Alaska, 2001

High Wind in Alaska, December 20, 2001

December 20, 2001 · NWS AFC · 1 event in 1 county or zone

Pre-frontal pressure gradient produced strong easterly winds through Turnagain Arm and along higher elevations of the Anchorage Municipality Thursday. Alyeska Ski Resort reported gusts of 80 mph at 2300' and 87 mph at 3300' around 9:30 am AST Thursday.

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 AFC wrote it up.

Pre-frontal pressure gradient produced strong easterly winds through Turnagain Arm and along higher elevations of the Anchorage Municipality Thursday. Winds diminished below warning levels by 2 pm AST Thursday after frontal passage.Event maxima...Glen Alps williwaw gust 59 mph from the southwest between midnight and 1 am AST Thursday, 12/20/01.Portage ASOS easterly gust of 79 mph between 4:53 am and 5:53 am AST Thursday.Alyeska Ski Resort reported gusts of 80 mph at 2300' and 87 mph at 3300' around 9:30 am AST Thursday. At 12:35 pm AST Thursday, Max's Mountain recorded 104 mph (peak for the event).Further south across southern Cook Inlet, Augustine Island C-Man observed peak wind from the northeast of 78 mph between midnight and 1:00 am AST Thursday and again a few hours later.

Event by event

1 high wind. Local standard time, as filed.

High Wind, Anchorage Muni to Bird Creek

When
December 20, 12:00 AM AST to 2:00 PM AST
Where
Anchorage Muni to Bird Creek forecast zone
Measured
90 kt (104 mph)
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.

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: 5272067.