Alert archive / Alaska / Blizzard Warnings in 2021
Blizzard Warning 15, NWS Anchorage, AK
NWS Anchorage, AK issued this blizzard warning at Nov 20, 2021, 4:05 AM AKST. It took effect at Nov 21, 2021, 3:00 AM AKST. 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
- Nov 20, 2021, 4:05 AM AKST (13:05 UTC)
- In effect from
- Nov 21, 2021, 3:00 AM AKST
- Expired
- Nov 21, 2021, 6:00 PM AKST
- In force
- 15 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted.
827 WWAK41 PAFC 201305 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 405 AM AKST Sat Nov 20 2021 AKZ131-210200- /O.UPG.PAFC.WW.Y.0051.211121T1200Z-211122T1400Z/ /O.NEW.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 405 AM AKST Sat Nov 20 2021 ...BLIZZARD WARNING IN EFFECT FROM 3 AM SUNDAY TO 5 AM AKST MONDAY FOR THOMPSON PASS... * WHAT...Blizzard conditions expected. Total snow accumulations of 4 to 8 inches. Winds gusting as high as 55 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Northeast Prince William Sound. * WHEN...From 3 AM Sunday to 5 AM AKST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Snow is expected to begin early Sunday morning and persist through early Monday morning. Snow is expected to be fine, powdery, and easily transportable. Falling and blowing snow may reduce visibilities as low as one quarter mile at times. Visibilities may worsen in the wake of other vehicles. Road conditions will be slippery, use caution when driving. 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 whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ AKZ171-210200- /O.CON.PAFC.WS.W.0003.211120T1700Z-211121T1000Z/ Kodiak Island- Including the city of Kodiak City 405 AM AKST Sat Nov 20 2021 ...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 AM THIS MORNING TO 1 AM AKST SUNDAY... * WHAT...Snow and blowing snow expected. Total snow accumulations of 2 to 6 inches with locally higher amounts west of Kodiak City. Winds gusting as high as 55 mph. Falling and/or blowing snow may reduce visibilities as low as one half mile at times. * WHERE...Kodiak City and surrounding communities. * WHEN...From 8 AM Saturday to 1 AM AKST Sunday. * IMPACTS...Plan on slippery road conditions. High snow rates and/or areas of blowing snow could significantly reduce visibility to one half mile at times. * ADDITIONAL DETAILS...Snow is expected to begin over Kodiak Island Saturday morning. A brief period of above freezing temperatures during the day on Saturday may lead to a transition from snow to a rain/snow mix before switching back to all snow. Winds are predicted between 40 to 45 mph with gusts as high as 55 mph. Anticipate falling and blowing snow to reduce visibilities to one half mile at times. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Winter Storm Warning for snow means severe winter weather conditions will make travel very hazardous. If you must travel, keep an extra flashlight, food and water in your vehicle in case of an emergency. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
8 follow-up statements
070 WWAK41 PAFC 202114 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 1214 PM AKST Sat Nov 20 2021 AKZ171-202215- /O.CAN.PAFC.WS.W.0003.000000T0000Z-211121T1000Z/ Kodiak Island- Including the city of Kodiak City 1214 PM AKST Sat Nov 20 2021 ...WINTER STORM WARNING IS CANCELLED... The low in the Gulf has tracked about 100 miles farther east than anticipated which will keep the winter storm conditions east of Kodiak Island. Strong winds will persist through this evening and there should be periods of snow through this evening as well. However, with temperatures warming into the mid 30s there will be little to no snow accumulation at sea level. Areas above 500 ft elevation on the east side of Kodiak and Afognak Islands will still see some snow accumulation. $$ AKZ131-211330- /O.CON.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 1214 PM AKST Sat Nov 20 2021 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 5 AM AKST MONDAY... * WHAT...Blizzard conditions expected. Total snow accumulations of 4 to 8 inches. Winds gusting as high as 55 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Northeast Prince William Sound. * WHEN...From 3 AM Sunday to 5 AM AKST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Snow is expected to begin early Sunday morning and persist through early Monday morning. Snow is expected to be fine, powdery, and easily transportable. Falling and blowing snow may reduce visibilities as low as one quarter mile at times. Visibilities may worsen in the wake of other vehicles. Road conditions will be slippery, use caution when driving. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Blizzard Warning means severe winter weather conditions are expected or occurring. Falling and blowing snow with strong winds and poor visibilities are likely. This will lead to whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
424 WWAK41 PAFC 210044 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 344 PM AKST Sat Nov 20 2021 AKZ131-211500- /O.CON.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 344 PM AKST Sat Nov 20 2021 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 5 AM AKST MONDAY FOR THOMPSON PASS... * WHAT...Blizzard conditions expected. Total snow accumulations of 4 to 8 inches. Winds gusting as high as 55 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Thompson Pass. * WHEN...From 3 AM Sunday to 5 AM AKST Monday. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The cold wind chills as low as 50 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...Snow is expected to begin early Sunday morning and persist through early Monday morning. Wind chills, however, are already near 50 below zero and will remain between 40 to 50 below zero through the event. Snow is expected to be fine, powdery, and easily transportable. Falling and blowing snow may reduce visibilities as low as one quarter mile at times. Visibilities may worsen in the wake of other vehicles. Road conditions will be slippery, use caution when driving. 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 whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
341 WWAK41 PAFC 210445 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 745 PM AKST Sat Nov 20 2021 AKZ131-211500- /O.CON.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 745 PM AKST Sat Nov 20 2021 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 5 AM AKST MONDAY... * WHAT...Blizzard conditions expected. Total snow accumulations of 4 to 8 inches. Winds gusting as high as 65 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Thompson Pass. * WHEN...From 3 AM Sunday to 5 AM AKST Monday. Strong winds to 65 mph are already occurring and will persist through the event. Snow will start falling Sunday morning and increase in intensity through the day. The combination of the wind and the snow will quickly result in reduced visibility. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The cold wind chills as low as 50 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Snow is expected to begin Sunday morning and persist through early Monday morning. Wind chills, however, are already near 50 below zero and will remain between 40 to 50 below zero through the event. Snow is expected to be fine, powdery, and easily transportable. Falling and blowing snow may reduce visibilities as low as one quarter mile at times. Visibilities may worsen in the wake of other vehicles. Road conditions will be slippery, use caution when driving. 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 whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
270 WWAK41 PAFC 210446 CCA WSWAER URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service Anchorage AK 746 PM AKST Sat Nov 20 2021 AKZ131-211500- /O.COR.PAFC.BZ.W.0015.211121T1200Z-211122T1400Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 746 PM AKST Sat Nov 20 2021 ...BLIZZARD WARNING REMAINS IN EFFECT FROM 3 AM SUNDAY TO 5 AM AKST MONDAY FOR THOMPSON PASS... * WHAT...Blizzard conditions expected. Total snow accumulations of 4 to 8 inches. Winds gusting as high as 65 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Thompson Pass. * WHEN...From 3 AM Sunday to 5 AM AKST Monday. Strong winds to 65 mph are already occurring and will persist through the event. Snow will start falling Sunday morning and increase in intensity through the day. The combination of the wind and the snow will quickly result in reduced visibility. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The cold wind chills as low as 50 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Snow is expected to begin Sunday morning and persist through early Monday morning. Wind chills, however, are already near 50 below zero and will remain between 40 to 50 below zero through the event. Snow is expected to be fine, powdery, and easily transportable. Falling and blowing snow may reduce visibilities as low as one quarter mile at times. Visibilities may worsen in the wake of other vehicles. Road conditions will be slippery, use caution when driving. 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 whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
765 WWAK41 PAFC 211313 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 413 AM AKST Sun Nov 21 2021 AKZ131-220200- /O.CON.PAFC.BZ.W.0015.000000T0000Z-211122T1400Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 413 AM AKST Sun Nov 21 2021 ...BLIZZARD WARNING REMAINS IN EFFECT UNTIL 5 AM AKST MONDAY FOR THOMPSON PASS... * WHAT...Blizzard conditions occurring. Total snow accumulations of 2 to 5 inches. Winds gusting as high as 65 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Thompson Pass. * WHEN...Through 5 AM AKST Monday. Strong winds to 65 mph are already occurring and will persist through the event. Snow will start falling Sunday morning and increase in intensity through the day. The combination of the wind and the snow will quickly result in reduced visibility. * IMPACTS...Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The cold wind chills as low as 50 below zero could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Snow is expected to begin this morning and persist through early Monday morning. Wind chills, however, are already near 50 below zero and will remain between 40 to 50 below zero through the event. Snow is expected to be fine, powdery, and easily transportable. Falling and blowing snow may reduce visibilities as low as one quarter mile at times. Visibilities may worsen in the wake of other vehicles. Road conditions will be slippery, use caution when driving. 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 whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you. If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
128 WWAK41 PAFC 220111 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 411 PM AKST Sun Nov 21 2021 AKZ131-220300- /O.EXT.PAFC.BZ.W.0015.000000T0000Z-211122T0300Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 411 PM AKST Sun Nov 21 2021 ...BLIZZARD WARNING NOW IN EFFECT UNTIL 6 PM AKST THIS EVENING... * WHAT...Blizzard conditions occurring. Additional accumulation up to 1 inch possible. Winds gusting to 50 mph. Reduced visibilities as low as one quarter mile at times. * WHERE...Thompson Pass. * WHEN...Through 6 PM this evening. * IMPACTS...Strong winds will continue to transport snow early this evening creating ground blizzard conditions and drifting snow. Cold wind chills of -35 degrees are expected to persist through the morning. 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 whiteout conditions, making travel very hazardous. If you must travel, have a winter survival kit with you.If you get stranded, stay with your vehicle. For the latest road conditions call 5 1 1 or visit 511.alaska.gov. && $$ http://www.weather.gov/afc
332 WWAK41 PAFC 220259 WSWAER URGENT - WINTER WEATHER MESSAGE National Weather Service Anchorage AK 559 PM AKST Sun Nov 21 2021 AKZ131-220400- /O.EXP.PAFC.BZ.W.0015.000000T0000Z-211122T0300Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 559 PM AKST Sun Nov 21 2021 ...BLIZZARD WARNING WILL EXPIRE AT 6 PM AKST THIS EVENING... While winds will remain elevated with gusts to 50 mph, most of the falling snow has shifted east of the area. Visibility will continue to gradually improve through the evening. Cold temperatures and strong winds will keep wind chills near -40 degrees through at least Monday morning. $$ http://www.weather.gov/afc
399 WWAK41 PAFC 220300 CCA WSWAER URGENT - WINTER WEATHER MESSAGE...CORRECTED National Weather Service Anchorage AK 600 PM AKST Sun Nov 21 2021 AKZ131-220400- /O.COR.PAFC.BZ.W.0015.000000T0000Z-211122T0300Z/ Northeast Prince William Sound- Including the cities of Valdez and Thompson Pass 600 PM AKST Sun Nov 21 2021 ...BLIZZARD WARNING FOR THOMPSON PASS WILL EXPIRE AT 6 PM AKST THIS EVENING... While winds will remain elevated with gusts to 50 mph through Thompson Pass, most of the falling snow has shifted east of the area. Visibility will continue to gradually improve through the evening. Cold temperatures and strong winds will keep wind chills near -40 degrees through at least Monday morning. $$ 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 |
|---|---|---|---|---|
| Nov 19, 3:57 PM AKST | Storm Warning | AFC | 12 hr | |
| Nov 19, 3:57 PM AKST | Heavy Freezing Spray Warning | AFC | 12 hr | |
| Nov 19, 4:03 PM AKST | Winter Storm Warning | AFC | 20 hr | |
| Nov 19, 4:03 PM AKST | Winter Weather Advisory | AFC | 12 hr | |
| Nov 20, 3:05 AM AKST | Small Craft Advisory | AFC | 8 days | |
| Nov 20, 3:05 AM AKST | Heavy Freezing Spray Warning | AFC | 61 hr | |
| Nov 20, 3:57 AM AKST | Gale Warning | AFC | 24 hr | |
| Nov 20, 3:57 AM AKST | Small Craft Advisory | AFC | 48 hr |
Nearby
Blizzard Warnings in Alaska, 2021Every blizzard 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.