Alaska, 2012Heavy Snow in Alaska, January 23, 2012
January 23, 2012 · NWS AJK · 1 event in 1 county or zone
As one storm moved off toward Seattle, another system developed near Kodiak. This system moved warm moist air over cold air at the surface from Cape Suckling to Cape Fairweather.
- 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.
As one storm moved off toward Seattle, another system developed near Kodiak. This system moved warm moist air over cold air at the surface from Cape Suckling to Cape Fairweather. More low centers developed well south of the area for continued heavy snow on 1.23.
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 Juneau, AK wrote its last area forecast discussion before the first event at Jan 23, 5:39 AM AKST, 7 hours 21 minutes earlier.
Area forecast discussion, Jan 23, 5:39 AM AKST, 7 hours 21 minutes before
SOUTHEAST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE JUNEAU AK
539 AM AKST MON JAN 23 2012
.SHORT TERM...A BROAD LOW PRESSURE AREA WILL REMAIN OVER THE
WESTERN GULF BUT WEAKEN THROUGH TONIGHT. SEVERAL TROFS WILL MOVE
AROUND THE LOW INTO THE ERN GULF AND SE AK THRU THIS EVENING. A
LOW PRESSURE AREA WILL DEVELOP OVER THE NE PAC AND MOVE NE TO THE
FAR SE GULF BY LATE TONIGHT. USED THE 00Z ECMWF DUE TO ITS BETTER
HANDLING OF THE LOW TONIGHT BASED ON SATELLITE DATA.
MAIN FORECAST ISSUES WILL BE SNOWFALL AND WINDS. THRU
TODAY...PRECIP WILL BE SHOWERY AND BE MOST ORGANIZED ALONG THE
TROFS THAT MOVE THRU THE AREA. ONE TROF IS JUST OFFSHORE AND WILL
MOVE ONSHORE THIS MORNING. ANOTHER TROF IS EXPECTED TO MOVE THRU
THE AREA THIS AFTERNOON AND EVENING. THINK MUCH OF THE AREA WILL
SEE ABOUT 1-2 INCHES OF SNOW TODAY...EXCEPT WHERE ANY RAIN MIXES
IN OVER THE S. THERE COULD BE LOCALIZED AREAS THAT GET MORE SNOW
BUT IT WOULD BE DIFFICULT TO SAY EXACTLY WHERE THIS WOULD HAPPEN
RIGHT NOW. THE SHOWERS WILL GRADUALLY TRANSITION TO A STEADIER
PRECIP TONIGHT FROM THE S IN A DEVELOPING WARM ADVECTION PATTERN
AHEAD OF THE LOW MOVING INTO THE SE GULF. AGAIN...PROBABLY A
1-2 INCH SNOWFALL FOR MOST PLACES TONIGHT...EXCEPT OVER THE S
WHERE PRECIP WILL BECOME MORE RAIN WITH TIME TONIGHT. FOR
SIMPLICITY...USED PERIODS OF SNOW/RAIN FOR MOST PLACES TO HANDLE
THE TRANSITION RATHER THAN SHOWERS BECOMING RAIN/SNOW. EXCEPTION
IS PAYA WHERE PRECIP WILL BE MORE CLEARLY CONVECTIVE TONIGHT.
AS FOR WINDS...THE TROFS ROTATING AROUND THE BROAD LOW HAVE SOME
SCA LEVEL WINDS WITH THEM. THINK STRONGEST WINDS TODAY WILL BE
ALONG THE N GULF NEAR SHORE AREA W YAKUTAT BAY...WHERE E WINDS
AROUND 30 KT ARE EXPECTED. WINDS WILL PICK UP OVER THE SRN GULF
TONIGHT AS THE LOW MOVES IN...WITH GALES EXPECTED OVER THE SERN
GULF AND PARTS OF THE SRN INNER CHANNELS...WITH MORE WIDESPREAD
SCA LEVEL WINDS OVER THE E-CENTRAL GULF AND MOST OF THE REMAINING
INNER CHANNELS. PUBLIC ZONE 27 MAY GET TO STRONG WIND LEVELS LATE
TONIGHT.
&&
.LONG TERM...MODELS AGREEMENT IS IMPROVING FOR THE TUES INTO WED
SYSTEM. THE EC AND UK HAVE STUCK TO THEIR GUNS AND STAYED WITH A
TRIPLE LOW STRUCTURE WITH A BIT OF STRENGTHEN COMPARED TO
YESTERDAY. THE GFS AND NAM HAVE BEEN CHANGING THEIR TUNE IN THEIR
MOST RECENT RUNS AND BEEN SHIFTING MORE TOWARD THE EUROPEAN
SOLUTION. THIS IS ALREADY BECOMING PLAUSIBLE WITH CURRENT
SATELLITE IMAGES SHOWING THE SYSTEM SPREADING OUT IN THE NORTH
PACIFIC. IN THIS SCENARIO THE FIRST OF TWO LOWS WILL HEAD NE TO
JUST WEST OF DIXON ENTRANCE AND THEN DASH NW ALONG THE OUTER
COAST ON TUES. THIS FIRST LOW WILL NOT HAVE MUCH IN THE WAY OF
MOISTURE TO WORK WITH AS THE MAIN MOISTURE STREAM THAT IS FEEDING
IT WILL DETACH FROM IT EARLY TUES AND HEAD TOWARD THE PACIFIC NW.
THERE WILL BE DECENT WINDS WITH IT HOWEVER. I EXPECT STRONG WIND
HEADLINES WILL BE NEEDED FOR THE SOUTHERN PANHANDLE TUES AND
GALES AT LEAST FOR THE SE GULF AND CLARENCE STRAIT.
THE SECOND LOW WILL SHOW UP RIGHT BEHIND THE FIRST AND SLAMS
INTO THE PANHANDLE EARLY WED. THERE IS SOME DISAGREEMENT IN THE
MODELS ON WHERE THIS LAST LOW WILL HEAD WITH THE EC HAVING IT HIT
THE CENTRAL PANHANDLE AND THE GFS BRINGING IT ALL THE WAY UP TO
YAKUTAT. IN EITHER CASE MORE WIND IS IN THE WORKS FOR THE
SOUTHERN PANHANDLE AND MORE PRECIP AS THIS LOW WILL RETAIN MORE
OF ITS ORIGINAL MOISTURE. ENOUGH COLD AIR SHOULD STILL BE TRAPPED
IN THE INNER CHANNELS THAT AT LEAST AREAS FROM ICE STRAIT
NORTHWARD MAY BE IN FOR AT LEAST ADVISORY LEVELS SNOW TUE NIGHT
AND WED.
BEHIND THIS SYSTEM AT LEAST THREE MORE WEAK TROUGHS WILL BE
ROTATING AROUND THE WEAK PERSISTENT LOW IN THE NW GULF AND INTO
THE PANHANDLE THROUGH THURS NIGHT. THIS WILL BRING MORE SHOWERS,
MAINLY IN THE FORM OF SNOW, TO THE AREA. UPPER LEVEL POLAR VORTEX
OVER THE NW GULF LIFTS NORTH BY THIS POINT AND GENERAL SW FLOW
TAKES ITS PLACE BY LATE WEEK. THE PATTERN WILL REMAIN ACTIVE
THROUGH NEXT WEEKEND AS A ACTIVE FRONT APPROACHES THE PANHANDLE
FOR FRI NIGHT WITH A WEAKER SYSTEM SHOWING UP BEHIND IT FOR SUN.
MODEL AGREEMENT IS RATHER GOOD THROUGH THE PERIOD WITH MOST
FEATURES GENERALLY REPRESENTED REASONABLY WELL. DECIDE TO GO WITH
THE EC FOR MID RANGE UPDATES BUT DID DECIDED ON A MIDDLE-OF-THE-
ROAD APPROACH FOR THE SECOND LOW ON TUES NIGHT WITH A TRACK MORE
INTO THE ELFIN COVE/GLACIER BAY AREA. AFTER THURS USED MORE HPC
DATA BUT DID MIX IN SOME EC AND GFS AS EXTENDED RANGE AGREEMENT
IS DECENT. FORECAST CONFIDENCE IS A BIT ABOVE AVERAGE.
.AJK WATCHES/WARNINGS/ADVISORIES...
PUBLIC...NONE.
MARINE...GALE WARNING FOR PKZ035-036-041-042.
SMALL CRAFT ADVISORY FOR PKZ012-013-021-022-031-033-034-043-051-
052.
&&
RWT/EALHeavy Snow, Cape Fairweather to Cape Suckling Coastal Area
- When
- January 23, 1:00 PM AKST to 4:00 PM AKST
- Where
- Cape Fairweather to Cape Suckling Coastal Area forecast zone
- Reported by
- ASOS
Yakutat WSO measured 7.7 inches of new snow on 1.23 most of which fell during the afternoon. Wind gusts to 20 MPH and visibility was as low as 1/4 mile.
- Heavy Snow
- Snowfall reaching the local warning threshold without the other hazards of a winter storm.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Tornadoes and Flash Flooding in Alabama, January 23, 20122 deaths · 77 injured · EF3 · 24 events
- Flash Flooding and Hail in Alabama, January 23, 2012$231,000 · 1 in hail · 6 events
- Damaging Winds in Indiana, January 23, 2012$88,000 · 65 kt wind · 7 events
- Winter Storm and Winter Weather in Michigan, January 23, 20123 injured · $20,000 · 11 events
- Damaging Winds in Kentucky, January 23, 2012$15,000 · 60 kt wind · 17 events
- Damaging Wind in Alabama, January 23, 20121 injured · $3,000 · 52 kt wind · 1 event
- Dense Fog in Maryland, January 23, 20128 events
- Winter Weather in Colorado, January 23 to 24, 20127 events
- Winter Storm and Heavy Snow in Alaska, January 23 to 26, 201252 kt wind · 6 events
- Dense Fog in Maryland, January 23 to 24, 20126 events
- Dense Fog in West Virginia, January 23 to 24, 20125 events
- Damaging Winds in Indiana, January 23, 2012$1,000 · 52 kt wind · 3 events
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: 364979.