Alert archive / Alaska / Frost Advisories in 2021

Frost Advisory 4, NWS Juneau, AK

May 17, 2021

NWS Juneau, AK issued this frost advisory at May 17, 2021, 3:37 PM AKDT. It took effect at May 18, 2021, 12:00 AM AKDT. It was in force for 8 hr.

The area

The counties it named.

The facts

Issued
May 17, 2021, 3:37 PM AKDT (23:37 UTC)
In effect from
May 18, 2021, 12:00 AM AKDT
Expired
May 18, 2021, 8:00 AM AKDT
In force
8 hr
Issued by
NWS Juneau, AK

The text

As transmitted.

902 
WWAK77 PAJK 172337
NPWAJK

URGENT - WEATHER MESSAGE
National Weather Service Juneau AK
337 PM AKDT Mon May 17 2021

AKZ021-025>028-180700-
/O.NEW.PAJK.FR.Y.0004.210518T0800Z-210518T1600Z/
Eastern Chichagof Island-
Juneau Borough and Northern Admiralty Island-
Inner Channels from Kupreanof Island to Etolin Island-
Dixon Entrance to Cape Decision Coastal Area-
Southern Inner Channels-
Including the cities of Hoonah, Juneau, Petersburg, Wrangell, 
Kake, Craig, Klawock, Ketchikan, and Metlakatla
337 PM AKDT Mon May 17 2021

...FROST ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM AKDT
TUESDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Hoonah, Mendenhall Valley, Kake, Petersburg, Klawock,
  Whale Pass, interior valleys and along the road system on Prince
  of Wales Island.

* WHEN...From midnight tonight to 8 AM AKDT Tuesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if left
  uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ajk
4 follow-up statements
904 
WWAK77 PAJK 180622
NPWAJK

URGENT - WEATHER MESSAGE
National Weather Service Juneau AK
1022 PM AKDT Mon May 17 2021

AKZ021-025>028-181430-
/O.CON.PAJK.FR.Y.0004.210518T0800Z-210518T1600Z/
Eastern Chichagof Island-
Juneau Borough and Northern Admiralty Island-
Inner Channels from Kupreanof Island to Etolin Island-
Dixon Entrance to Cape Decision Coastal Area-
Southern Inner Channels-
Including the cities of Hoonah, Juneau, Petersburg, Wrangell, 
Kake, Craig, Klawock, Ketchikan, and Metlakatla
1022 PM AKDT Mon May 17 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM AKDT TUESDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Hoonah, Mendenhall Valley, Kake, Petersburg, Klawock, 
  Whale Pass, interior valleys and along the road system on 
  Prince of Wales Island.

* WHEN...From midnight tonight to 8 AM AKDT Tuesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ajk
593 
WWAK77 PAJK 180632
NPWAJK

URGENT - WEATHER MESSAGE
National Weather Service Juneau AK
1032 PM AKDT Mon May 17 2021

AKZ021-025>028-181600-
/O.CON.PAJK.FR.Y.0004.210518T0800Z-210518T1600Z/
Eastern Chichagof Island-
Juneau Borough and Northern Admiralty Island-
Inner Channels from Kupreanof Island to Etolin Island-
Dixon Entrance to Cape Decision Coastal Area-
Southern Inner Channels-
Including the cities of Hoonah, Juneau, Petersburg, Wrangell, 
Kake, Craig, Klawock, Ketchikan, and Metlakatla
1032 PM AKDT Mon May 17 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM AKDT TUESDAY...

* WHAT...Temperatures as low as 33 will result in frost 
  formation.

* WHERE...Hoonah, Mendenhall Valley, Kake, Petersburg, Klawock, 
  Whale Pass, interior valleys and along the road system on 
  Prince of Wales Island.

* WHEN...From midnight tonight to 8 AM AKDT Tuesday.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ajk
460 
WWAK77 PAJK 180902
NPWAJK

URGENT - WEATHER MESSAGE
National Weather Service Juneau AK
102 AM AKDT Tue May 18 2021

AKZ027-181600-
/O.NEW.PAJK.FG.Y.0004.210518T0902Z-210518T1600Z/
/O.CON.PAJK.FR.Y.0004.000000T0000Z-210518T1600Z/
Dixon Entrance to Cape Decision Coastal Area-
Including the cities of Craig and Klawock
102 AM AKDT Tue May 18 2021

...DENSE FOG ADVISORY IN EFFECT UNTIL 8 AM AKDT THIS MORNING...
...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM AKDT THIS
MORNING...

* WHAT...For the Frost Advisory, temperatures as low as 37 will
  result in frost formation. For the Dense Fog Advisory,
  visibility one quarter mile or less in dense fog.

* WHERE...Dixon Entrance to Cape Decision Coastal Area County.
  Dense fog impacting Klawock. 

* WHEN...Until 8 AM AKDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered. Hazardous driving conditions due to low 
  visibility.

* ADDITIONAL DETAILS...Low visibility in dense fog may make 
  travel hazardous.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.

&&

$$

AKZ021-025-026-028-181600-
/O.CON.PAJK.FR.Y.0004.000000T0000Z-210518T1600Z/
Eastern Chichagof Island-
Juneau Borough and Northern Admiralty Island-
Inner Channels from Kupreanof Island to Etolin Island-
Southern Inner Channels-
Including the cities of Hoonah, Juneau, Petersburg, Wrangell, 
Kake, Ketchikan, and Metlakatla
102 AM AKDT Tue May 18 2021

...FROST ADVISORY REMAINS IN EFFECT UNTIL 8 AM AKDT THIS
MORNING...

* WHAT...Temperatures as low as 30 will result in frost 
  formation.

* WHERE...Inner Channels from Kupreanof Island to Etolin Island, 
  Juneau Borough and Northern Admiralty Island, Southern Inner 
  Channels and Eastern Chichagof Island Counties.

* WHEN...Until 8 AM AKDT this morning.

* IMPACTS...Frost could kill sensitive outdoor vegetation if 
  left uncovered.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Take steps now to protect tender plants from the cold.

&&

$$

For more information from the National Weather Service visit
https://weather.gov/ajk
015 
WWAK77 PAJK 181609
NPWAJK

URGENT - WEATHER MESSAGE
National Weather Service Juneau AK
809 AM AKDT Tue May 18 2021

AKZ027-181715-
/O.EXP.PAJK.FG.Y.0004.000000T0000Z-210518T1600Z/
/O.EXP.PAJK.FR.Y.0004.000000T0000Z-210518T1600Z/
Dixon Entrance to Cape Decision Coastal Area-
Including the cities of Craig and Klawock
809 AM AKDT Tue May 18 2021

...DENSE FOG ADVISORY HAS EXPIRED...
...FROST ADVISORY HAS EXPIRED...

Temperatures have warmed over the last hour. And fog has
dissipated.

$$

AKZ021-025-026-028-181715-
/O.EXP.PAJK.FR.Y.0004.000000T0000Z-210518T1600Z/
Eastern Chichagof Island-
Juneau Borough and Northern Admiralty Island-
Inner Channels from Kupreanof Island to Etolin Island-
Southern Inner Channels-
Including the cities of Hoonah, Juneau, Petersburg, Wrangell, 
Kake, Ketchikan, and Metlakatla
809 AM AKDT Tue May 18 2021

...FROST ADVISORY HAS EXPIRED...

Temperatures have warmed across the Juneau area.  

$$

For more information from the National Weather Service visit
https://weather.gov/ajk

The office that day

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

IssuedProductOfficeCountiesLasted
May 17, 4:06 AM AKDTSmall Craft AdvisoryAJK12 hr
May 17, 4:35 AM AKDTDense Fog AdvisoryAJK3 hr

Nearby

Frost Advisories in Alaska, 2021Every frost advisory 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.