Alaska, 2004

High Wind in Alaska, October 7, 2004

October 7, 2004 · NWS AFC · 1 event in 1 county or zone

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

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 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 Oct 7, 5:00 AM AST, 7 hours 30 minutes earlier.

Area forecast discussion, Oct 7, 5:00 AM AST, 7 hours 30 minutes before
AREA FORECAST DISCUSSION SOUTHWEST ALASKA
600 AM ADT THU OCT 7 2004

.DISCUSSION...

.ANALYSIS...TWO MAJOR STORM SYSTEMS ARE MOVING ACROSS THE NORTH
PACIFIC. ONE IS LOCATED AT 48N 143W WITH ESTIMATED SURFACE PRESSURE
OF 965 MB. SHIP REPORT JUST TO THE NORTHWEST OF THE CENTER REPORTED
60 KT AT 12Z. UPPER JET DIVING SOUTHEASTWARD FROM EASTERN BERING SEA
IS PROVIDING UPPER SUPPORT. LOOKS LIKE JET IS COMING UP EAST SIDE OF
TROUGH AND LOW IS BEGINNING TO WRAP UP. THEREFORE WILL ONLY SEE A
LITTLE MORE DEEPENING TODAY BEFORE LOW STARTS TO WEAKEN. A WEAK UPPER
LOW IS FOUND TO THE NORTH OVER THE NORTHERN COPPER RIVER BASIN. THIS
IS PROVIDING RAIN AND SNOW SHOWERS FOR THE COPPER RIVER BASIN AND
SCATTERED SHOWERS ELSEWHERE ACROSS SOUTH CENTRAL ALASKA. WITH VERY
WEAK AND CONFUSED FLOW SHOWERS ARE VERY SLOW TO MOVE. SECOND MAJOR
SYSTEM (AND THE ONE THAT WILL HAVE IMPACT ON AFC AOR) IS LOCATED AT
52N 170E WITH ESTIMATED SURFACE PRESSURE OF 964 MB. 13Z SHEMYA OB
INDICATES SURFACE PRESSURE OF 976 MB AND SOUTH WINDS GUSTING TO 51
KT. THIS IS ABOUT 6 MB LOWER THAN GFS PROG. LOW IS LIKELY STRONGER
THAN MODELS INDICATE. ABUNDANT MOISTURE BEING TRANSPORTED FROM
TROPICS TO WESTERN ALEUTIANS. RIDGING AHEAD OF SYSTEM PROVIDING
FAIR CONDITIONS ACROSS EASTERN BERING SEA.

.FORECAST...MODELS ONCE AGAIN IN FAIR AGREEMENT WITH SYNOPTIC
SYSTEMS. HAVE TRENDED TOWARD DEEPER LOWS BASED ON CURRENT MODEL
VERIFICATION. UNDER PROGRESSIVE HEMISPHERIC FLOW MAJOR LOW IN THE
EAST WILL TRACK TO SOUTHEAST ALASKA/BRITISH COLUMBIA TODAY AND FRIDAY
WITH MINIMAL EFFECT ON GULF OF ALASKA WINDS. MEANWHILE WESTERN LOW
WILL TRACK EASTWARD ACROSS SOUTHERN BERING WHILE SHORT-WAVE RIDGE
MOVES TO SOUTHERN MAINLAND AND HELPS GRADUALLY DRY THINGS OUT THE
NEXT COUPLE DAYS. LOW WILL DEEPEN FURTHER TODAY AND TONIGHT WITH
CONTINUED UPPER SUPPORT. IT THEN GETS CUT OFF OVER EASTERN BERING
WITH JET SOUTH OF THE ALEUTIANS. SIGNIFICANT WINDS AND SEAS ARE
EXPECTED ALONG THE PATH OF THIS STORM. GFS INDICATES AN 80 KT JET
AT 850 MB THIS EVENING ON SOUTH SIDE OF STORM. LAST EVENING UPDATED
HIGH WIND WATCH FOR WESTERN ALEUTIANS TO A WARNING FOR THIS AFTERNOON
THROUGH FRIDAY MORNING. HAVE ALSO ISSUED A HURRICANE FORCE WIND
WARNING FOR MARINE AREAS 13A AND 13B WITH STORMS FOR THE BERING SEA
AND EASTERN ALEUTIANS. WAVE HEIGHTS WILL REACH 25 TO 35 FEET ALONG
THE WESTERN ALEUTIANS. LOW IS FORECAST TO TRACK TO KUSKOKWIM DELTA
SAT NIGHT AND THEN NORTHWARD. THIS TRACK IS FARTHER NORTH THAN
YESTERDAY. WITH A FAIRLY GOOD WESTERLY FETCH ACROSS THE SOUTHERN
BERING SEA WILL HAVE TO KEEP AN EYE OUT FOR POSSIBILITY OF COASTAL
FLOODING ALONG SOUTHWEST COAST. FOR THE MAINLAND LOOKS LIKE A WET
WEEKEND. IT IS TOO EARLY TO NAIL DOWN DETAILS OF PRECIPITATION TYPE.
HOWEVER...AT THIS POINT APPEARS PRECIP MAY START AS SNOW OVER SOUTH
CENTRAL BUT SHOULD TURN OVER TO RAIN PRETTY QUICKLY WITH MODERATE
LOW LEVEL WARM ADVECTION. FOR THE EXTENDED FORECAST...MEAN TROUGH
THROUGH THE PERIOD CENTERED OVER BERING WHICH WILL REMAIN SEASONABLY
STORMY. MAINLAND WILL REMAIN ON WARM SIDE OF STORM SYSTEMS SO SHOULD
SEE OCCASIONAL RAIN.

.ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 191.
MARINE...HURRICANE FORCE 13A 13B. STORMS 12AB. GALES 5B 6B 8 12A1 14
15.

SEB OCT 04

Event by event

1 high wind. Local standard time, as filed.

High Wind, Western Aleutians

When
October 7, 12:30 PM AST to 3:21 PM AST
Where
Western Aleutians forecast zone
Measured
67 kt (77 mph) measured gust
Reported by
AWOS,ASOS,MESONET,ETC

An intense low moved from the north Pacific into the western Aleutians during the afternoon of October 7th. The wind peaked at 77 mph on the afternoon of the 7th and diminished below warning criteria by the early evening.

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 2004Every state in 2004This day in weather historyWarnings in Alaska, October 2004

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: 5425094.