Alert archive / Alaska / Gale Warnings in 2009
Gale Warning 929, NWS Anchorage, AK
NWS Anchorage, AK issued this gale warning at Dec 21, 2009, 4:00 PM AKST. It was in force for 3 days. 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 21, 2009, 4:00 PM AKST (01:00 UTC)
- Expired
- Dec 24, 2009, 4:00 PM AKST
- In force
- 3 days
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
000 FZAK61 PAFC 220025 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST MON DEC 21 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-221500- 400 PM AKST MON DEC 21 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A STRONG WEATHER FRONT IN THE WESTERN GULF WILL MOVE TO THE CENTRAL GULF TONIGHT AND TO THE EASTERN GULF TUE MORNING...GRADUALLY WEAKENING. A 980 MB LOW MOVES NORTHWEST TO 57N 148W LATE TUE NIGHT...THEN TO 59N 153W AT 986 MB WED AFTERNOON. $$ PKZ351-221500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST MON DEC 21 2009 ...GALE WARNING TONIGHT AND TUESDAY NIGHT... .TONIGHT...SE WIND 40 KT BECOMING S 15 TO 25 KT AFTER MIDNIGHT. SEAS 21 FT. RAIN. .TUE...S WIND 15 KT BECOMING E IN THE AFTERNOON. SEAS 19 FT. RAIN. .TUE NIGHT...E WIND 35 KT INCREASING TO 45 KT AFTER MIDNIGHT. SEAS 23 FT. .WED...SE WIND 45 KT. SEAS 24 FT. .WED NIGHT...SE WIND 30 KT. SEAS 17 FT. .THU...E WIND 35 KT. SEAS 17 FT. .FRI...SE WIND 35 KT. SEAS 21 FT. .SAT...SE WIND 25 KT. SEAS 18 FT. $$ PKZ352-221500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST MON DEC 21 2009 ...GALE WARNING TONIGHT AND TUESDAY NIGHT... .TONIGHT...SE WIND 40 KT DIMINISHING TO S 25 KT AFTER MIDNIGHT. SEAS 21 FT. RAIN. .TUE...SE WIND 15 KT. SEAS 20 FT. .TUE NIGHT...NE WIND 30 KT BECOMING SE 40 KT AFTER MIDNIGHT. SEAS 20 FT. .WED...S WIND 30 KT. SEAS 19 FT. .WED NIGHT...SE WIND 35 KT. SEAS 15 FT. .THU...E WIND 35 KT. SEAS 19 FT. .FRI...SE WIND 35 KT. SEAS 22 FT. .SAT...SE WIND 15 KT. SEAS 17 FT. $$
6 follow-up statements
000 FZAK61 PAFC 221201 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST TUE DEC 22 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-230300- 400 AM AKST TUE DEC 22 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA...A WEATHER FRONT WILL SLOWLY WEAKEN ALONG THE NORTH GULF COAST THROUGH THIS EVENING. A 989 MB LOW NEAR 50N 147W THIS AFTERNOON WILL STRENGTHEN TO 977 MB AT 57N 151W WED MORNING AND MOVE INLAND NEAR 59N 154W WED EVENING. $$ PKZ351-230300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST TUE DEC 22 2009 ...GALE WARNING TONIGHT AND WEDNESDAY... .TODAY...S WIND 15 KT BECOMING E IN THE AFTERNOON. SEAS 19 FT. RAIN. .TONIGHT...E WIND 35 KT INCREASING TO 45 KT AFTER MIDNIGHT. SEAS 23 FT. .WED...SE WIND 45 KT BECOMING S 35 KT IN THE AFTERNOON. SEAS 24 FT. .WED NIGHT...SE WIND 30 KT. SEAS 17 FT. .THU...E WIND 30 KT. SEAS 15 FT. .FRI...SE WIND 35 KT. SEAS 20 FT. .SAT...SE WIND 25 KT. SEAS 17 FT. $$ PKZ352-230300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST TUE DEC 22 2009 ...GALE WARNING TONIGHT AND WEDNESDAY... .TODAY...S WIND 15 KT BECOMING E 25 KT IN THE AFTERNOON. SEAS 20 FT. .TONIGHT...NE WIND 30 KT BECOMING E 40 KT AFTER MIDNIGHT. SEAS 20 FT. .WED...SW WIND 35 KT. SEAS 20 FT. .WED NIGHT...SE WIND 35 KT. SEAS 15 FT. .THU...E WIND 25 KT. SEAS 16 FT. .FRI...SE WIND 35 KT. SEAS 20 FT. .SAT...SE WIND 20 KT. SEAS 16 FT. $$
000 FZAK61 PAFC 230009 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST TUE DEC 22 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-231500- 400 PM AKST TUE DEC 22 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 995 MB LOW NEAR 50N 145W WILL MOVE TO 58N 146W AT 988 MB TUE NIGHT AND THEN RAPIDLY DISSIPATE NEAR 60N 148W WED EVENING. A 965 MB LOW WILL BE NEAR 48N 158W THU AFTERNOON. $$ PKZ351-231500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST TUE DEC 22 2009 ...GALE WARNING THROUGH WEDNESDAY... .TONIGHT...NE WIND INCREASING TO 25 TO 40 KT THIS EVENING...BECOMING SE E OF 147W AFTER MIDNIGHT. SEAS 15 TO 22 FT. RAIN. .WED...SW WIND 30 TO 40 KT. SEAS 15 TO 22 FT. RAIN. .WED NIGHT...SE WIND 20 KT BECOMING E 30 KT AFTER MIDNIGHT. SEAS 16 FT. .THU...E WIND 35 KT. SEAS 14 FT. .THU NIGHT...E WIND 35 KT. SEAS 17 FT. .FRI...SE WIND 30 KT. SEAS 19 FT. .SAT...SE WIND 25 KT. SEAS 17 FT. .SUN...SE WIND 20 KT. SEAS 15 FT. $$ PKZ352-231500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST TUE DEC 22 2009 ...GALE WARNING WEDNESDAY NIGHT... .TONIGHT...NE WIND 20 KT BECOMING W 30 KT AFTER MIDNIGHT. SEAS 14 TO 19 FT. RAIN AND SNOW. .WED...SW WIND 20 TO 30 KT...BECOMING SE IN THE AFTERNOON. SEAS 17 FT. .WED NIGHT...E WIND 25 TO 35 KT. SEAS 15 FT. .THU...E WIND 35 KT. SEAS 15 FT. .THU NIGHT...SE WIND 25 KT. SEAS 18 FT. .FRI...SE WIND 25 KT. SEAS 18 FT. .SAT...SE WIND 20 KT. SEAS 16 FT. .SUN...SE WIND 25 KT. SEAS 13 FT. $$
000 FZAK61 PAFC 231241 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST WED DEC 23 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-240300- 400 AM AKST WED DEC 23 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 982 MB LOW NEAR 57N 147W WILL MOVE INLAND AT 990 MB NEAR SEWARD THIS AFTERNOON AND THEN RAPIDLY DISSIPATE OVER COOK INLET THIS EVENING. A 970 MB LOW WILL BE NEAR 49N 157W EARLY FRI MORNING. $$ PKZ351-240300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST WED DEC 23 2009 ...GALE WARNING TODAY AND THURSDAY... .TODAY...SW WIND 45 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 22 FT. .TONIGHT...E WIND 30 KT. SEAS 16 FT. .THU...E WIND 40 KT BECOMING SE 25 KT IN THE AFTERNOON. SEAS 15 FT. RAIN. .THU NIGHT...E WIND 30 KT. SEAS 16 FT. .FRI...SE WIND 25 KT. SEAS 16 FT. .SAT...SE WIND 20 KT. SEAS 13 FT. .SUN...SE WIND 25 KT. SEAS 12 FT. $$ PKZ352-240300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST WED DEC 23 2009 ...GALE WARNING THROUGH TONIGHT... .TODAY...SW WIND 35 KT BECOMING SE 25 KT IN THE AFTERNOON. SEAS 17 FT. .TONIGHT...E WIND 35 KT. SEAS 15 FT. .THU...E WIND 30 KT. SEAS 14 FT. .THU NIGHT...SE WIND 30 KT. SEAS 16 FT. .FRI...SE WIND 25 KT. SEAS 16 FT. .SAT...SE WIND 25 KT. SEAS 15 FT. .SUN...SE WIND 30 KT. SEAS 13 FT. $$
000 FZAK61 PAFC 240021 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST WED DEC 23 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-241500- 400 PM AKST WED DEC 23 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 998 MB LOW NEAR 60N 149W WILL RAPIDLY DISSIPATE OVER COOK INLET THIS EVENING. A 965 MB LOW NEAR 48N 160W THU AFTERNOON WILL MOVE TO 51N 155W AT 973 MB FRI AFTERNOON. $$ PKZ351-241500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST WED DEC 23 2009 ...GALE WARNING THURSDAY... .TONIGHT...SE WIND 20 KT BECOMING E 30 KT AFTER MIDNIGHT. SEAS 18 FT. .THU...E WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 15 FT. RAIN. .THU NIGHT...E WIND 30 KT. SEAS 15 FT. RAIN. .FRI...SE WIND 30 KT. SEAS 16 FT. .FRI NIGHT...SE WIND 20 KT. SEAS 15 FT. .SAT AND SUN...SE WIND 25 KT. SEAS 13 FT. .MON...E WIND 35 KT. SEAS 15 FT. $$ PKZ352-241500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST WED DEC 23 2009 ...GALE WARNING TONIGHT... .TONIGHT...SE WIND 25 KT INCREASING TO E WIND 35 KT AFTER MIDNIGHT. SEAS 15 FT. RAIN. .THU...E WIND 30 KT. SEAS 15 FT. RAIN. .THU NIGHT...E WIND 25 KT. SEAS 15 FT. RAIN. .FRI THROUGH SAT...SE WIND 25 KT. SEAS 15 FT. .SUN AND MON...SE WIND 30 KT. SEAS 17 FT. $$
000 FZAK61 PAFC 241239 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST THU DEC 24 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-250300- 400 AM AKST THU DEC 24 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 962 MB LOW NEAR 47N 161W WILL SLOWLY WEAKEN TO 980 MB AT 52N 155W EARLY SAT MORNING. $$ PKZ351-250300- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKST THU DEC 24 2009 ...GALE WARNING TODAY AND FRIDAY... .TODAY...E WIND 35 KT DIMINISHING TO SE 25 KT. SEAS 14 FT. RAIN. .TONIGHT...E WIND 25 KT. SEAS 15 FT. .FRI...E WIND 35 KT. SEAS 19 FT. RAIN. .FRI NIGHT...SE WIND 25 KT. SEAS 18 FT. .SAT...SE WIND 30 KT. SEAS 16 FT. .SUN...SE WIND 25 KT. SEAS 13 FT. .MON...E WIND 30 KT. SEAS 14 FT. $$ PKZ352-250300- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKST THU DEC 24 2009 .TODAY...E WIND 30 KT. SEAS 15 FT. .TONIGHT...E WIND 25 KT. SEAS 16 FT. .FRI...E WIND 25 KT. SEAS 17 FT. RAIN. .FRI NIGHT...SE WIND 25 KT. SEAS 17 FT. .SAT...SE WIND 25 KT. SEAS 16 FT. .SUN...SE WIND 30 KT. SEAS 14 FT. .MON...SE WIND 30 KT. SEAS 14 FT. $$
000 FZAK61 PAFC 250024 OFFAER OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST THU DEC 24 2009 OFFSHORE WATERS FORECAST FOR THE GULF OF ALASKA WEST OF 144W 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. PKZ399-251500- 400 PM AKST THU DEC 24 2009 .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... BROAD SOUTHEASTERLY FLOW WILL CONTINUE ACROSS THE WESTERN GULF OF ALASKA THROUGH SATURDAY. $$ PKZ351-251500- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKST THU DEC 24 2009 .TONIGHT...E WIND 25 KT. SEAS 14 FT. RAIN. .FRI...E WIND 30 KT. SEAS 17 FT. RAIN. .FRI NIGHT...SE WIND 20 KT. SEAS 16 FT. .SAT THROUGH SUN...SE WIND 25 KT. SEAS 14 FT. .MON...E WIND 30 KT. SEAS 14 FT. .TUE...E WIND 25 KT. SEAS 12 FT. $$ PKZ352-251500- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKST THU DEC 24 2009 .TONIGHT...E WIND 25 KT. SEAS 15 FT. RAIN. .FRI...E WIND 20 KT. SEAS 15 FT. RAIN. .FRI NIGHT...SE WIND 20 KT. SEAS 13 FT. .SAT...SE WIND 25 KT. SEAS 15 FT. .SAT NIGHT...SE WIND 20 KT. SEAS 13 FT. .SUN AND MON...SE WIND 30 KT. SEAS 15 FT. .TUE...SE WIND 20 KT. SEAS 13 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 Dec 21, 1:00 PM AKST, 3 hours earlier.
Area forecast discussion, Dec 21, 1:00 PM AKST, 3 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
100 PM AKST MON DEC 21 2009
.ANALYSIS AND UPPER LEVELS...
BROAD UPPER LEVEL LOW PRESSURE IS PRESENT OVER THE BERING SEA. A 120
KT SOUTH/SOUTHEASTERLY UPPER LEVEL JET STREAM IN THE NORTH PACIFIC
STRETCHES ACROSS KODIAK ISLAND AND THEN NORTHWEST TOWARD THE SEWARD
PENINSULA. A BUILDING UPPER LEVEL RIDGE IS PRESENT TO THE EAST OF
THIS JET OVER MOST OF THE MAINLAND.
AT THE SURFACE IS A 955 MB LOW APPROACHING SAINT MATTHEW ISLAND FROM
THE SOUTHEAST THIS AFTERNOON. THE STRONGEST WINDS BY FAR ARE ON THE
EAST SIDE OF THE LOW...WITH STORM FORCE WINDS ALONG A FRONT
EXTENDING FROM NUNIVAK ISLAND AND THE KUSKOKWIM DELTA SOUTHEAST INTO
BRISTOL BAY AND THE NORTHWEST GULF OF ALASKA. THERE HAVE BEEN SOME
HURRICANE FORCE WIND GUSTS THROUGH CHANNELED TERRAIN OF THE
SOUTHWEST MAINLAND. WARM AIR IS PRESENT TO THE EAST OF THE BERING
LOW...WITH TEMPERATURES GENERALLY ABOVE FREEZING FROM NORTON SOUND
SOUTH TO BRISTOL BAY...AND EAST TO THE NORTH/WEST IMMEDIATE GULF
COAST. PRECIPITATION...MOSTLY RAIN...IS FALLING OVER THIS SAME
AREA...AND RAIN HAS BEEN HEAVY AT TIMES TODAY AROUND KODIAK ISLAND.
THE ONLY REMAINING ARCTIC AIR IS OVER THE COPPER RIVER BASIN
STRETCHING NORTH AND EAST.
.MODEL DISCUSSION...
MODELS IN FAIRLY GOOD AGREEMENT THROUGH ABOUT WED/WED NIGHT. MAIN
MODEL CONCERN REGARDS A STRONG LOW TRACKING NORTHWEST THROUGH THE
GULF OF ALASKA TUE NIGHT/WED. MODELS HAVE COME INTO BETTER AGREEMENT
WITH THIS...BUT STILL A BIT OF DIFFERENCES IN TIMING AND EXACT
TRACK. BEST GUESS IS FOR A TRACK OVER THE NORTH END OF KODIAK ISLAND
AND INTO KAMISHAK BAY. STRONG WINDS ESPECIALLY ON THE NORTH AND EAST
SIDE OF THIS LOW AND WILL BE BUMPING UP WINDS SOME WITH THIS
FORECAST PACKAGE. FROM THURSDAY AND BEYOND...TIMING OF INDIVIDUAL
LOW PRESSURE SYSTEMS GETS NEAR IMPOSSIBLE...BUT MODELS AGREE FAIRLY
WELL ON KEEPING MEAN UPPER LEVEL LOW PRESSURE FROM THE GULF OF
ALASKA WEST TO THE ALEUTIANS AND BERING SEA...WITH A WARM AIRMASS
OVER MOST OF THE REGION. LATELY...THE REALM OF PREDICTABILITY IN
TRACKING INDIVIDUAL LOW PRESSURE SYSTEMS HAS ONLY BEEN ABOUT 48 TO
60 HOURS OUT.
.SHORT TERM FORECAST...
SOUTHCENTRAL...
A STORM FORCE FRONT OVER THE WESTERN GULF WILL MOVE NORTHEAST TO THE
NORTH/NORTHEAST GULF COAST TONIGHT AND STALL NORTH AND EAST OF
MIDDLETON ISLAND...GRADUALLY WEAKENING. HIGH WIND WARNING FOR
WESTERN TURNAGAIN ARM AND HIGHER ELEVATIONS OF ANCHORAGE IS OUT
THROUGH THIS EVENING...WITH WINDS JUST BELOW WARNING CRITERIA FOR
EASTERN TURNAGAIN ARM AND PORTAGE VALLEY. STILL THINK THIS LOOKS
REASONABLE...WITH IT BEING A LOW END WARNING EVENT. HEAVY RAIN TODAY
FOR KODIAK WILL SPREAD NORTH TONIGHT. THE HEAVIER PRECIPITATION WILL
BE OVER THE EASTERN KENAI AND THE WEST/SOUTHWEST SUSITNA VALLEY.
PRECIP SHOULD REMAIN MOSTLY RAIN AT THE LOWER ELEVATIONS OF THE
EASTERN KENAI. KENAI TO ANCHORAGE TO PALMER AND OVER INTO THE COPPER
RIVER BASIN WILL REMAIN IN THE USUAL DOWNSLOPE HOLE. PRECIPITATION
SHOULD MAKE IT TO VALDEZ AND CORDOVA LATER TONIGHT...BUT IS NOT
EXPECTED TO BE TERRIBLY HEAVY DUE TO EAST/SOUTHEAST FLOW AT LOW
LEVELS CAUSING SOME DOWNSLOPING. WITH THE FRONT STALLING ON
TUESDAY...PRECIPITATION WILL PERSIST ALONG THE NORTH GULF COAST AND
IN THE WESTERN SUSITNA...BUT WILL GRADUALLY BECOME LIGHTER. NEXT
SYSTEM IS LOOKING STRONGER THAN TONIGHTS...AND WILL BE A 980 MB LOW
TRACKING NORTHWEST THROUGH THE GULF TO AROUND KAMISHAK BAY ON
WEDNESDAY. THIS SYSTEM SHOULD HAVE STORM FORCE WINDS ON ITS
NORTH/EAST SIDE...AND WILL BRING THE POTENTIAL FOR ANOTHER HIGH WIND
EVENT FOR THE HIGHER ELEVATIONS OF ANCHORAGE...TURNAGAIN ARM...AND
PORTAGE VALLEY. PRECIP WITH THIS SYSTEM WILL BE HEAVY AT TIMES TUE
NIGHT AND WED...BUT WILL BE MOSTLY RAIN...AND WILL BE GENERALLY
CONFINED TO THE USUAL AREAS FAVORED BY SOUTHEAST FLOW.
SOUTHWEST MAINLAND...
HIGH WIND WITH THE FRONT ON THE EAST SIDE OF THE BERING LOW WILL
CONTINUE INTO EARLY THIS EVENING AND SUBSIDE AS THE FRONT PASSES
THROUGH. RAIN AND SNOW SHOULD RETURN AROUND WEDNESDAY IN ASSOCIATION
WITH THE GULF LOW MOVING TO AROUND KAMISHAK BAY...WITH THE BEST
CHANCE OF PRECIPITATION BEING OVER EASTERN/NORTHERN PORTIONS OF THE
SOUTHWEST MAINLAND. TEMPERATURES WILL REMAIN ABOVE AVERAGE THROUGH
THE NEXT SEVERAL DAYS.
BERING/ALEUTIANS...
955 MB LOW APPROACHING SAINT MATTHEW ISLAND THIS AFTERNOON WILL
ROTATE WEST TONIGHT AND BE ABSORBED INTO A COMPLEX 970 MB-ISH LOW
PRESSURE AREA OVER THE NORTHWEST BERING ON TUESDAY. THE FRONT
ASSOCIATED WITH THE SAINT MATTHEW ISLAND IS THROUGH MOST OF THE
REGION...AS THE FRONT PASSED EAST THROUGH COLD BAY AROUND 11 AM.
GENERALLY SCATTERED RAIN AND SNOW SHOWERS IN WEST TO SOUTHWEST SMALL
CRAFT TO MIN GALE FLOW IS LEFT IN THE FRONTS WAKE OVER MOST OF THE
BERING/ALEUTIANS THROUGH TUESDAY. A WEAK AREA OF HIGH PRESSURE WILL
BUILD NORTH ALONG THE ALEUTIANS TUE NIGHT AND WED AS THE COMPLEX LOW
OVER THE NORTHWEST BERING SLOWLY WEAKENS AND DRIFTS NORTHWEST.
.LONG TERM FORECAST...
AS MENTIONED IN THE MODEL DISCUSSION...TIMING INDIVIDUAL LOW CENTERS
AND SHORTWAVES BECOMES NEARLY IMPOSSIBLE THURSDAY AND BEYOND.
HOWEVER...THE MODELS ARE IN AGREEMENT FOR THE OVERALL PATTERN
THURSDAY AND BEYOND...WITH MEAN LOW PRESSURE FROM THE WESTERN GULF
OF ALASKA WEST INTO THE NORTH PACIFIC AND SOUTHERN BERING...AND
ABOVE AVERAGE TEMPERATURES...A PATTERN THAT WILL BRING DOLOROUS
FEELINGS TO SNOW LOVERS ESPECIALLY OVER THE SOUTHERN MAINLAND.
DISAGREEMENT BETWEEN THE GFS AND ECMWF FROM SUNDAY ONWARD FOR
SOUTHCENTRAL ALASKA...WITH THE GFS BRINGING BACK THE DRIER ARCTIC
AIR AND THE ECMWF KEEPING THE WARM MOIST SOUTHEAST FLOW. TEND TO
LEAN TOWARD THE ECMWF.
.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING 101 155 161 THIS EVENING.
MARINE...STORM WARNING 120.
GALE WARNING 125 130 132 138 140 141 160 172 175 180 185
351 352 412 413 414.
FIRE WEATHER...NONE
FOISY DEC 09The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 21, 4:00 PM AKST | Gale Warning | AFC | 12 hr | |
| Dec 21, 4:00 PM AKST | Gale Warning | AFC | 4 days | |
| Dec 21, 4:00 PM AKST | Gale Warning | AFC | 60 hr | |
| Dec 21, 4:00 PM AKST | Small Craft Advisory | AFC | 10 days | |
| Dec 21, 4:00 PM AKST | Small Craft Advisory | AFC | 12 hr | |
| Dec 21, 4:00 PM AKST | Storm Warning | AFC | 48 hr | |
| Dec 21, 6:10 PM AKST | Gale Warning | AFC | 34 hr | |
| Dec 22, 4:00 AM AKST | Gale Warning | AFC | 12 hr | |
| Dec 22, 4:00 AM AKST | Small Craft Advisory | AFC | 8 days | |
| Dec 22, 4:00 AM AKST | Storm 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.