Alert archive / Alaska / Winter Storm Warnings in 2011
Winter Storm Warning 5, NWS Anchorage, AK
NWS Anchorage, AK issued this winter storm warning at Dec 20, 2011, 5:48 PM AKST. It was in force for 13 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
- Dec 20, 2011, 5:48 PM AKST (02:48 UTC)
- Expired
- Dec 21, 2011, 6:55 AM AKST
- In force
- 13 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
406 WWAK41 PAFC 210248 WSWAER URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 548 PM AKST TUE DEC 20 2011 AKZ145-211600- /X.UPG.PAFC.WW.Y.0038.000000T0000Z-111221T1800Z/ /X.NEW.PAFC.WS.W.0005.111221T0248Z-111221T1800Z/ SUSITNA VALLEY- INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL 548 PM AKST TUE DEC 20 2011 ...WINTER STORM WARNING FOR SNOW IN EFFECT UNTIL 9 AM AKST WEDNESDAY FOR THE WESTERN AND NORTHERN VALLEY... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS ISSUED A WINTER STORM WARNING FOR SNOW...WHICH IS IN EFFECT UNTIL 9 AM AKST WEDNESDAY. THE WINTER WEATHER ADVISORY IS NO LONGER IN EFFECT. * LOCATION...WESTERN AND NORTHERN VALLEY. * SNOW...TOTAL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED. * TIMING...SNOW WILL CONTINUE THROUGH WEDNESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED THROUGH THE EVENING. SNOW WILL THEN END IN THE WESTERN VALLEY AFTER MIDNIGHT WHILE LIGHTER SNOW WILL PERSIST OVER THE NORTHERN VALLEY THROUGH WEDNESDAY MORNING. * IMPACTS...TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE LIMITED IN HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE SEVERELY LIMITED IN HEAVY SNOWFALL. && $$ AKZ125-210900- /X.CON.PAFC.BZ.W.0049.000000T0000Z-111221T0900Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 548 PM AKST TUE DEC 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT AKST TONIGHT FOR PORTAGE VALLEY AND TURNAGAIN ARM... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL MIDNIGHT AKST TONIGHT. * LOCATION...THROUGH PORTAGE VALLEY AND TURNAGAIN ARM. * SNOW...TOTAL SNOW ACCUMULATIONS OF 4 TO 8 INCHES THROUGH MIDNIGHT TONIGHT ARE EXPECTED. * VISIBILITY...LESS THAN A QUARTER MILE AT TIME DUE TO BLOWING SNOW. * WIND...SOUTHEAST 45 TO 60 MPH. * TIMING...THE SNOW WILL CONTINUE THROUGH THE EVENING BEFORE BECOMING SCATTERED SNOW SHOWERS AFTER MIDNIGHT. THE WINDS REACH ITS MAXIMUM SPEED EARLY THIS EVENING. THIS WILL BE WHEN VISIBILITIES WILL BE THE POOREST. WINDS WILL DIMINISH THROUGH LATE EVENING WITH VISIBILITIES IMPROVING BY MIDNIGHT. * IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW WILL PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY BECOME VERY DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED. && $$ AKZ131-211300- /X.CON.PAFC.BZ.W.0049.111221T0300Z-111221T1300Z/ NORTHEAST PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS 548 PM AKST TUE DEC 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 AM AKST WEDNESDAY FOR THOMPSON PASS... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 AM AKST WEDNESDAY. * LOCATION...THROUGH THOMPSON PASS. * VISIBILITY...WILL BE LESS THAN ONE QUARTER MILE AT TIMES DUE TO BLOWING SNOW. * WIND...SOUTHEAST WIND 25 TO 40 MPH. * TIMING...SNOW WILL BECOME HEAVY AT TIMES TONIGHT. WINDS WILL INCREASE EARLY THIS EVENING AND LIKELY PEAK BY LATE EVENING THEN DECREASE TOWARD MORNING. POOREST VISIBILITIES WILL OCCUR WITH THE STRONGEST WINDS. * IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW WILL PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY BECOME VERY DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED. && $$
4 follow-up statements
247 WWAK41 PAFC 210447 WSWAER URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 747 PM AKST TUE DEC 20 2011 AKZ125-210600- /X.CAN.PAFC.BZ.W.0049.000000T0000Z-111221T0900Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 747 PM AKST TUE DEC 20 2011 ...BLIZZARD WARNING IS CANCELLED FOR PORTAGE VALLEY AND TURNAGAIN ARM... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE BLIZZARD WARNING FOR PORTAGE VALLEY AND TURNAGAIN ARM. TEMPERATURES HAVE WARMED INTO THE MID TO UPPER 30S WHICH HAS RESULTED IN SNOW CHANGING TO RAIN THROUGH PORTAGE VALLEY AND TURNAGAIN ARM. EAST WINDS HAVE ALSO DIMINISHED TO 15 TO 30 MPH AND WILL REMAIN THAT WAY THROUGH THE REST OF THE EVENING. $$ AKZ131-211300- /X.CON.PAFC.BZ.W.0049.000000T0000Z-111221T1300Z/ NORTHEAST PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS 747 PM AKST TUE DEC 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 AM AKST WEDNESDAY FOR THOMPSON PASS... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 AM AKST WEDNESDAY. * LOCATION...THROUGH THOMPSON PASS. * VISIBILITY...LESS THAN ONE QUARTER MILE AT TIMES DUE TO BLOWING SNOW. * WIND...SOUTHEAST WIND 25 TO 40 MPH. * TIMING...SNOW WILL BECOME HEAVY AT TIMES TONIGHT. WINDS WILL PEAK BY LATE EVENING THEN DECREASE TOWARD MORNING. POOREST VISIBILITIES WILL OCCUR WITH THE STRONGEST WINDS. * IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW WILL PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY BECOME VERY DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED. && $$ AKZ145-211800- /X.CON.PAFC.WS.W.0005.000000T0000Z-111221T1800Z/ SUSITNA VALLEY- INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL 747 PM AKST TUE DEC 20 2011 ...WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 9 AM AKST WEDNESDAY FOR THE WESTERN AND NORTHERN VALLEY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 9 AM AKST WEDNESDAY. * LOCATION...WESTERN AND NORTHERN VALLEY. * SNOW...TOTAL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED. * TIMING...SNOW WILL CONTINUE THROUGH WEDNESDAY MORNING. THE HEAVIEST SNOW IS EXPECTED THIS EVENING. SNOW WILL THEN END IN THE WESTERN VALLEY AFTER MIDNIGHT WHILE LIGHTER SNOW WILL PERSIST OVER THE NORTHERN VALLEY THROUGH WEDNESDAY MORNING. * IMPACTS...TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE LIMITED IN HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE SEVERELY LIMITED IN HEAVY SNOWFALL. && $$
097 WWAK41 PAFC 210632 CCA WSWAER URGENT - WINTER WEATHER MESSAGE...CORRECTED NATIONAL WEATHER SERVICE ANCHORAGE AK 747 PM AKST TUE DEC 20 2011 AKZ125-210600- /X.CAN.PAFC.BZ.W.0049.000000T0000Z-111221T0900Z/ WESTERN PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...WHITTIER...SEWARD...GIRDWOOD... MOOSE PASS 747 PM AKST TUE DEC 20 2011 ...BLIZZARD WARNING IS CANCELLED FOR PORTAGE VALLEY AND TURNAGAIN ARM... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE BLIZZARD WARNING FOR PORTAGE VALLEY AND TURNAGAIN ARM. TEMPERATURES HAVE WARMED INTO THE MID TO UPPER 30S WHICH HAS RESULTED IN SNOW CHANGING TO RAIN THROUGH PORTAGE VALLEY AND TURNAGAIN ARM. EAST WINDS HAVE ALSO DIMINISHED TO 15 TO 30 MPH AND WILL REMAIN THAT WAY THROUGH THE REST OF THE EVENING. $$ AKZ131-211300- /X.CON.PAFC.BZ.W.0049.000000T0000Z-111221T1300Z/ NORTHEAST PRINCE WILLIAM SOUND- INCLUDING THE CITIES OF...VALDEZ...THOMPSON PASS 747 PM AKST TUE DEC 20 2011 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 AM AKST WEDNESDAY FOR THOMPSON PASS... A BLIZZARD WARNING REMAINS IN EFFECT UNTIL 4 AM AKST WEDNESDAY. * LOCATION...THROUGH THOMPSON PASS. * VISIBILITY...LESS THAN ONE QUARTER MILE AT TIMES DUE TO BLOWING SNOW. * WIND...SOUTHEAST WIND 25 TO 40 MPH. * TIMING...SNOW WILL BECOME HEAVY AT TIMES TONIGHT. WINDS WILL PEAK BY LATE EVENING THEN DECREASE TOWARD MORNING. POOREST VISIBILITIES WILL OCCUR WITH THE STRONGEST WINDS. * IMPACTS...SNOWFALL COMBINED WITH STRONG WINDS AND BLOWING SNOW WILL PRODUCE WHITE-OUT CONDITIONS AT TIMES. DRIVING MAY BECOME VERY DIFFICULT. PRECAUTIONARY/PREPAREDNESS ACTIONS... A BLIZZARD WARNING MEANS SEVERE WINTER WEATHER CONDITIONS ARE EXPECTED OR OCCURRING. FALLING AND BLOWING SNOW WITH STRONG WINDS AND POOR VISIBILITIES ARE LIKELY. THIS WILL LEAD TO WHITE-OUT CONDITIONS...MAKING TRAVEL VERY DIFFICULT. ALL TRAVEL AND OUTDOOR ACTIVITY IS STRONGLY DISCOURAGED. && $$ AKZ145-211800- /X.COR.PAFC.WS.W.0005.000000T0000Z-111221T1800Z/ SUSITNA VALLEY- INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL 747 PM AKST TUE DEC 20 2011 ...WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 9 AM AKST WEDNESDAY... A WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 9 AM AKST WEDNESDAY. * LOCATION...SUSITNA VALLEY. * SNOW...TOTAL ACCUMULATIONS OF 8 TO 14 INCHES ARE EXPECTED. * TIMING...BANDS OF HEAVY SNOW OVER THE SUSITNA VALLEY WILL SLOWLY TAPER OFF FROM THE SOUTH AND WEST WEDNESDAY MORNING. * IMPACTS...TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE LIMITED IN HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE SEVERELY LIMITED IN HEAVY SNOWFALL. && $$
887 WWAK41 PAFC 211403 WSWAER URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 503 AM AKST WED DEC 21 2011 AKZ145-211800- /X.CON.PAFC.WS.W.0005.000000T0000Z-111221T1800Z/ SUSITNA VALLEY- INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL 503 AM AKST WED DEC 21 2011 ...WINTER STORM WARNING FOR HEAVY SNOW REMAINS IN EFFECT UNTIL 9 AM AKST THIS MORNING... A WINTER STORM WARNING REMAINS IN EFFECT UNTIL 9 AM AKST THIS MORNING. * LOCATION...SUSITNA VALLEY MAINLY NORTH OF TALKEETNA. * SNOW...ADDITIONAL SNOW ACCUMULATION 1 TO 3 INCHES. * TIMING...SNOW WILL TAPER OFF THIS MORNING. * IMPACTS...TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE LIMITED IN HEAVY SNOWFALL. PRECAUTIONARY/PREPAREDNESS ACTIONS... TRAVEL MAY BE DIFFICULT. VISIBILITIES MAY BE SEVERELY LIMITED IN HEAVY SNOWFALL. && $$
312 WWAK41 PAFC 211555 WSWAER URGENT - WINTER WEATHER MESSAGE NATIONAL WEATHER SERVICE ANCHORAGE AK 655 AM AKST WED DEC 21 2011 AKZ145-211700- /X.CAN.PAFC.WS.W.0005.000000T0000Z-111221T1800Z/ SUSITNA VALLEY- INCLUDING THE CITIES OF...TALKEETNA...WILLOW...CANTWELL 655 AM AKST WED DEC 21 2011 ...WINTER STORM WARNING FOR HEAVY SNOW IS CANCELLED... THE NATIONAL WEATHER SERVICE IN ANCHORAGE HAS CANCELLED THE WINTER STORM WARNING. SNOW HAS ENDED ACROSS MUCH OF THE SUSITNA VALLEY. AREAS OF LIGHT SNOW WILL PERSIST NORTH PF TALKEETNA THIS MORNING WITH UP TO 1 INCH ADDITIONAL ACCUMULATION. $$
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 20, 4:00 PM AKST | Gale Warning | AFC | 60 hr | |
| Dec 20, 4:00 PM AKST | Gale Warning | AFC | 60 hr | |
| Dec 21, 4:00 AM AKST | Gale Warning | AFC | 48 hr | |
| Dec 21, 4:00 AM AKST | Gale Warning | AFC | 24 hr | |
| Dec 21, 4:00 AM AKST | Small Craft Advisory | AFC | 4 days | |
| Dec 21, 4:00 AM AKST | Small Craft Advisory | AFC | 42 hr | |
| Dec 21, 12:35 PM AKST | Blizzard Watch | AFC | 17 hr |
Nearby
Winter Storm Warnings in Alaska, 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.