THE PASSAGE OF SYSTEMS. TEMPERATURES WILL START OUT IN
THE UPPER 30S AND 40S ON MONDAY, WARM TO THE MID 40S TO MID 50S
WEDNESDAY THEN COOL BACK TO THE UPPER 30S AND 40S BY FRIDAY. PERRY
&&
.AVIATION...PREVIOUS DISCUSSION...18Z TAFS...A WEATHER SYSTEM MOVING
THROUGH THE AREA LATE THIS AFTERNOON AND TONIGHT WILL BRING BROKEN
TO OVERCAST SKIES WITH MVFR/VFR CEILINGS FOR MOST OF THE NEXT 24
HOURS. CURRENTLY HAVE SOME LOW STRATUS AND MIST AT KYKM AND EXPECT
VISIBILITIES TO IMPROVE THERE IN THE NEXT FEW HOURS. A FRONT WILL
MOVE THROUGH THE AREA LATE THIS AFTERNOON AND EVENING WITH 4-6 HOURS
OF RAIN BEGINNING AROUND 22Z IN THE CASCADES AND EXITING TO THE EAST
AROUND 10Z. SNOW LEVELS WILL BE HIGH INITIALLY SO MOST OF THE
PRECIPITATION THROUGH 06Z WILL BE RAIN AND AFTER 06Z A RAIN/SNOW MIX
WILL BE POSSIBLE AT KRDM, KBDN AND KYKM. MVFR CEILINGS AND
VISIBILITIES WILL BE POSSIBLE WITH HEAVIER SHOWERS. AFTER 10Z
SHOWERY CONDITIONS WILL CONTINUE ACROSS THE AREA WITH MAINLY LIGHT
AMOUNTS OF PRECIPITATION. SURFACE WINDS WILL BE UNDER 15 KTS TODAY
THEN INCREASE WITH THE FRONTAL PASSAGE TO 10 TO 15 KTS WITH GUSTS TO
25 KTS. KPDT, KALW AND KPSC WILL REMAIN AT THESE LEVELS THROUGH 18Z
TOMORROW MORNING WHILE OTHER TAF LOCATIONS WILL DROP BELOW 15 KTS BY
12Z. PERRY
&&
.PRELIMINARY POINT TEMPS/POPS...
PDT 33 49 32 46 / 80 30 40 20
ALW 36 50 35 47 / 80 30 60 30
PSC 33 53 34 52 / 80 20 30 20
YKM 27 48 26 47 / 80 20 30 20
HRI 32 53 31 51 / 80 20 30 20
ELN 28 44 28 44 / 90 40 30 20
RDM 27 44 22 43 / 80 30 40 30
LGD 33 43 29 42 / 70 40 50 40
GCD 32 44 27 43 / 80 30 40 40
DLS 36 50 33 48 / 80 40 50 40
&&
.PDT WATCHES/WARNINGS/ADVISORIES...
OR...WIND ADVISORY UNTIL 5 AM PST SATURDAY FOR LADD AND PYLES CANYONS
IN THE ORZ049.
WA...WINTER STORM WARNING UNTIL 10 AM PST SUNDAY ABOVE 1500 FEET FOR
THE WAZ520.
&&
THREAT INDEX
SATURDAY : YELLOW
SUNDAY : GREEN
MONDAY : GREEN
GREEN: NONE OR LIMITED NEED FOR WATCHES, WARNINGS, OR ADVISORIES.
YELLOW: A FEW WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.
RED: NUMEROUS WATCHES, WARNINGS, OR ADVISORIES POSSIBLE OR IN EFFECT.
FOR ADDITIONAL WEATHER INFORMATION, CHECK OUR WEB SITE AT...
WWW.WEATHER.GOV/PENDLETON
90/83/83Hazardous weather outlook, Feb 17, 5:40 AM PST, 9 hours 19 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE PENDLETON OR
540 AM PST FRI FEB 17 2012
ORZ041-042-044-049-050-502-503-505>509-WAZ024-026>030-520-521-
181315-
EASTERN COLUMBIA RIVER GORGE OF OREGON-NORTH CENTRAL OREGON-
LOWER COLUMBIA BASIN OF OREGON-GRANDE RONDE VALLEY-WALLOWA COUNTY-
NORTHERN BLUE MOUNTAINS OF OREGON-
SOUTHERN BLUE MOUNTAINS OF OREGON-JOHN DAY BASIN-OCHOCO-
JOHN DAY HIGHLANDS-
FOOTHILLS OF THE NORTHERN BLUE MOUNTAINS OF OREGON-
FOOTHILLS OF THE SOUTHERN BLUE MOUNTAINS OF OREGON-
EAST SLOPES OF THE OREGON CASCADES-
EASTERN COLUMBIA RIVER GORGE OF WASHINGTON-KITTITAS VALLEY-
YAKIMA VALLEY-LOWER COLUMBIA BASIN OF WASHINGTON-
FOOTHILLS OF THE BLUE MOUNTAINS OF WASHINGTON-
NORTHWEST BLUE MOUNTAINS OF WASHINGTON-
EAST SLOPES OF THE WASHINGTON CASCADES-SIMCOE HIGHLANDS-
540 AM PST FRI FEB 17 2012
THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND NORTHEAST OREGON
AS WELL AS SOUTH CENTRAL AND SOUTHEAST WASHINGTON.
.DAY ONE...TODAY AND TONIGHT
SNOW
EAST SLOPES OF THE WASHINGTON CASCADES
STRONG WIND
LADD AND PYLES CANYONS
A STRONG AND WET PACIFIC WEATHER SYSTEM WILL MOVE INTO THE REGION
BRINGING RAIN AND MOUNTAIN SNOW TO THE WASHINGTON CASCADE EAST
SLOPES LATE TODAY AND TONIGHT. SNOW LEVELS WILL BE NEAR 2000 FEET
TODAY AND WILL LOWER TO AROUND 1500 BY SATURDAY MORNING. 4 TO 7
INCHES OF SNOW CAN BE EXPECTED ABOVE 1500 FEET IN THE SOUTHERN AND
CENTRAL WASHINGTON CASCADES. A WINTER WEATHER ADVISORY WILL BE IN
EFFECT FROM 1 PM TODAY THROUGH 10 AM SATURDAY MORNING. PLEASE REFER
TO NWS HAZARD PRODUCT ID PDXWSWPDT FOR MORE DETAILS.
IN ADDITION...STRONG WINDS WILL DEVELOP IN LADD AND PYLES CANYONS
TODAY AND WILL CONTINUE THROUGH 4 AM SATURDAY MORNING. A WIND
ADVISORY WILL ALSO BE IN EFFECT FOR LADD AND PYLES CANYONS FOR THIS
TIME PERIOD. PLEASE REFER TO NWS HAZARD PRODUCT ID PDXNPWPDT FOR
MORE DETAILS.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
SNOW SATURDAY
EAST SLOPES OF THE WASHINGTON CASCADES
NUMEROUS SNOW SHOWERS WILL CONTINUE OVER THE UPPER EAST SLOPES OF
THE WASHINGTON CASCADES AS WELL AS THE NORTHEAST MOUNTAINS OF OREGON
AND EXTREME SOUTHEAST WASHINGTON THROUGH LATE MORNING SATURDAY.
AFTER THAT THE SNOW WILL DECREASE TO FLURRIES OR LIGHT RAIN SHOWERS.
THE WINTER WEATHER ADVISORY WILL END AT 10 AM SATURDAY MORNING.
THE WEATHER PATTERN WILL THEN REMAIN UNSETTLED WITH FREQUENT WEATHER
SYSTEMS MOVING ACROSS THE REGION THROUGH NEXT THURSDAY...ESPECIALLY
OVER THE CASCADE EAST SLOPES AND THE NORTHEAST MOUNTAINS.
TEMPERATURES WILL BE NEAR TO SLIGHTLY ABOVE NORMAL THROUGH THE
PERIOD...THOUGH THERE IS A HINT OF COLDER AIR MOVING INTO THE REGION
BY THE LATTER HALF OF NEXT WEEK.
.SPOTTER INFORMATION STATEMENT...
SPOTTER ACTIVATION MAY BE REQUIRED.
WEATHER SPOTTERS ARE ENCOURAGED TO REPORT SIGNIFICANT WEATHER
CONDITIONS ACCORDING TO STANDARD OPERATING PROCEDURES.
GRAPHICAL FORECASTS OF WEATHER HAZARDS OUT TO SEVEN DAYS
ARE DISPLAYED ON THE WORLD WIDE WEB AT:
WWW.WRH.NOAA.GOV/PDT/CURRENTHAZARDS/HWO.HTML
ALL LETTERS IN THE ABOVE URL ARE LOWER CASE.Nearby
Winter Storm Warnings in Oregon, 2012Winter Storm Warnings in Washington, 2012Every winter storm warning in 2012
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.