Alaska, 2008

High Wind in Alaska, December 28 to 30, 2008

December 28 to 30, 2008 · NWS AFC · 1 event in 1 county or zone

A large strong high pressure system over interior Alaska coupled with a strong low in the Gulf of Alaska produced the typical strong gap wind through the Chugach Mountains. This is a data void region and wind speed is estimated from the pressure and temperature gradients and satellite imagery.

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 large strong high pressure system over interior Alaska coupled with a strong low in the Gulf of Alaska produced the typical strong gap wind through the Chugach Mountains. This is a data void region and wind speed is estimated from the pressure and temperature gradients and satellite imagery.

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 Dec 28, 2:00 PM AKST, 0 minutes earlier.

Area forecast discussion, Dec 28, 2:00 PM AKST, 0 minutes before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
200 PM AKST SUN DEC 28 2008

.MODEL DISCUSSION...MODEL INITIALIZATIONS AND FORECAST TRENDS THROUGH

FRI MORNING ARE IN GENERAL AGREEMENT AND REASONABLE.

.ANALYSIS AND UPPER LEVELS...OMEGA BLOCK WITH RIDGE POSITION OVER THE
BERING SEA LIKELY TO HOLD THROUGH THE LATTER PART OF THIS WEAK.
HOWEVER...THE TROUGH AXIS THE GULF AND MAINLAND WILL SHIFT EAST SOME
AS CUT-OFF OVER THE GULF LIFTS NORTH AND EAST. THIS WILL ALLOW THE
NORTHERLY JET OVER THE EASTERN BERING SEA TO SHIFT OVER THE MAINLAND
TUE.

.SHORT TERM FORECAST...
.EAST...HIGH PRESSURE BUILDS OVER THE MAINLAND AND LOW PRESSURE
WEAKENS OVER THE GULF. THE NET RESULT WILL BE TO CONTINUE STRONG
PRESSURE GRADIENTS ACROSS MUCH OF SOUTHCENTRAL THROUGH MON AND THE
NORTH GULF THROUGH TUE. UPPER SUPPORT INTENSIFIES AS SHORT WAVE
MOVING ACROSS THE NORTHERN GULF TONIGHT/TUE INCREASES NORTH/NE WINDS
ACROSS THE REGION. GRADIENTS SHOULD RELAX SOME OVER SOUTHCENTRAL MON
NIGHT AND ALONG THE NORTH GULF COAST TUE AFTERNOON THROUGH WED. SO
WILL SEE WINDS FALL BELOW WARNING LEVELS IN ZONE 111 MON NIGHT AND
TUE AFTERNOON ALONG THE NORTH GULF. HOWEVER STRONG WIND HEADLINES
WILL LIKELY CONTINUE OVER THE COPPER RIVER DELTA INTO WED. COLD TEMPS
OVER THE EASTERN MAINLAND COMBINED WITH GAP FLOWS WILL PRODUCE WIND
CHILL ADVISORIES THROUGH TUE AFTERNOON FOR ZONES 141 AND 145.

.WEST...BRISK AND GENERALLY DRY NORTHERLY FLOW WILL CONTINUE OVER THE
SW MAINLAND THROUGH MON NIGHT. WINDS WILL DIMINISH MON NIGHT AND TUE
AS JET CORE SHIFTS EAST AND RIDGE BUILDS OVER THE MAINLAND. COLD
TEMPS WILL HOLD INLAND THROUGH MID WEEK.

LOCALIZED BLIZZARD CONDITIONS ALONG THE AK PEN WILL CONTINUE INTO
THIS EVENING AS SHORT WAVE MOVING SOUTH ALONG THE EASTERN BERING SEA
APPROACHES THE AK PEN. CONDITIONS SHOULD IMPROVE SOME LATER THIS
EVENING AFTER WAVES MOVES SOUTH OF THE AK PEN. STRONG SE TO EAST
WINDS LIKELY TO HOLD OVER THE EASTERN AND CENTRAL ALEUTIANS THROUGH
WED WITH BERING SEA RIDGE AND STRENGTHENING TROUGH SOUTH OF THE
ALEUTIANS.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...WIND WARNINGS 111 131 AND 135. BLIZZARD WARNING 181.
MARINE...GALE 121 130 132 150 155 165 175 176

FIRE WEATHER...NONE.

RMC DEC 08

Event by event

1 high wind. Local standard time, as filed.

High Wind, Sern P.W. Snd

When
December 28, 2:00 PM AKST to December 30, 12:00 PM AKST
Where
Sern P.W. Snd forecast zone
Measured
74 kt (85 mph) estimated gust
Reported by
NWS Employee

The Wind speed is estimated from the pressure and temperature gradient and satellite imagery.

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 2008Every state in 2008This day in weather historyWarnings in Alaska, December 2008

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: 139495.