Alert archive / Washington / Winter Storm Warnings in 2011
Winter Storm Warning 13, NWS Seattle, WA
NWS Seattle, WA issued this winter storm warning at Nov 23, 2011, 12:37 PM PST. It took effect at Nov 24, 2011, 10:00 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 23, 2011, 12:37 PM PST (20:37 UTC)
- In effect from
- Nov 24, 2011, 10:00 AM PST
- Expired
- Nov 25, 2011, 10:00 AM PST
- In force
- 24 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted, in the capitals the NWS used until 2016.
543 WWUS46 KSEW 232037 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 1237 PM PST WED NOV 23 2011 ...ANOTHER STRONG STORM WILL BRING HEAVY SNOW TO THE NORTH AND CENTRAL CASCADES OF WESTERN WASHINGTON ON THANKSGIVING DAY THROUGH FRIDAY MORNING... WAZ518-519-240400- /O.UPG.KSEW.WS.A.0013.111124T1800Z-111125T1400Z/ /O.NEW.KSEW.WS.W.0013.111124T1800Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 1237 PM PST WED NOV 23 2011 ...WINTER STORM WARNING IN EFFECT FROM 10 AM THURSDAY TO 10 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM WARNING FOR THE NORTH AND CENTRAL CASCADES OF WESTERN WASHINGTON...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 10 AM PST FRIDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...8 TO 14 INCHES BY FRIDAY MORNING. * SNOW LEVEL...BETWEEN 2000 AND 3000 FEET. * TIMING...SNOW WILL DEVELOP ON THANKSGIVING MORNING AND INCREASE IN THE AFTERNOON AND EVENING. THE HEAVIEST SNOW WILL FALL ALONG AND BEHIND THE FRONT THANKSGIVING NIGHT. * IMPACTS...WINTER DRIVING CONDITIONS ARE LIKELY. ROAD DELAYS OR CLOSURES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. && $$ WAZ513-240400- /O.NEW.KSEW.WW.Y.0038.111124T1800Z-111125T1200Z/ OLYMPICS- 1237 PM PST WED NOV 23 2011 ...WINTER WEATHER ADVISORY IN EFFECT FROM 10 AM THURSDAY TO 4 AM PST FRIDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER WEATHER ADVISORY FOR THE OLYMPICS...WHICH IS IN EFFECT FROM 10 AM THURSDAY TO 4 AM PST FRIDAY. * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...4 TO 8 INCHES. * SNOW LEVEL...2000 TO 3000 FEET. * TIMING...SNOW WILL DEVELOP ON THANKSGIVING MORNING AND INCREASE IN THE AFTERNOON AND EVENING. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MERCER WEATHER.GOV/SEATTLE
6 follow-up statements
563 WWUS46 KSEW 240536 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 936 PM PST WED NOV 23 2011 ...ANOTHER STRONG STORM WILL BRING HEAVY SNOW TO THE NORTH AND CENTRAL CASCADES OF WESTERN WASHINGTON ON THANKSGIVING DAY THROUGH FRIDAY MORNING... WAZ518-519-241345- /O.CON.KSEW.WS.W.0013.111124T1800Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 936 PM PST WED NOV 23 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THURSDAY TO 10 AM PST FRIDAY... * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...8 TO 14 INCHES BY FRIDAY MORNING. * SNOW LEVEL...BETWEEN 2000 AND 3000 FEET. * TIMING...SNOW WILL DEVELOP ON THANKSGIVING MORNING AND INCREASE IN THE AFTERNOON AND EVENING. THE HEAVIEST SNOW WILL FALL ALONG AND BEHIND THE FRONT THANKSGIVING NIGHT. * IMPACTS...WINTER DRIVING CONDITIONS ARE LIKELY. ROAD DELAYS OR CLOSURES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. && $$ WAZ513-241345- /O.CON.KSEW.WW.Y.0038.111124T1800Z-111125T1200Z/ OLYMPICS- 936 PM PST WED NOV 23 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THURSDAY TO 4 AM PST FRIDAY... * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...4 TO 8 INCHES. * SNOW LEVEL...2000 TO 3000 FEET. * TIMING...SNOW WILL DEVELOP ON THANKSGIVING MORNING AND INCREASE IN THE AFTERNOON AND EVENING. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
975 WWUS46 KSEW 241158 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 358 AM PST THU NOV 24 2011 .A STRONG COLD FRONT MOVE ACROSS WESTERN WASHINGTON TODAY...BRINGING HEAVY SNOW TO THE NORTH AND CENTRAL CASCADES OF WESTERN WASHINGTON THROUGH FRIDAY MORNING...AND LESSER SNOW AMOUNTS TO THE OLYMPICS THROUGH TONIGHT. WAZ518-519-242000- /O.CON.KSEW.WS.W.0013.111124T1800Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 358 AM PST THU NOV 24 2011 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 10 AM PST FRIDAY... * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...10 TO 18 INCHES BY FRIDAY MORNING. * SNOW LEVEL...BETWEEN 2000 AND 3000 FEET THROUGH TONIGHT...LOWERING TO NEAR 2000 FEET FRIDAY MORNING. * TIMING...SNOW WILL DEVELOP LATE THIS MORNING AND INCREASE THIS AFTERNOON AND EVENING. THE HEAVIEST SNOW WILL FALL ALONG AND BEHIND THE FRONT TONIGHT. * IMPACTS...WINTER DRIVING CONDITIONS ARE LIKELY. ROAD DELAYS OR CLOSURES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. && $$ WAZ513-242000- /O.CON.KSEW.WW.Y.0038.111124T1800Z-111125T1200Z/ OLYMPICS- 358 AM PST THU NOV 24 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 AM THIS MORNING TO 4 AM PST FRIDAY... * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...UP TO 11 INCHES. * SNOW LEVEL...2000 TO 3000 FEET. * TIMING...SNOW WILL DEVELOP THIS MORNING AND INCREASE THIS AFTERNOON AND EVENING. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
659 WWUS46 KSEW 241753 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 953 AM PST THU NOV 24 2011 WAZ518-519-250000- /O.CON.KSEW.WS.W.0013.111124T1800Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 953 AM PST THU NOV 24 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY... * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...10 TO 18 INCHES BY FRIDAY MORNING. * SNOW LEVEL...BETWEEN 2000 AND 3000 FEET THROUGH TONIGHT... LOWERING TO NEAR 2000 FEET FRIDAY MORNING. * TIMING...SNOW WILL INCREASE THIS AFTERNOON...BECOMING HEAVY AT TIMES THIS EVENING THROUGH FRIDAY MORNING. * IMPACTS...WINTER DRIVING CONDITIONS ARE LIKELY. ROAD DELAYS OR CLOSURES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. FOR THE LATEST ROAD CONDITIONS CALL 511 OR CHECK WWW.WSDOT.WA.GOV. && $$ WAZ513-250000- /O.CON.KSEW.WW.Y.0038.111124T1800Z-111125T1200Z/ OLYMPICS- 953 AM PST THU NOV 24 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...UP TO 11 INCHES. * SNOW LEVEL...2000 TO 3000 FEET. * TIMING...SNOW WILL DEVELOP THIS MORNING AND INCREASE THIS AFTERNOON AND EVENING. * IMPACTS...EXPECT WINTER DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
715 WWUS46 KSEW 242348 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 348 PM PST THU NOV 24 2011 WAZ518-519-250800- /O.CON.KSEW.WS.W.0013.000000T0000Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 348 PM PST THU NOV 24 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY... * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...10 TO 18 INCHES BY FRIDAY MORNING. * SNOW LEVEL...NEAR 2000 FEET. * TIMING...SNOW WILL BE HEAVY AT TIMES TONIGHT THROUGH FRIDAY MORNING. * WIND...WEST WINDS IN THE PASSES 15 TO 25 MPH. * IMPACTS...WINTER DRIVING CONDITIONS ARE LIKELY. ROAD DELAYS OR CLOSURES ARE POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. FOR THE LATEST ROAD CONDITIONS CALL 511 OR CHECK WWW.WSDOT.WA.GOV. && $$ WAZ513-250800- /O.CON.KSEW.WW.Y.0038.000000T0000Z-111125T1200Z/ OLYMPICS- 348 PM PST THU NOV 24 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...UP TO 11 INCHES. * SNOW LEVEL...2000 TO 3000 FEET. * TIMING...SNOW WILL BE HEAVY AT TIMES TONIGHT...THEN DIMINISH EARLY FRIDAY MORNING. * IMPACTS...THOSE PLANNING TRAVEL IN THE ADVISORY AREA SHOULD BE PREPARED FOR WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ 33
757 WWUS46 KSEW 250522 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 922 PM PST THU NOV 24 2011 WAZ518-519-251315- /O.CON.KSEW.WS.W.0013.000000T0000Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 922 PM PST THU NOV 24 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST FRIDAY... * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...4 TO 8 INCHES OF NEW SNOW HAS FALLEN SINCE MIDDAY...WITH ANOTHER 4 TO 10 INCHES EXPECTED LATER TONIGHT AND FRIDAY MORNING. * SNOW LEVEL...NEAR 2500 FEET. * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH FRIDAY MORNING. * WIND...WEST WINDS IN THE PASSES 15 TO 25 MPH. * IMPACTS...HAZARDOUS WINTER DRIVING CONDITIONS...WITH DELAYS OR ROAD CLOSURES POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. FOR THE LATEST ROAD CONDITIONS CALL 511 OR CHECK WWW.WSDOT.WA.GOV. && $$ WAZ513-251200- /O.CON.KSEW.WW.Y.0038.000000T0000Z-111125T1200Z/ OLYMPICS- 922 PM PST THU NOV 24 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 AM PST FRIDAY... * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...6 INCHES OF NEW SNOW HAS FALLEN IN THE HURRICANE RIDGE AREA SINCE THIS MORNING...WITH ANOTHER 2 TO 5 INCHES EXPECTED THE REST OF TONIGHT. * SNOW LEVEL...2500 FEET. * TIMING...SNOW WILL BE HEAVY AT TIMES TONIGHT...THEN DIMINISH EARLY FRIDAY MORNING. * IMPACTS...THOSE PLANNING TRAVEL IN THE ADVISORY AREA SHOULD BE PREPARED FOR WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MCDONNAL
970 WWUS46 KSEW 251152 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 352 AM PST FRI NOV 25 2011 WAZ518-519-251800- /O.CON.KSEW.WS.W.0013.000000T0000Z-111125T1800Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 352 AM PST FRI NOV 25 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 AM PST THIS MORNING... * AFFECTED LOCATIONS...NORTH AND CENTRAL CASCADES. * ACCUMULATIONS...6 TO 11 INCHES OF NEW SNOW HAS FALLEN SINCE MIDDAY THURSDAY. SCATTERED SNOW SHOWERS WILL BRING SPOTTY ACCUMULATIONS OF UP TO 2 MORE INCHES THROUGH 10 AM THIS MORNING. * SNOW LEVEL...NEAR 1500 FEET THIS MORNING. * TIMING...SCATTERED SNOW SHOWERS WILL CONTINUE THIS MORNING THEN TAPER OFF THIS AFTERNOON. * IMPACTS...HAZARDOUS WINTER DRIVING CONDITIONS...WITH DELAYS OR ROAD CLOSURES POSSIBLE. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNING MEANS SEVERE WINTER WEATHER IS OCCURRING OR IMMINENT. THOSE PLANNING TRAVEL IN THE WARNED AREA SHOULD BE PREPARED FOR HAZARDOUS WINTER DRIVING CONDITIONS AND PLAN ACCORDINGLY. FOR THE LATEST ROAD CONDITIONS CALL 511 OR CHECK WWW.WSDOT.WA.GOV. && $$ WAZ513-251800- /O.EXT.KSEW.WW.Y.0038.000000T0000Z-111125T1800Z/ OLYMPICS- 352 AM PST FRI NOV 25 2011 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 10 AM PST THIS MORNING... * AFFECTED LOCATIONS...THE OLYMPIC MOUNTAINS. * ACCUMULATIONS...10 INCHES OF NEW SNOW HAS FALLEN IN THE HURRICANE RIDGE AREA SINCE THURSDAY MORNING. SCATTERED SHOWERS WILL BRING SPOTTY ADDITIONAL ACCUMULATIONS OF UP TO AN INCH THROUGH THIS MORNING. * SNOW LEVEL...1500 FEET. * TIMING...SCATTERED SNOW SHOWERS WILL CONTINUE THIS MORNING THEN TAPER OFF THIS AFTERNOON. * IMPACTS...THOSE PLANNING TRAVEL IN THE ADVISORY AREA SHOULD BE PREPARED FOR WINTER CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 22, 4:50 PM PST | High Wind Warning | SEW | 11 hr | |
| Nov 22, 8:59 PM PST | Small Craft Advisory | SEW | 24 hr | |
| Nov 23, 2:24 AM PST | Small Craft Advisory for Hazardous Seas | SEW | 24 hr | |
| Nov 23, 2:35 AM PST | Areal Flood Advisory | SEW | Grays Harbor, King, Kitsap, Lewis, Mason, Pierce and 2 more | 12 hr |
| Nov 23, 3:18 AM PST | Winter Storm Watch | SEW | 9 hr | |
| Nov 23, 6:08 AM PST | River Flood Warning | SEW | Snohomish | 15 hr |
| Nov 23, 8:44 AM PST | Storm Warning | SEW | 36 hr | |
| Nov 23, 9:38 AM PST | River Flood Warning | SEW | Thurston | 6 hr |
| Nov 23, 9:44 AM PST | River Flood Warning | SEW | Whatcom | 6 hr |
| Nov 23, 9:44 AM PST | River Flood Warning | SEW | Snohomish | 6 hr |
| Nov 23, 9:44 AM PST | River Flood Warning | SEW | Grays Harbor | 36 hr |
| Nov 23, 12:37 PM PST | Winter Weather Advisory | SEW | 45 hr | |
| Nov 23, 12:51 PM PST | Wind Advisory | SEW | San Juan | 20 hr |
| Nov 23, 2:43 PM PST | Gale Warning | SEW | 30 hr | |
| Nov 23, 2:43 PM PST | Small Craft Advisory | SEW | 12 hr |
Nearby
Winter Storm Warnings in Washington, 2011Every winter storm warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.