Alert archive / Alaska / Winter Storm Warnings in 2021
Winter Storm Warning 1, NWS Anchorage, AK
NWS Anchorage, AK issued this winter storm warning at Jan 17, 2021, 5:07 AM AKST. It took effect at Jan 18, 2021, 5:00 AM AKST. It was in force for 25 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
- Jan 17, 2021, 5:07 AM AKST (14:07 UTC)
- In effect from
- Jan 18, 2021, 5:00 AM AKST
- Expired
- Jan 19, 2021, 6:00 AM AKST
- In force
- 25 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted.
874 WWAK41 PAFC 171407 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 507 AM AKST Sun Jan 17 2021 AKZ141-180200- /O.UPG.PAFC.WS.A.0002.210118T1400Z-210119T0600Z/ /O.NEW.PAFC.WS.W.0001.210118T1400Z-210119T1500Z/ Copper River Basin- Including the cities of Glennallen, Eureka, McCarthy, Paxson, and Slana 507 AM AKST Sun Jan 17 2021 ...WINTER STORM WARNING IN EFFECT FROM 5 AM MONDAY TO 6 AM AKST TUESDAY SOUTH AND WEST OF GLENNALLEN... * WHAT...Heavy snow expected. Total snow accumulations of up to 24 inches expected south of the Edgerton Highway. Snow accumulations of 6 to 12 inches along the Glenn Highway west of Glennallen. Winds gusting as high as 35 mph. * WHERE...Along the Richardson Highway south of the the Edgerton Highway junction, and along the Glenn Highway west of Glennallen. * WHEN...From 5 AM Monday to 6 AM AKST Tuesday. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Snow will begin to overspread the region from south to north early Monday morning peaking in intensity late Monday morning through Monday evening. Snowfall rates during the peak of the event may reach as high as 1 inch per hour along the Glenn Highway, and up to 2 inches per hour at times along the Richardson Highway. Conditions will improve Monday evening along the Glenn Highway, but will persist through late Monday night along the Richardson Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ AKZ131-180200- /O.EXT.PAFC.WS.A.0002.210118T1200Z-210119T1500Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 507 AM AKST Sun Jan 17 2021 ...WINTER STORM WATCH NOW IN EFFECT FROM LATE TONIGHT THROUGH LATE MONDAY NIGHT THROUGH THOMPSON PASS... * WHAT...Heavy snow possible. Total snow accumulations up to 24 inches possible. Southeast winds 20 to 30 mph with gusts up to 45 mph expected. * WHERE...Thompson Pass. * WHEN...From late tonight through late Monday night. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Snow will begin to overspread the region from south to north late tonight/early Monday peaking in intensity late Monday morning through Monday evening. Snowfall rates during the peak of the event may reach as high as 2 inches per hour. Conditions will begin to slowly improve early Tuesday morning with subsiding winds and precipitation becoming more showery. Due to the wet nature of the snow, blowing snow is not expected and should keep visibilities a bit higher. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ AKZ125-180200- /O.CON.PAFC.WS.A.0002.210118T1200Z-210119T0900Z/ Western Prince William Sound- Including the cities of Whittier, Seward, Girdwood, and Moose Pass 507 AM AKST Sun Jan 17 2021 ...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TONIGHT THROUGH MONDAY EVENING THROUGH MONDAY EVENING FOR TURNAGAIN PASS... * WHAT...Heavy snow possible. Total snow accumulations up to 24 inches possible. East winds 25 to 35 mph with gusts up to 45 mph expected. * WHERE...Turnagain Pass. * WHEN...From late Sunday night through Monday evening. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Snow will begin to overspread the region from southeast to northwest late Sunday night/early Monday peaking in intensity Monday morning through Monday evening. Snowfall rates during the peak of the event may reach as high as 2 inches per hour through the Pass. Conditions will begin to slowly improve Monday evening with subsiding winds and precipitation becoming more showery. Due to the wet nature of the snow, blowing snow is not expected and should keep visibilities a bit higher. PRECAUTIONARY/PREPAREDNESS ACTIONS... Monitor the latest forecasts for updates on this situation. && $$ http://www.weather.gov/afc
5 follow-up statements
056 WWAK41 PAFC 180014 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 314 PM AKST Sun Jan 17 2021 AKZ131-180115- /O.CAN.PAFC.WS.A.0002.210118T1200Z-210119T1500Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 314 PM AKST Sun Jan 17 2021 ...WINTER STORM WATCH IS CANCELLED THROUGH LATE MONDAY NIGHT THROUGH THOMPSON PASS... Winter Storm Watch is cancelled for Thompson Pass. While heavy snow remains expected with between 18 to 24 inches of snow, it is expected to occur over greater than a 12 hour period. $$ AKZ125-180115- /O.CAN.PAFC.WS.A.0002.210118T1200Z-210119T0900Z/ Western Prince William Sound- Including the cities of Whittier, Seward, Girdwood, and Moose Pass 314 PM AKST Sun Jan 17 2021 ...WINTER STORM WATCH IS CANCELLED THROUGH MONDAY EVENING THROUGH MONDAY EVENING FOR TURNAGAIN PASS... Winter Storm Watch is cancelled for Turnagain Pass. While snow is still expected, there is a great deal of warm air that is expected to come northward with this system leading to rising snow levels possibly to or above pass level. Therefore, a rain/snow mix is anticipated for Monday morning/afternoon as temperatures will be hovering near to slightly above freezing. Since mixing is expected, this will greatly reduce snowfall amount with only 6 to 10 inches possible for this event. $$ AKZ141-190200- /O.CON.PAFC.WS.W.0001.210118T1400Z-210119T1500Z/ Copper River Basin- Including the cities of Glennallen, Eureka, McCarthy, Paxson, and Slana 314 PM AKST Sun Jan 17 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 AM MONDAY TO 6 AM AKST TUESDAY SOUTH AND WEST OF GLENNALLEN... * WHAT...Heavy snow expected. Total snow accumulations of 12 to 24 inches expected south of the Edgerton Highway. Snow accumulations of 6 to 12 inches along the Glenn Highway west of Glennallen. Winds gusting as high as 35 mph. * WHERE...Along the Richardson Highway south of the the Edgerton Highway junction, and along the Glenn Highway west of Glennallen. * WHEN...From 5 AM Monday to 6 AM AKST Tuesday. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Snow will begin to overspread the region from south to north early Monday morning peaking in intensity late Monday morning through Monday evening. Snowfall rates during the peak of the event may reach as high as 1 inch per hour along the Glenn Highway, and up to 2 inches per hour at times along the Richardson Highway. Conditions will improve Monday evening along the Glenn Highway, but will persist through late Monday night along the Richardson Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
294 WWAK41 PAFC 181328 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 428 AM AKST Mon Jan 18 2021 AKZ141-190300- /O.CON.PAFC.WS.W.0001.210118T1400Z-210119T1500Z/ Copper River Basin- Including the cities of Glennallen, Eureka, McCarthy, Paxson, and Slana 428 AM AKST Mon Jan 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 6 AM AKST TUESDAY SOUTH AND WEST OF GLENNALLEN... * WHAT...Heavy snow occurring. Total snow accumulations of 12 to 24 inches expected south of the Edgerton Highway. Snow accumulations of 5 to 10 inches along the Glenn Highway west of Glennallen. Winds gusting as high as 45 mph. * WHERE...Along the Richardson Highway south of the the Edgerton Highway junction, and along the Glenn Highway west of Glennallen. * WHEN...Through 6 AM AKST Tuesday. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Snow has begun to overspread the region this morning. Snow will peak in intensity late this morning through this evening. Snowfall rates during the peak of the event may reach as high as 1 inch per hour at times along the Glenn Highway, and up to 2 inches per hour at times along the Richardson Highway. Conditions will improve Monday evening along the Glenn Highway, but will persist through late Monday night along the Richardson Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
139 WWAK41 PAFC 190053 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 353 PM AKST Mon Jan 18 2021 AKZ141-190900- /O.EXT.PAFC.WS.W.0001.000000T0000Z-210119T0900Z/ Copper River Basin- Including the cities of Glennallen, Eureka, McCarthy, Paxson, and Slana 353 PM AKST Mon Jan 18 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL MIDNIGHT AKST TONIGHT SOUTH AND WEST OF GLENNALLEN... * WHAT...Heavy snow occurring. Additional snow accumulations of 8 to 12 inches south of the Edgerton Highway for storm totals of 12 to 24 inches. Additional snow accumulation of 2 to 4 inches along the Glenn Highway west of Glennallen for total snow accumulations of 5 to 10 inches. Winds gusting as high as 45 mph. * WHERE...Along the Richardson Highway south of the the Edgerton Highway junction, and along the Glenn Highway west of Glennallen. * WHEN...Until midnight AKST tonight. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Moderate to heavy snow continues to fall across the area with snowfall rates up to 2 inches per hour along the Richardson Highway and up to 1 inch per hour at times along the Glenn Highway. Conditions will improve this evening along the Glenn Highway, but will persist through late tonight along the Richardson Highway. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
933 WWAK41 PAFC 190859 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 1159 PM AKST Mon Jan 18 2021 AKZ141-191500- /O.EXT.PAFC.WS.W.0001.000000T0000Z-210119T1500Z/ Copper River Basin- Including the cities of Glennallen, Eureka, McCarthy, Paxson, and Slana 1159 PM AKST Mon Jan 18 2021 ...WINTER STORM WARNING NOW IN EFFECT UNTIL 6 AM AKST TUESDAY SOUTH AND WEST OF GLENNALLEN... * WHAT...Heavy snow occurring. Additional snow accumulations of 3 to 6 inches expected through 6am. * WHERE...Along the Richardson Highway south of the the Edgerton Highway junction, and along the Glenn Highway west of Glennallen. * WHEN...Until 6 AM AKST Tuesday. * IMPACTS...Plan on slippery and difficult road conditions. * ADDITIONAL DETAILS...Moderate to heavy snow continues to fall across the area with snowfall rates up to 1 inch per hour at times along the Glenn Highway. Conditions will improve through the overnight from west to east. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
553 WWAK41 PAFC 191459 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 559 AM AKST Tue Jan 19 2021 AKZ141-191600- /O.EXP.PAFC.WS.W.0001.000000T0000Z-210119T1500Z/ Copper River Basin- Including the cities of Glennallen, Eureka, McCarthy, Paxson, and Slana 559 AM AKST Tue Jan 19 2021 ...WINTER STORM WARNING HAS EXPIRED SOUTH AND WEST OF GLENNALLEN... Snow that may be briefly heavy at times will continue around the Eureka area of the Glenn Highway for the next few hours, but the heaviest and most persistent snow has ended. $$ http://www.weather.gov/afc
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 16, 3:12 PM AKST | Gale Warning | AFC | 13 hr | |
| Jan 16, 3:12 PM AKST | Storm Warning | AFC | 48 hr | |
| Jan 16, 3:25 PM AKST | Gale Warning | AFC | 13 hr | |
| Jan 16, 3:25 PM AKST | Small Craft Advisory | AFC | 13 hr | |
| Jan 16, 3:31 PM AKST | Small Craft Advisory | AFC | 13 hr | |
| Jan 16, 3:54 PM AKST | Winter Storm Watch | AFC | 23 hr | |
| Jan 16, 9:11 PM AKST | High Wind Warning | AFC | 45 hr | |
| Jan 17, 3:49 AM AKST | Gale Warning | AFC | 4 days | |
| Jan 17, 3:58 AM AKST | Storm Warning | AFC | 35 hr | |
| Jan 17, 4:03 AM AKST | Gale Warning | AFC | 72 hr | |
| Jan 17, 4:03 AM AKST | Hurricane Force Wind Warning | AFC | 36 hr | |
| Jan 17, 4:03 AM AKST | Small Craft Advisory | AFC | 48 hr | |
| Jan 17, 4:03 AM AKST | Storm Warning | AFC | 36 hr | |
| Jan 17, 4:07 AM AKST | Brisk Wind Advisory | AFC | 11 hr | |
| Jan 17, 4:07 AM AKST | Gale Warning | AFC | 4 days | |
| Jan 17, 4:07 AM AKST | Small Craft Advisory | AFC | 24 hr | |
| Jan 17, 4:07 AM AKST | Storm Warning | AFC | 11 hr | |
| Jan 17, 2:46 PM AKST | Gale Warning | AFC | 3 days | |
| Jan 17, 2:53 PM AKST | Gale Warning | AFC | 4 days | |
| Jan 17, 2:53 PM AKST | Small Craft Advisory | AFC | 24 hr | |
| Jan 17, 2:53 PM AKST | Heavy Freezing Spray Warning | AFC | 49 hr |
Nearby
Winter Storm Warnings in Alaska, 2021Every winter storm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.