Alert archive / Alaska / Winter Storm Warnings in 2021

Winter Storm Warning 36, NWS Juneau, AK

December 10, 2021

NWS Juneau, AK issued this winter storm warning at Dec 10, 2021, 7:02 PM AKST. It was in force for 10 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 10, 2021, 7:02 PM AKST (04:02 UTC)
Expired
Dec 11, 2021, 4:54 AM AKST
In force
10 hr
Issued by
NWS Juneau, AK

The text

As transmitted.

635 
WWAK47 PAJK 110402
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
702 PM AKST Fri Dec 10 2021


AKZ029-110515-
/O.CAN.PAJK.WS.W.0035.000000T0000Z-211211T0600Z/
Misty Fjords-
Including the city of Hyder
702 PM AKST Fri Dec 10 2021

...WINTER STORM WARNING IS CANCELLED...

Around 12 inches of snow fell during the day Friday. snow has 
diminished this evening, but some snow showers may still be seen 
overnight with light accumulations.

$$

AKZ017-111400-
/O.UPG.PAJK.WW.Y.0052.000000T0000Z-211211T0900Z/
/O.NEW.PAJK.WS.W.0036.211211T0402Z-211211T1400Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
702 PM AKST Fri Dec 10 2021

...WINTER STORM WARNING IN EFFECT UNTIL 5 AM AKST SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations of around 4 to
  7 inches. 

* WHERE...Yakutat

* WHEN...Until 5 AM AKST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Between 4 and 7 pm Friday evening around 
  6.5 inches of snow fell at Yakutat with heavy snow showers 
  continuing. Snow showers will persist through the night. 
  Snowfall rates may exceed one inch per hour at times. Additional
  snow accumulations may widely vary over short distances.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency. 

&&

$$

AKZ025-111400-
/O.CON.PAJK.WW.Y.0052.000000T0000Z-211211T1500Z/
Juneau Borough and Northern Admiralty Island-
Including the city of Juneau
702 PM AKST Fri Dec 10 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 AM AKST
SATURDAY...

* WHAT...Snow. Additional snow accumulations of 2 to 5 inches.

* WHERE...Juneau.

* WHEN...Until 6 AM AKST Saturday.

* IMPACTS...Travel could be very difficult. The hazardous 
  conditions could impact the morning and evening commute.

* ADDITIONAL DETAILS...Accumulating snow showers are expected 
  through early Saturday morning as temperatures fall back below 
  freezing. Because of the showery nature of precipitation, 
  expect snow amounts to widely vary over short distances.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ028-111400-
/O.CON.PAJK.WS.A.0017.211212T0600Z-211213T0600Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
702 PM AKST Fri Dec 10 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

* WHAT...Heavy snow possible. Total snow accumulations of up to 
  6 inches possible.

* WHERE...Southern Inner Channels.

* WHEN...From Saturday evening through Sunday evening.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Heaviest rates are expected early Sunday 
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

http://www.weather.gov/juneau
2 follow-up statements
116 
WWAK47 PAJK 110652
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
952 PM AKST Fri Dec 10 2021


AKZ025-110800-
/O.CAN.PAJK.WW.Y.0052.000000T0000Z-211211T1500Z/
Juneau Borough and Northern Admiralty Island-
Including the city of Juneau
952 PM AKST Fri Dec 10 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Minimal snow has fallen over the course of the evening with
amounts only reaching around 1 inch at most. Some snow showers
still linger in the area but higher snow amounts are not expected.

$$

AKZ017-111400-
/O.CON.PAJK.WS.W.0036.000000T0000Z-211211T1400Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
952 PM AKST Fri Dec 10 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM AKST
SATURDAY...

* WHAT...Heavy snow. Additional snow accumulations of around 4 
  to 7 inches.

* WHERE...Yakutat.

* WHEN...Until 5 AM AKST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Between 4 and 7 pm Friday evening around 
  6.5 inches of snow fell at Yakutat with heavy snow showers 
  continuing. Snow showers will persist through the night. 
  Snowfall rates may exceed one inch per hour at times. 
  Additional snow accumulations may widely vary over short 
  distances.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.

&&

$$

AKZ026-027-111400-
/O.NEW.PAJK.WW.Y.0053.211211T0652Z-211211T1400Z/
Inner Channels from Kupreanof Island to Etolin Island-
Dixon Entrance to Cape Decision Coastal Area-
Including the cities of Petersburg, Wrangell, Kake, Craig, 
and Klawock
952 PM AKST Fri Dec 10 2021

...WINTER WEATHER ADVISORY IN EFFECT UNTIL 5 AM AKST SATURDAY...

* WHAT...Snow. Additional snow accumulations 2 to 4 inches.

* WHERE...Petersburg, Wrangell, Craig, Klawock, and Hydaburg.

* WHEN...Until 5 AM AKST Saturday.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...A band of heavy snow showers has moved into
  the area, with moderate snow observed at Klawock, Craig, and
  Petersburg. Snow amounts may vary widely. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

AKZ028-111500-
/O.CON.PAJK.WS.A.0017.211212T0600Z-211213T0600Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
952 PM AKST Fri Dec 10 2021

...WINTER STORM WATCH REMAINS IN EFFECT FROM SATURDAY EVENING
THROUGH SUNDAY EVENING...

* WHAT...Heavy snow possible. Total snow accumulations of up to 
  6 inches possible.

* WHERE...Southern Inner Channels.

* WHEN...From Saturday evening through Sunday evening.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Heaviest rates are expected early Sunday 
  morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation.

&&

$$

http://www.weather.gov/juneau
069 
WWAK47 PAJK 111354
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
454 AM AKST Sat Dec 11 2021


AKZ017-111500-
/O.CAN.PAJK.WS.W.0036.000000T0000Z-211211T1400Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
454 AM AKST Sat Dec 11 2021

...WINTER STORM WARNING IS CANCELLED...

Satellite indicates that the outer edge of the band of snow is
approaching Yakutat. Snowfall rates are expected to diminish
through the early morning hours.

$$

AKZ027-112200-
/O.EXP.PAJK.WW.Y.0053.000000T0000Z-211211T1400Z/
/O.NEW.PAJK.WW.Y.0054.211212T0300Z-211213T0300Z/
Dixon Entrance to Cape Decision Coastal Area-
Including the cities of Craig and Klawock
454 AM AKST Sat Dec 11 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM AKST SUNDAY...
...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM AKST EARLY THIS
MORNING...

* WHAT...Snow expected. Total snow accumulations of 3 to 8 
  inches.

* WHERE...Dixon Entrance to Cape Decision Coastal Area.

* WHEN...From 6 PM this evening to 6 PM AKST Sunday.

* IMPACTS...Travel could be very difficult to impossible.

* ADDITIONAL DETAILS...The wave responsible for the organized
  snow bands during the overnight hours Friday is departing the
  area. Another wave will bring more organized bands of snow
  showers to the area beginning Saturday evening and continuing
  through much of Sunday. Snow showers will lead to highly
  variable snowfall accumulations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

AKZ026-112100-
/O.UPG.PAJK.WW.Y.0053.000000T0000Z-211211T1400Z/
/O.NEW.PAJK.WS.W.0037.211211T1354Z-211211T2100Z/
Inner Channels from Kupreanof Island to Etolin Island-
Including the cities of Petersburg, Wrangell, and Kake
454 AM AKST Sat Dec 11 2021

...WINTER STORM WARNING IN EFFECT UNTIL NOON AKST TODAY...

* WHAT...Heavy snow. Additional snow accumulations of up to two 
  inches.

* WHERE...Inner Channels from Kupreanof Island to Etolin Island.

* WHEN...Until noon AKST today.

* IMPACTS...Plan on slippery road conditions.

* ADDITIONAL DETAILS...Organized bands of snow have fallen through
  the night, resulting in snow accumulations of up to 8 inches
  since 7 PM Friday evening. Additional bands of snow showers are
  anticipated through the morning hours on Saturday as the wave
  responsible moves off to the east.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

$$

AKZ028-112200-
/O.UPG.PAJK.WS.A.0017.211212T0600Z-211213T0600Z/
/O.NEW.PAJK.WW.Y.0054.211212T0300Z-211213T0300Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
454 AM AKST Sat Dec 11 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 6 PM THIS EVENING TO
6 PM AKST SUNDAY...

* WHAT...Snow expected. Total snow accumulations of 2 to 7 
  inches.

* WHERE...Southern Inner Channels.

* WHEN...From 6 PM this evening to 6 PM AKST Sunday.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...A wave will bring organized bands of snow
  showers to the area from Saturday evening through much of
  Sunday. Snow showers will lead to highly variable snow 
  accumulations.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

For the latest road conditions call 5 1 1 or visit
511.alaska.gov.

&&

$$

http://www.weather.gov/juneau

The office that day

Everything else NWS Juneau, AK issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 10, 3:39 PM AKSTSmall Craft AdvisoryAJK23 hr
Dec 10, 9:52 PM AKSTWinter Weather AdvisoryAJK7 hr
Dec 11, 3:44 AM AKSTGale WarningAJK36 hr
Dec 11, 3:45 AM AKSTGale WarningAJK48 hr
Dec 11, 3:59 AM AKSTGale WarningAJK63 hr
Dec 11, 3:59 AM AKSTSmall Craft AdvisoryAJK72 hr
Dec 11, 4:54 AM AKSTWinter Storm WarningAJK7 hr
Dec 11, 4:54 AM AKSTWinter Weather AdvisoryAJK10 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.