Alert archive / Alaska / Storm Warnings in 2008
Storm Warning 108, NWS Anchorage, AK
NWS Anchorage, AK issued this storm warning at Aug 17, 2008, 4:00 PM AKDT. 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
- Aug 17, 2008, 4:00 PM AKDT (00:00 UTC)
- Expired
- Aug 18, 2008, 4:00 PM AKDT
- In force
- 24 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
000 FZAK61 PAFC 172349 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKDT SUN AUG 17 2008 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. PKZ399-181400- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 993 MB LOW AT 53N 158W WILL RAPIDLY DEEPEN TO A STORM FORCE 978 MB LOW AT 55N 150W BY MON AFTERNOON. THIS LOW WILL THEN DRIFT TO 52N 139W BY TUE AFTERNOON AND MAINTAIN ITS STRENGTH. $$ PKZ351-181400- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKDT SUN AUG 17 2008 ...STORM WARNING MONDAY AND MONDAY NIGHT... .TONIGHT...VARIABLE WINDS 10 KT INCREASING TO SE 25 KT AFTER MIDNIGHT. SEAS 5 FT. .MON...E WIND 40 KT INCREASING TO E 50 KT IN THE AFTERNOON. SEAS 16 FT. RAIN. .MON NIGHT...E WIND 50 KT. SEAS 16 FT. RAIN. .TUE...NE WIND 35 KT. SEAS 15 FT. .TUE NIGHT...N WIND 20 KT. SEAS 12 FT. .WED...SW WIND 15 KT. SEAS 9 FT. .THU AND FRI...SE WIND 25 KT. SEAS 9 FT. $$ PKZ352-181400- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKDT SUN AUG 17 2008 ...STORM WARNING MONDAY... .TONIGHT...S WIND 20 KT INCREASING TO SE 40 KT AFTER MIDNIGHT. SEAS 4 FT BUILDING TO 10 FT AFTER MIDNIGHT. RAIN. .MON...SE WIND 50 KT DIMINISHING TO E 40 KT IN THE AFTERNOON. SEAS 15 FT. RAIN. .MON NIGHT...E WIND 40 KT. SEAS 13 FT. RAIN. .TUE...NE WIND 40 KT. SEAS 14 FT. .TUE NIGHT...N WIND 25 KT. SEAS 13 FT. .WED...SW WIND 15 KT. SEAS 10 FT. .THU...SE WIND 25 KT. SEAS 8 FT. .FRI...W WIND 25 KT. SEAS 9 FT. $$
2 follow-up statements
000 FZAK61 PAFC 181146 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKDT MON AUG 18 2008 WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ399-190200- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 983 MB LOW NEAR 54N 154W WILL DEEPEN TO 974 MB NEAR 54N 151W MONDAY AFTERNOON. THIS LOW WILL THEN MAINTAIN INTENSITY AS IT MOVES TO 52N 142W BY TUESDAY AFTERNOON. $$ PKZ351-190200- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 AM AKDT MON AUG 18 2008 ...STORM WARNING THROUGH TONIGHT... .TODAY...E WIND 50 KT. SEAS 16 FT. RAIN. .TONIGHT...E WIND 50 KT. SEAS 17 FT. RAIN. .TUE...NE WIND 35 KT. SEAS 16 FT. .TUE NIGHT...N WIND 20 KT. SEAS 12 FT. .WED...SW WIND 15 KT. SEAS 9 FT. .THU...E WIND 25 KT. SEAS 8 FT. .FRI...SE WIND 25 KT. SEAS 10 FT. $$ PKZ352-190200- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 AM AKDT MON AUG 18 2008 ...STORM WARNING TODAY... .TODAY...SE WIND 50 KT. SEAS 14 FT. RAIN. .TONIGHT...E WIND 40 KT. SEAS 15 FT. RAIN. .TUE...NE WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 15 FT. .TUE NIGHT...N WIND 25 KT. SEAS 13 FT. .WED...VARIABLE WIND 10 KT. SEAS 9 FT. .THU...E WIND 25 KT. SEAS 7 FT. .FRI...E WIND 25 KT. SEAS 11 FT. $$
000 FZAK61 PAFC 182311 OFFAER OFFSHORE WATERS FORECAST FOR GULF OF ALASKA WEST OF 144W NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKDT MON AUG 18 2008 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. PKZ399-191400- .SYNOPSIS FOR THE WESTERN GULF OF ALASKA... A 976 MB LOW AT 54N 151W WILL MOVE TO 52N 142W AT 980 MB BY TUE AFTERNOON THEN TO 50N 131W AT 989 MB BY WED AFTERNOON. $$ PKZ351-191400- GULF OF ALASKA OFFSHORE NORTH OF 57N AND WEST OF 144W 400 PM AKDT MON AUG 18 2008 ...GALE WARNING THROUGH TUESDAY... .TONIGHT...E WIND 45 KT. SEAS 19 FT. RAIN. .TUE...NE WIND 35 KT. SEAS 16 FT. .TUE NIGHT...NE WIND 20 KT. SEAS 12 FT. .WED...W WIND 15 KT. SEAS 9 FT. .WED NIGHT...VARIABLE WIND 10 KT. SEAS 7 FT. .THU...E WIND 25 KT. SEAS 8 FT. .FRI THROUGH SAT...SE WIND 25 KT. SEAS 10 FT. $$ PKZ352-191400- GULF OF ALASKA OFFSHORE SOUTH OF 57N NORTH OF 55N AND WEST OF 144W 400 PM AKDT MON AUG 18 2008 ...GALE WARNING THROUGH TUESDAY... .TONIGHT...E WIND 40 KT. SEAS 15 FT. RAIN. .TUE...NE WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 15 FT. .TUE NIGHT...NE WIND 25 KT. SEAS 13 FT. .WED...VARIABLE WIND 10 KT. SEAS 9 FT. .WED NIGHT...SE WIND 15 KT. SEAS 7 FT. .THU...E WIND 25 KT. SEAS 7 FT. .FRI...W WIND 25 KT. SEAS 11 FT. .SAT...W WIND 30 KT. SEAS 10 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 Aug 17, 1:00 PM AKDT, 3 hours earlier.
Area forecast discussion, Aug 17, 1:00 PM AKDT, 3 hours before
AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
100 PM AKDT SUN AUG 17 2008
.MODEL DISCUSSION...
NUMERICAL MODELS IN DECENT AGREEMENT THROUGH ABOUT 84 HOURS BEFORE
DIFFERENCES BEGIN TO BE SIGNIFICANT. AFTERNOON FORECAST PACKAGE
MAINLY BASED ON GFS...WITH A SPRINKLING OF NAM. AFTER 84 HOURS
CONFIDENCE NOT HIGH AND FORECASTS WERE NOT CHANGED MUCH.
.ANALYSIS AND UPPER LEVELS...
UPPER LOW CENTERED OVER THE EASTERN BERING SEA WITH A SAGGY
PROTUBERANCE INTO SOUTHERN ALASKA. WEAK UPPER RIDGE OVER THE
CENTRAL BERING CONNECTED NORTHWARD TO A MUCH STRONGER RIDGE NORTH
OF SIBERIA. THE JET STREAM SLICES THROUGH THE ALEUTIANS WITH A
SURFACE LOW FORMING IN THE LEFT EXIT REGION.
.SHORT TERM FORECAST...
THE SURFACE LOW FORMING SOUTH OF THE ALASKA PENINSULA WILL RAPIDLY
DEEPEN ON MONDAY WITH ALL MAJOR MODELS FORECASTING A CENTRAL
PRESSURE OF LESS THAN 980 MB. AS MENTIONED ABOVE THIS SYSTEM HAS
NICE JET SUPPORT AND STORM FORCE WINDS ARE LIKELY OVER THE WATERS
SOUTH OF ALASKA FROM ABOUT SAND POINT NORTHEASTWARD TO ABOUT KODIAK.
RAIN FROM THIS SYSTEM WILL POSSIBLY GET AS FAR NORTH AS THE EASTERN
KENAI PENINSULA WITH HEAVIER RAINFALL OVER KODIAK ISLAND.
OVER INTERIOR PORTIONS OF SOUTHERN ALASKA SHOWERS AND ISOLATED
THUNDERSTORMS EXPECTED THIS EVENING IN THE UNSTABLE AIR ASSOCIATED
WITH THE SAGGY TROUGH OVERHEAD. LESS ACTIVITY MONDAY WITH SOME
SUPPRESSION NORTH OF THE GULF LOW AND WARM AIR ADVECTION ALOFT.
.LONG TERM FORECAST...
UPPER LEVEL TROUGH SETTLES IN OVER ALASKA LATER IN THE WEEK FOR MORE
UNSETTLED WEATHER. EXACT PATTERN CONFIDENCE NOT SO GREAT...BUT
LIKELIHOOD OF CYCLONIC FLOW (THUS SHOWERY WEATHER) IS HIGH. HPC
GUIDANCE LOOKS GOOD AND FITS WELL WITH GOING FORECAST.
.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM WARNING 130 132 150.
GALE WARNING 120 138 155.
FIRE WEATHER...NONE.
LUDWIG AUG 08The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 17, 4:00 PM AKDT | Gale Warning | AFC | 36 hr | |
| Aug 17, 4:00 PM AKDT | Storm Warning | AFC | 36 hr | |
| Aug 18, 4:00 AM AKDT | Small Craft Advisory | AFC | 6 hr | |
| Aug 18, 5:10 AM AKDT | Gale Warning | AFC | 23 hr | |
| Aug 18, 10:00 AM AKDT | Gale Warning | AFC | 6 hr | |
| Aug 18, 10:00 AM AKDT | Storm Warning | AFC | 18 hr | |
| Aug 18, 10:41 AM AKDT | Ashfall Advisory | AFC | 37 hr | |
| Aug 18, 10:43 AM AKDT | Marine Weather Statement | AFC | 5 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.