Alaska, 2009

High Wind in Alaska, May 16 to 17, 2009

May 16 to 17, 2009 · NWS AFG · 1 event in 1 county or zone

A strong difference in pressure between a 993 mb low in the Northern Bering Sea, and a 1034 mb high in Northern Canada, produced a period of high winds on Saint Lawrence Island and along the Bering Strait Coast during the late evening hours on the 16th through the morning hours on the 17th. Here are the highest wind gusts that were observed: Wales (AWSS): 74 mph/64kt|Savoonga (AWSO): 66…

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 strong difference in pressure between a 993 mb low in the Northern Bering Sea, and a 1034 mb high in Northern Canada, produced a period of high winds on Saint Lawrence Island and along the Bering Strait Coast during the late evening hours on the 16th through the morning hours on the 17th. Here are the highest wind gusts that were observed:

Wales (AWSS): 74 mph/64kt|Savoonga (AWSO): 66 mph/57kt|Teller (AWSS) 60 mph/52kt.

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 May 16, 2:31 PM AKST, 8 hours 5 minutes earlier.

Area forecast discussion, May 16, 2:31 PM AKST, 8 hours 5 minutes before
NORTHERN ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE FAIRBANKS AK
331 PM AKDT SAT MAY 16 2009

.DISCUSSION...
PATTERN CHANGE WELL UNDERWAY NOW AS RIDGE BUILDS EAST FROM BERING
SEA AND TROUGH DIGS INTO THE EASTERN BERING. MODELS AGREE ON
BUILDING HIGH INTO NE ALASKA BY TUE MORNING WITH DEEP
TROUGH...PROBABLY WITH A CLOSED CENTER...OVER THE EASTERN BERING
SEA. BY WED PM MUCH OF THE ENERGY FROM THE TROUGH HAS MOVED INTO A
CLOSED LOW IN THE GULF OF ALASKA WITH RAPIDLY RISING HEIGHTS OVER
THE BERING.

AT THE SURFACE...996 MB LOW OVER WESTERN CHUKOTKA WITH FRONT SE
INTO THE THE NORTHWEST BERING..WITH 996 LOW ON THE FRONT S OF CAPE
NAVARIN WILL PLOW NORTH AND BECOME THE MAIN CENTER BY SUN
AFTERNOON S OF WRANGEL ISLAND. ASSOCIATED FRONT MOVING ACROSS THE
NE BERING SEA TONIGHT AND THEN THROUGH NORTON SOUND AND CHUKCHI SEA
COAST ABOUT AS FAR EAST AS BARROW BY MON MORNING. HIGH PRESSURE
OVER THE EASTERN BEAUFORT SEA COAST DRIFTING EAST WITH REMNANT
HIGH PERSISTING OVER THE EASTERN BROOKS RANGE. BY TUE PM WELL
DEVELOPED THERMAL TROUGH WILL BE IN PLACE OVER THE SOUTHERN
INTERIOR.

NORTH SLOPE...PRECIP FROM INCOMING FRONT LIKELY TO BE LARGELY
WRUNG OUT BY THE BROOKS RANGE. AIRMASS LIKELY WARM ENOUGH ON THE
FRONT END FOR RAIN OR MIXED PRECIP. NO PRECIP EXPECTED EAST OF
155W. BY MID-WEEK BUILDING RIDGE WILL RESTART BREAK-UP ON NORTH
SLOPE RIVERS.

WEST COAST...DAMP NEXT COUPLE DAYS IN ONSHORE FLOW AREA. AMS
SHOULD BE...JUST BARELY...WARM ENOUGH FOR RAIN AT LOW ELEVATIONS AHEAD
OF THE OCCLUSION. DOWNSLOPE AREAS WILL PROBABLY NOT GET MUCH
PRECIP. WARMING AND DRYING LOOKS LIKELY BY MID WEEK AS RIDGE
BUILDS.

INTERIOR...DRY AND INCREASINGLY WARM. NO SGFNT CONVECTION BEFORE
THU AT THE EARLIEST.

&&

.FIRE WEATHER...
PERSISTENT DRY WEATHER LAST SIX WEEKS...EVEN MORE SO THAN USUAL
FOR THE SEASON AND DRY AMS IN PLACE HAVE PRODUCED MARGINAL RED
FLAG CONDITIONS TODAY OVER A LARGE PORTION OF EASTERN AND SOUTHERN
INTERIOR. WITH THE RIDGE BUILDING AND AMS WARMING...THIS WILL
LIKELY GO ON FOR SOME TIME TO COME.

&&

.HYDROLOGY...
FLOOD WATCH CONTINUES FOR YUKON RIVER KOYUKUK TO HOLY CROSS AND
FLOOD ADVISORY FOR NULATO. NOT MUCH CHANGE REPORTED ON THE RIVER
PAST 18 HOURS.

&&

.AFG WATCHES/WARNINGS/ADVISORIES...
FIRE WEATHER WATCH FOR AKZ223-AKZ226.

RED FLAG WARNING FOR AKZ220-AKZ221-AKZ222-AKZ224-AKZ225-AKZ227.

FLOOD WATCH FOR AKZ215-AKZ216.

GALE WARNING FOR PKZ210-PKZ220-PKZ225.

BRISK WIND ADVISORY FOR PKZ200-PKZ210-PKZ215-PKZ225-PKZ230.
&&

RT MAY 09

Event by event

1 high wind. Local standard time, as filed.

High Wind, St Lawrence Is. Bering Strait

When
May 16, 10:36 PM AKST to May 17, 10:57 AM AKST
Where
St Lawrence Is. Bering Strait forecast zone
Measured
64 kt (74 mph) measured gust
Reported by
AWSS

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 2009Every state in 2009This day in weather historyWarnings in Alaska, May 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: 175367.