Alaska, 2025

Heavy Snow and High Wind in Alaska, January 11 to 12, 2025

January 11 to 12, 2025 · NWS AFG · 4 events in 4 counties and zones

A deep low over the eastern Aleutians in tandem with a strong Siberian high produced string south winds through the interior and Alaska Range while driving a potent front across the Bering and into portions of western Alaska producing locally heavy snowfall.

Where it happened

Every event with a place to put it; 4 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
4

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS AFG wrote it up.

A deep low over the eastern Aleutians in tandem with a strong Siberian high produced string south winds through the interior and Alaska Range while driving a potent front across the Bering and into portions of western Alaska producing locally heavy snowfall.

What forecasters said that day

The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Fairbanks, AK wrote its last area forecast discussion before the first event at Jan 11, 12:23 PM AKST, 9 hours 37 minutes earlier.

Area forecast discussion, Jan 11, 12:23 PM AKST, 9 hours 37 minutes before
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The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

3 high wind, 1 heavy snow. Local standard time, as filed.

High Wind, Northern Denali Borough

When
January 11, 10:00 PM AKST to January 12, 2:00 AM AKST
Where
Northern Denali Borough forecast zone
Measured
63 kt (72 mph) measured gust
Reported by
Department of Highways
Coordinates
63.789, -150.192 (the zone’s center; the record gives no point)

Strong southerly winds blew through Windy Pass reaching a top speed of 72 mph at ACRS2 (Antler Creek) observation tower.

Heavy Snow, Interior Seward Peninsula

When
January 11, 11:00 PM AKST to January 12, 11:00 PM AKST
Where
Interior Seward Peninsula forecast zone
Reported by
SNOTEL
Coordinates
64.833, -163.751 (the zone’s center; the record gives no point)

SNOTEL data from the Seward Peninsula at Paragon Creek reported total snowfall of 8 with additional light snow still falling.

High Wind, Eastern Alaska Range North of Trims Camp

When
January 12, 1:00 AM AKST to 9:00 AM AKST
Where
Eastern Alaska Range North of Trims Camp forecast zone
Measured
75 kt (86 mph) measured gust
Reported by
Mesonet
Coordinates
63.751, -143.251 (the zone’s center; the record gives no point)

Strong gap winds developed through Isabel Pass during the overnight hours with wind speeds near Fort Greely at site OPFA2 peaking at 86 mph during the morning hours.

High Wind, Delta Junction

When
January 12, 1:00 AM AKST to 2:00 AM AKST
Where
Delta Junction forecast zone
Measured
52 kt (60 mph) measured gust
Reported by
Mesonet
Coordinates
63.751, -143.251 (the zone’s center; the record gives no point)

Strong southerly winds through Isabel Pass emerged into the Delta Junction area with a station MGTA2 at the Fort Greely main gate seeing about an hour of wind gusts near 60 mph.

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Alaska in 2025Every state in 2025This day in weather historyWarnings in Alaska, January 2025

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24. Each event’s entry at NCEI: 1236733, 1236749, 1236736, 1236752.