Strong Wind, Upper Koyukuk Valley
- When
- November 27, 11:25 AM AKST to 2:55 PM AKST
- Where
- Upper Koyukuk Valley forecast zone
- Measured
- 45 kt (52 mph) measured gust
- Property damage
- $1,000
- Reported by
- AWOS
Strong winds developed over summits of the western interior during the afternoon of November 27th as the pressure gradient tightened between a 970 mb low pressure center in Bristol bay and high pressure over the arctic. Zone 219: A peak wind of 45 kt ( 51 mph) was reported at the Indian Mountain AWOS.
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 winds developed over summits of the western interior during the afternoon of November 27th as the pressure gradient tightened between a 970 mb low pressure center in Bristol bay and high pressure over the arctic.
Zone 219: A peak wind of 45 kt ( 51 mph) was reported at the Indian Mountain AWOS.
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 Nov 27, 6:01 AM AKST, 5 hours 24 minutes earlier.
NORTHERN ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FAIRBANKS AK 601 AM AKST FRI NOV 27 2015 .DISCUSSION... MODELS IN GOOD AGREEMENT THROUGH AT LEAST 48 HOURS. UPPER LEVEL RIDGING OVER THE INTERIOR TODAY WILL WEAKEN AND SLIDE TO THE EAST OVER THE CANANDIAN YUKON. UPPER LEVEL LOW OVER THE EASTERN ALEUTIANS WILL TRACK NORTHEAST AND WEAKEN OVER THE YUKON DELTA SATURDAY MORNING AND THEN TRACK OVER SAINT LAWRENCE ISLAND SATURDAY EVENING. CONTINUED WARM TEMPS TODAY OVER THE INTERIOR WITH A COOLING TREND OVER THE WEEKEND. SURFACE...HIGH PRESSURE WILL BUILD IN THROUGH FRIDAY OVER THE ARCTIC COAST FROM THE PARENT HIGH IN FAR EAST RUSSIA. STRONG 975 MB LOW NEAR COLD BAY WILL MOVE TO NEAR NUNIVAK ISLAND BY EARLY SAT MORNING AS A 979 MB LOW AND PRODUCE A VERY STRONG PRESSURE GRADIENT OVER THE NORTHWEST ARCTIC COAST. THE LOW WILL WEAKEN TO 981 JUST SOUTH OF SAINT LAWRENCE ISLAND BY SATURDAY AFTERNOON. WEST COAST...A DECENT PRESSURE GRADIENT DEVELOPING OVER THE WEST COAST TODAY AND TONIGHT BETWEEN THE HIGH OVER THE ARCTIC AND LOW PRESSURE MOVING INTO THE BERING SEA. GUSTS TO 50 MPH POSSIBLE NEAR POINT HOPE AND AREAS ALONG THE BERING STRAIT THROUGH SATURDAY. WINDS WILL DIMINISH SOME ON SUNDAY. SOME SNOW IS EXPECTED WITH LOW OVER THE WEST COAST BUT LIGHT AMOUNTS EXPECTED. ZONE 213 WILL SEE LOWER VISIBILITY IN BLOWING SNOW TONIGHT AND SATURDAY. INTERIOR...MODERATE CHINOOK THIS MORNING AND AFTERNOON IN THE ALASKA RANGE. GUSTS TO 60 MPH IN PASSES ARE POSSIBLE IN THE USUAL CHANNELLED AREAS. WIND ADVISORIES HAVE BEEN ISSUED FOR ZONES 225 AND 226. DELTA JUNCTION COULD SEE GUSTS UP TO 50 MPH. VERY LIGHT RETURNS ON THE RADAR THIS MORNING. ISOLATED SNOW SHOWERS AND A SLIGHT CHANCE FOR FREEZING RAIN OVER THE INTERIOR THIS MORNING. LITTLE TO NO ICE ACCUMULATION EXPECTED. SLIGHTLY COOLER TEMPS ON SATURDAY AND EVEN COLDER ON SUNDAY AS RIDGING WEAKENS AND COOLER 850 TEMPS MOVE IN ALOFT. COASTAL HAZARD POTENTIAL DAYS 3 AND 4...NONE && .AFG WATCHES/WARNINGS/ADVISORIES... WIND ADVISORY FOR AKZ225-AKZ226. HEAVY FREEZING SPRAY WARNING FOR PKZ200-PKZ210-PKZ220-PKZ225. GALE WARNING FOR PKZ210-PKZ220-PKZ225. BRISK WIND ADVISORY FOR PKZ200-PKZ220-PKZ230-PKZ235-PKZ240- PKZ245. && NOV 15
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE FAIRBANKS AK
1009 AM AKST FRI NOV 27 2015
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
1007 AM HEAVY SNOW COLLEGE 64.87N 147.82W
11/27/2015 M1.3 INCH AK OFFICIAL NWS OBS
AS OF 9 AM THIS MORNING, THE COLLEGE OBSERVATORY HAS
RECORDED 1.3 INCHES NEW SNOW LAST 24 HOURS. THIS GIVES A
THREE DAY TOTAL OF 5.6 INCHES AND A SNOW DEPTH, WITH SOME
SETTLING, OF 17 INCHES.
&&
HFL1 strong wind. Local standard time, as filed.
After NWS Directive 10-1605, the rules offices file Storm Data by.
Every storm in Alaska in 2015Every state in 2015This day in weather historyWarnings in Alaska, November 2015
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: 606995.