Alaska, 1993

Damaging Wind in Alaska, September 20, 1993

September 20, 1993 · 1 event in 1 county or zone

1 thunderstorm wind, as filed by the National Weather Service.

The toll

Deaths
0
Injuries
0
Property damage
$500,000
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.

Event by event

1 thunderstorm wind. Local standard time, as filed.

Thunderstorm Wind, Cook Inlet and Copper River Basin

When
September 20, 10:00 PM AST
Where
Cook Inlet and Copper River Basin County, Delta to Southcentral
Property damage
$500,000

An active frontal system associated with a very strong upper level trough moved across south-central Alaska during the late evening. Thunderstorms, hail and strong winds were reported over Cook Inlet, the Susitna Valley, the Kenai Peninsula and Prince William Sound. In the Anchorage/Eagle River area hail stones from 0.13 to 0.50 inches were reported. Winds to 55 knots accompanied the hail and thunderstorms. The storm blew down shallow rooted trees, did damage to fences, signs and roofs as well as causing power outages to more than 6,000 homes. Two miles west of Cordova At 2230 AST 60 knot winds grounded the state ferry "Bartlett" carrying 33 passengers and 23 crew members. No one on board was injured. Strong winds blew an airplane that was tied up at Eyak Lake spit into the lake and was lost. As the front moved into the Copper River Basin winds gusted to 77 knots in exposed areas. Gulkana recorded a peak gust of 46 knots.

What these are

Thunderstorm Wind
Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.

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

The same day elsewhere

More

Every storm in Alaska in 1993Every state in 1993This day in weather historyWarnings in Alaska, September 1993

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: 10316535.