Alert archive / Alaska / Storm Warnings in 2011
Storm Warning 245, NWS Anchorage, AK
NWS Anchorage, AK issued this storm warning at Dec 2, 2011, 4:00 PM AKST. It was in force for 24 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Dec 2, 2011, 4:00 PM AKST (01:00 UTC)
- Expired
- Dec 3, 2011, 4:00 PM AKST
- In force
- 24 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
680 FZAK62 PAFC 022341 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST FRI DEC 2 2011 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-031500- 400 PM AKST FRI DEC 2 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 991 MB LOW NEAR 59N 180 WILL MOVE SOUTHWEST AND DISSIPATE FRI NIGHT. A 984 MB LOW NEAR 50N 176W WILL MOVE TO 60N 173W AT 965 MB SAT AFTERNOON AND THEN MOVE TO 65N 169W AT 972 MB SUN AFTERNOON. $$ PKZ411-031500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST FRI DEC 2 2011 ...STORM WARNING SATURDAY... ...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT... .TONIGHT...N WIND 40 KT. SEAS 17 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. .SAT...NW WIND 50 KT. SEAS 20 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. .SAT NIGHT...NW WIND 35 KT. SEAS 18 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. .SUN...W WIND 20 KT. SEAS 15 FT. .SUN NIGHT...SE WIND 40 KT. SEAS 10 FT. .MON...SE WIND 40 KT. SEAS 22 FT. .TUE...E WIND 30 KT. SEAS 23 FT. .WED...NW WIND 30 KT. SEAS 22 FT. $$ PKZ412-031500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST FRI DEC 2 2011 ...STORM WARNING THROUGH SATURDAY... .TONIGHT...E WIND 35 KT BECOMING NE 50 KT AFTER MIDNIGHT. SEAS 14 FT. SNOW AND RAIN. .SAT...N WIND 50 KT. SEAS 20 FT. SNOW AND RAIN SHOWERS. FREEZING SPRAY IN THE MORNING. .SAT NIGHT...NW WIND 45 KT BECOMING W 35 KT AFTER MIDNIGHT. SEAS 21 FT. SNOW SHOWERS. FREEZING SPRAY. .SUN...W WIND 30 KT. SEAS 15 FT. .SUN NIGHT...SW WIND 25 KT. SEAS 11 FT. .MON...SE WIND 40 KT. SEAS 20 FT. .TUE...SE WIND 40 KT. SEAS 22 FT. .WED...S WIND 30 KT. SEAS 21 FT. $$ PKZ413-031500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 PM AKST FRI DEC 2 2011 ...STORM WARNING THROUGH SATURDAY... .TONIGHT...N WIND 35 KT BECOMING NW 55 KT AFTER MIDNIGHT. SEAS 11 FT BUILDING TO 16 FT AFTER MIDNIGHT. RAIN AND SNOW. .SAT...W WIND 55 KT. SEAS 18 FT. SNOW AND RAIN SHOWERS. .SAT NIGHT...NW WIND 35 KT. SEAS 17 FT. SNOW SHOWERS. FREEZING SPRAY. .SUN...W WIND 25 KT. SEAS 16 FT. .SUN NIGHT...S WIND 35 KT. SEAS 10 FT. .MON...SE WIND 45 KT. SEAS 23 FT. .TUE...S WIND 40 KT. SEAS 23 FT. .WED...SW WIND 35 KT. SEAS 22 FT. $$ PKZ414-031500- BERING SEA OFFSHORE EAST OF 171W 400 PM AKST FRI DEC 2 2011 ...STORM WARNING THROUGH SATURDAY... .TONIGHT...E WIND 35 KT BECOMING SE 55 KT AFTER MIDNIGHT. SEAS 15 FT. RAIN AND SNOW. .SAT...S WIND 55 KT. SEAS 20 FT. RAIN. .SAT NIGHT...SW WIND 45 KT BECOMING W 35 KT AFTER MIDNIGHT. SEAS 20 FT. FREEZING SPRAY. .SUN...W WIND 30 KT. SEAS 14 FT. .SUN NIGHT...SW WIND 25 KT. SEAS 13 FT. .MON...S WIND 40 KT. SEAS 13 FT. .TUE...S WIND 40 KT. SEAS 16 FT. .WED...S WIND 35 KT. SEAS 17 FT. $$
4 follow-up statements
993 FZAK62 PAFC 030628 AAA OFFALU OFFSHORE WATERS FORECAST...UPDATED NATIONAL WEATHER SERVICE ANCHORAGE AK 930 PM AKST FRI DEC 2 2011 UPDATED ZONES 413 414 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-031500- 400 PM AKST FRI DEC 2 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 991 MB LOW NEAR 59N 180 WILL MOVE SOUTHWEST AND DISSIPATE FRI NIGHT. A 984 MB LOW NEAR 50N 176W WILL MOVE TO 60N 173W AT 965 MB SAT AFTERNOON AND THEN MOVE TO 65N 169W AT 972 MB SUN AFTERNOON. $$ PKZ411-031500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST FRI DEC 2 2011 ...STORM WARNING SATURDAY... ...HEAVY FREEZING SPRAY WARNING THROUGH SATURDAY NIGHT... .TONIGHT...N WIND 40 KT. SEAS 17 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. .SAT...NW WIND 50 KT. SEAS 20 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. .SAT NIGHT...NW WIND 35 KT. SEAS 18 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY. .SUN...W WIND 20 KT. SEAS 15 FT. .SUN NIGHT...SE WIND 40 KT. SEAS 10 FT. .MON...SE WIND 40 KT. SEAS 22 FT. .TUE...E WIND 30 KT. SEAS 23 FT. .WED...NW WIND 30 KT. SEAS 22 FT. $$ PKZ412-031500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST FRI DEC 2 2011 ...STORM WARNING THROUGH SATURDAY... .TONIGHT...E WIND 35 KT BECOMING NE 50 KT AFTER MIDNIGHT. SEAS 14 FT. SNOW AND RAIN. .SAT...N WIND 50 KT. SEAS 20 FT. SNOW AND RAIN SHOWERS. FREEZING SPRAY IN THE MORNING. .SAT NIGHT...NW WIND 45 KT BECOMING W 35 KT AFTER MIDNIGHT. SEAS 21 FT. SNOW SHOWERS. FREEZING SPRAY. .SUN...W WIND 30 KT. SEAS 15 FT. .SUN NIGHT...SW WIND 25 KT. SEAS 11 FT. .MON...SE WIND 40 KT. SEAS 20 FT. .TUE...SE WIND 40 KT. SEAS 22 FT. .WED...S WIND 30 KT. SEAS 21 FT. $$ PKZ413-031500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 930 PM AKST FRI DEC 2 2011 ...STORM WARNING THROUGH SATURDAY... .TONIGHT...W OF 175W...NW WIND 55 KT. E OF 175W...S WIND INCREASING TO 60 KT. SEAS 16 TO 20 FT. RAIN AND SNOW. .SAT...SW WIND 45 TO 55 KT. SEAS 18 FT. SNOW AND RAIN SHOWERS. .SAT NIGHT...NW WIND 35 KT. SEAS 17 FT. SNOW SHOWERS. FREEZING SPRAY. .SUN...W WIND 25 KT. SEAS 16 FT. .SUN NIGHT...S WIND 35 KT. SEAS 10 FT. .MON...SE WIND 45 KT. SEAS 23 FT. .TUE...S WIND 40 KT. SEAS 23 FT. .WED...SW WIND 35 KT. SEAS 22 FT. $$ PKZ414-031500- BERING SEA OFFSHORE EAST OF 171W 930 PM AKST FRI DEC 2 2011 ..HURRICANE FORCE WIND WARNING SATURDAY... .TONIGHT...E WIND 35 KT BECOMING SE 55 KT AFTER MIDNIGHT. SEAS 15 FT. RAIN AND SNOW. .SAT...S WIND 50 TO 65 KT. SEAS 20 FT. RAIN. .SAT NIGHT...SW WIND 45 KT BECOMING W 35 KT AFTER MIDNIGHT. SEAS 20 FT. FREEZING SPRAY. .SUN...W WIND 30 KT. SEAS 14 FT. .SUN NIGHT...SW WIND 25 KT. SEAS 13 FT. .MON...S WIND 40 KT. SEAS 13 FT. .TUE...S WIND 40 KT. SEAS 16 FT. .WED...S WIND 35 KT. SEAS 17 FT. $$
277 FZAK62 PAFC 031252 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST SAT DEC 3 2011 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-040300- 400 AM AKST SAT DEC 3 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 965 MB LOW 200 NM NORTH OF ATKA INTENSIFIES TO 960 MB THIS AFTERNOON 100 NM SOUTHWEST OF SAINT MATTHEW ISLAND AND THEN WEAKENS AS IT MOVES THROUGH THE BERING STRAIT SUN EVENING. A WEATHER FRONT MOVES INTO THE EXTREME WESTERN ALEUTIANS SUN NIGHT. $$ PKZ411-040300- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 AM AKST SAT DEC 3 2011 ...STORM WARNING TODAY... ...HEAVY FREEZING SPRAY WARNING TONIGHT... .TODAY...NW WIND 50 KT. SEAS 25 FT. SNOW SHOWERS. FREEZING SPRAY. .TONIGHT...NW WIND 45 KT DIMINISHING TO 35 KT AFTER MIDNIGHT. SEAS 27 FT. HEAVY FREEZING SPRAY N OF 56N. .SUN...W WIND 30 KT. SEAS 19 FT. FREEZING SPRAY. .SUN NIGHT...S WIND 45 KT. SEAS 13 FT. .MON...E WIND 50 KT. SEAS 20 FT. .TUE...E WIND 40 KT. SEAS 24 FT. .WED...W WIND 40 KT. SEAS 19 FT. $$ PKZ412-040300- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 AM AKST SAT DEC 3 2011 ...STORM WARNING THROUGH TONIGHT... ...HEAVY FREEZING SPRAY WARNING TONIGHT AND SUNDAY... .TODAY...W OF 176W...NW WIND 55 KT. E OF 176W...S WIND 50 KT. SEAS BUILDING TO 28 FT IN THE AFTERNOON. SNOW AND RAIN SHOWERS. FREEZING SPRAY N OF 58N. .TONIGHT...W WIND 55 KT. SEAS 29 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY N OF 58N. .SUN...W WIND 45 KT DIMINISHING TO 35 KT IN THE AFTERNOON. SEAS 24 FT. HEAVY FREEZING SPRAY N OF 58N. .SUN NIGHT...SW WIND 30 KT. SEAS 19 FT. .MON...SE WIND 45 KT. SEAS 20 FT. .TUE...SE WIND 35 KT. SEAS 23 FT. .WED...S WIND 35 KT. SEAS 18 FT. $$ PKZ413-040300- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 AM AKST SAT DEC 3 2011 ...STORM WARNING TODAY... .TODAY...W WIND 50 KT. SEAS 22 FT. SNOW AND RAIN SHOWERS. .TONIGHT...W WIND 40 KT. SEAS 24 FT. SNOW AND RAIN SHOWERS. FREEZING SPRAY W OF 176W. .SUN...W WIND 30 KT. SEAS 21 FT. .SUN NIGHT...S WIND 35 KT. SEAS 18 FT. .MON...SE WIND 50 KT. SEAS 21 FT. .TUE...S WIND 40 KT. SEAS 21 FT. .WED...SW WIND 35 KT. SEAS 17 FT. $$ PKZ414-040300- BERING SEA OFFSHORE EAST OF 171W 400 AM AKST SAT DEC 3 2011 ...HURRICANE FORCE WIND WARNING TODAY... .TODAY...W OF 168W...S WIND 55 TO 65 KT. SEAS 30 FT. E OF 168W...S WIND 30 TO 40 KT. SEAS 22 TO 26 FT. RAIN AND SNOW. .TONIGHT...SW WIND 40 TO 50 KT. SEAS 25 TO 29 FT. SNOW AND RAIN SHOWERS. .SUN...W WIND 40 KT. SEAS 22 FT. .SUN NIGHT...W WIND 30 KT. SEAS 20 FT. .MON...S WIND 45 KT. SEAS 16 FT. .TUE...SE WIND 35 KT. SEAS 19 FT. .WED...S WIND 35 KT. SEAS 15 FT. $$
172 FZAK62 PAFC 031957 CCA OFFALU OFFSHORE WATERS FORECAST...CORRECTED NATIONAL WEATHER SERVICE ANCHORAGE AK 1055 AM AKST SAT DEC 3 2011 CORRECTION TO THE SYNOPSIS OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-040300- 400 AM AKST SAT DEC 3 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 965 MB LOW NEAR 55N 174W INTENSIFIES TO 960 MB THIS AFTERNOON NEAR 59N 175W AND THEN WEAKENS AS IT MOVES THROUGH THE BERING STRAIT SUN EVENING. A WEATHER FRONT MOVES INTO THE EXTREME WESTERN ALEUTIANS SUN NIGHT. $$ PKZ411-040300- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 AM AKST SAT DEC 3 2011 ...STORM WARNING TODAY... ...HEAVY FREEZING SPRAY WARNING TONIGHT... .TODAY...NW WIND 50 KT. SEAS 25 FT. SNOW SHOWERS. FREEZING SPRAY. .TONIGHT...NW WIND 45 KT DIMINISHING TO 35 KT AFTER MIDNIGHT. SEAS 27 FT. HEAVY FREEZING SPRAY N OF 56N. .SUN...W WIND 30 KT. SEAS 19 FT. FREEZING SPRAY. .SUN NIGHT...S WIND 45 KT. SEAS 13 FT. .MON...E WIND 50 KT. SEAS 20 FT. .TUE...E WIND 40 KT. SEAS 24 FT. .WED...W WIND 40 KT. SEAS 19 FT. $$ PKZ412-040300- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 AM AKST SAT DEC 3 2011 ...STORM WARNING THROUGH TONIGHT... ...HEAVY FREEZING SPRAY WARNING TONIGHT AND SUNDAY... .TODAY...W OF 176W...NW WIND 55 KT. E OF 176W...S WIND 50 KT. SEAS BUILDING TO 28 FT IN THE AFTERNOON. SNOW AND RAIN SHOWERS. FREEZING SPRAY N OF 58N. .TONIGHT...W WIND 55 KT. SEAS 29 FT. SNOW SHOWERS. HEAVY FREEZING SPRAY N OF 58N. .SUN...W WIND 45 KT DIMINISHING TO 35 KT IN THE AFTERNOON. SEAS 24 FT. HEAVY FREEZING SPRAY N OF 58N. .SUN NIGHT...SW WIND 30 KT. SEAS 19 FT. .MON...SE WIND 45 KT. SEAS 20 FT. .TUE...SE WIND 35 KT. SEAS 23 FT. .WED...S WIND 35 KT. SEAS 18 FT. $$ PKZ413-040300- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 AM AKST SAT DEC 3 2011 ...STORM WARNING TODAY... .TODAY...W WIND 50 KT. SEAS 22 FT. SNOW AND RAIN SHOWERS. .TONIGHT...W WIND 40 KT. SEAS 24 FT. SNOW AND RAIN SHOWERS. FREEZING SPRAY W OF 176W. .SUN...W WIND 30 KT. SEAS 21 FT. .SUN NIGHT...S WIND 35 KT. SEAS 18 FT. .MON...SE WIND 50 KT. SEAS 21 FT. .TUE...S WIND 40 KT. SEAS 21 FT. .WED...SW WIND 35 KT. SEAS 17 FT. $$ PKZ414-040300- BERING SEA OFFSHORE EAST OF 171W 400 AM AKST SAT DEC 3 2011 ...HURRICANE FORCE WIND WARNING TODAY... .TODAY...W OF 168W...S WIND 55 TO 65 KT. SEAS 30 FT. E OF 168W...S WIND 30 TO 40 KT. SEAS 22 TO 26 FT. RAIN AND SNOW. .TONIGHT...SW WIND 40 TO 50 KT. SEAS 25 TO 29 FT. SNOW AND RAIN SHOWERS. .SUN...W WIND 40 KT. SEAS 22 FT. .SUN NIGHT...W WIND 30 KT. SEAS 20 FT. .MON...S WIND 45 KT. SEAS 16 FT. .TUE...SE WIND 35 KT. SEAS 19 FT. .WED...S WIND 35 KT. SEAS 15 FT. $$
291 FZAK62 PAFC 040018 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST SAT DEC 3 2011 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-041500- 400 PM AKST SAT DEC 3 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 962 MB LOW NEAR 60N 173W MOVES TO OVER THE CHUKCHI SEA AND WEAKENS TO 972 MB SUNDAY AFTERNOON. A 967 MB LOW NEAR 47N 168E SUNDAY NIGHT MOVES TO 50N 173E AT 966 MB MONDAY AFTERNOON. $$ PKZ411-041500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST SAT DEC 3 2011 ...GALE WARNING TONIGHT AND SUNDAY NIGHT... .TONIGHT...NW WIND 35 TO 45 KT DIMINISHING TO W 20 TO 30 KT AFTER MIDNIGHT. SEAS 17 TO 23 FT. FREEZING SPRAY. .SUN...W WIND 25 KT. SOUTH OF 55N...WINDS BECOMING SE 25 KT IN THE AFTERNOON. SEAS 16 FT. FREEZING SPRAY. .SUN NIGHT...W WIND 25 KT BECOMING SE 40 KT AFTER MIDNIGHT. SEAS 11 FT. FREEZING SPRAY. .MON...NE WIND 50 KT. SEAS 19 FT. .MON NIGHT...NE WIND 50 KT. SEAS 20 FT. .TUE...NE WIND 40 KT. SEAS 21 FT. .WED...NW WIND 40 KT. SEAS 21 FT. .THU...W WIND 30 KT. SEAS 13 FT. $$ PKZ412-041500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST SAT DEC 3 2011 ...STORM WARNING TONIGHT... .TONIGHT...NW WIND 40 TO 55 KT. SEAS 20 TO 27 FT. SNOW. FREEZING SPRAY. .SUN...W WIND 45 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 21 FT. FREEZING SPRAY. .SUN NIGHT...W WIND 30 KT. SEAS 16 FT. FREEZING SPRAY. .MON...SE WIND 40 KT. SEAS 11 FT. .MON NIGHT...SE WIND 45 KT. SEAS 17 FT. .TUE...SE WIND 40 KT. SEAS 21 FT. .WED...S WIND 35 KT. SEAS 19 FT. .THU...SW WIND 30 KT. SEAS 15 FT. $$ PKZ413-041500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 PM AKST SAT DEC 3 2011 ...GALE WARNING TONIGHT AND SUNDAY NIGHT... .TONIGHT...NW WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS 20 TO 27 FT. .SUN...W WIND 20 TO 30 KT. SEAS 18 FT. .SUN NIGHT...SW WIND 25 KT IN THE EVENING BECOMING SE 30 TO 40 KT. SEAS 15 FT. .MON...SE WIND 45 KT. SEAS 16 FT. .MON NIGHT...SE WIND 40 KT. SEAS 18 FT. .TUE...S WIND 40 KT. SEAS 20 FT. .WED AND THU...SW WIND 35 KT. SEAS 18 FT. $$ PKZ414-041500- BERING SEA OFFSHORE EAST OF 171W 400 PM AKST SAT DEC 3 2011 ...STORM WARNING TONIGHT... .TONIGHT...SW WIND 40 TO 55 KT DIMINISHING TO 30 TO 40 KT AFTER MIDNIGHT. SEAS 20 TO 26 FT. SNOW. .SUN...W WIND 25 TO 35 KT. SEAS 19 FT. .SUN NIGHT...W WIND 20 TO 30 KT. SEAS 16 FT. .MON...SE WIND 35 KT. SEAS 12 FT. .MON NIGHT...SE WIND 40 KT. SEAS 14 FT. .TUE...SE WIND 45 KT. SEAS 19 FT. .WED...S WIND 35 KT. SEAS 16 FT. .THU...S WIND 30 KT. SEAS 14 FT. $$
What forecasters said that day
The local office's own words before this storm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Anchorage, AK wrote its last area forecast discussion before this storm warning went out at Dec 2, 4:00 PM AKST, 0 minutes earlier.
Area forecast discussion, Dec 2, 4:00 PM AKST, 0 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
400 PM AKST FRI DEC 2 2011
.ANALYSIS AND UPPER LEVELS...THE UPPER LEVEL PATTERN REMAINS WITH THE
LARGE RIDGE OVER THE EASTERN GULF UP TOWARD THE ALCAN BORDER AND LOW
EXTENDING OUT OF THE ARCTIC INTO THE WESTERN BERING SEA. IN BETWEEN
THESE FEATURES THERE IS A FAIRLY STRONG JET STREAM RUNNING FROM
SOUTHWEST TO NORTHEAST AND THEN CURVING EASTWARD OVER THE TOP OF THE
RIDGE. AS EXPECTED BOTH OF THESE FEATURES ARE AMPLIFYING WITH THE
RIDGE BECOMING MORE NARROW AND PUSHING NORTHWARD AS THE TROUGH
BECOMES STRONGER AND DIGS FARTHER SOUTH AND EAST. THIS AMPLIFICATION
WILL CAUSE THE JET STREAM TO BECOME MORE SOUTH TO NORTH ORIENTATED
AND INCREASE IN STRENGTH.
.MODEL DISCUSSION...AFTER A NUMBER OF DAYS WITH THE MODELS STRUGGLING
THEY HAVE CONVERGED ON A COMMON AND CONSISTENT SOLUTION WITH THE
LARGE LOW MOVING THROUGH THE BERING SEA. OTHER MAJOR FEATURES LOOS TO
BE HANDLED WELL ALSO. THE ONLY DIFFERENCE THAT WILL MAKE AN IMPACT ON
THE FORECAST IS ON SUNDAY WITH THE FRONTAL PASSAGE OVER SOUTH CENTRAL
ALASKA. AT THAT TIME THE NAM AND ECMWF ARE FASTER IN BRINGING THROUGH
THE COLD AIR WHILE THE GFS DELAYS IT SOME. THIS IS NOT A HUGE
DIFFERENCE BUT IT WILL BE THE DIFFERENCE WITH RAIN TURNING TO SNOW
DURING THE AFTERNOON SUNDAY OR THE CHANGE NOT OCCURRING UNTIL
OVERNIGHT.
.SHORT TERM FORECAST...BIG WARM UP IS RUNNING ON SCHEDULE WITH THE
SURGE MOVING INTO SOUTHWEST ALASKA TONIGHT AND INTO SOUTH CENTRAL
ALASKA TOMORROW. PRECIPITATION TYPE THROUGH TOMORROW AFTERNOON
CONTINUES TO BE DIFFICULT IN SOUTH CENTRAL. WHAT IS FAIRLY CERTAIN IS
THAT WINDS WILL INCREASE TO HIGH WIND WARNING LEVELS IN TURNAGAIN ARM
AND HIGHER ELEVATIONS AROUND ANCHORAGE THROUGH THE MATANUSKA VALLEY.
WINDS WILL ALSO BECOME SOUTHEAST DURING THE AFTERNOON TOMORROW IN
THOSE AREAS WHICH WILL BRING TEMPERATURES INTO THE 40S IN MANY
PLACES. WINDS IN THE ANCHORAGE BOWL AND MATSU VALLEY WILL ALSO BE
SIGNIFICANT WITH SOUTHEAST WINDS GUSTING IN THE 45 TO 60 MPH RANGE
ARE POSSIBLE SATURDAY AFTERNOON INTO SUNDAY MORNING. THE HIGHEST
WINDS WILL STILL BE ALONG TURNAGAIN ARM AND AT HIGHER ELEVATIONS.
THE OTHER CONCERN IS FOR FREEZING RAIN IN THE ANCHORAGE AREA TOMORROW
EARLY MORNING WITH THE INITIAL SHORT WAVE THAT GOES THROUGH BEFORE
THE MAIN PUSH OF PRECIPITATION AROUND MIDDAY. THE LATEST DATA SHOWS
AN INCREASED CHANCE OF FREEZING RAIN DEVELOPING IN THE EARLY STAGES
OF THE MAIN PRECIPITATION IN ANCHORAGE IN THE LATE MORNING THROUGH
EARLY AFTERNOON. THE LATEST MODEL DATA SHOWS WINDS REMAINING
NORTHEAST IN TOWN INTO EARLY AFTERNOON WHICH WOULD KEEP TEMPERATURES
BELOW FREEZING DURING THE BEGINNING OF THE PRECIPITATION WHICH WOULD
FALL AS FREEZING RAIN. THIS SHOULD BE WATCHED AS IT COULD DEVELOP
INTO A TRAVEL HAZARD IN ANCHORAGE AND INTO THE MATSU VALLEY.
THE PRINCE WILLIAM SOUND AREA WILL BE ALL RAIN WITH THE POSSIBLE
EXCEPTION OF VALDEZ. RECENT MODEL RUNS HAVE TEMPERATURES THERE COOLER
THAN PREVIOUS RUNS WHICH OPENS UP THE POSSIBILITY OF PRECIPITATION
REMAINING MOSTLY SNOW OR REMAINING SNOW LONGER THAN PREVIOUSLY
EXPECTED. IF IT DOES REMAIN SNOW IT WILL BE A SIGNIFICANT SNOWFALL
EVEN FOR VALDEZ STANDARDS.
.LONG TERM FORECAST...COLD AIR WILL WILL MOVE BACK INTO SOUTHWEST
ALASKA SATURDAY NIGHT INTO SUNDAY AND THEN SWEEP INTO SOUTH CENTRAL
ALASKA SUNDAY EVENING. ANOTHER LESS SIGNIFICANT WARM UP COULD OCCUR
DURING THE MIDDLE OF NEXT WEEK.
.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 101. WINTER STORM WATCH 145.
MARINE...GALE 130 132 150 155 160 165 170 172 175 176 180.
STORM 179 185.
HEAVY FREEZING SPRAY 185.
FIRE WEATHER...NONE.
DEC 11The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 2, 4:00 PM AKST | Small Craft Advisory | AFC | 12 hr | |
| Dec 2, 4:00 PM AKST | Storm Warning | AFC | 36 hr | |
| Dec 2, 4:00 PM AKST | Heavy Freezing Spray Warning | AFC | 24 hr | |
| Dec 2, 4:10 PM AKST | Winter Weather Advisory | AFC | 48 hr | |
| Dec 2, 4:23 PM AKST | High Wind Warning | AFC | 44 hr | |
| Dec 2, 9:25 PM AKST | Hurricane Force Wind Warning | AFC | 19 hr | |
| Dec 2, 9:26 PM AKST | High Wind Warning | AFC | 18 hr | |
| Dec 3, 4:00 AM AKST | Gale Warning | AFC | 24 hr | |
| Dec 3, 4:00 AM AKST | Gale Warning | AFC | 12 hr | |
| Dec 3, 4:00 AM AKST | Hurricane Force Wind Warning | AFC | 12 hr | |
| Dec 3, 4:00 AM AKST | Hurricane Force Wind Warning | AFC | 12 hr | |
| Dec 3, 4:00 AM AKST | Heavy Freezing Spray Warning | AFC | 12 hr | |
| Dec 3, 4:41 AM AKST | Blizzard Warning | AFC | 5 hr | |
| Dec 3, 9:41 AM AKST | Freezing Rain Advisory | AFC | 12 hr | |
| Dec 3, 11:50 AM AKST | Storm Warning | AFC | 28 hr | |
| Dec 3, 2:55 PM AKST | Freezing Rain Advisory | AFC | 6 hr |
Nearby
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.