Alaska, 2023

Winter Storm in Alaska, October 5 to 6, 2023

October 5 to 6, 2023 · NWS AFG · 1 event in 1 county or zone

A warm front moving north over the Alaska Range brought freezing rain to the Upper Tanana Valley.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

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The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

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 warm front moving north over the Alaska Range brought freezing rain to the Upper Tanana Valley.

The radar

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

Open the radar archive at this moment

Event by event

1 winter storm. Local standard time, as filed.

Winter Storm, Upper Tanana Valley

When
October 5, 9:47 PM AKST to October 6, 3:38 AM AKST
Where
Upper Tanana Valley forecast zone
Reported by
COOP Observer
Coordinates
63.751, -143.251 (the zone’s center; the record gives no point)

Freezing rain was reported at several locations in the Upper Tanana Valley the evening of the 5th. 0.125 inches of ice accumulated on flat surfaces at Robertson River as reported by the NWS COOP Observer. The automated weather station at Northway reported a mixture of rain, freezing rain and ice pellets during the event.

What these are

Winter Storm
A storm that brought snow, sleet or freezing rain at warning levels, usually over several hours or days.

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

The same day elsewhere

More

Every storm in Alaska in 2023Every state in 2023This day in weather historyWarnings in Alaska, October 2023

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 2026-10-01. Each event’s entry at NCEI: 1144692.