Alaska, 2009

Extreme Cold in Alaska, February 4 to 5, 2009

February 4 to 5, 2009 · NWS AFG · 1 event in 1 county or zone

Temperatures of 20 to 35 below zero combined with a north to northeast wind of 25 to 40 mph to produce wind chills as low as 74 below zero along the Bering Strait coast during the 4th through the morning hours of the 5th. Here are the lowest wind chills that were observed: Tin City AWOS: 74 below|Wales AWIS: 65 below.

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.

Temperatures of 20 to 35 below zero combined with a north to northeast wind of 25 to 40 mph to produce wind chills as low as 74 below zero along the Bering Strait coast during the 4th through the morning hours of the 5th. Here are the lowest wind chills that were observed:

Tin City AWOS: 74 below|Wales AWIS: 65 below.

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 Feb 4, 1:52 AM AKST, 1 hour 3 minutes earlier.

Area forecast discussion, Feb 4, 1:52 AM AKST, 1 hour 3 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
152 AM AKST WED FEB 4 2009

.DISCUSSION...
MODERATION IN TEMPERATURES ALOFT CONTINUES TO BE ON TRACK FOR THE
INTERIOR AND MOST OF THE WEST COAST. A SOUTHWEST FLOW WILL BE
ESTABLISHED OVER THE INTERIOR AND THE SOUTHERN PARTS OF THE WEST
COAST BY THU AFTERNOON.

COLD AIR ALOFT NOW OVER THE INTERIOR WILL BE PUSHED NORTHWARD
AND WESTWARD...BY FRI THE COLDEST AIR WILL BE OVER THE CHUKCHI
SEA...CENTRAL AND NORTHERN BERING SEA...AND CHUKOTKA.

THE MODERATING TEMPERATURES ALOFT...ALONG WITH CLOUD COVER
SPREADING NORTH...SHOULD RESULT IN SOME MODERATION OF
TEMPERATURES AT THE SURFACE TO MORE SEASONABLE NUMBERS.

A 968 MB LOW NORTH OF THE WESTERN ALEUTIANS WILL CONTINUE TO
TRACK TOWARDS THE EAST NORTHEAST...FILLING TO AROUND 980 MB NEAR
DALL POINT BY EARLY FRI MORNING. SNOW WILL DEVELOP OVER AKZ214-
AKZ215-SOUTHERN AKZ216 WED NIGHT...SPREADING TO THE REMAINDER
OF AKZ216-WESTERN AKZ219-WESTERN AKZ221 THU. IN AKZ215...
SNOW ACCUMULATION UP TO 5-7 INCHES POSSIBLE TONIGHT AND THU...
WILL PUT UP WINTER WEATHER ADVISORY FOR SNOW FOR AKZ215.

SOUTH WINDS ARE EXPECTED TO DEVELOP IN ALASKA RANGE PASSES
THIS AFTERNOON...CONTINUING FRI. WIND SPEEDS ARE LIKELY TO
APPROACH OR REACH ADVISORY LEVELS THU IN THE NORMALLY WINDY
AREAS.

WIND ALONG THE ARCTIC COAST ARE EXPECTED TO SLOWLY INCREASE
LATER TODAY THROUGH THU...WITH MOST AREAS REACHING 20 OR 25
MPH BY THU AFTERNOON. WIND CHILL TO -40F OR COLDER IS LIKELY
OVER MOST AREAS OF THE ARCTIC COAST BY THU AFTERNOON AS WIND
SPEEDS INCREASE WITH TEMPERATURES IN THE -15F TO -25F RANGE.

ECMF/GFS MODEL RESULTS BEGIN TO DIVERGE CONSIDERABLY SAT AND
BEYOND. UNCERTAINTY IN THE MEDIUM RANGE OUTLOOK IS ABOVE AVERAGE.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
WIND CHILL ADVISORY FOR AKZ212-AKZ213.

WINTER WEATHER ADVISORY FOR AKZ215.

GALE WARNING FOR PKZ210.

BRISK WIND ADVISORY FOR PKZ200-PKZ210.
&&

RF FEB 09

Event by event

1 extreme cold/wind chill. Local standard time, as filed.

Extreme Cold/Wind Chill, St Lawrence Is. Bering Strait

When
February 4, 2:55 AM AKST to February 5, 11:55 AM AKST
Where
St Lawrence Is. Bering Strait forecast zone
Reported by
AWOS

What these are

Extreme Cold/Wind Chill
Temperatures or wind chills at or below the local warning criteria, or cold that caused deaths.

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

The same day elsewhere

More

Every storm in Alaska in 2009Every state in 2009This day in weather historyWarnings in Alaska, February 2009

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: 145022.