Alaska, 2012

Heavy Snow in Alaska, March 5 to 7, 2012

March 5 to 7, 2012 · NWS AFG · 1 event in 1 county or zone

A strong southwest flow aloft combined with a frontal boundary to produce heavy snow in the Fairbanks area. The snow began approximately 1800AKST on the 5th and continued through approximately 2100AKST on the 7th.

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 strong southwest flow aloft combined with a frontal boundary to produce heavy snow in the Fairbanks area. The snow began approximately 1800AKST on the 5th and continued through approximately 2100AKST on the 7th. The Keystone Ridge Co-op Observer on Murphy Dome reported a storm total of 25.1 inches. The Fairbanks International Airport observed a storm total of 11.3 inches. Most of the low elevation sites in the Fairbanks and North Pole areas observed a storm total of 11 to 16 inches.

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 Mar 5, 2:52 PM AKST, 3 hours 8 minutes earlier.

Area forecast discussion, Mar 5, 2:52 PM AKST, 3 hours 8 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
252 PM AKST MON MAR 5 2012

.DISCUSSION...
MODELS IN DECENT AGREEMENT THROUGH AT LEAST 48 HOURS. UPPER LEVEL
RIDGE OVER NORTHERN ALASKA WITH DIGGING TROUGH OVER WEST COAST AND
THE BERING SEA. STRONG SOUTHWEST FLOW SETTING UP OVER NORTHERN
ALASKA. THIS FLOW WILL CONTINUE OVER THE CENTRAL PORTION OF THE
STATE THROUGH AT LEAST WEDNESDAY WITH THE TROUGH CONTINUING TO DIG
DEEPER AND MOVE EASTWARD BEING SPAWNED FROM THE WASHED OUT
OCCLUSION. SNOWFALL MAY BE RELATIVELY HIGH OVER SOUTH AND SOUTHWEST
FACING SLOPES.

BLIZZARD CONDITIONS OVER WEST COAST AREAS WILL SUBSIDE EARLY THIS
EVENING AS FRONTAL BOUNDARY WASHES OUT AND SURFACE LOW CONTINUES
TO WEAKEN AND MOVE EASTWARD.

DECENT COLD ADVECTION OVER WEST COAST WILL MOVE EASTWARD TO THE
CENTRAL INTERIOR BY THE END OF THE WEEK. COLD AIR WILL REMAIN
PLANTED OVER NORTHERN ALASKA THROUGH 240 HOURS AS INDICATED BY GFS
AND ECMWF.

THE STRONG SOUTHWEST FLOW OVER NORTHERN ALASKA WILL CREATE GUSTY
WINDS OVER HIGHER TERRAIN CAUSING POOR VISIBILITY IN BLOWING SNOW
THROUGH AT LEAST TUE. SCATTERED SNOW SHOWERS OVER MUCH OF THE
CENTRAL AND EASTERN INTERIOR THROUGH THE WEEK WILL BE THE NORM.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
BLIZZARD WARNING FOR AKZ212.

WINTER WEATHER ADVISORY FOR AKZ211-AKZ214-AKZ215-AKZ216-AKZ220-
AKZ221-AKZ222-AKZ227.

BRISK WIND ADVISORY FOR PKZ200-PKZ210-PKZ215-PKZ220.
&&

CF/CA MAR 12

Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, Middle Tanana Valley

When
March 5, 6:00 PM AKST to March 7, 9:00 PM AKST
Where
Middle Tanana Valley forecast zone
Reported by
COOP Observer

What these are

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 2012Every state in 2012This day in weather historyWarnings in Alaska, March 2012

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: 359842.