Alert archive / Alaska / Winter Storm Warnings in 2021

Winter Storm Warning 17, NWS Juneau, AK

March 12, 2021

NWS Juneau, AK issued this winter storm warning at Mar 12, 2021, 1:38 PM AKST. It took effect at Mar 12, 2021, 6:00 PM AKST. It was in force for 21 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 12, 2021, 1:38 PM AKST (22:38 UTC)
In effect from
Mar 12, 2021, 6:00 PM AKST
Expired
Mar 13, 2021, 3:00 PM AKST
In force
21 hr
Issued by
NWS Juneau, AK

The text

As transmitted.

903 
WWAK47 PAJK 122238
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
138 PM AKST Fri Mar 12 2021

AKZ029-130300-
/O.UPG.PAJK.WW.Y.0022.210313T0300Z-210313T2100Z/
/O.NEW.PAJK.WS.W.0017.210313T0300Z-210314T0000Z/
Misty Fjords-
Including the city of Hyder
138 PM AKST Fri Mar 12 2021

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO 3 PM
AKST SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 11 to 
  14 inches.

* WHERE...Misty Fjords including Hyder.

* WHEN...From 6 PM this evening to 3 PM AKST Saturday.

* IMPACTS...Travel could be very difficult. Heavy snow will be
  difficult to manage.

* ADDITIONAL DETAILS...Snow will transition to rain by Saturday
  afternoon.

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.

&&

$$

AKZ028-130300-
/O.NEW.PAJK.WS.W.0017.210313T0300Z-210313T2100Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
138 PM AKST Fri Mar 12 2021

...WINTER STORM WARNING IN EFFECT FROM 6 PM THIS EVENING TO NOON
AKST SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 10
  inches. 

* WHERE...Areas from Ketchikan to Thorne Bay including Hollis,
  Meyers Chuck, and Kasaan.

* WHEN...From 6 PM this evening to noon AKST Saturday.

* IMPACTS...Travel could be very difficult to impossible. Heavy
  wet snow will be difficult to manage. 

* ADDITIONAL DETAILS...Small changes in temperature will greatly
  affect snow amounts. Snow could transition to or mix with rain 
  thereby keeping snow amounts in Ketchikan lower than forecast. 
  Forecast confidence is moderate.
  

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.

&&

$$

AKZ026-027-130300-
/O.EXB.PAJK.WW.Y.0022.210313T0300Z-210313T2100Z/
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
138 PM AKST Fri Mar 12 2021

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

* WHAT...Snow expected. Total snow accumulations of 1 to 7 
  inches.

* WHERE...Inner Channels from Kupreanof Island to Etolin Island
  and western Prince of Wales Island including Wrangell and
  Petersburg.

* WHEN...From 6 PM this evening to noon AKST Saturday.

* IMPACTS...Plan on slippery road conditions. Wet snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Small differences in track of the heavy
  precipitation could yield smaller or larger snowfall amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

AKZ022-023-130300-
/O.CON.PAJK.WW.Y.0022.000000T0000Z-210313T0300Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Cape Decision to Salisbury Sound Coastal Area-
Including the cities of Elfin Cove, Pelican, Sitka, 
and Port Alexander
138 PM AKST Fri Mar 12 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 6 PM AKST THIS
EVENING...

* WHAT...Snow. Additional snow accumulations Friday of up to 3 
  inches.

* WHERE...The Eastern Gulf Coast including Sitka, Pelican, Elfin 
  Cove, and Port Alexander.

* WHEN...Until 6 PM AKST this evening.

* IMPACTS...Plan on slippery road conditions. Wet snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Already Sitka has reported 2 to 3 inches 
  from heavy snow showers this morning. Pelican reported 5 
  inches Thursday night.

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
4 follow-up statements
178 
WWAK47 PAJK 130252
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
552 PM AKST Fri Mar 12 2021


AKZ022-023-130400-
/O.EXP.PAJK.WW.Y.0022.000000T0000Z-210313T0300Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Cape Decision to Salisbury Sound Coastal Area-
Including the cities of Elfin Cove, Pelican, Sitka, 
and Port Alexander
552 PM AKST Fri Mar 12 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 6 PM AKST THIS
EVENING...

The snow has ended but scattered snow showers will continue
through the night.
This will be the final statement on this event.


$$

AKZ028-131600-
/O.CON.PAJK.WS.W.0017.210313T0300Z-210313T2100Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
552 PM AKST Fri Mar 12 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL NOON AKST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 6 to 
  10 inches.

* WHERE...Areas from Ketchikan to Thorne Bay including Hollis, 
  Meyers Chuck, and Kasaan.

* WHEN...From 6 PM this evening to noon AKST Saturday.

* IMPACTS...Travel could be very difficult to impossible. Heavy 
  wet snow will be difficult to manage.

* ADDITIONAL DETAILS...Small changes in temperature will greatly 
  affect snow amounts. Snow could transition to or mix with rain 
  thereby keeping snow amounts in Ketchikan lower than forecast. 
  Forecast confidence is moderate.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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


&&

$$

AKZ029-131600-
/O.CON.PAJK.WS.W.0017.210313T0300Z-210314T0000Z/
Misty Fjords-
Including the city of Hyder
552 PM AKST Fri Mar 12 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM AKST
SATURDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 11 to 
  14 inches.

* WHERE...Misty Fjords including Hyder.

* WHEN...From 6 PM this evening to 3 PM AKST Saturday.

* IMPACTS...Travel could be very difficult. Heavy snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Snow will transition to rain by Saturday 
  afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AKZ026-027-131600-
/O.CON.PAJK.WW.Y.0022.210313T0300Z-210313T2100Z/
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
552 PM AKST Fri Mar 12 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
SATURDAY...

* WHAT...Snow expected. Total snow accumulations of 1 to 7 
  inches.

* WHERE...Wrangell and Petersburg and eastern Prince of Wales
  Island.

* WHEN...From 6 PM this evening to noon AKST Saturday.

* IMPACTS...Plan on slippery road conditions. Wet snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Small differences in track of the heavy 
  precipitation could yield smaller or larger snowfall amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.


&&

$$

http://www.weather.gov/juneau
248 
WWAK47 PAJK 131309
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
409 AM AKST Sat Mar 13 2021

AKZ028-132100-
/O.CON.PAJK.WS.W.0017.000000T0000Z-210313T2100Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
409 AM AKST Sat Mar 13 2021

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

* WHAT...Heavy snow occurring. Total snow accumulations of 14 to 
  18 inches.

* WHERE...Areas from Ketchikan to Thorne Bay including Hollis, 
  Meyers Chuck, and Kasaan.

* WHEN...Until noon AKST Saturday.

* IMPACTS...Travel could be very difficult to impossible. Heavy 
  wet snow will be difficult to manage.

* ADDITIONAL DETAILS...Reports of 11 to 14 inches of new snow have
  been received around Ketchikan overnight with snow rates of up
  to 2 inches per hour observed at times. Snow should diminish 
  through the morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AKZ029-132100-
/O.CON.PAJK.WS.W.0017.000000T0000Z-210314T0000Z/
Misty Fjords-
Including the city of Hyder
409 AM AKST Sat Mar 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM AKST THIS
AFTERNOON...

* WHAT...Heavy snow occurring. Total snow accumulations of 12 to 
  16 inches.

* WHERE...Misty Fjords including Hyder.

* WHEN...Until 3 PM AKST Saturday.

* IMPACTS...Travel could be very difficult. Heavy snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Around 9 inches of snow has been observed
  just across the border in Stewart, British Columbia overnight.
  Snow is expected to continue this morning and may start mixing
  with rain in the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

AKZ026-027-132100-
/O.CON.PAJK.WW.Y.0022.000000T0000Z-210313T2100Z/
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
409 AM AKST Sat Mar 13 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL NOON AKST
TODAY...

* WHAT...Snow occurring. Total snow accumulations of 1 to 7 
  inches.

* WHERE...Wrangell and Petersburg and western Prince of Wales 
  Island.

* WHEN...Until noon AKST Saturday.

* IMPACTS...Plan on slippery road conditions. Wet snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Received snow amounts last night ranged
  from 1 to 4 inches across the area. Snow should diminish this
  morning with the highest accumulations expected near Wrangell.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

http://www.weather.gov/juneau
889 
WWAK47 PAJK 132057
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
1157 AM AKST Sat Mar 13 2021


AKZ028-132200-
/O.EXP.PAJK.WS.W.0017.000000T0000Z-210313T2100Z/
Southern Inner Channels-
Including the cities of Ketchikan and Metlakatla
1157 AM AKST Sat Mar 13 2021

...WINTER STORM WARNING WILL EXPIRE AT NOON AKST TODAY...

Most of the heavier band of snow has moved east of the communities
in the southern inner channels. Snow will likely continue for a
couple more hours, however significant accumulations are not
anticipated. 

$$

AKZ026-027-132200-
/O.EXP.PAJK.WW.Y.0022.000000T0000Z-210313T2100Z/
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
1157 AM AKST Sat Mar 13 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT NOON AKST TODAY...

Most of the heavier band of snow has moved east of the 
communities in near Kupreanof Island. Snow will likely continue 
for a couple more hours near Wrangell and Petersburg, however 
significant accumulations are not anticipated.


$$

AKZ029-140000-
/O.CON.PAJK.WS.W.0017.000000T0000Z-210314T0000Z/
Misty Fjords-
Including the city of Hyder
1157 AM AKST Sat Mar 13 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 3 PM AKST THIS
AFTERNOON...

* WHAT...Heavy snow occurring. Total snow accumulations of 12 to 
  16 inches.

* WHERE...Misty Fjords including Hyder.

* WHEN...Until 3 PM AKST Saturday.

* IMPACTS...Travel could be very difficult. Heavy snow will be 
  difficult to manage.

* ADDITIONAL DETAILS...Around 12 to 14 inches of snow has been
  observed just across the border in Stewart, British Columbia
  overnight. Snow is expected to continue this afternoon and may 
  start mixing with rain later in the afternoon.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

$$

http://www.weather.gov/juneau
914 
WWAK47 PAJK 132351
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
251 PM AKST Sat Mar 13 2021

AKZ029-140100-
/O.EXP.PAJK.WS.W.0017.000000T0000Z-210314T0000Z/
Misty Fjords-
Including the city of Hyder
251 PM AKST Sat Mar 13 2021

...WINTER STORM WARNING WILL EXPIRE AT 3 PM AKST THIS AFTERNOON...

Precipitation has tapered off or changed to rain around Hyder or
across the border in Stewart BC. Snowfall at 8 am this morning in
Hyder was a just over 7 inches and it was still snowing. Snowfall
total across the border by afternoon was roughly a foot of new 
snow.

$$

AKZ017-022-023-140800-
/O.NEW.PAJK.WS.A.0009.210315T0600Z-210315T1800Z/
Cape Fairweather to Cape Suckling Coastal Area-
Salisbury Sound to Cape Fairweather Coastal Area-
Cape Decision to Salisbury Sound Coastal Area-
Including the cities of Yakutat, Elfin Cove, Pelican, Sitka, 
and Port Alexander
251 PM AKST Sat Mar 13 2021

...WINTER STORM WATCH IN EFFECT FROM SUNDAY EVENING THROUGH
MONDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations of 5 to 
  10 inches possible. Winds could gust as high as 35 mph.

* WHERE...Cape Fairweather to Cape Suckling Coastal Area, 
  Salisbury Sound to Cape Fairweather Coastal Area and Cape 
  Decision to Salisbury Sound Coastal Area.

* WHEN...From Sunday evening through Monday morning.

* IMPACTS...Travel could be very difficult.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

AKZ020-021-140800-
/O.NEW.PAJK.WS.A.0009.210315T0900Z-210315T1800Z/
Glacier Bay-Eastern Chichagof Island-
Including the cities of Gustavus and Hoonah
251 PM AKST Sat Mar 13 2021

...WINTER STORM WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY MORNING...

* WHAT...Heavy snow possible. Total snow accumulations of 5 to 7 
  inches possible.

* WHERE...Glacier Bay and Eastern Chichagof Island.

* WHEN...From late Sunday night through Monday morning.

* IMPACTS...Plan on slippery road conditions. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

AKZ018-019-025-140800-
/O.NEW.PAJK.WS.A.0009.210315T1200Z-210316T0600Z/
Taiya Inlet and Klondike Highway-Haines Borough and Lynn Canal-
Juneau Borough and Northern Admiralty Island-
Including the cities of Skagway, Haines, and Juneau
251 PM AKST Sat Mar 13 2021

...WINTER STORM WATCH IN EFFECT FROM LATE SUNDAY NIGHT THROUGH
MONDAY EVENING...

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

* WHERE...Taiya Inlet and Klondike Highway, Haines Borough and 
  Lynn Canal and Juneau Borough and Northern Admiralty Island.

* WHEN...From late Sunday night through Monday evening.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Monitor the latest forecasts for updates on this situation. 

&&

$$

http://www.weather.gov/juneau

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 3:27 PM AKSTWinter Weather AdvisoryAJK45 hr
Mar 12, 3:33 AM AKSTGale WarningAJK36 hr
Mar 12, 3:33 AM AKSTSmall Craft AdvisoryAJK36 hr
Mar 12, 2:08 PM AKSTGale WarningAJK25 hr
Mar 12, 2:09 PM AKSTGale WarningAJK25 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.