High Wind in Alaska, September 27, 2010

Name: High Wind in Alaska, September 27, 2010
Start: 2010-09-27T11:00
End: 2010-09-27T12:00
Location: Alaska

September 27, 2010 · NWS AFC · 1 event in 1 county or zone

A strong low that was the remnants of an old tropical system produced warning level winds in and near Adak, Alaska.

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.

A strong low that was the remnants of an old tropical system produced warning level winds in and near Adak, Alaska.

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 Anchorage, AK wrote its last area forecast discussion before the first event at Sep 27, 4:00 AM AKST, 7 hours earlier.

Area forecast discussion, Sep 27, 4:00 AM AKST, 7 hours before

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 AM AKDT MON SEP 27 2010

.MODEL DISCUSSION...
MODELS IN GOOD AGREEMENT AGAIN. GFS AND ECMWF BEGIN TO DIVERGE AFTER
168 HOURS WITH THE ECMWF THE OUTLIER AMONGST THE MODELS.

.ANALYSIS AND UPPER LEVELS...
TROUGH AXIS OVER SOUTH CENTRAL ALASKA WITH A RIDGE OVER SOUTHWEST
ALASKA AND THE FAR EASTERN BERING SEA. DEEP UPPER LOW OVER THE
WESTERN ALEUTIANS.

.SHORT TERM FORECAST...
THE TROUGH AXIS OVER SOUTH CENTRAL ALASKA AND ITS ASSOCIATED
PRECIPITATION WILL MOVE EAST DURING THE DAY TODAY AND EXIT THE AREA
THIS EVENING. THE HIGH PRESSURE OVER SOUTHWEST ALASKA WILL MOVE INTO
SOUTH CENTRAL TODAY AND TONIGHT. THE WESTERN ALEUTIAN SYSTEM WILL
MOVE RAPIDLY EASTWARD TODAY WITH THE LEADING EDGE OF THE
PRECIPITATION NEAR THE WEST COAST OF ALASKA THIS AFTERNOON AND TO
KODIAK ISLAND LATE TONIGHT. CLOUDS AND PRECIPITATION FROM THIS LOW
WILL MOVE INTO SOUTH CENTRAL ALASKA ON TUESDAY.

THE MEAN TROUGH POSITION WILL SET UP ALONG THE WEST COAST OF ALASKA
ON WEDNESDAY WITH ALMOST ALL OF SOUTHERN ALASKA IN MOIST SOUTHERLY
FLOW BY THE END OF THE DAY.

.LONG TERM FORECAST...
THE MEAN TROUGH AXIS WILL REMAIN OVER WESTERN ALASKA/EASTERN BERING
SEA AT LEAST INTO EARLY NEXT WEEK. THIS WILL KEEP SOUTHERN ALASKA IN
CYCLONIC FLOW FOR MUCH OF THE EXTENDED PORTION OF THE FORECAST.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 187 191.
MARINE...STORM WARNING 170 172 175 176.
      GALE WARNING 121 127 128 130 132 140 150 155 160 179 180 185.
FIRE WEATHER...NONE.

LUDWIG SEP 10

Event by event

1 high wind. Local standard time, as filed.

High Wind, Central Aleutians

When: September 27, 11:00 AM AKST to 12:00 PM AKST
Where: Central Aleutians forecast zone
Measured: 64 kt (74 mph) measured gust
Reported by: ASOS

A strong low in the Bering Sea brought warning level winds to Adak, Alaska.

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

Every storm in Alaska in 2010 Every state in 2010 This day in weather history Warnings in Alaska, September 2010

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: 254635.