High Wind, Yukon Delta
- When
- November 11, 8:36 AM AKST to 9:16 PM AKST
- Where
- Yukon Delta forecast zone
- Measured
- 58 kt (67 mph) measured gust
- Reported by
- AWOS
High Wind in Alaska, November 11, 2009
A 980 mb low near Saint Lawrence Island at 9 pm on the 10th deepened rapidly to 955 mb near Nome by 9 am on the 11th. The low then tracked across the Seward Peninsula and slowly weakened to 982 mb near Selawik by 3 pm on the 12th.
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 AFG wrote it up.
A 980 mb low near Saint Lawrence Island at 9 pm on the 10th deepened rapidly to 955 mb near Nome by 9 am on the 11th. The low then tracked across the Seward Peninsula and slowly weakened to 982 mb near Selawik by 3 pm on the 12th. Strong west winds developed across the Yukon Delta during the afternoon of the 11th to the south of the low. The high winds were accompanied by snow, and the visibility was reduced to one quarter to one half mile at times. Here are the peak wind gusts that were observed during the late afternoon and early evening on the 11th:
Emmonak AWOS: 58 kt/67 mph|Mountain Village AWSS: 50kt/58 mph.
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 Fairbanks, AK wrote its last area forecast discussion before the first event at Nov 11, 5:47 AM AKST, 2 hours 49 minutes earlier.
Area forecast discussion, Nov 11, 5:47 AM AKST, 2 hours 49 minutes before
NORTHERN ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE FAIRBANKS AK 547 AM AKST WED NOV 11 2009 .DISCUSSION... STORM CENTER NOW SOUTH OF SAINT LAWRENCE ISLAND HAS LIKELY DEEPENED TO 965-970 MB AND WILL LIKELY REACH MAXIMUM DEPTH OF 955-960 MB AS IT APPROACHES THE NOME AREA LATER THIS MORNING. THE STORM WILL LIKELY REMAIN AT OR NEAR MAXIMUM DEPTH THROUGH 00Z THU. CURRENT GFS/ETA/NAM PROJECTIONS FOR 12Z THU AGREE FAIRLY WELL...PLACING THE LOW CENTER JUST EAST OR SOUTHEAST OF KOTZEBUE FILLING TO 970-973 MB. ONGOING COASTAL FLOOD WATCHES/WARNINGS AND WINTER STORM WARNINGS FOR THE WEST COAST ZONES WILL BE CONTINUED WITH NO CHANGE IN EXPIRATION TIME. CURRENT STORM SURGE MODEL RUN SHOWS NUMBERS ABOUT A FOOT LESS THAN THE PREVIOUS RUN...BUT STILL VERY HIGH LEVELS FOR EASTERN SHORELINE AREAS OF NORTON SOUND. WEST WINDS TO 60 MPH ACROSS NORTON SOUND TODAY WILL PRODUCE HIGH WAVES AND STORM SURGE TO 9 FEET. MAJOR COASTAL FLOODING IS EXPECTED ALONG THE EASTERN SHORELINE AREAS OF NORTON SOUND IN A STORM WHICH IS COULD TO BE ONE OF THE WORST ON RECORD OVER THAT AREA. WINTER STORM WATCHES FOR ZONES 218-219-221 HAVE BEEN UPGRADED TO WINTER STORM WARNINGS AS HEAVY SNOW SPREADS EAST. MINIMUM BLIZZARD CONDITIONS MAY DEVELOP IN ZONES 201-202 LATER TODAY AS EAST WINDS INCREASE. COASTAL HAZARD POTENTIAL DAYS 3 AND 4... NORTH WINDS TO 30 KT OVER THE CHUKCHI SEA WILL CONTINUE HIGH SEAS OVER THAT AREA AND IN THE BERING STRAIT. HIGH SURF POSSIBLE AT DIOMEDE AND THE EXTREME WESTERN PARTS OF THE NORTHERN SEWARD PENINSULA COAST. NORTH WINDS INCREASING TO 40 KT SAT CONTINUING THROUGH SAT EVENING WILL BRING SEAS UP TO 12-14 FT OVER THE SOUTHERN CHUKCHI SEA AND BERING STRAIT. NORTH WINDS TO 25-30 MPH IN THE SHISHMAREF AREA. && .AFG WATCHES/WARNINGS/ADVISORIES... COASTAL FLOOD WARNING FOR AKZ207-AKZ211-AKZ212-AKZ213-AKZ214. BLIZZARD WATCH FOR AKZ201-AKZ202. COASTAL FLOOD WATCH FOR AKZ210. WINTER STORM WARNING FOR AKZ207-AKZ208-AKZ209-AKZ210-AKZ211- AKZ212-AKZ213-AKZ214-AKZ215-AKZ216-AKZ217-AKZ218-AKZ219-AKZ221- AKZ227. WINTER WEATHER ADVISORY FOR AKZ220-AKZ225. HEAVY FREEZING SPRAY WARNING FOR PKZ200-PKZ220-PKZ225-PKZ230. GALE WARNING FOR PKZ215-PKZ220-PKZ225-PKZ230-PKZ235-PKZ240- PKZ245. STORM WARNING FOR PKZ200-PKZ210. && RF NOV 09
Event by event
1 high wind. Local standard time, as filed.
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
- Coastal Flood and High Wind in New Jersey, November 11 to 14, 2009
- Strong Wind in North Carolina, November 11 to 12, 2009
- Coastal Flood and High Wind in Delaware, November 11 to 14, 2009
- Strong Wind in South Carolina, November 11 to 12, 2009
- Flash Flooding and Strong Wind in North Carolina, November 11 to 12, 2009
- Flooding in Virginia, November 11 to 16, 2009
- Heavy Rain in Virginia, November 11 to 13, 2009
- High Surf in Hawaii, November 11 to 19, 2009
- Winter Storm in Montana, November 11 to 12, 2009
- Heavy Rain in North Carolina, November 11 to 13, 2009
- Strong Wind in Virginia, November 11, 2009
- Flash Flooding and Flooding in North Carolina, November 11, 2009
More
Every storm in Alaska in 2009Every state in 2009This day in weather historyWarnings in Alaska, November 2009
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: 196627.