Extreme Cold/Wind Chill, Upr Tanana Vly Fortymile
- When
- February 29, 9:00 PM AKST to 11:59 PM AKST
- Where
- Upr Tanana Vly Fortymile forecast zone
- Reported by
- Mesonet
Strong high pressure over the North Slope and moderate low pressure over the Gulf of Alaska created moderate winds near the Alaska-Canada border, and with cold temperatures this resulted in a period of Extreme Wind Chill, as reported by the Remote Automated Weather Station at Eagle, where the Wind Chill reach -70 F. Sustained Wind speeds were 20 to 30 mph during the event.
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.
Strong high pressure over the North Slope and moderate low pressure over the Gulf of Alaska created moderate winds near the Alaska-Canada border, and with cold temperatures this resulted in a period of Extreme Wind Chill, as reported by the Remote Automated Weather Station at Eagle, where the Wind Chill reach -70 F. Sustained Wind speeds were 20 to 30 mph during the event. Event continued into March.
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 Feb 29, 10:37 AM AKST, 10 hours 23 minutes earlier.
NORTHERN ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FAIRBANKS AK 337 PM AST FRI FEB 29 2008 .DISCUSSION... ALOFT... UPPER HIGH CENTERED ABOUT 150 MILES SOUTHWEST OF WRANGEL ISLAND WILL RECEDE SOUTHWESTWARD ACROSS RUSSIA DURING THE NEXT 36 HOURS...WEAKENING SLOWLY. NORTHERN ALASKA WILL BE UNDER A WEAK FLOW PATTERN IN THE UPPER LEVELS BY 12Z SUN. RIDGING WILL BEGIN TO BUILD NORTHWARD OVER NORTHERN ALASKA MONDAY. CURRENT OPERATIONAL RUNS AND GFS ENSEMBLES IN GOOD AGREEMENT THROUGH TUE. THE COLDEST TEMPERATURES OVER NORTHERN ALASKA AT 850 MB WILL BE TODAY THROUGH SATURDAY. 850 MB TEMPERATURES OVER THE SOUTHERN INTERIOR WILL MODERATE TO NEAR NORMAL BY MON AS THE UPPER RIDGE BEGINS TO BUILD NORTHWARD. BY TUESDAY...850 MB TEMPERATURES WILL BE ABOVE SEASONAL NORMALS...GETTING CLOSE TO 0C IN SOME AREAS...AS THE UPPER RIDGE BECOMES WELL ESTABLISHED OVER THE FORECAST AREA...WITH LOWER LEVEL SOUTHERLY FLOW BEGINNING TO INCREASE. && .AFG WATCHES/WARNINGS/ADVISORIES... WIND CHILL ADVISORY FOR AKZ204-AKZ217-AKZ219-AKZ220-AKZ221- AKZ222-AKZ225-AKZ226. WIND ADVISORY FOR AKZ222. WIND CHILL WARNING FOR AKZ206-AKZ218. GALE WARNING FOR PKZ200-PKZ210. BRISK WIND ADVISORY FOR PKZ200-PKZ210. && FEB 08
1 extreme cold/wind chill. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alaska in 2008Every state in 2008This day in weather historyWarnings in Alaska, February 2008
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: 83441.