Alaska, 2001

Winter Storm and High Wind in Alaska, December 20 to 21, 2001

December 20 to 21, 2001 · NWS AFC · 2 events in 2 counties and zones

Heavy snows were reported in many areas of western Prince William Sound, along the warning level winds and local blizzards. 12-18 inches of snow fell around Silvertip through 1300 AST Thursday, with occasional whiteout conditions and 50 mph winds.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
2

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 AFC wrote it up.

A strong front approaching the area was preceded by locally strong easterly winds and heavy precipitation along east and southeast exposures.Heavy snows were reported in many areas of western Prince William Sound, along the warning level winds and local blizzards. Poor visibilities in snow (and presumably blowing snow) were reported in Thompson Pass also.Event maxima...Easterly 79 mph at Portage ASOS 5:22 am AST Thursday.Max's Mountain and Alyeska recorded 111 mph winds on Thursday.12-18 inches of snow fell around Silvertip through 1300 AST Thursday, with occasional whiteout conditions and 50 mph winds. Calls Friday to DOT revealed that they "were too busy cleaning up the mess to give a report".Heavy snow and whiteout conditions were reported in Moose Pass Thursday late morning through afternoon.2 - 6 inches of snow were reported around Seward.13 - 19 inches of snow were reported at Alyeska.At Cooper Landing, heavy snow and whiteout conditions with high winds were reported from Thursday morning through Thursday evening.13 inches of new snow and #poor visibilities' were observed by the DOT in Thompson Pass.

Event by event

1 high wind, 1 winter storm. Local standard time, as filed.

High Wind, Wrn P.W. Snd & Kenai Mtns

When
December 20, 12:00 AM AST to December 21, 5:00 AM AST
Where
Wrn P.W. Snd & Kenai Mtns forecast zone
Measured
96 kt (110 mph)
Reported by
AWOS,ASOS,MESONET,ETC

Winter Storm, Nern P.W. Snd

When
December 20, 12:00 PM AST to 10:00 PM AST
Where
Nern P.W. Snd forecast zone
Reported by
AWOS,ASOS,MESONET,ETC

What these are

High Wind
Sustained non-thunderstorm winds of 40 mph or more for an hour, or gusts of 58 mph or more.
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 2001Every state in 2001This day in weather historyWarnings in Alaska, December 2001

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: 5272070, 5272069.