Alert archive / Alaska / Winter Storm Warnings in 2021

Winter Storm Warning 20, NWS Juneau, AK

March 18, 2021

NWS Juneau, AK issued this winter storm warning at Mar 18, 2021, 5:45 AM AKDT. It took effect at Mar 18, 2021, 8:00 PM AKDT. It was in force for 17 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 18, 2021, 5:45 AM AKDT (13:45 UTC)
In effect from
Mar 18, 2021, 8:00 PM AKDT
Expired
Mar 19, 2021, 1:00 PM AKDT
In force
17 hr
Issued by
NWS Juneau, AK

The text

As transmitted.

970 
WWAK47 PAJK 181345
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
545 AM AKDT Thu Mar 18 2021

AKZ022-182145-
/O.NEW.PAJK.WS.W.0020.210319T0400Z-210319T2100Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Including the cities of Elfin Cove and Pelican
545 AM AKDT Thu Mar 18 2021

...WINTER STORM WARNING IN EFFECT FROM 8 PM THIS EVENING TO 1 PM
AKDT FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 5 to 8 
  inches.

* WHERE...Elfin Cove and Pelican.

* WHEN...From 8 PM this evening to 1 PM AKDT Friday. Greatest
  snowfall rates after midnight.

* IMPACTS...Low visibility in heavy snow.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A warning means that a winter storm is already occurring or
imminent. This storm could pose a threat to life and property.

&&

$$

AKZ019-020-182145-
/O.EXB.PAJK.WW.Y.0025.210319T0600Z-210319T2100Z/
Haines Borough and Lynn Canal-Glacier Bay-
Including the cities of Haines and Gustavus
545 AM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 10 PM THIS EVENING TO
1 PM AKDT FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 inches.

* WHERE...Haines Borough and Gustavus.

* WHEN...From 10 PM this evening to 1 PM AKDT Friday.

* IMPACTS...Reduced visibility. The hazardous conditions could 
  impact the morning commute.

* ADDITIONAL DETAILS...Snow showers will cause highly variable
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

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

&&

$$

AKZ023-025-182145-
/O.EXB.PAJK.WW.Y.0025.210319T0900Z-210320T0300Z/
Cape Decision to Salisbury Sound Coastal Area-
Juneau Borough and Northern Admiralty Island-
Including the cities of Sitka, Port Alexander, and Juneau
545 AM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 7 PM AKDT
FRIDAY...

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

* WHERE...Sitka and Juneau areas.

* WHEN...From 1 AM to 7 PM AKDT Friday.

* IMPACTS...Travel could be difficult due to reduced visibility. 
  The hazardous conditions could impact the morning or evening 
  commute.

* ADDITIONAL DETAILS...Snow showers will cause highly variable
  snowfall rates and amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. 

&&

$$

AKZ017-182145-
/O.EXT.PAJK.WW.Y.0025.210318T1345Z-210319T1300Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
545 AM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM AKDT FRIDAY...

* WHAT...Snow expected. Total 24 hour snow accumulation of 6 to 9
  inches.

* WHERE...Yakutat area.

* WHEN...Until 5 AM AKDT Friday. Greatest snowfall rates expected
  Thursday afternoon and evening.

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

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

http://www.weather.gov/juneau
4 follow-up statements
625 
WWAK47 PAJK 182021
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
1221 PM AKDT Thu Mar 18 2021

AKZ022-190600-
/O.CON.PAJK.WS.W.0020.210319T0400Z-210319T2100Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Including the cities of Elfin Cove and Pelican
1221 PM AKDT Thu Mar 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT FROM 8 PM THIS EVENING
TO 1 PM AKDT FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 5 to 8 
  inches.

* WHERE...Elfin Cove and Pelican.

* WHEN...From 8 PM this evening to 1 PM AKDT Friday. Greatest 
  snowfall rates after midnight.

* IMPACTS...Low visibility in heavy snow.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A warning means that a winter storm is already occurring or
imminent. This storm could pose a threat to life and property.

&&

$$

AKZ017-190600-
/O.CON.PAJK.WW.Y.0025.000000T0000Z-210319T1300Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
1221 PM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM AKDT
FRIDAY...

* WHAT...Snow expected. Total snow accumulation Thursday through
  Thursday night of 6 to 9 inches.

* WHERE...Yakutat area.

* WHEN...Until 5 AM AKDT Friday. Greatest snowfall rates 
  expected Thursday afternoon and evening.

* IMPACTS...Travel could be very difficult. 

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

AKZ019-020-190600-
/O.CON.PAJK.WW.Y.0025.210319T0600Z-210319T2100Z/
Haines Borough and Lynn Canal-Glacier Bay-
Including the cities of Haines and Gustavus
1221 PM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS
EVENING TO 1 PM AKDT FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

* WHERE...Haines Borough and Gustavus.

* WHEN...From 10 PM this evening to 1 PM AKDT Friday.

* IMPACTS...Reduced visibility. 

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ023-025-190600-
/O.CON.PAJK.WW.Y.0025.210319T0900Z-210320T0300Z/
Cape Decision to Salisbury Sound Coastal Area-
Juneau Borough and Northern Admiralty Island-
Including the cities of Sitka, Port Alexander, and Juneau
1221 PM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM
AKDT FRIDAY...

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

* WHERE...Sitka and Juneau areas.

* WHEN...From 1 AM to 7 PM AKDT Friday.

* IMPACTS...Travel could be difficult due to reduced visibility.
  The hazardous conditions could impact the morning and evening 
  commute.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates and amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

http://www.weather.gov/juneau
382 
WWAK47 PAJK 190541
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
941 PM AKDT Thu Mar 18 2021

AKZ022-191300-
/O.CON.PAJK.WS.W.0020.000000T0000Z-210319T2100Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Including the cities of Elfin Cove and Pelican
941 PM AKDT Thu Mar 18 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM AKDT
FRIDAY...

* WHAT...Heavy snow expected. Total snow accumulations of 5 to 8 
  inches.

* WHERE...Elfin Cove and Pelican.

* WHEN...Now through 1 PM AKDT Friday. Greatest snowfall rates 
  after midnight.

* IMPACTS...Low visibility in heavy snow.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A warning means that a winter storm is already occurring or
imminent. This storm could pose a threat to life and property.

&&

$$

AKZ019-020-191300-
/O.CON.PAJK.WW.Y.0025.210319T0600Z-210319T2100Z/
Haines Borough and Lynn Canal-Glacier Bay-
Including the cities of Haines and Gustavus
941 PM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM AKDT
FRIDAY...

* WHAT...Snow expected. Total snow accumulations of 3 to 5 
  inches.

* WHERE...Haines Borough and Gustavus.

* WHEN...From 10 PM this evening to 1 PM AKDT Friday.

* IMPACTS...Reduced visibility.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

AKZ017-191300-
/O.CON.PAJK.WW.Y.0025.000000T0000Z-210319T1300Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
941 PM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM AKDT
FRIDAY...

* WHAT...Snow expected. Total snow accumulation of 6 to 9 inches.

* WHERE...Yakutat area.

* WHEN...Until 5 AM AKDT Friday. Greatest snowfall rates 
  expected Thursday afternoon and evening.

* IMPACTS...Travel could be very difficult.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

AKZ023-025-191300-
/O.CON.PAJK.WW.Y.0025.210319T0900Z-210320T0300Z/
Cape Decision to Salisbury Sound Coastal Area-
Juneau Borough and Northern Admiralty Island-
Including the cities of Sitka, Port Alexander, and Juneau
941 PM AKDT Thu Mar 18 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 1 AM TO 7 PM
AKDT FRIDAY...

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

* WHERE...Sitka and Juneau areas.

* WHEN...From 1 AM to 7 PM AKDT Friday.

* IMPACTS...Travel could be difficult due to reduced visibility. 
  The hazardous conditions could impact the morning and evening 
  commute.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates and amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

http://www.weather.gov/juneau
393 
WWAK47 PAJK 191244
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
444 AM AKDT Fri Mar 19 2021


AKZ017-191345-
/O.EXP.PAJK.WW.Y.0025.000000T0000Z-210319T1300Z/
Cape Fairweather to Cape Suckling Coastal Area-
Including the city of Yakutat
444 AM AKDT Fri Mar 19 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 5 AM AKDT EARLY THIS
MORNING...

Main bands of snow showers have moves over the area early this
morning. Remaining scattered showers will end later in the
morning. This will be the final statement on this event.


$$

AKZ022-192100-
/O.CON.PAJK.WS.W.0020.000000T0000Z-210319T2100Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Including the cities of Elfin Cove and Pelican
444 AM AKDT Fri Mar 19 2021

...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 1 PM AKDT THIS
AFTERNOON...

* WHAT...Heavy snow expected. New snow accumulation of 1 to 4
  inches. Total snow accumulations of 5 to 8 inches.

* WHERE...Elfin Cove and Pelican.

* WHEN...Through 1 PM AKDT Friday. Snow will diminish through the
  afternoon.

* IMPACTS...Low visibility in heavy snow.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A warning means that a winter storm is already occurring or
imminent. This storm could pose a threat to life and property.

&&

$$

AKZ023-025-192100-
/O.CON.PAJK.WW.Y.0025.000000T0000Z-210320T0300Z/
Cape Decision to Salisbury Sound Coastal Area-
Juneau Borough and Northern Admiralty Island-
Including the cities of Sitka, Port Alexander, and Juneau
444 AM AKDT Fri Mar 19 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 7 PM AKDT THIS
EVENING...

* WHAT...Snow expected. New snow accumulations of 2 to 5 inches.

* WHERE...Sitka and Juneau areas.

* WHEN...Until 7 PM AKDT Friday.

* IMPACTS...Travel could be difficult due to reduced visibility. 

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates and amounts.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

&&

$$

AKZ019-020-192100-
/O.CON.PAJK.WW.Y.0025.000000T0000Z-210319T2100Z/
Haines Borough and Lynn Canal-Glacier Bay-
Including the cities of Haines and Gustavus
444 AM AKDT Fri Mar 19 2021

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 1 PM AKDT THIS
AFTERNOON...

* WHAT...Snow expected. New snow accumulations of 1 to 3 inches.

* WHERE...Haines Borough and Gustavus.

* WHEN...Until 1 PM AKDT Friday.

* IMPACTS...Reduced visibility.

* ADDITIONAL DETAILS...Snow showers will cause highly variable 
  snowfall rates.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling.

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

&&

$$

http://www.weather.gov/juneau
646 
WWAK47 PAJK 192047
WSWAJK

URGENT - WINTER WEATHER MESSAGE
National Weather Service Juneau AK
1247 PM AKDT Fri Mar 19 2021

AKZ022-192200-
/O.EXP.PAJK.WS.W.0020.000000T0000Z-210319T2100Z/
Salisbury Sound to Cape Fairweather Coastal Area-
Including the cities of Elfin Cove and Pelican
1247 PM AKDT Fri Mar 19 2021

...WINTER STORM WARNING WILL EXPIRE AT 1 PM AKDT THIS AFTERNOON...

Overnight snow accumulation of around 6.2 inches reported at
Pelican. Snow showers are still in the area, but at a lower
intensity and frequency then earlier. Little in the way of
additional accumulation expected.

$$

AKZ023-025-192200-
/O.CAN.PAJK.WW.Y.0025.000000T0000Z-210320T0300Z/
Cape Decision to Salisbury Sound Coastal Area-
Juneau Borough and Northern Admiralty Island-
Including the cities of Sitka, Port Alexander, and Juneau
1247 PM AKDT Fri Mar 19 2021

...WINTER WEATHER ADVISORY IS CANCELLED...

Snow showers have diminished in intensity and frequency over the
course of the day. Additional snow accumulations will likely be
less then 1 inch.

$$

AKZ019-020-192200-
/O.EXP.PAJK.WW.Y.0025.000000T0000Z-210319T2100Z/
Haines Borough and Lynn Canal-Glacier Bay-
Including the cities of Haines and Gustavus
1247 PM AKDT Fri Mar 19 2021

...WINTER WEATHER ADVISORY WILL EXPIRE AT 1 PM AKDT THIS
AFTERNOON...

Snow showers have diminished in intensity and frequency over the
course of the day. Additional snow accumulations will likely be
less then 1 inch.

$$

http://www.weather.gov/juneau

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 18, 3:46 AM AKDTSmall Craft AdvisoryAJK12 days
Mar 18, 3:57 PM AKDTSmall Craft AdvisoryAJK12 hr
Mar 18, 3:57 PM AKDTSmall Craft AdvisoryAJK12 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.