Alert archive / Washington / Winter Storm Warnings in 2011
Winter Storm Warning 2, NWS Seattle, WA
NWS Seattle, WA issued this winter storm warning at Feb 12, 2011, 4:00 AM PST. It took effect at Feb 12, 2011, 9:00 AM PST. It was in force for 18 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
- Feb 12, 2011, 4:00 AM PST (12:00 UTC)
- In effect from
- Feb 12, 2011, 9:00 AM PST
- Expired
- Feb 13, 2011, 2:55 AM PST
- In force
- 18 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted, in the capitals the NWS used until 2016.
561 WWUS46 KSEW 121200 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 400 AM PST SAT FEB 12 2011 WAZ518-519-130000- /O.UPG.KSEW.WS.A.0002.110213T0200Z-110213T1400Z/ /O.NEW.KSEW.WS.W.0002.110212T1700Z-110213T1400Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 400 AM PST SAT FEB 12 2011 ...WINTER STORM WARNING IN EFFECT FROM 9 AM THIS MORNING TO 6 AM PST SUNDAY FOR THE CASCADES ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM WARNING FOR THE CASCADES ABOVE 3000 FEET FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 9 AM THIS MORNING TO 6 AM PST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * ACCUMULATIONS...LOCAL ACCUMULATION OF 12 TO 18 INCHES OF NEW SNOW IS POSSIBLE. THE HEAVIEST AMOUNTS ARE EXPECTED IN THE NORTH CASCADES...ESPECIALLY AT MOUNT BAKER...AND AT MOUNT RAINIER. SNOWFALL AT BOTH STEVENS AND SNOQUALMIE PASS WILL BE MUCH LESS...WITH 2 TO 6 INCHES FALLING MAINLY TONIGHT. * TIMING...HEAVY SNOW WILL DEVELOP IN THE NORTH CASCADES THIS MORNING AND SPREAD SOUTH THROUGH THE DAY....THEN CONTINUE THROUGH LATE TONIGHT. * SNOW LEVELS...THE SNOW LEVEL WILL BE NEAR 4000 FEET TODAY THEN FALL TO AROUND 3000 FEET BEHIND THE COLD FRONT TONIGHT. * MAIN IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNINGS 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. && $$ WAZ513-130000- /O.UPG.KSEW.WS.A.0002.110213T0200Z-110213T1400Z/ /O.NEW.KSEW.WW.Y.0012.110212T1400Z-110213T1400Z/ OLYMPICS- 400 AM PST SAT FEB 12 2011 ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 6 AM PST SUNDAY FOR THE OLYMPIC MOUNTAINS ABOVE 3000 FEET... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER WEATHER ADVISORY FOR THE OLYMPIC MOUNTAINS ABOVE 3000 FEET FOR SNOW...WHICH IS IN EFFECT UNTIL 6 AM PST SUNDAY. THE WINTER STORM WATCH IS NO LONGER IN EFFECT. * ACCUMULATIONS...LOCALLY 6 TO 14 INCHES OF NEW SNOW IS LIKELY THROUGH TONIGHT WITH AROUND 6 INCHES EXPECTED AT HURRICANE RIDGE. * TIMING...SNOW WILL DEVELOP THIS MORNING AND CONTINUE THROUGH TONIGHT. * SNOW LEVELS...SNOW LEVEL WILL BE AROUND 4000 FEET TODAY THEN FALL TO 3000 TONIGHT. * MAIN IMPACTS...WINTER DRIVING CONDITIONS ARE POSSIBLE IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ MCDONNAL WWW.WEATHER.GOV/SEATTLE
2 follow-up statements
971 WWUS46 KSEW 122351 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 351 PM PST SAT FEB 12 2011 WAZ518-519-131400- /O.CON.KSEW.WS.W.0002.000000T0000Z-110213T1400Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 351 PM PST SAT FEB 12 2011 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM PST SUNDAY FOR THE NORTH AND CENTRAL CASCADES ABOVE 3000 FEET... A WINTER STORM WARNING FOR THE NORTH AND CENTRAL CASCADES ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 6 AM PST SUNDAY. * ACCUMULATIONS...LOCAL ACCUMULATION OF 12 TO 18 INCHES OF NEW SNOW IS POSSIBLE. THE HEAVIEST AMOUNTS ARE EXPECTED IN THE NORTH CASCADES...ESPECIALLY AT MOUNT BAKER...AND AT MOUNT RAINIER. SNOWFALL AT BOTH STEVENS AND SNOQUALMIE PASS WILL BE MUCH LESS...WITH 2 TO 6 INCHES FALLING MAINLY TONIGHT. * TIMING...HEAVY SNOW WILL CONTINUE THROUGH LATE TONIGHT. * SNOW LEVELS...THE SNOW LEVEL WILL FALL TO AROUND 3000 FEET BEHIND THE COLD FRONT TONIGHT. * WINDS...EXPECT STRONG WEST WINDS ACROSS THE EXPOSED RIDGES WITH SUSTAINED SPEEDS OF 60 MPH WITH GUSTS AS HIGH AS 100 MPH. * MAIN IMPACTS...WINTER DRIVING CONDITIONS ARE EXPECTED. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER STORM WARNINGS 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. && $$ WAZ513-131400- /O.CON.KSEW.WW.Y.0012.000000T0000Z-110213T1400Z/ OLYMPICS- 351 PM PST SAT FEB 12 2011 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM PST SUNDAY FOR THE OLYMPICS ABOVE 3000 FEET... A WINTER WEATHER ADVISORY FOR THE OLYMPICS ABOVE 3000 FEET REMAINS IN EFFECT UNTIL 6 AM PST SUNDAY. * ACCUMULATIONS...LOCALLY 6 TO 14 INCHES OF NEW SNOW IS LIKELY THROUGH TONIGHT WITH AROUND 6 INCHES EXPECTED AT HURRICANE RIDGE. * TIMING...SNOW WILL CONTINUE THROUGH TONIGHT. * SNOW LEVELS...SNOW LEVEL WILL FALL TO 3000 TONIGHT. * WINDS...EXPECT STRONG WEST WINDS ACROSS THE EXPOSED RIDGES WITH SUSTAINED SPEEDS OF 40 MPH WITH GUSTS AS HIGH AS 70 MPH. * MAIN IMPACTS...WINTER DRIVING CONDITIONS ARE POSSIBLE IN THE MOUNTAINS. PRECAUTIONARY/PREPAREDNESS ACTIONS... A WINTER WEATHER ADVISORY MEANS THAT PERIODS OF SNOW...SLEET...OR FREEZING RAIN WILL CAUSE TRAVEL DIFFICULTIES. BE PREPARED FOR SLIPPERY ROADS AND LIMITED VISIBILITIES...AND USE CAUTION WHILE DRIVING. && $$ 33 WWW.WEATHER.GOV/SEATTLE
068 WWUS46 KSEW 131055 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 255 AM PST SUN FEB 13 2011 WAZ518-519-131200- /O.CAN.KSEW.WS.W.0002.000000T0000Z-110213T1400Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 255 AM PST SUN FEB 13 2011 ...WINTER STORM WARNING ENDED FOR THE NORTH AND CENTRAL WASHINGTON CASCADES... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ENDED THE WINTER STORM WARNING FOR THE NORTH AND CENTRAL WASHINGTON CASCADES. NEW SNOW TOTALS FOR THE 24 HOURS ENDING AT 3 AM WERE MOSTLY IN THE 6 TO 16 INCH RANGE. $$ WAZ513-131200- /O.CAN.KSEW.WW.Y.0012.000000T0000Z-110213T1400Z/ OLYMPICS- 255 AM PST SUN FEB 13 2011 ...WINTER WEATHER ADVISORY HAS ENDED FOR THE OLYMPICS... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ENDED THE WINTER WEATHER ADVISORY FOR THE OLYMPICS. $$ WWW.WEATHER.GOV/SEATTLE
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 11, 9:00 PM PST | Gale Warning | SEW | 24 hr | |
| Feb 11, 9:00 PM PST | Small Craft Advisory for Rough Bar | SEW | 43 hr | |
| Feb 11, 9:00 PM PST | Small Craft Advisory | SEW | 17 hr | |
| Feb 12, 4:00 AM PST | Winter Weather Advisory | SEW | 23 hr | |
| Feb 12, 4:05 AM PST | Wind Advisory | SEW | San Juan | 17 hr |
| Feb 12, 2:12 PM PST | Storm Warning | SEW | 7 hr | |
| Feb 12, 2:17 PM PST | High Wind Warning | SEW | 4 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.