Alert archive / Alaska / High Wind Warnings in 2025

High Wind Warning 6, NWS Anchorage, AK

March 23, 2025Aleutians East Borough, Alaska

NWS Anchorage, AK issued this high wind warning at Mar 23, 2025, 4:37 AM AKDT for Aleutians East Borough, Alaska. It was in force for 5 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 23, 2025, 4:37 AM AKDT (12:37 UTC)
Expired
Mar 23, 2025, 10:00 AM AKDT
In force
5 hr
Issued by
NWS Anchorage, AK

County Aleutians East Borough, AK

The nearest sounding before it

Cold Bay, (PCDB), launched 12:00Z, 0.6 hours before the alert went out and 60 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Cold Bay, at 12:00Z on 2025-03-23Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Cold Bay, at 12:00Z on 2025-03-23The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -84 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
818 m above ground
0-6 km bulk shear
1 kt
0-1 km storm-relative helicity
-84 m²/s²
0-3 km storm-relative helicity
-46 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

178 
WWAK72 PAFC 231237
NPWALU

URGENT - WEATHER MESSAGE
National Weather Service Anchorage AK
437 AM AKDT Sun Mar 23 2025

AKZ781-231800-
/O.NEW.PAFC.HW.W.0006.250323T1237Z-250323T1800Z/
Southern Alaska Peninsula-
Including the cities of False Pass, Sand Point, and Cold Bay
437 AM AKDT Sun Mar 23 2025

...HIGH WIND WARNING IN EFFECT UNTIL 10 AM AKDT THIS MORNING...

* WHAT...North winds 45 to 55 mph with gusts up to 75 mph.

* WHERE...Pacific-side of the Southern Alaska Peninsula.

* WHEN...Until 10 AM AKDT this morning.

* IMPACTS...High winds may move loose debris, damage property, and 
  cause power outages. Travel will be difficult.

* ADDITIONAL DETAILS...Localized gusts to 70 mph have been observed 
  in King Cove and are expected to continue near communities that 
  experience strong northerly gap winds. Wind speeds are expected to 
  remain strong through the early morning, and begin to diminish 
  later this morning.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

People are urged to secure loose objects that could be blown around 
or damaged by the wind. Prepare for the possibility of widespread 
power outages. Use caution if you must drive.

&&

$$

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 23, 2:47 AM AKDTSmall Craft AdvisoryAFC26 hr
Mar 23, 4:08 AM AKDTGale WarningAFC47 hr
Mar 23, 4:08 AM AKDTSmall Craft AdvisoryAFC59 hr
Mar 23, 3:07 PM AKDTSmall Craft AdvisoryAFC48 hr
Mar 23, 3:22 PM AKDTSmall Craft AdvisoryAFC13 hr

Nearby

High Wind Warnings in Alaska, 2025Every high wind warning in 2025

Sources

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