Alert archive / Alaska / Storm Warnings in 2017

Storm Warning 39, NWS Anchorage, AK

February 20, 2017

NWS Anchorage, AK issued this storm warning at Feb 20, 2017, 3:26 PM AKST. It was in force for 37 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
Feb 20, 2017, 3:26 PM AKST (00:26 UTC)
Expired
Feb 22, 2017, 4:01 AM AKST
In force
37 hr
Issued by
NWS Anchorage, AK

The text

As transmitted.

546 
FZAK62 PAFC 210026
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
326 PM AKST MON FEB 20 2017

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-211415-
326 PM AKST MON FEB 20 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 956 MB LOW AT 54N
173E WILL MOVE TO 53N 163E TUE...THEN MERGE WITH A 956 MB LOW
NEAR 53N 169E TUE EVENING. THIS LOW WILL THEN MOVE TO 54N 168E AT
954 MB WED AFTERNOON. AN ASSOCIATED FRONT OVER THE CENTRAL BERING
WILL MOVE ONSHORE OVER SOUTHWEST ALASKA TUE AFTERNOON.

$$

PKZ411-211415-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
326 PM AKST MON FEB 20 2017

...STORM WARNING TONIGHT AND TUESDAY NIGHT...

.TONIGHT...SE WIND 35 TO 50 KT. SEAS 20 TO 29 FT. SNOW WITH RAIN.
.TUE...SE WIND 25 TO 40 KT. SEAS 16 TO 23 FT. SNOW.
.TUE NIGHT...E WIND 35 TO 50 KT. SEAS 16 TO 25 FT. SNOW AND RAIN.
.WED...S WIND 30 TO 45 KT. SEAS 19 TO 24 FT.
.WED NIGHT...S WIND 30 TO 45 KT. SEAS 20 TO 29 FT.
.THU THROUGH FRI...SE WIND 30 TO 45 KT. SEAS 16 TO 27 FT.
.SAT...S WIND 25 TO 35 KT. SEAS 14 TO 22 FT.

$$

PKZ412-211415-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
326 PM AKST MON FEB 20 2017

...GALE WARNING THROUGH TUESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING THROUGH TUESDAY NIGHT...

.TONIGHT...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING
SPRAY. SNOW.
.TUE...E WIND 30 TO 45 KT. SEAS 15 TO 23 FT. HEAVY FREEZING SPRAY
N OF 58N. SNOW.
.TUE NIGHT...E WIND 30 TO 45 KT. SEAS 12 TO 19 FT. HEAVY FREEZING
SPRAY N OF 58N. SNOW AND RAIN.
.WED...SE WIND 30 TO 45 KT. SEAS 12 TO 20 FT.
.WED NIGHT...S WIND 20 TO 30 KT. SEAS 16 TO 20 FT.
.THU THROUGH SAT...S WIND 25 TO 40 KT. SEAS 15 TO 27 FT.

$$

PKZ413-211415-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
326 PM AKST MON FEB 20 2017

...GALE WARNING TONIGHT AND TUESDAY NIGHT...

.TONIGHT...S WIND 25 TO 40 KT BECOMING SW 10 TO 25 KT AFTER
MIDNIGHT. SEAS 13 TO 21 FT. SNOW.
.TUE...S WIND 15 TO 30 KT. SEAS 13 TO 18 FT.
.TUE NIGHT...SE WIND 20 TO 35 KT BECOMING S 30 TO 40 KT AFTER
MIDNIGHT. SEAS 13 TO 19 FT. RAIN.
.WED...S WIND 30 TO 40 KT. SEAS 16 TO 21 FT.
.WED NIGHT...S WIND 25 TO 40 KT. SEAS 13 TO 21 FT.
.THU THROUGH SAT...S WIND 30 TO 45 KT. SEAS 13 TO 27 FT.

$$

PKZ414-211415-
BERING SEA OFFSHORE EAST OF 171W-
326 PM AKST MON FEB 20 2017

...GALE WARNING THROUGH TUESDAY...

.TONIGHT...E WIND 30 TO 45 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
FREEZING SPRAY. SNOW.
.TUE...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
SNOW.
.TUE NIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 4 TO 9
FT.
.WED...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 7 TO 12 FT.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 7 TO 12
FT.
.THU THROUGH SAT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 7
TO 12 FT.

$$
3 follow-up statements
990 
FZAK62 PAFC 211253
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
353 AM AKST TUE FEB 21 2017

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-220215-
353 AM AKST TUE FEB 21 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A FRONT OVER THE
EASTERN BERING WEAKENS AS IT MOVES INTO SOUTHWEST ALASKA THIS
AFTERNOON. A 964 MB LOW NEAR 49N 169E MIDDAY TODAY MOVES TO 53N
167E AT 947 MB EARLY WED MORNING...THEN MOVES TO 56N 170E AT 960
MB LATE WED NIGHT.

$$

PKZ411-220215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
353 AM AKST TUE FEB 21 2017

...STORM WARNING TONIGHT...

.TODAY...SE WIND 25 TO 40 KT. SEAS 16 TO 23 FT.
.TONIGHT...SE WIND 35 TO 50 KT. SEAS 17 TO 23 FT. SNOW AND RAIN.
.WED...S WIND 30 TO 40 KT. SEAS 20 TO 25 FT.
.WED NIGHT...S WIND 30 TO 45 KT. SEAS 20 TO 29 FT.
.THU...S WIND 30 TO 45 KT. SEAS 17 TO 29 FT.
.FRI...SE WIND 25 TO 40 KT. SEAS 16 TO 30 FT.
.SAT...SW WIND 20 TO 35 KT. SEAS 15 TO 23 FT.

$$

PKZ412-220215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
353 AM AKST TUE FEB 21 2017

...GALE WARNING THROUGH WEDNESDAY...

.TODAY...E WIND 25 TO 40 KT. SEAS 14 TO 22 FT. FREEZING SPRAY.
.TONIGHT...E WIND 25 TO 40 KT. SEAS 12 TO 18 FT. FREEZING SPRAY IN
THE EVENING. SNOW AND RAIN.
.WED...SE WIND 25 TO 40 KT. SEAS 12 TO 20 FT. RAIN AND SNOW.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 15 TO 20 FT.
.THU THROUGH SAT...S WIND 25 TO 40 KT. SEAS 15 TO 26 FT.

$$

PKZ413-220215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
353 AM AKST TUE FEB 21 2017

...GALE WARNING TONIGHT AND WEDNESDAY...

.TODAY...S WIND 15 TO 30 KT. SEAS 12 TO 17 FT.
.TONIGHT...SE WIND 20 TO 35 KT BECOMING S 30 TO 40 KT AFTER
MIDNIGHT. SEAS 12 TO 19 FT. RAIN AND SNOW.
.WED...S WIND 35 KT BECOMING 25 TO 40 KT IN THE AFTERNOON. SEAS
15 TO 22 FT. RAIN.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.THU THROUGH FRI...S WIND 30 TO 45 KT. SEAS 15 TO 23 FT.
.SAT...S WIND 15 TO 30 KT. SEAS 13 TO 21 FT.

$$

PKZ414-220215-
BERING SEA OFFSHORE EAST OF 171W-
353 AM AKST TUE FEB 21 2017

...GALE WARNING TODAY AND WEDNESDAY...

.TODAY...E WIND 30 TO 45 KT BECOMING SW 15 TO 30 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 5 TO 10 FT. SNOW.
.TONIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 4 TO 9 FT.
.WED...S WIND 15 TO 30 KT INCREASING TO 25 TO 40 KT IN THE
AFTERNOON. SEAS IN ICE FREE WATERS 6 TO 11 FT.
.WED NIGHT...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 7 TO 12
FT.
.THU THROUGH SAT...S WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 6
TO
11 FT.

$$
262 
FZAK62 PAFC 220031
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
331 PM AKST TUE FEB 21 2017

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-221515-
331 PM AKST TUE FEB 21 2017
.SYNOPSIS FOR CENTRAL BERING SEA...
BOGOSLOF VOLCANO AT 54N 168W REMAINS ACTIVE. A 963 MB LOW AT 51N
170E WILL MOVE TO 54N 169E AT 955 MB WED AFTERNOON...THEN MOVE TO
59N 174E AT 974 MB THU AFTERNOON. AN ASSOCIATED FRONT OVER THE
WESTERN ALEUTIANS WILL MOVE TO THE CENTRAL BERING WED AND MOVE
INLAND OVER SOUTHWEST ALASKA THU MORNING.

$$

PKZ411-221515-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
331 PM AKST TUE FEB 21 2017

...STORM WARNING TONIGHT...

.TONIGHT...E WIND 35 TO 50 KT. SEAS 16 TO 24 FT. SNOW AND RAIN.
.WED...S WIND 30 TO 45 KT. SEAS 19 TO 24 FT.
.WED NIGHT...S WIND 30 TO 40 KT. SEAS 20 TO 29 FT. SNOW AND 
RAIN SHOWERS.
.THU...S WIND 40 KT. SEAS 23 TO 29 FT.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 16 TO 26 FT.
.FRI THROUGH SAT...SW WIND 25 TO 40 KT. SEAS 15 TO 30 FT.
.SUN...SW WIND 15 TO 25 KT. SEAS 9 TO 15 FT.

$$

PKZ412-221515-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
331 PM AKST TUE FEB 21 2017

...GALE WARNING THROUGH WEDNESDAY NIGHT...
...HEAVY FREEZING SPRAY WARNING TONIGHT...

.TONIGHT...E WIND 20 TO 35 KT INCREASING TO 30 TO 45 KT AFTER
MIDNIGHT. SEAS 11 TO 19 FT. HEAVY FREEZING SPRAY N OF 58N. SNOW.
.WED...SE WIND 25 TO 40 KT. SEAS 11 TO 19 FT. RAIN AND SNOW.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 15 TO 19 FT.
.THU...S WIND 25 TO 35 KT. SEAS 15 TO 25 FT.
.THU NIGHT...S WIND 30 KT. SEAS 18 TO 25 FT.
.FRI THROUGH SAT...S WIND 25 TO 40 KT. SEAS 16 TO 26 FT.
.SUN...SW WIND 25 KT. SEAS 11 TO 16 FT.

$$

PKZ413-221515-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
331 PM AKST TUE FEB 21 2017

...GALE WARNING THROUGH WEDNESDAY NIGHT...

.TONIGHT...SE WIND 20 TO 35 KT BECOMING S 30 TO 40 KT AFTER
MIDNIGHT. SEAS 12 TO 18 FT. RAIN AND SNOW.
.WED...S WIND 25 TO 40 KT. SEAS 15 TO 21 FT. RAIN.
.WED NIGHT...S WIND 20 TO 35 KT. SEAS 14 TO 22 FT.
.THU...S WIND 25 TO 35 KT. SEAS 14 TO 22 FT.
.THU NIGHT...SW WIND 20 TO 30 KT. SEAS 16 TO 23 FT.
.FRI...S WIND 30 TO 45 KT. SEAS 16 TO 25 FT.
.SAT...S WIND 15 TO 30 KT. SEAS 13 TO 21 FT.
.SUN...SW WIND 10 TO 20 KT. SEAS 9 TO 13 FT.

$$

PKZ414-221515-
BERING SEA OFFSHORE EAST OF 171W-
331 PM AKST TUE FEB 21 2017

...GALE WARNING WEDNESDAY AND WEDNESDAY NIGHT...

.TONIGHT...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 4 TO 9 FT.
.WED...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
.WED NIGHT...S WIND 30 TO 40 KT DIMINISHING TO 20 TO 35 KT AFTER
MIDNIGHT. SEAS IN ICE FREE WATERS 8 TO 13 FT. RAIN AND SNOW.
.THU...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.THU NIGHT...SW WIND UP TO 20 KT. SEAS IN ICE FREE WATERS 5 TO
10 FT.
.FRI THROUGH SUN...SW WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 6
TO 11 FT.

$$
949 
FZAK62 PAFC 221301
OFFALU

OFFSHORE WATERS FORECAST
NATIONAL WEATHER SERVICE ANCHORAGE AK
401 AM AKST WED FEB 22 2017

OFFSHORE WATERS FORECAST FOR THE BERING SEA

WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION
EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST
ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT.

PKZ499-230215-
401 AM AKST WED FEB 22 2017
.SYNOPSIS FOR CENTRAL BERING SEA...BOGOSLOF VOLCANO AT 54N 168W
 REMAINS ACTIVE. A 948 MB LOW NEAR 55N 168E MOVES TO 56N 173E AT
963 MB LATE TONIGHT...THEN MOVES TO 63N 179W AT 989 MB LATE THU
NIGHT. AN ASSOCIATED FRONT OVER THE CENTRAL BERING MOVES TO THE
EASTERN BERING TONIGHT...THEN WEAKENS AS IT MOVES INTO ALASKA.
ANOTHER STRONG FRONT MOVES INTO THE WESTERN ALEUTIANS THU NIGHT.

$$

PKZ411-230215-
BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL
DATELINE-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TODAY...S WIND 30 TO 45 KT. SEAS 19 TO 24 FT.
.TONIGHT...S WIND 30 TO 45 KT. SEAS 19 TO 27 FT.
.THU...SW WIND 35 TO 45 KT. SEAS 21 TO 29 FT.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 15 TO 23 FT.
.FRI...S WIND 35 TO 50 KT. SEAS 16 TO 31 FT.
.SAT...SW WIND 25 TO 40 KT. SEAS 14 TO 29 FT.
.SUN...SW WIND 15 TO 25 KT. SEAS 9 TO 13 FT.

$$

PKZ412-230215-
BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TODAY...SE WIND 30 TO 45 KT. SEAS 12 TO 20 FT. RAIN AND SNOW.
.TONIGHT...S WIND 25 TO 40 KT. SEAS 16 TO 19 FT.
.THU...S WIND 25 TO 40 KT. SEAS 16 TO 26 FT.
.THU NIGHT...SW WIND 25 TO 35 KT. SEAS 18 TO 26 FT.
.FRI THROUGH SAT...SW WIND 30 TO 45 KT. SEAS 15 TO 28 FT.
.SUN...W WIND 15 TO 25 KT. SEAS 10 TO 14 FT.

$$

PKZ413-230215-
BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH THURSDAY...

.TODAY...S WIND 25 TO 40 KT. SEAS 16 TO 22 FT. RAIN.
.TONIGHT...S WIND 25 TO 40 KT. SEAS 14 TO 22 FT.
.THU...SW WIND 25 TO 35 KT. SEAS 16 TO 24 FT.
.THU NIGHT...SW WIND 20 TO 30 KT. SEAS 16 TO 23 FT.
.FRI THROUGH SAT...SW WIND 30 TO 45 KT. SEAS 13 TO 27 FT.
.SUN...NW WIND 10 TO 20 KT. SEAS 8 TO 12 FT.

$$

PKZ414-230215-
BERING SEA OFFSHORE EAST OF 171W-
401 AM AKST WED FEB 22 2017

...GALE WARNING THROUGH TONIGHT...

.TODAY...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 6 TO 11 FT.
RAIN AND SNOW.
.TONIGHT...S WIND 25 TO 40 KT. SEAS IN ICE FREE WATERS 8 TO 13 FT.
.THU...S WIND 15 TO 30 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.
.THU NIGHT...SW WIND 10 TO 20 KT. SEAS IN ICE FREE WATERS 5 TO
10 FT.
.FRI THROUGH SAT...SW WIND 20 TO 35 KT. SEAS IN ICE FREE WATERS 8
TO
13 FT.
.SUN...W WIND 15 TO 25 KT. SEAS IN ICE FREE WATERS 5 TO 10 FT.

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Feb 20, 3:26 PM AKSTGale WarningAFC5 days
Feb 20, 3:26 PM AKSTGale WarningAFC61 hr
Feb 20, 3:27 PM AKSTSmall Craft AdvisoryAFC48 hr
Feb 20, 3:40 PM AKSTBlizzard WatchAFC13 hr
Feb 21, 3:58 AM AKSTBrisk Wind AdvisoryAFC72 hr
Feb 21, 3:58 AM AKSTSmall Craft AdvisoryAFC48 hr
Feb 21, 3:58 AM AKSTStorm WarningAFC12 hr
Feb 21, 3:59 AM AKSTGale WarningAFC36 hr
Feb 21, 4:01 AM AKSTGale WarningAFC35 hr
Feb 21, 4:01 AM AKSTSmall Craft AdvisoryAFC35 hr
Feb 21, 4:01 AM AKSTHeavy Freezing Spray WarningAFC12 hr
Feb 21, 4:17 AM AKSTWinter Weather AdvisoryAFC24 hr
Feb 21, 4:52 AM AKSTWinter Weather AdvisoryAFC30 hr
Feb 21, 10:35 AM AKSTBlizzard WarningAFC10 hr

Nearby

Storm Warnings in Alaska, 2017Every storm warning in 2017

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.