Alert archive / Alaska / Gale Warnings in 2015
Gale Warning 548, NWS Anchorage, AK
NWS Anchorage, AK issued this gale warning at Sep 26, 2015, 3:17 PM AKDT. It was in force for 37 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
- Sep 26, 2015, 3:17 PM AKDT (23:17 UTC)
- Expired
- Sep 28, 2015, 3:52 AM AKDT
- In force
- 37 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
489 FZAK62 PAFC 262317 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 317 PM AKDT SAT SEP 26 2015 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. PKZ499-271415- 317 PM AKDT SAT SEP 26 2015 .SYNOPSIS FOR CENTRAL BERING SEA... A 994 MB LOW NEAR 56N 179W WILL DEEPEN TO 989 MB NEAR 60N 168W SUN MORNING THEN MOVE INLAND SUN NIGHT. HIGH PRESSURE BUILD FROM THE WESTERN BERING SEA SUN NIGHT TO THE EASTERN BERING SEA MON. $$ PKZ411-271415- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE- 317 PM AKDT SAT SEP 26 2015 ...GALE WARNING TONIGHT... .TONIGHT...N WIND 20 TO 35 KT. SEAS 9 TO 15 FT. .SUN...N WIND 15 TO 30 KT. SEAS 9 TO 14 FT. .SUN NIGHT...NW WIND 10 TO 20 KT. SEAS 7 TO 10 FT. .MON...W WIND UP TO 15 KT. SEAS 4 TO 8 FT. .MON NIGHT...SW WIND 10 TO 25 KT. SEAS 4 TO 8 FT. .TUE...S WIND 10 TO 25 KT. SEAS 5 TO 8 FT. .WED...SE WIND 25 TO 40 KT. SEAS 8 TO 16 FT. .THU...SW WIND 15 TO 30 KT. SEAS 9 TO 14 FT. $$ PKZ412-271415- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N- 317 PM AKDT SAT SEP 26 2015 ...GALE WARNING THROUGH SUNDAY... .TONIGHT...NE WIND 20 TO 35 KT. SEAS 7 TO 12 FT. PATCHY FOG. RAIN SHOWERS. .SUN...N WIND 20 TO 35 KT. SEAS 9 TO 14 FT. RAIN SHOWERS. .SUN NIGHT...NW WIND 20 TO 30 KT. SEAS 9 TO 14 FT. .MON...NW WIND 15 TO 30 KT. SEAS 7 TO 11 FT. .MON NIGHT...W WIND 15 TO 25 KT. SEAS 6 TO 11 FT. .TUE...W WIND 10 TO 25 KT. SEAS 6 TO 11 FT. .WED THROUGH THU...S WIND 25 TO 40 KT. SEAS 10 TO 18 FT. $$ PKZ413-271415- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N- 317 PM AKDT SAT SEP 26 2015 ...GALE WARNING SUNDAY... .TONIGHT...SW WIND 10 TO 20 KT BECOMING SW TO NW 15 TO 30 KT AFTER MIDNIGHT. SEAS 5 TO 10 FT. PATCHY FOG. RAIN SHOWERS. .SUN...SW TO N WIND 20 TO 35 KT. SEAS 8 TO 13 FT. PATCHY FOG. RAIN SHOWERS. .SUN NIGHT...N WIND 15 TO 30 KT. SEAS 9 TO 14 FT. .MON...NW WIND 10 TO 25 KT. SEAS 7 TO 11 FT. .MON NIGHT...NW WIND 10 TO 25 KT. SEAS 5 TO 10 FT. .TUE...SW WIND 15 TO 25 KT. SEAS 5 TO 9 FT. .WED...S WIND 25 TO 40 KT. SEAS 8 TO 16 FT. .THU...SW WIND 25 TO 40 KT. SEAS 9 TO 17 FT. $$ PKZ414-271415- BERING SEA OFFSHORE EAST OF 171W- 317 PM AKDT SAT SEP 26 2015 ...GALE WARNING SUNDAY NIGHT... .TONIGHT...S WIND 10 TO 20 KT. SEAS 6 FT. AREAS OF FOG. RAIN. .SUN...SW WIND 20 KT BECOMING 15 TO 30 KT IN THE AFTERNOON. SEAS 6 FT. AREAS OF FOG. RAIN. .SUN NIGHT...NW WIND 20 TO 35 KT. SEAS 8 TO 13 FT. AREAS OF FOG. RAIN. .MON...NW WIND 30 KT. SEAS 11 FT. .MON NIGHT...NW WIND 30 KT. SEAS 11 FT. .TUE...W WIND 15 TO 30 KT. SEAS 7 TO 12 FT. .WED THROUGH THU...S WIND 25 TO 40 KT. SEAS 9 TO 14 FT. $$
3 follow-up statements
331 FZAK62 PAFC 271129 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 329 AM AKDT SUN SEP 27 2015 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-280100- 329 AM AKDT SUN SEP 27 2015 .SYNOPSIS FOR CENTRAL BERING SEA... A 991 MB LOW NEAR 58N 172W MOVES INLAND NEAR 60N 165W THIS AFTERNOON. HIGH PRESSURE BUILDS FROM THE WESTERN BERING SUN NIGHT TO THE EASTERN BERING MON. $$ PKZ411-280100- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE- 329 AM AKDT SUN SEP 27 2015 ...GALE WARNING TODAY... .TODAY...N WIND 20 TO 35 KT DIMINISHING TO 10 TO 20 KT IN THE AFTERNOON. SEAS 8 TO 13 FT. .TONIGHT...NW WIND 10 TO 20 KT. SEAS 6 TO 10 FT. .MON...W WIND 10 TO 20 KT. SEAS 6 FT. .MON NIGHT...SW WIND 10 TO 25 KT. SEAS 4 TO 9 FT. .TUE...S WIND 15 TO 30 KT. SEAS 4 TO 8 FT. .WED...SE WIND 25 TO 40 KT. SEAS 8 TO 16 FT. .THU...SW WIND 15 TO 30 KT. SEAS 11 TO 19 FT. $$ PKZ412-280100- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N- 329 AM AKDT SUN SEP 27 2015 ...GALE WARNING TODAY... .TODAY...N WIND INCREASING TO 20 TO 35 KT...EXCEPT SW 1O TO 20 KT E OF 175W IN THE MORNING. SEAS 9 TO 14 FT. RAIN. .TONIGHT...NW WIND 20 TO 30 KT. SEAS 8 TO 13 FT. .MON...NW WIND 15 TO 30 KT. SEAS 7 TO 10 FT. .MON NIGHT...W WIND 15 TO 25 KT. SEAS 6 TO 10 FT. .TUE...W WIND 15 TO 30 KT. SEAS 5 TO 10 FT. .WED...S WIND 25 TO 40 KT. SEAS 9 TO 14 FT. .THU...S WIND 25 TO 40 KT. SEAS 14 TO 22 FT. $$ PKZ413-280100- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N- 329 AM AKDT SUN SEP 27 2015 ...GALE WARNING TODAY... .TODAY...N WIND INCREASING TO 20 TO 35 KT...EXCEPT SW 15 KT E OF 175W IN THE MORNING. SEAS 9 TO 14 FT. RAIN. .TONIGHT...N WIND 15 TO 30 KT. SEAS 8 TO 13 FT. .MON...NW WIND 10 TO 25 KT. SEAS 6 TO 10 FT. .MON NIGHT...W WIND UP TO 20 KT. SEAS 5 TO 9 FT. .TUE...SW WIND 10 TO 25 KT. SEAS 5 TO 9 FT. .WED THROUGH THU...SW WIND 25 TO 40 KT. SEAS 11 TO 19 FT. $$ PKZ414-280100- BERING SEA OFFSHORE EAST OF 171W- 329 AM AKDT SUN SEP 27 2015 ...GALE WARNING TONIGHT... .TODAY...SW WIND 15 TO 25 KT BECOMING NW 15 TO 30 KT IN THE AFTERNOON. SEAS 6 TO 10 FT. AREAS OF FOG. RAIN. .TONIGHT...NW WIND 20 TO 35 KT. SEAS 8 TO 13 FT. RAIN. .MON...NW WIND 20 TO 30 KT. SEAS 10 FT. .MON NIGHT...NW WIND 20 TO 30 KT. SEAS 10 FT. .TUE...W WIND 15 TO 30 KT. SEAS 6 TO 11 FT. .WED...SW WIND 15 TO 30 KT. SEAS 5 TO 9 FT. .THU...S WIND 25 TO 40 KT. SEAS 10 TO 18 FT. $$
355 FZAK62 PAFC 272309 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 309 PM AKDT SUN SEP 27 2015 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. PKZ499-281315- 309 PM AKDT SUN SEP 27 2015 .SYNOPSIS FOR CENTRAL BERING SEA... A WEATHER FRONT MOVES OVER THE EASTERN BERING MOVES INTO THE GULF LATE TONIGHT. HIGH PRESSURE BUILDS FROM THE WESTERN BERING TONIGHT TO THE EASTERN BERING MON. $$ PKZ411-281315- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE- 309 PM AKDT SUN SEP 27 2015 .TONIGHT...NW WIND 10 TO 20 KT. SEAS 7 TO 10 FT. .MON...NW WIND 10 TO 15 KT. SEAS 3 TO 8 FT. .MON NIGHT...SW WIND 10 TO 25 KT. SEAS 4 TO 9 FT. .TUE...SW WIND 15 TO 25 KT. SEAS 5 TO 9 FT. .TUE NIGHT...S WIND 15 TO 30 KT. SEAS 5 TO 9 FT. .WED...SE WIND 35 TO 50 KT. SEAS 13 TO 21 FT. .THU...SW WIND 25 TO 40 KT. SEAS 13 TO 27 FT. .FRI...SW WIND 15 TO 30 KT. SEAS 8 TO 16 FT. $$ PKZ412-281315- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N- 309 PM AKDT SUN SEP 27 2015 .TONIGHT...NW WIND 20 TO 30 KT. SEAS 8 TO 12 FT. RAIN AND SNOW SHOWERS. .MON...NW WIND 20 TO 30 KT. SEAS 8 TO 11 FT. RAIN AND SNOW SHOWERS. .MON NIGHT...W WIND 15 TO 25 KT. SEAS 7 TO 10 FT. .TUE...W WIND 15 TO 30 KT. SEAS 6 TO 11 FT. .TUE NIGHT...W WIND 10 TO 25 KT. SEAS 5 TO 10 FT. .WED THROUGH THU...S WIND 30 TO 45 KT. SEAS 13 TO 21 FT. .FRI...SW WIND 15 TO 25 KT. SEAS 11 TO 16 FT. $$ PKZ413-281315- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N- 309 PM AKDT SUN SEP 27 2015 .TONIGHT...N WIND 15 TO 30 KT. SEAS 8 TO 13 FT. .MON...N WIND 10 TO 25 KT. SEAS 7 TO 10 FT. .MON NIGHT...NW WIND 10 TO 25 KT. SEAS 5 TO 10 FT. .TUE...W WIND 15 TO 25 KT. SEAS 4 TO 9 FT. .TUE NIGHT...SW WIND 15 TO 25 KT. SEAS 6 TO 10 FT. .WED THROUGH THU...SW WIND 35 TO 50 KT. SEAS 12 TO 20 FT. .FRI...SW WIND 25 KT. SEAS 10 TO 14 FT. $$ PKZ414-281315- BERING SEA OFFSHORE EAST OF 171W- 309 PM AKDT SUN SEP 27 2015 ...GALE WARNING TONIGHT... .TONIGHT...NW WIND 20 TO 35 KT. SEAS 7 TO 12 FT. RAIN. .MON...NW WIND 30 KT. SEAS 8 TO 11 FT. .MON NIGHT...NW WIND 30 KT. SEAS 11 FT. .TUE...NW WIND 20 TO 35 KT. SEAS 8 TO 12 FT. .TUE NIGHT...W WIND 15 TO 30 KT. SEAS 6 TO 11 FT. .WED...SW WIND 20 TO 35 KT. SEAS 5 TO 10 FT. .THU...S WIND 30 TO 45 KT. SEAS 10 TO 18 FT. .FRI...S WIND 25 KT. SEAS 8 TO 12 FT. $$
193 FZAK62 PAFC 281152 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 352 AM AKDT MON SEP 28 2015 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-290130- 352 AM AKDT MON SEP 28 2015 .SYNOPSIS FOR CENTRAL BERING SEA... A FRONT OVER THE EASTERN ALEUTIANS MOVES INTO THE GULF THIS AFTERNOON. HIGH PRESSURE BUILDS FROM THE WESTERN BERING TONIGHT TO THE EASTERN BERING MON. A 984 MB NORTHWEST PACIFIC LOW MOVES TO 53N 162E EARLY WED. $$ PKZ411-290130- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE- 352 AM AKDT MON SEP 28 2015 .TODAY...N WIND 10 TO 15 KT. SEAS 4 TO 7 FT. .TONIGHT...SW WIND 10 TO 25 KT. SEAS 4 TO 7 FT. PATCHY FOG. .TUE...SW WIND 15 TO 25 KT. SEAS 5 TO 8 FT. PATCHY FOG. RAIN. .TUE NIGHT...S WIND 15 TO 30 KT. SEAS 6 TO 9 FT. .WED...SE WIND 30 TO 45 KT. SEAS 11 TO 19 FT. .THU...SW WIND 25 TO 40 KT. SEAS 13 TO 27 FT. .FRI...SW WIND 15 TO 30 KT. SEAS 8 TO 16 FT. $$ PKZ412-290130- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N- 352 AM AKDT MON SEP 28 2015 .TODAY...NW WIND 20 TO 30 KT. SEAS 9 FT. .TONIGHT...W WIND 15 TO 25 KT. SEAS 6 TO 10 FT. .TUE...W WIND 15 TO 30 KT. SEAS 6 TO 10 FT. PATCHY FOG. RAIN. .TUE NIGHT...W WIND 15 TO 30 KT. SEAS 6 TO 11 FT. .WED THROUGH THU...S WIND 35 TO 50 KT. SEAS 13 TO 21 FT. .FRI...SW WIND 15 TO 25 KT. SEAS 11 TO 16 FT. $$ PKZ413-290130- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N- 352 AM AKDT MON SEP 28 2015 .TODAY...N WIND 10 TO 25 KT. SEAS 6 TO 10 FT. .TONIGHT...NW WIND 10 TO 25 KT. SEAS 5 TO 9 FT. .TUE...W WIND 10 TO 25 KT. SEAS 5 TO 8 FT. PATCHY FOG. .TUE NIGHT...SW WIND 15 TO 25 KT. SEAS 6 TO 9 FT. .WED THROUGH THU...SW WIND 35 TO 50 KT. SEAS 12 TO 20 FT. .FRI...SW WIND 25 KT. SEAS 10 TO 14 FT. $$ PKZ414-290130- BERING SEA OFFSHORE EAST OF 171W- 352 AM AKDT MON SEP 28 2015 .TODAY...NW WIND 20 TO 30 KT. SEAS 9 FT. RAIN AND SNOW SHOWERS. .TONIGHT...N WIND 20 TO 30 KT. SEAS 8 TO 11 FT. .TUE...N TO W WIND 30 KT. SEAS 8 TO 12 FT. .TUE NIGHT...W WIND 15 TO 30 KT. SEAS 7 TO 12 FT. .WED...SW WIND 20 TO 35 KT. SEAS 5 TO 9 FT. .THU...S WIND 30 TO 45 KT. SEAS 10 TO 18 FT. .FRI...S WIND 25 KT. SEAS 8 TO 12 FT. $$
What forecasters said that day
The local office's own words before this gale 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 gale warning went out at Sep 26, 5:13 AM AKDT, 10 hours 4 minutes earlier.
Area forecast discussion, Sep 26, 5:13 AM AKDT, 10 hours 4 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION NATIONAL WEATHER SERVICE ANCHORAGE AK 513 AM AKDT SAT SEP 26 2015 .ANALYSIS AND UPPER LEVELS... THE REGION HAS TRANSITIONED TO A MUCH WETTER PATTERN THIS MORNING AS ABUNDANT MOISTURE STREAMS OVER THE SOUTHERN MAINLAND IN FAST ZONAL FLOW BENEATH A 120 KT UPPER LEVEL JET TO THE SOUTH OF AN ARCTIC TROUGH PUSHING ACROSS THE NORTHERN HALF OF THE STATE. THE MOST WIDESPREAD RAIN IS FOCUSED ALONG A QUASI-STATIONARY FRONTAL BOUNDARY THAT EXTENDS FROM THE CENTRAL BERING SEA INTO THE SOUTHWEST MAINLAND...WITH MORE SHOWERY CONDITIONS PREVALENT OVER SOUTHCENTRAL ALASKA. && .MODEL DISCUSSION... MODELS REMAIN IN GOOD AGREEMENT THROUGH EARLY NEXT WEEK WITH RESPECT TO THE SYNOPTIC DETAILS AS THE REGION REMAINS IN A RAINY PATTERN WITH BROAD WESTERLY FLOW BECOMING MORE SOUTHWESTERLY BY SUNDAY AS A BROAD SURFACE LOW TRACKS FROM THE WESTERN ALEUTIANS TO THE KUSKOKWIM DELTA AHEAD OF A SHARP TROUGH SWINGING INTO THE NORTHERN BERING OUT OF EASTERN RUSSIA. && .SHORT TERM FORECAST SOUTHCENTRAL ALASKA (DAYS 1 AND 2)... AS THE UPPER LEVEL FLOW BECOMES MORE WESTWARD IT WILL BRING THE MAIN AREA OF MOISTURE AND LIFT OVER SOUTHCENTRAL ALASKA. THIS WILL GET ENHANCED SUNDAY AS THE UPPER LEVEL FLOW FURTHER BACKS TO THE SOUTHWEST. THIS PATTERN WILL KEEP ABUNDANT RAINFALL OVER SOUTHCENTRAL ALASKA THROUGH THE WEEKEND AND INTO MONDAY. HEAVIEST RAIN WILL BE OVER THE UPSLOPE AREAS OF THE MOUNTAINS. ON SUNDAY A SURFACE LOW WILL MOVE INTO COOK INLET AND INCREASE THE PRESSURE GRADIENT THROUGH TURNAGAIN ARM. THIS WILL BRING IN THE ONE POTENTIAL PITFALL FOR THE ANCHORAGE, MATANUSKA VALLEY, AND WESTERN KENAI PENINSULA. IF THERE IS ENOUGH SOUTHEAST FLOW IT COULD CUT OFF THE RAINFALL BUT THE SOUTHWEST FLOW ALOFT AND ABUNDANT MOISTURE SHOULD BE MORE THAN ENOUGH TO KEEP THE RAINFALL GOING ONCE IT BEGINS. && .SHORT TERM FORECAST SOUTHWEST ALASKA (DAYS 1 AND 2)... THE REMNANTS OF A WEAK TROUGH OVER THE EASTERN BERING WILL MOVE EAST AS IT DISSIPATES TODAY...BRINGING CONTINUED RAIN TO THE SOUTHWEST INTO THIS EVENING. MOST AREAS MAY SEE A SLIGHT BREAK IN THE RAIN LATE THIS EVENING AS THE TROUGH DISSIPATES AHEAD OF THE MUCH STRONGER LOW CURRENTLY OVER THE WESTERN ALEUTIANS. DEEP AND MOIST SOUTHWESTERLY FLOW WILL ACCOMPANY THIS NEXT SYSTEM....PRODUCING WIDESPREAD AND PERSISTENT WETTING RAINS THROUGHOUT THE REGION INTO MONDAY. THIS SOUTHWEST FLOW WILL ALSO BRING UPSLOPE CONDITIONS TO SOUTHERN FACES OF THE THE MOUNTAINS IN NORTHERN BRISTOL BAY...WHICH MAY PRODUCE HEAVY RAIN AT TIMES LATE TONIGHT AND INTO SUNDAY. && .SHORT TERM FORECAST BERING SEA/ALEUTIANS (DAYS 1 AND 2)... THE WESTERN ALEUTIAN LOW AN ITS ASSOCIATED TROUGH STRETCHING INTO THE EASTERN BERING WILL KEEP RAINY CONDITIONS THROUGHOUT THE AREA THIS WEEKEND. AS PRESSURE FALLS DEVELOP AHEAD OF THE ADVANCING LOW...GUSTY SOUTHERLY WINDS WILL OCCUR FROM THE EASTERN ALEUTIANS INTO AKPEN BEFORE DIMINISHING ON SUNDAY MORNING. BEHIND THIS LOW...GALE FORCE NORTHERLY WINDS WILL DEVELOP OVER THE WESTERN BERING WITH STRONG COLD AIR ADVECTION. THESE WINDS WILL THEN SPREAD INTO THE CENTRAL BERING ON SUNDAY AS THE LOW BEGINS TO MAKE LANDFALL NEAR THE KUSKOKWIM DELTA. && .LONG TERM FORECAST (DAYS 3 THROUGH 7)... AN ARCTIC TROUGH OVER THE NORTHERN BERING DROPS DOWN INTO THE CENTRAL BERING OVERNIGHT SUNDAY...WITH AN ASSOCIATED FRONT AT THE SURFACE MAKING ITS WAY INTO THE SOUTHERN MAINLAND BY MONDAY MORNING. MODELS ARE BEGINNING TO HANDLE THESE FEATURES SLIGHTLY BETTER...GIVING A SLIGHT BOOST TO FORECAST CONFIDENCE REGARDING THE TIMING OF PRECIPITATION AND THE ONSET OF THE COLDER NORTHWESTERLY FLOW DEVELOPING OVER THE SOUTHERN MAINLAND FROM MONDAY NIGHT THROUGH MIDWEEK. RIDGING OVER THE BERING ON WEDNESDAY WILL TRACK FURTHER EASTWARD INTO THE GULF BY THURSDAY...BRINGING IN WARMER SOUTHWESTERLY FLOW OVER THE AREA ALONG WITH MORE PRECIPITATION OVER THE SOUTHERN MAINLAND. FURTHER WEST...A RAPIDLY INTENSIFYING NORTH PACIFIC LOW AND ASSOCIATED FRONT WILL TRACK INTO THE WESTERN BERING WEDNESDAY. THIS SYSTEM WILL CONTINUE TO INTENSIFY AS IT TRACKS TO THE NORTHERN BERING SEA...BRINGING WIDESPREAD SOUTHWESTERLY GALE FORCE WINDS AND RAIN THROUGH THE WESTERN AND CENTRAL BERING/ALEUTIANS THROUGH THURSDAY. THIS SYSTEM WILL CONTINUE TO TRACK EASTWARD OVER THE EASTERN BERING/ALEUTIANS BY THURSDAY NIGHT...THEN EVENTUALLY MOVE INLAND OVER THE SOUTHWEST MAINLAND Y FRIDAY. MODELS CONTINUE TO STRUGGLE WITH THE TIMING AND STRENGTH OF THIS SYSTEM AS IT MAKES ITS WAY THROUGH THE BERING SEA AND INTO THE SOUTHERN MAINLAND...KEEPING FORECAST CONFIDENCE LOW IN THIS FEATURE. THE SURFACE LOW OVER THE THE INTERIOR WILL KEEP WARM AND MOIST SOUTHERLY FLOW OVER THE SOUTHERN MAINLAND THROUGH MONDAY...BEFORE DROPPING SOUTHWARD OVER SOUTHCENTRAL ALASKA BY TUESDAY MORNING. PRECIPITATION OVER SOUTHCENTRAL WILL FALL AS RAIN THROUGH TUESDAY EVENING...WHEN THE SYNOPTIC PATTERN CHANGES AND BEGINS TO BRING IN COLDER NORTHWESTERLY FLOW. DURING THIS TIME-FRAME THERE WILL BE LIMITED MOISTURE IN THE REGION BUT STILL A CHANCE FOR SOME SCATTERED SNOW SHOWERS...EXCEPT FOR HIGHER SNOWFALL AMOUNTS ALONG THE WRANGELL MOUNTAINS IN THE COPPER RIVER BASIN. && .AFC WATCHES/WARNINGS/ADVISORIES... PUBLIC...NONE. MARINE...NONE. FIRE WEATHER...NONE. && SYNOPSIS AND MODEL DISCUSSION...CB SOUTHCENTRAL ALASKA...EZ SOUTHWEST ALASKA/BERING SEA/ALEUTIANS...DEK LONG TERM...TP/PD
In the hours before
Special weather statement, Sep 26, 2:40 PM AKDT, 37 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ANCHORAGE AK 240 PM AKDT SAT SEP 26 2015 AKZ101-111-121-145-280300- ANCHORAGE-MATANUSKA VALLEY-WESTERN KENAI PENINSULA-SUSITNA VALLEY- INCLUDING THE CITIES OF...ANCHORAGE...EAGLE RIVER...INDIAN... EKLUTNA...PALMER...WASILLA...SUTTON...CHICKALOON...KENAI... SOLDOTNA...HOMER...COOPER LANDING...TALKEETNA...WILLOW...CANTWELL 240 PM AKDT SAT SEP 26 2015 ...UNSEASONABLY STRONG COLD FRONT EXPECTED TO BRING THE THREAT FOR ACCUMULATING SNOW TO PARTS OF SOUTHCENTRAL TUESDAY... AN UNUSUALLY COLD AIR MASS FOR THIS TIME OF YEAR ORIGINATING FROM SIBERIA WILL MOVE ACROSS SOUTHERN ALASKA MONDAY AND TUESDAY WITH ACCUMULATING SNOWFALL. THE DEVELOPMENT OF A SURFACE LOW IN THE NORTHERN GULF OF ALASKA MONDAY NIGHT AND TUESDAY IN COMBINATION WITH THE COLD AIR MASS WILL RESULT IN TEMPERATURES THAT FALL THROUGH THE DAY TUESDAY. THERE IS MODERATE TO HIGH CONFIDENCE IN THE DEVELOPMENT OF SNOW DOWN TO SEA LEVEL FROM THE NORTHERN SUSITNA VALLEY SOUTHWARD TO THE KENAI PENINSULA. HOWEVER...THERE IS LOW TO MODERATE CONFIDENCE ON THE TIMING AND AMOUNT OF ACCUMULATING SNOW GIVEN DIFFERENCES IN THE TRACK AND INTENSITY OF MODEL SOLUTIONS. REGARDLESS...EVEN THE POTENTIAL FOR SUCH AN EARLY SEASON ACCUMULATING SNOWFALL IS SOMEWHAT RARE. FOR HISTORICAL CONTEXT...THE EARLIEST RECORDED MEASURABLE SNOWFALL AT THE ANCHORAGE INTERNATIONAL AIRPORT (GREATER THAN A TRACE) WAS THE 21ST OF SEPTEMBER 1996 (A TENTH OF AN INCH OF SNOW FELL THAT DAY). DETAILS FOR TUESDAY WILL BECOME MORE CERTAIN BY THE END OF THE WEEKEND...SO STAY TUNED FOR CONTINUED FORECAST UPDATES. AHSENMACHER
The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 26, 3:41 AM AKDT | Gale Warning | AFC | 35 hr | |
| Sep 26, 3:41 AM AKDT | Small Craft Advisory | AFC | 12 hr | |
| Sep 26, 3:17 PM AKDT | Small Craft Advisory | AFC | 36 hr | |
| Sep 26, 3:22 PM AKDT | Gale Warning | AFC | 24 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.