High Wind, Western Arctic Coast
- When
- August 29, 8:55 AM AST to 10:35 AM AST
- Where
- Western Arctic Coast forecast zone
- Measured
- 41 kt (47 mph)
- Reported by
- AWOS,ASOS,MESONET,ETC
A 992mb low pressure system over the Chukchi Sea, coupled with a strong ridge across northern Alaska created a strong pressure gradient along the northwest coast. As a result, high winds developed around Cape Lisburne as the low deepened slightly to 990mb and moved slowly eastward before it retrograded back to the north.
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.
The episode as NWS AFG wrote it up.
A 992mb low pressure system over the Chukchi Sea, coupled with a strong ridge across northern Alaska created a strong pressure gradient along the northwest coast. As a result, high winds developed around Cape Lisburne as the low deepened slightly to 990mb and moved slowly eastward before it retrograded back to the north. The Cape Lisburne AWOS reported wind gusts to nearly 50 mph.
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 Fairbanks, AK wrote its last area forecast discussion before the first event at Aug 29, 7:45 AM AST, 1 hour 10 minutes earlier.
NORTH ALASKA FORECAST DISCUSSION 400 AM ADT THU AUG 29 2002 THE MODELS ARE IN GENERAL AGREEMENT UNTIL SATURDAY. THE ETA HAS MORE RIDGING OVER THE EASTERN INTERIOR ON SATURDAY THAN THE AVN. SUNDAY THROUGH TUESDAY THE MODELS AGREE WITH MOVING A RIDGE EAST ACROSS THE BERING SEA AND ALASKA, THOUGH THE MRF HAS A FAIRLY SUBSTANTIAL SHORT WAVE APPROACHING THE NORTHERN BERING SEA FROM THE NORTHWEST ON SUNDAY. THE ALASKA REGIONAL COORDINATION SURFACE MAP DEPICTS LOW PRESSURE 60 MILES SOUTH OF WRANGEL ISLAND. AT 400 PM THIS AFTERNOON THE LOW WILL BE 180 MILES NORTHWEST OF BARROW WITH AN ASSOCIATED COLD FRONT SOUTHWEST ACROSS THE CHUKCHI SEA AND A WARM FRONT SOUTH FROM THE LOW TO NEAR AMBLER. AT 400 AM FRIDAY MORNING THE LOW WILL BE 275 MILES NORTH OF PRUDHOE BAY WITH THE COLD FRONT EAST OF BARROW AND EXTENDING SOUTHWEST TO JUST WEST OF GAMBELL AND FURTHER SOUTHWEST OVER THE NORTHERN BERING SEA. AT 400 AM SATURDAY THE LOW WILL BE WELL NORTHEAST OF 75 DEGREES LATITUDE WITH THE FRONT NEAR BARTER ISLAND TO A NEW LOW PRESSURE OVER KOTZEBUE SOUND. AN OCCLUSION MOVING NORTH OVER THE EASTERN ALEUTIANS TODAY WILL BE JUST NORTH OF KODIAK ISLAND LATE THIS AFTERNOON. THE OCCLUSION WILL SLOW DOWN AND BECOME NEARLY STATIONARY FROM DILLINGHAM TO SOUTH OF ANCHORAGE TONIGHT. THE OCCLUSION WILL DISSIPATE FRIDAY. BOTH FAIRBANKS RADAR AND THE CENTRAL WIND PROFILER SHOWED SOUTHWEST FLOW ALOFT. SHOWERS WERE SCATTERED OVER MUCH OF THE INTERIOR IN THE SOUTHWEST FLOW AHEAD OF THE COLD FRONT. THESE SHOWERS WILL MOVE A LITTLE FURTHER EAST TODAY AS THE FRONT MOVES EAST. SATELLITE IMAGERY SHOWED THE COLD FRONT MAKING SLOW PROGRESS EASTWARD ACROSS THE INTERIOR. SOUTHERN PORTIONS OF THE FRONT OVER SOUTHWESTERN ALASKA WERE DISSIPATING. TEMPERATURES DROPPED QUITE A BIT OVER CLEAR AREAS BEHIND THE FRONT. AT BARROW THE TEMPERATURE DROPPED TO 27 DEGREES. SOUTHERLY DOWNSLOPING WINDS ARE EXPECTED TO INCREASE TO 50 MPH TODAY IN THE CAPE LISBURNE AREA OF ZONE 201. AT 100 AM OVERNIGHT WINDS GUSTED TO 26 MPH AT CAPE LISBURNE. A WIND ADVISORY FOR 40 MPH GUSTS WILL BE IN EFFECT FOR OTHER PARTS OF ZONE 201. FOR ZONES 207 AND 208 A WIND ADVISORY WILL BE IN EFFECT FOR GUSTS TO 40 MPH. GALE FORCE WINDS ARE EXPECTED FROM CAPE THOMPSON TO ICY CAPE, INCLUDING CAPE LISBURNE TODAY. .AFG...WATCH/WARNING SUMMARY HIGH WIND WARNING TODAY FOR THE CAPE LISBURNE AREA. GALE WARNING AREA 10B, CAPE THOMPSON TO CAPE LISBURNE. GALE WARNING AREA 11A, CAPE LISBURNE TO ICY CAPE. SMALL CRAFT ADVISORY AREA 10B, WALES TO CAPE THOMPSON. SMALL CRAFT ADVISORY AREA 11A, ICY CAPE TO CAPE HALKETT. DA AUG 02
1 high wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alaska in 2002Every state in 2002This day in weather historyWarnings in Alaska, August 2002
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: 5313143.