Alert archive / Washington / Winter Storm Warnings in 2012
Winter Storm Warning 13, NWS Seattle, WA
NWS Seattle, WA issued this winter storm warning at Mar 11, 2012, 4:05 AM PDT. It took effect at Mar 12, 2012, 1:00 AM PDT. It was in force for 15 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
- Mar 11, 2012, 4:05 AM PDT (11:05 UTC)
- In effect from
- Mar 12, 2012, 1:00 AM PDT
- Expired
- Mar 12, 2012, 4:00 PM PDT
- In force
- 15 hr
- Issued by
- NWS Seattle, WA
The text
As transmitted, in the capitals the NWS used until 2016.
354 WWUS46 KSEW 111105 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 405 AM PDT SUN MAR 11 2012 WAZ518-519-112330- /O.NEW.KSEW.WS.W.0013.120311T2300Z-120313T1000Z/ /O.CON.KSEW.WW.Y.0026.000000T0000Z-120311T2300Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 405 AM PDT SUN MAR 11 2012 ...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... ...WINTER STORM WARNING IN EFFECT FROM 4 PM THIS AFTERNOON TO 3 AM PDT TUESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM WARNING FOR HEAVY SNOW...WHICH IS IN EFFECT FROM 4 PM THIS AFTERNOON TO 3 AM PDT TUESDAY. * SOME AFFECTED LOCATIONS...MOUNT BAKER...PARADISE...STEVENS PASS...SNOQUALMIE PASS...WHITE PASS. * TIMING...SNOW WILL CONTINUE IN THE MOUNTAINS TODAY. AFTER A LULL THIS EVENING...SNOW WILL INCREASE LATE TONIGHT AND CONTINUE MONDAY AND MONDAY EVENING...DECREASING AGAIN LATER MONDAY NIGHT. * SNOW ACCUMULATIONS...AN ADDITIONAL 3 TO 8 INCHES OF SNOW IS LIKELY TODAY. TOTAL SNOW ACCUMULATIONS TONIGHT THROUGH MONDAY NIGHT WILL BE 1 TO 2 FEET. * MAIN IMPACT...SNOWFALL...HEAVY AT TIMES...WITH SNOW LEVELS 1500 FEET OR LOWER WILL MAKE FOR DIFFICULT WINTER DRIVING CONDITIONS. THERE COULD BE DELAYS OR CLOSURES NECESSARY FOR AVALANCHE CONTROL. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TONIGHT AND SUNDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. A WINTER WEATHER ADVISORY FOR SNOW IS ISSUED WHEN 6 TO 11 INCHES IS LIKELY TO FALL IN 12 HOURS IN THE MOUNTAINS. A WINTER STORM WARNING IS ISSUED WHEN 18 INCHES OR MORE IS LIKELY DURING A 24 HOUR PERIOD. && $$ WAZ513-112330- /O.EXT.KSEW.WW.Y.0026.000000T0000Z-120312T2200Z/ OLYMPICS- 405 AM PDT SUN MAR 11 2012 ...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 3 PM PDT MONDAY... * SOME AFFECTED LOCATIONS...HURRICANE RIDGE. * TIMING...SNOW WILL CONTINUE TODAY THROUGH MONDAY. * ACCUMULATIONS...AN ADDITIONAL 2 TO 4 INCHES OF SNOW WILL FALL TODAY. SNOW WILL INCREASE TONIGHT AND CONTINUE THROUGH MONDAY WITH TOTAL SNOW ACCUMULATION OF 10 TO 17 INCHES. * MAIN IMPACT...PERIODS OF SNOW WITH THE SNOW LEVEL 1500 FEET OR LOWER WILL MAKE FOR WINTER DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TONIGHT AND SUNDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. && $$
4 follow-up statements
697 WWUS46 KSEW 112222 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 321 PM PDT SUN MAR 11 2012 WAZ518-519-121230- /O.CAN.KSEW.WW.Y.0026.000000T0000Z-120311T2300Z/ /O.EXT.KSEW.WS.W.0013.120312T0800Z-120312T2300Z/ WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 321 PM PDT SUN MAR 11 2012 ...WINTER STORM WARNING NOW IN EFFECT FROM 1 AM TO 4 PM PDT MONDAY... ...WINTER WEATHER ADVISORY HAS ENDED... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ENDED THE WINTER WEATHER ADVISORY AND ISSUED A WINTER STORM WARNING FOR MONDAY. * SOME AFFECTED LOCATIONS...MOUNT BAKER...PARADISE...STEVENS PASS...SNOQUALMIE PASS...WHITE PASS. * TIMING...A STRONG FRONT WILL MOVE THROUGH WESTERN WASHINGTON LATE TONIGHT AND MONDAY. * SNOW ACCUMULATIONS...1 TO 2 FEET OF SNOW WILL FALL MONDAY...WITH THE GREATEST AMOUNTS AROUND MOUNT BAKER AND MOUNT RAINER. * MAIN IMPACT...SNOWFALL...HEAVY AT TIMES...WITH SNOW LEVELS WILL MAKE FOR DIFFICULT WINTER DRIVING CONDITIONS. THERE COULD BE DELAYS OR CLOSURES NECESSARY FOR AVALANCHE CONTROL. PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS MONDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS LATER TONIGHT AND MONDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. A WINTER STORM WARNING IS ISSUED WHEN 18 INCHES OR MORE IS LIKELY DURING A 24 HOUR PERIOD OR STRONG WINDS WITH SNOW ARE EXPECTED. && $$ WAZ513-121230- /O.UPG.KSEW.WW.Y.0026.000000T0000Z-120312T2200Z/ /O.EXB.KSEW.WS.W.0013.120312T0800Z-120312T2300Z/ OLYMPICS- 321 PM PDT SUN MAR 11 2012 ...WINTER STORM WARNING IN EFFECT FROM 1 AM TO 4 PM PDT MONDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER STORM WARNING FOR SNOW AND WIND WHICH IS IN EFFECT FROM 1 AM TO 4 PM PDT MONDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * SOME AFFECTED LOCATIONS...HURRICANE RIDGE. * TIMING...LATE TONIGHT AND MONDAY. * ACCUMULATIONS...15 TO 20 INCHES OF SNOW IS EXPECTED FRONT THIS STRONG FRONT WITH WINDY CONDITIONS. SNOW WILL FALL ON THE FOOTHILLS AS WELL MONDAY MORNING...WITH SEVERAL INCHES POSSIBLE AT LOW ELEVATIONS. * MAIN IMPACT...PERIODS OF SNOW AND WINDY CONDITIONS WILL MAKE FOR WINTER DRIVING CONDITIONS. PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TONIGHT AND SUNDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS LATER TONIGHT AND MONDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. A WINTER STORM WARNING IS ISSUED WHEN 18 INCHES OR MORE IS LIKELY DURING A 24 HOUR PERIOD OR STRONG WINDS WITH SNOW ARE EXPECTED. && $$
193 WWUS46 KSEW 121114 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 414 AM PDT MON MAR 12 2012 WAZ513-518-519-122300- /O.CON.KSEW.WS.W.0013.000000T0000Z-120312T2300Z/ OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 414 AM PDT MON MAR 12 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... * SOME AFFECTED LOCATIONS...HURRICANE RIDGE. * TIMING...LATE TONIGHT AND MONDAY. * ACCUMULATIONS...8 TO 18 INCHES OF SNOW IS EXPECTED TODAY AS A STRONG FRONT MOVES THROUGH WESTERN WASHINGTON. WINDY CONDITIONS WILL ALSO ACCOMPANY THE FRONT. SNOW WILL FALL ON THE LOWER ELEVATIONS OF THE MOUNTAINS THIS MORNING WITH SEVERAL INCHES POSSIBLE. * MAIN IMPACT...HEAVY SNOW AND WINDY CONDITIONS WILL MAKE FOR HAZARDOUS WINTER DRIVING CONDITIONS. PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TONIGHT AND SUNDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS LATER TONIGHT AND MONDAY SHOULD BE PREPARED FOR WINTER WEATHER AND POSSIBLY DIFFICULT DRIVING CONDITIONS. A WINTER STORM WARNING IS ISSUED WHEN 18 INCHES OR MORE IS LIKELY DURING A 24 HOUR PERIOD OR STRONG WINDS WITH SNOW ARE EXPECTED. && $$
314 WWUS46 KSEW 121119 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 419 AM PDT MON MAR 12 2012 WAZ513-518-519-122300- /O.CON.KSEW.WS.W.0013.000000T0000Z-120312T2300Z/ OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 419 AM PDT MON MAR 12 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... * SOME AFFECTED LOCATIONS...HURRICANE RIDGE...MOUNT BAKER... STEVENS PASS...SNOQUALMIE PASS...PARADISE...WHITE PASS. * TIMING...HEAVY SNOW TODAY WILL DECREASE AND TURN SHOWERY TONIGHT. * ACCUMULATIONS...8 TO 18 INCHES OF SNOW IS EXPECTED TODAY AS A STRONG FRONT MOVES THROUGH WESTERN WASHINGTON TODAY. WINDY CONDITIONS WILL ALSO ACCOMPANY THE FRONT. SNOW WILL FALL ON THE LOWER ELEVATIONS OF THE MOUNTAINS THIS MORNING WITH SEVERAL INCHES POSSIBLE. * MAIN IMPACT...HEAVY SNOW AND WINDY CONDITIONS WILL MAKE FOR HAZARDOUS WINTER DRIVING CONDITIONS. PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TODAY SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...DELAYS...AND POSSIBLE ROAD CLOSURES FOR AVALANCHE CONTROL. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TODAY SHOULD BE PREPARED FOR WINTER WEATHER...DIFFICULT DRIVING CONDITIONS...AND DELAYS. A WINTER STORM WARNING IS ISSUED WHEN 18 INCHES OR MORE IS LIKELY DURING A 24 HOUR PERIOD OR STRONG WINDS WITH SNOW ARE EXPECTED. && $$
496 WWUS46 KSEW 122055 WSWSEW URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE SEATTLE WA 155 PM PDT MON MAR 12 2012 WAZ513-518-519-130600- /O.NEW.KSEW.WW.Y.0027.120312T2300Z-120313T1200Z/ /O.CON.KSEW.WS.W.0013.000000T0000Z-120312T2300Z/ OLYMPICS-WEST SLOPES NORTHERN CASCADES AND PASSES- WEST SLOPES CENTRAL CASCADES AND PASSES- 155 PM PDT MON MAR 12 2012 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 4 PM PDT THIS AFTERNOON... ...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM PDT TUESDAY... THE NATIONAL WEATHER SERVICE IN SEATTLE HAS ISSUED A WINTER WEATHER ADVISORY FOR THE OLYMPICS...AND NORTH AND CENTRAL CASCADES OF WESTERN WASHINGTON...WHICH IS IN EFFECT UNTIL 5 AM PDT TUESDAY. * SOME AFFECTED LOCATIONS...HURRICANE RIDGE...MOUNT BAKER... STEVENS PASS...SNOQUALMIE PASS...PARADISE...WHITE PASS. * TIMING...SNOW WILL BE HEAVY AT TIMES THROUGH THE EVENING...THEN SLOWLY TAPER OFF BY EARLY TUESDAY MORNING. * ACCUMULATIONS...A TOTAL OF 8 TO 18 INCHES OF SNOW IS EXPECTED TO ACCUMULATE BY LATE THIS AFTERNOON. ANOTHER 5 TO 10 INCHES IS EXPECTED TO FALL OVERNIGHT. HEAVIEST AMOUNTS WILL BE OVER THE VOLCANOES. * MAIN IMPACT...HEAVY SNOW AND WINDY CONDITIONS WILL MAKE FOR HAZARDOUS WINTER DRIVING CONDITIONS. PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TODAY SHOULD BE PREPARED FOR HAZARDOUS DRIVING CONDITIONS...DELAYS...AND POSSIBLE ROAD CLOSURES FOR AVALANCHE CONTROL. PRECAUTIONARY/PREPAREDNESS ACTIONS... PEOPLE PLANNING TO TRAVEL IN THE MOUNTAINS TODAY SHOULD BE PREPARED FOR WINTER WEATHER...DIFFICULT DRIVING CONDITIONS...AND DELAYS. && $$ WEATHER.GOV/SEATTLE MERCER
The office that day
Everything else NWS Seattle, WA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 10, 6:07 PM PST | Small Craft Advisory | SEW | 3 hr | |
| Mar 10, 8:45 PM PST | Small Craft Advisory for Winds | SEW | 12 hr | |
| Mar 11, 4:42 AM PDT | Gale Watch | SEW | 10 hr | |
| Mar 11, 4:42 AM PDT | Gale Warning | SEW | 34 hr | |
| Mar 11, 4:42 AM PDT | Small Craft Advisory for Hazardous Seas | SEW | 5 hr | |
| Mar 11, 11:22 AM PDT | Coastal Flood Watch | SEW | 26 hr | |
| Mar 11, 11:22 AM PDT | High Surf Advisory | SEW | 18 hr | |
| Mar 11, 2:39 PM PDT | Storm Warning | SEW | 21 hr | |
| Mar 11, 2:54 PM PDT | High Wind Warning | SEW | San Juan | 22 hr |
| Mar 11, 2:54 PM PDT | Wind Advisory | SEW | 22 hr |
Nearby
Winter 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.