Alert archive / Alaska / Storm Warnings in 2011
Storm Warning 58, NWS Anchorage, AK
NWS Anchorage, AK issued this storm warning at Feb 22, 2011, 4:00 AM AKST. It was in force for 60 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
- Feb 22, 2011, 4:00 AM AKST (13:00 UTC)
- Expired
- Feb 24, 2011, 4:00 PM AKST
- In force
- 60 hr
- Issued by
- NWS Anchorage, AK
The text
As transmitted, in the capitals the NWS used until 2016.
561 FZAK62 PAFC 221240 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST TUE FEB 22 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. PKZ499-230300- 400 AM AKST TUE FEB 22 2011 .SYNOPSIS FOR CENTRAL BERING SEA... HIGH PRESSURE REMAINS OVER THE EASTERN HALF OF THE BERING THROUGH WED NIGHT. A 986 MB LOW NEAR 43N 172E TUE AFTERNOON INTENSIFIES TO 975 MB NEAR 52N 175E WED AFTERNOON AND THEN MAINTAINS STRENGTH AS IT MOVES TO 59N 177E WED NIGHT. $$ PKZ411-230300- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 AM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY... .TODAY...SW WIND 35 KT BECOMING NW 35 KT IN THE AFTERNOON. SEAS 15 FT. RAIN AND SNOW. .TONIGHT...N WIND 35 KT. SEAS 14 FT. SNOW AND RAIN SHOWERS. .WED...NE WIND 50 KT. SEAS 21 FT. SNOW AND RAIN. .WED NIGHT...W WIND 45 KT. SEAS 21 FT. .THU...W WIND 35 KT. SEAS 20 FT. .FRI...SW WIND 25 KT. SEAS 14 FT. .SAT...SE WIND 30 KT. SEAS 14 FT. $$ PKZ412-230300- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 AM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY... .TODAY...SE WIND 35 KT. SEAS 15 FT. RAIN AND SNOW. .TONIGHT...S WIND 40 KT. SEAS 17 FT. RAIN AND SNOW. .WED...SE WIND 50 KT. SEAS 24 FT. RAIN. .WED NIGHT...S WIND 50 KT. SEAS 26 FT. .THU...SW WIND 40 KT. SEAS 20 FT. .FRI...W WIND 30 KT. SEAS 18 FT. .SAT...SE WIND 30 KT. SEAS 12 FT. $$ PKZ413-230300- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 AM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY... .TODAY...S WIND 35 KT. SEAS 13 FT. .TONIGHT...S WIND 40 KT. SEAS 15 FT. .WED...SE WIND 50 KT. SEAS 23 FT. RAIN. .WED NIGHT...SW WIND 45 KT. SEAS 23 FT. .THU...W WIND 30 KT. SEAS 20 FT. .FRI...NW WIND 25 KT. SEAS 18 FT. .SAT...S WIND 35 KT. SEAS 12 FT. $$ PKZ414-230300- BERING SEA OFFSHORE EAST OF 171W 400 AM AKST TUE FEB 22 2011 ...GALE WARNING TONIGHT AND WEDNESDAY... .TODAY...SE WIND 30 KT. SEAS 10 FT. AREAS OF FOG. .TONIGHT...S WIND 35 KT. SEAS 11 FT. .WED...SE WIND 40 KT. SEAS 14 FT. .WED NIGHT...SE WIND 45 KT. SEAS 17 FT. .THU...SW WIND 45 KT. SEAS 16 FT. .FRI...NW WIND 30 KT. SEAS 16 FT. .SAT...S WIND 30 KT. SEAS 9 FT. $$
6 follow-up statements
736 FZAK62 PAFC 230023 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST TUE FEB 22 2011 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-231500- 400 PM AKST TUE FEB 22 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 997 MB LOW NEAR 61N 176E WILL MOVE TO 70N 175W WED MORNING. A 980 MB LOW NEAR 45N 175E THIS EVENING WILL MOVE TO 53N 176E AT 970 MB WED AFTERNOON AND THEN MOVE TO 63N 177W AT 980 MB THU AFTERNOON. $$ PKZ411-231500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY AND WEDNESDAY NIGHT... .TONIGHT...N WIND 15 TO 25 KT...INCREASING TO 35 KT S OF 56N AFTER MIDNIGHT. SEAS 8 TO 12 FT. SNOW AND RAIN. .WED...NE WIND 40 TO 50 KT. SEAS 15 TO 20 FT. SNOW AND RAIN. .WED NIGHT...N TO W WIND 45 TO 55 KT. SEAS 18 TO 22 FT. SNOW. .THU...W WIND 40 KT. SEAS 21 FT. .THU NIGHT...W WIND 35 KT. SEAS 21 FT. .FRI...SW WIND 25 KT. SEAS 13 FT. .SAT...SE WIND 30 KT. SEAS 14 FT. .SUN...S WIND 30 KT. SEAS 15 FT. $$ PKZ412-231500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY AND WEDNESDAY NIGHT... .TONIGHT...S WIND 35 KT. SEAS 16 FT. PATCHY FOG. RAIN AND SNOW. .WED...SE WIND 35 KT INCREASING TO 50 KT IN THE AFTERNOON. SEAS 22 FT. RAIN AND SNOW. .WED NIGHT...S WIND 55 KT. SEAS 28 FT. RAIN AND SNOW. .THU...SW WIND 50 KT. SEAS 28 FT. .THU NIGHT...W WIND 35 KT. SEAS 23 FT. .FRI...W WIND 30 KT. SEAS 17 FT. .SAT...SE WIND 30 KT. SEAS 12 FT. .SUN...SE WIND 35 KT. SEAS 13 FT. $$ PKZ413-231500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 PM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY AND WEDNESDAY NIGHT... .TONIGHT...S WIND 25 TO 35 KT. SEAS 10 TO 14 FT. PATCHY FOG. RAIN. .WED...SE WIND 40 TO 50 KT. SEAS 17 TO 22 FT. RAIN. .WED NIGHT...S WIND 45 TO 55 KT. SEAS 20 TO 24 FT. RAIN. .THU...SW WIND 40 KT. SEAS 22 FT. .THU NIGHT...W WIND 35 KT. SEAS 21 FT. .FRI...N WIND 25 KT. SEAS 15 FT. .SAT...SE WIND 35 KT. SEAS 12 FT. .SUN...S WIND 35 KT. SEAS 13 FT. $$ PKZ414-231500- BERING SEA OFFSHORE EAST OF 171W 400 PM AKST TUE FEB 22 2011 ...STORM WARNING WEDNESDAY NIGHT... .TONIGHT...SE WIND 20 TO 30 KT. SEAS 8 TO 12 FT. PATCHY FOG. .WED...SE WIND 30 TO 40 KT. SEAS 12 TO 16 FT. .WED NIGHT...S WIND 40 TO 50 KT. SEAS 18 TO 22 FT. RAIN. .THU...S WIND 40 KT. SEAS 17 FT. .THU NIGHT...SW WIND 30 KT. SEAS 16 FT. .FRI...NW WIND 25 KT. SEAS 14 FT. .SAT...SE WIND 30 KT. SEAS 9 FT. .SUN...SE WIND 30 KT. SEAS 10 FT. $$
092 FZAK62 PAFC 231218 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST WED FEB 23 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. PKZ499-240300- 400 AM AKST WED FEB 23 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 980 MB LOW NEAR 47N 175E THIS MORNING WILL DEEPEN TO 970 MB THU MORNING AS IT MOVES TO 58N 178E. IT WILL THEN WEAKEN TO 978 MB THU AFTERNOON AS IT MOVES TO 64N 178W. THE ASSOCIATED STRONG FRONT WILL MOVE OVER THE WESTERN AND CENTRAL ALEUTIANS TODAY. THE FRONT WILL WEAKEN AS IT MOVES OVER THE EASTERN ALEUTIANS THU. $$ PKZ411-240300- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 AM AKST WED FEB 23 2011 ...STORM WARNING THROUGH TONIGHT... .TODAY...N TO E WIND 45 TO 55 KT. SEAS 18 TO 22 FT. SNOW AND RAIN. .TONIGHT...S OF 56N...SW WIND 4O TO 50 KT. N OF 56N...E TO S WIND 25 TO 35 KT. SEAS 18 TO 23 FT. SNOW. FREEZING SPRAY. .THU...W WIND 40 KT. SEAS 22 FT. SNOW SHOWERS. FREEZING SPRAY. .THU NIGHT...W WIND 35 KT. SEAS 22 FT. .FRI...E WIND 45 KT. SEAS 12 FT. .SAT...E WIND 45 KT. SEAS 25 FT. .SUN...SE WIND 45 KT. SEAS 29 FT. $$ PKZ412-240300- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 AM AKST WED FEB 23 2011 ...STORM WARNING TONIGHT AND THURSDAY... .TODAY...SE WIND 35 KT INCREASING TO 45 KT IN THE AFTERNOON. SEAS 17 FT BUILDING TO 23 FT IN THE AFTERNOON. RAIN AND SNOW. .TONIGHT...S WIND 55 KT. SEAS 31 FT. RAIN AND SNOW. .THU...SW WIND 50 KT DIMINISHING TO 40 KT IN THE AFTERNOON. SEAS 31 FT. SNOW. .THU NIGHT...W WIND 35 KT. SEAS 23 FT. .FRI...N WIND 35 KT. SEAS 17 FT. .SAT...E WIND 45 KT. SEAS 22 FT. .SUN...E WIND 40 KT. SEAS 23 FT. $$ PKZ413-240300- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 AM AKST WED FEB 23 2011 ...STORM WARNING TONIGHT... .TODAY...SE WIND 35 TO 45 KT. SEAS 16 TO 24 FT. RAIN. .TONIGHT...S WIND 45 TO 55 KT. SEAS 20 TO 25 FT. RAIN AND SNOW. .THU...SW WIND 40 KT. SEAS 22 FT. SNOW SHOWERS. .THU NIGHT...W WIND 30 KT. SEAS 20 FT. .FRI...NE WIND 45 KT. SEAS 15 FT. .SAT AND SUN...E WIND 45 KT. SEAS 23 FT. $$ PKZ414-240300- BERING SEA OFFSHORE EAST OF 171W 400 AM AKST WED FEB 23 2011 ...GALE WARNING THROUGH THURSDAY... .TODAY...SE WIND 30 TO 40 KT. SEAS 13 TO 18 FT. .TONIGHT...SE WIND 35 TO 45 KT. SEAS 16 TO 19 FT. RAIN AND SNOW. .THU...S WIND 35 TO 45 KT. SEAS 16 TO 19 FT. RAIN AND SNOW. .THU NIGHT...SW WIND 30 KT. SEAS 15 FT. .FRI...N WIND 35 KT. SEAS 13 FT. .SAT...E WIND 40 KT. SEAS 13 FT. .SUN...E WIND 35 KT. SEAS 12 FT. $$
398 FZAK62 PAFC 240012 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST WED FEB 23 2011 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-241500- 400 PM AKST WED FEB 23 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 968 MB LOW NEAR 53N 176E WILL MOVE TO 66N 174W AT 985 MB FRI AFTERNOON. HIGH PRESSURE WILL BUILD INTO THE BERING SEA THU NIGHT AND FRI. $$ PKZ411-241500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST WED FEB 23 2011 ...HURRICANE FORCE WIND WARNING TONIGHT... .TONIGHT...W OF 176E...N TO W WIND 55 TO 65 KT. SEAS 15 TO 20 FT. E OF 176E...S WIND 50 TO 60 KT BECOMING W 45 TO 55 KT AFTER MIDNIGHT. SEAS 20 TO 25 FT. SNOW AND RAIN. FREEZING SPRAY W OF 176E. .THU...W WIND 30 TO 40 KT. SEAS 18 TO 22 FT. FREEZING SPRAY. .THU NIGHT...W WIND 35 KT DIMINISHING TO 20 KT AFTER MIDNIGHT. SEAS 21 FT SUBSIDING TO 15 FT AFTER MIDNIGHT. FREEZING SPRAY. .FRI...NE WIND 20 KT. SEAS 17 FT. .FRI NIGHT...E WIND 45 KT. SEAS 15 FT. .SAT...E WIND 45 KT. SEAS 25 FT. .SUN...SE WIND 45 KT. SEAS 29 FT. .MON...SE WIND 30 KT. SEAS 21 FT. $$ PKZ412-241500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST WED FEB 23 2011 ...STORM WARNING THROUGH THURSDAY... .TONIGHT...S WIND 45 TO 55 KT. SEAS 28 TO 32 FT. PATCHY FOG. RAIN AND SNOW. .THU...SW WIND 50 KT DIMINISHING TO 35 KT IN THE AFTERNOON. SEAS 28 TO 32 FT. SNOW AND RAIN. .THU NIGHT...W WIND 30 KT. SEAS 23 FT. PATCHY FOG. FREEZING SPRAY. .FRI...N WIND 25 KT. SEAS 20 FT. .FRI NIGHT...E WIND 35 KT. SEAS 12 FT. .SAT...E WIND 45 KT. SEAS 22 FT. .SUN...E WIND 40 KT. SEAS 23 FT. .MON...E WIND 30 KT. SEAS 18 FT. $$ PKZ413-241500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 PM AKST WED FEB 23 2011 ...STORM WARNING TONIGHT... .TONIGHT...S WIND 45 TO 55 KT. SEAS 20 TO 24 FT. PATCHY FOG. RAIN AND SNOW. .THU...SW WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 16 TO 20 FT. .THU NIGHT...W WIND 25 KT. SEAS 20 FT. .FRI...N WIND 25 KT. SEAS 18 FT. .FRI NIGHT...E WIND 45 KT. SEAS 16 FT. .SAT...E WIND 45 KT. SEAS 22 FT. .SUN...E WIND 45 KT. SEAS 24 FT. .MON...SE WIND 30 KT. SEAS 17 FT. $$ PKZ414-241500- BERING SEA OFFSHORE EAST OF 171W 400 PM AKST WED FEB 23 2011 ...STORM WARNING TONIGHT... .TONIGHT...S WIND 40 TO 50 KT. SEAS 14 TO 18 FT. PATCHY FOG. RAIN AND SNOW. .THU...S WIND 35 TO 45 KT. SEAS 15 TO 20 FT. RAIN AND SNOW. .THU NIGHT...SW WIND 20 TO 30 KT. SEAS 14 TO 18 FT. PATCHY FOG. .FRI...NW WIND 20 KT. SEAS 16 FT. .FRI NIGHT...NE WIND 35 KT. SEAS 11 FT. .SAT...E WIND 40 KT. SEAS 13 FT. .SUN...E WIND 35 KT. SEAS 12 FT. .MON...E WIND 25 KT. SEAS 9 FT. $$
493 FZAK62 PAFC 240119 CCA OFFALU OFFSHORE WATERS FORECAST...CORRECTION NATIONAL WEATHER SERVICE ANCHORAGE AK 420 PM AKST WED FEB 23 2011 CORRECTED 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. PKZ499-241500- 400 PM AKST WED FEB 23 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 968 MB LOW NEAR 53N 176E WILL MOVE TO 66N 174W AT 985 MB THU AFTERNOON. HIGH PRESSURE WILL BUILD INTO THE BERING SEA THU NIGHT AND FRI. $$ PKZ411-241500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST WED FEB 23 2011 ...HURRICANE FORCE WIND WARNING TONIGHT... .TONIGHT...W OF 176E...N TO W WIND 55 TO 65 KT. SEAS 15 TO 20 FT. E OF 176E...S WIND 50 TO 60 KT BECOMING W 45 TO 55 KT AFTER MIDNIGHT. SEAS 20 TO 25 FT. SNOW AND RAIN. FREEZING SPRAY W OF 176E. .THU...W WIND 30 TO 40 KT. SEAS 18 TO 22 FT. FREEZING SPRAY. .THU NIGHT...W WIND 35 KT DIMINISHING TO 20 KT AFTER MIDNIGHT. SEAS 21 FT SUBSIDING TO 15 FT AFTER MIDNIGHT. FREEZING SPRAY. .FRI...NE WIND 20 KT. SEAS 17 FT. .FRI NIGHT...E WIND 45 KT. SEAS 15 FT. .SAT...E WIND 45 KT. SEAS 25 FT. .SUN...SE WIND 45 KT. SEAS 29 FT. .MON...SE WIND 30 KT. SEAS 21 FT. $$ PKZ412-241500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST WED FEB 23 2011 ...STORM WARNING THROUGH THURSDAY... .TONIGHT...S WIND 45 TO 55 KT. SEAS 28 TO 32 FT. PATCHY FOG. RAIN AND SNOW. .THU...SW WIND 50 KT DIMINISHING TO 35 KT IN THE AFTERNOON. SEAS 28 TO 32 FT. SNOW AND RAIN. .THU NIGHT...W WIND 30 KT. SEAS 23 FT. PATCHY FOG. FREEZING SPRAY. .FRI...N WIND 25 KT. SEAS 20 FT. .FRI NIGHT...E WIND 35 KT. SEAS 12 FT. .SAT...E WIND 45 KT. SEAS 22 FT. .SUN...E WIND 40 KT. SEAS 23 FT. .MON...E WIND 30 KT. SEAS 18 FT. $$ PKZ413-241500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 PM AKST WED FEB 23 2011 ...STORM WARNING TONIGHT... .TONIGHT...S WIND 45 TO 55 KT. SEAS 20 TO 24 FT. PATCHY FOG. RAIN AND SNOW. .THU...SW WIND 40 KT DIMINISHING TO 30 KT IN THE AFTERNOON. SEAS 16 TO 20 FT. .THU NIGHT...W WIND 25 KT. SEAS 20 FT. .FRI...N WIND 25 KT. SEAS 18 FT. .FRI NIGHT...E WIND 45 KT. SEAS 16 FT. .SAT...E WIND 45 KT. SEAS 22 FT. .SUN...E WIND 45 KT. SEAS 24 FT. .MON...SE WIND 30 KT. SEAS 17 FT. $$ PKZ414-241500- BERING SEA OFFSHORE EAST OF 171W 400 PM AKST WED FEB 23 2011 ...STORM WARNING TONIGHT... .TONIGHT...S WIND 40 TO 50 KT. SEAS 14 TO 18 FT. PATCHY FOG. RAIN AND SNOW. .THU...S WIND 35 TO 45 KT. SEAS 15 TO 20 FT. RAIN AND SNOW. .THU NIGHT...SW WIND 20 TO 30 KT. SEAS 14 TO 18 FT. PATCHY FOG. .FRI...NW WIND 20 KT. SEAS 16 FT. .FRI NIGHT...NE WIND 35 KT. SEAS 11 FT. .SAT...E WIND 40 KT. SEAS 13 FT. .SUN...E WIND 35 KT. SEAS 12 FT. .MON...E WIND 25 KT. SEAS 9 FT. $$
337 FZAK62 PAFC 241209 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 AM AKST THU FEB 24 2011 OFFSHORE WATERS FORECAST FOR THE BERING SEA WIND FORECASTS REFLECT THE PREDOMINANT SPEED AND DIRECTION EXPECTED. SEA FORECASTS REPRESENT AN AVERAGE OF THE HIGHEST ONE-THIRD OF THE COMBINED WIND WAVE AND SWELL HEIGHT. PKZ499-250300- 400 AM AKST THU FEB 24 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 968 MB LOW NEAR 60N 179E WED MORNING WILL WEAKEN TO 976 MB THU EVENING AS IT MOVES TO 71N 165W. HIGH PRESSURE WILL BUILD INTO THE BERING SEA THU NIGHT AND FRI. $$ PKZ411-250300- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 AM AKST THU FEB 24 2011 ...GALE WARNING TODAY... .TODAY...W WIND 25 TO 35 KT. SEAS 16 TO 22 FT. FREEZING SPRAY. .TONIGHT...W WIND 20 TO 30 KT. SEAS 13 TO 21 FT. FREEZING SPRAY. .FRI...NE WIND 15 TO 25 KT. SEAS 8 TO 14 FT. FREEZING SPRAY. .FRI NIGHT...E WIND 45 KT. SEAS 19 FT. .SAT AND SUN...E WIND 45 KT. SEAS 25 FT. .MON...SE WIND 30 KT. SEAS 19 FT. $$ PKZ412-250300- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 AM AKST THU FEB 24 2011 ...STORM WARNING TODAY... .TODAY...SW WIND 40 TO 50 KT DIMINISHING TO 30 TO 40 KT IN THE AFTERNOON. SEAS 22 TO 31 FT. SNOW. FREEZING SPRAY. .TONIGHT...W WIND 30 KT. SEAS 23 FT. PATCHY FOG. FREEZING SPRAY. .FRI...NW WIND 20 KT. SEAS 20 FT. PATCHY FOG. FREEZING SPRAY. .FRI NIGHT...E WIND 35 KT. SEAS 12 FT. .SAT AND SUN...E WIND 40 KT. SEAS 19 FT. .MON...E WIND 30 KT. SEAS 16 FT. $$ PKZ413-250300- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 AM AKST THU FEB 24 2011 ...GALE WARNING TODAY... .TODAY...SW WIND 35 TO 45 KT DIMINISHING TO 20 TO 30 KT IN THE AFTERNOON. SEAS 18 TO 22 FT. .TONIGHT...W WIND 30 KT BECOMING NW 20 KT AFTER MIDNIGHT. SEAS 20 FT. .FRI...N WIND 20 KT BECOMING NE 30 KT IN THE AFTERNOON. SEAS 18 FT. RAIN AND SNOW. .FRI NIGHT...E WIND 40 KT. SEAS 17 FT. .SAT AND SUN...E WIND 45 KT. SEAS 21 FT. .MON...SE WIND 30 KT. SEAS 15 FT. $$ PKZ414-250300- BERING SEA OFFSHORE EAST OF 171W 400 AM AKST THU FEB 24 2011 ...GALE WARNING TODAY... .TODAY...S WIND 35 TO 45 KT DIMINISHING TO 25 TO 35 KT IN THE AFTERNOON. SEAS 17 TO 22 FT. RAIN AND SNOW. .TONIGHT...SW WIND 15 TO 25 KT. SEAS 10 TO 17 FT. PATCHY FOG. .FRI...NW WIND 20 KT. SEAS 16 FT. PATCHY FOG. .FRI NIGHT...NE WIND 30 KT. SEAS 11 FT. .SAT AND SUN...E WIND 35 KT. SEAS 15 FT. .MON...E WIND 20 KT. SEAS 8 FT. $$
040 FZAK62 PAFC 250046 OFFALU OFFSHORE WATERS FORECAST NATIONAL WEATHER SERVICE ANCHORAGE AK 400 PM AKST THU FEB 24 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. PKZ499-251500- 400 PM AKST THU FEB 24 2011 .SYNOPSIS FOR CENTRAL BERING SEA... A 980 MB LOW NEAR 66N 173W WILL MOVE RAPIDLY TO THE NORTHEAST. HIGH PRESSURE WILL BUILD INTO THE WESTERN BERING SEA THU NIGHT AND TO THE EASTERN BERING SEA FRI NIGHT. A 980 MB LOW NEAR 41N 177E FRI WILL MOVE TO 47N 174E AT 980 MB SAT. $$ PKZ411-251500- BERING SEA OFFSHORE WEST OF 180 AND EAST OF THE INTERNATIONAL DATELINE 400 PM AKST THU FEB 24 2011 ...GALE WARNING TONIGHT AND FRIDAY NIGHT... .TONIGHT...W WIND 25 TO 35 KT BECOMING NW 15 TO 25 KT AFTER MIDNIGHT. SEAS 17 TO 21 FT. FREEZING SPRAY. .FRI...N WIND 20 KT BECOMING E 20 TO 30 KT IN THE AFTERNOON. SEAS 9 TO 13 FT. .FRI NIGHT...E WIND 35 TO 45 KT. SEAS 10 FT EXCEPT BUILDING TO 15 FT S OF 56N AFTER MIDNIGHT. SNOW AND RAIN. FREEZING SPRAY N OF 57N. .SAT...E WIND 45 KT. SEAS 22 FT. .SAT NIGHT...E WIND 45 KT. SEAS 24 FT. .SUN...SE WIND 45 KT. SEAS 24 FT. .MON...SE WIND 35 KT. SEAS 21 FT. .TUE...SE WIND 25 KT. SEAS 16 FT. $$ PKZ412-251500- BERING SEA OFFSHORE 171W TO 180 AND NORTH OF 56N 400 PM AKST THU FEB 24 2011 ...GALE WARNING TONIGHT AND FRIDAY NIGHT... .TONIGHT...W WIND 40 KT DIMINISHING TO 30 KT AFTER MIDNIGHT. SEAS 22 FT. FREEZING SPRAY. .FRI...NW WIND 20 KT. SEAS 13 TO 17 FT. PATCHY FOG MAINLY E OF 175W. FREEZING SPRAY. .FRI NIGHT...E WIND 20 KT INCREASING TO 35 KT AFTER MIDNIGHT. SEAS 11 FT. PATCHY FOG MAINLY E OF 175W. FREEZING SPRAY. .SAT...E WIND 45 KT. SEAS 17 FT. .SAT NIGHT...E WIND 45 KT. SEAS 20 FT. .SUN...SE WIND 45 KT. SEAS 21 FT. .MON...E WIND 35 KT. SEAS 17 FT. .TUE...SE WIND 25 KT. SEAS 12 FT. $$ PKZ413-251500- BERING SEA OFFSHORE 171W TO 180 AND SOUTH OF 56N 400 PM AKST THU FEB 24 2011 ...GALE WARNING FRIDAY AND FRIDAY NIGHT... .TONIGHT...W WIND 30 KT BECOMING NW 20 KT AFTER MIDNIGHT. SEAS 14 TO 18 FT. .FRI...N WIND 20 KT BECOMING NE 25 TO 35 KT IN THE AFTERNOON. SEAS 12 TO 16 FT. SNOW. .FRI NIGHT...E WIND 35 TO 45 KT. SEAS 12 TO 16 FT. RAIN AND SNOW. .SAT AND SAT NIGHT...E WIND 45 KT. SEAS 21 FT. .SUN...SE WIND 45 KT. SEAS 21 FT. .MON...SE WIND 35 KT. SEAS 17 FT. .TUE...SE WIND 25 KT. SEAS 13 FT. $$ PKZ414-251500- BERING SEA OFFSHORE EAST OF 171W 400 PM AKST THU FEB 24 2011 ...HEAVY FREEZING SPRAY WARNING FRIDAY NIGHT... .TONIGHT...SW WIND 20 TO 30 KT. SEAS 11 TO 15 FT. PATCHY FOG. SNOW. .FRI...NW WIND 20 KT EXCEPT NE 15 TO 25 KT S OF 56N. SEAS 13 FT. PATCHY FOG. .FRI NIGHT...NE WIND 20 TO 30 KT. SEAS 8 TO 12 FT. PATCHY FOG. HEAVY FREEZING SPRAY N OF 57N. .SAT THROUGH SUN...E WIND 35 KT. SEAS 10 FT. .MON...E WIND 25 KT. SEAS 9 FT. .TUE...NE WIND 15 KT. SEAS 4 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 Feb 21, 12:30 PM AKST, 15 hours 30 minutes earlier.
Area forecast discussion, Feb 21, 12:30 PM AKST, 15 hours 30 minutes before
SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
1230 PM AKST MON FEB 21 2011
.ANALYSIS AND UPPER LEVELS...A TROUGH OVER EASTERN ASIA IS BEGINNING
TO DIG SOUTHEASTWARD INTO THE NORTHWEST PACIFIC AND WESTERN BERING.
THIS IS BEGINNING TO CAUSE AMPLIFICATION OF SHORT-WAVE RIDGE OVER
THE BERING SEA. AT THE MOMENT THE BERING AND SOUTHERN MAINLAND ARE
UNDER THE INFLUENCE OF STRONG ZONAL FLOW ON TOP OF A HIGH AMPLITUDE
RIDGE OVER THE NORTHEAST PACIFIC. 12 SOUNDINGS FROM BETHEL...
MCGRATH...AND ANCHORAGE ALL SHOW A 150KT+ JET UP AROUND 250 MB.
THE JET IS BEGINNING TO WEAKEN AND SHIFT TO THE SOUTHEAST AS
HEIGHTS RISE OVER THE BERING SEA. AT THE SURFACE HIGH PRESSURE IS
BUILDING OVER THE EASTERN BERING AND SOUTHWEST ALASKA AS WELL AS
INTO INTERIOR SOUTHCENTRAL. THIS IS CAUSING LOW LEVEL FLOW TO
SHIFT TO NORTHWESTERLY WHICH IN TURN IS PUSHING LOW LEVEL ARCTIC
AIR SOUTHWARD ACROSS THE GULF...RESULTING IN GALE FORCE WINDS.
OTHERWISE...CONDITIONS ARE CLEAR AND CALM ACROSS MOST OF THE
SOUTHERN MAINLAND.
.MODEL DISCUSSION...MODELS CONTINUE TO DIVERGE WITH HANDLING OF
STRONG PACIFIC LOW AS IT TRACKS ACROSS THE WESTERN ALEUTIANS AND
BERING SEA ON WEDNESDAY. ECMWF/UKMET ARE STRONGER AND SLOWER THAN
GFS/NAM. GFS ENSEMBLE MEAN MATCHES UP WELL WITH NAM POSITION (WHICH
IS SLOWER THAN GFS OPERATIONAL RUN). PLAN TO USE NAM POSITION AND
GFS STRENGTH AND MAKE MINOR CHANGES TO CURRENT FORECAST INSTEAD OF
GOING WITH ECMWF/UKMET WHICH WOULD RESULT IN LARGE CHANGES WITH LOW
CONFIDENCE. HANDLING OF BUILDING RIDGE OVER THE REST OF ALASKA IS
HANDLED SIMILARLY BY ALL MODELS AND FORECAST CONFIDENCE IS HIGH.
.SHORT TERM FORECAST...
SOUTHCENTRAL ALASKA...BERING SEA RIDGE WILL BECOME HIGHLY AMPLIFIED
THE NEXT COUPLE DAYS. THIS WILL INITIALLY FORCE A SHORT-WAVE OVER
INTERIOR ALASKA SOUTHWARD ACROSS SOUTHCENTRAL. DO NOT EXPECT ANY
PRECIPITATION WITH THIS WAVE...WITH THE EXCEPTION OF OVER THE
MOUNTAINS. ARCTIC AIR WILL CONTINUE TO ADVECT ACROSS SOUTHCENTRAL
ALASKA AND THE GULF. MEANWHILE...THE SURFACE HIGH WILL STRENGTHEN
AND BUILD OVER INTERIOR ALASKA SETTING UP A TIGHT PRESSURE GRADIENT
BETWEEN THE INTERIOR AND THE GULF. WHEN YOU PUT ALL OF THE FACTORS
TOGETHER YOU END UP WITH A CLASSIC WIND EVENT ALONG THE GULF COAST.
AT THIS POINT IT DOES NOT LOOK LIKE WARNING LEVEL WIND THRESHOLDS
WILL BE MET. HOWEVER...WITH THE PRESENCE OF THE STRONG UPPER JET
THOMPSON PASS MAY HAVE A SHOT AT COMING CLOSE. THE GREATER THREAT
FOR THOMPSON PASS IS BLIZZARD CONDITIONS. REPORTS INDICATE THAT
THERE IS STILL ENOUGH LOOSE DRY SNOW AVAILABLE TO BLOW AROUND.
THEREFORE...WILL CONSIDER ISSUING A BLIZZARD WATCH WITH THE
AFTERNOON FORECAST PACKAGE. THE UPPER RIDGE WILL BUILD EASTWARD
ACROSS THE MAINLAND BY WEDNESDAY BRINGING AN END TO THE WIND EVENT.
NON-COASTAL LOCATIONS OF SOUTHCENTRAL WILL SEE LITTLE IN THE WAY
OF WIND AND WILL THUS REMAIN COLD AND DRY FOR THE NEXT FEW DAYS.
SOUTHWEST ALASKA...HIGH PRESSURE WILL BUILD OVER SOUTHWEST ALASKA
TONIGHT PROVIDING FAVORABLE CONDITIONS FOR FOG FORMATION. THE
SURFACE HIGH WILL SLIDE OFF TO INTERIOR ALASKA MONDAY NIGTH AND
TUESDAY SO COASTAL AREAS WILL BEGIN TO SEE SOME WIND ON THE WEST
SIDE OF THE HIGH WHILE FOG WILL REMAIN A THREAT FOR INLAND AREAS.
THE UPPER RIDGE WILL REMAIN OVERHEAD THROUGH MID WEEK ENSURING DRY
AND COLD CONDITIONS CONTINUE ACROSS THE REGION.
BERING SEA/ALEUTIANS...AS UPPER RIDGE BECOMES AMPLIFIED THE STORM
TRACK WILL SET UP ALONG ITS WESTERN EDGE WITH STORMS MOVING FROM
SOUTH TO NORTH ACROSS THE WESTERN ALEUTIANS AND WESTERN BERING SEA.
THE FIRST COUPLE LOWS TRACKING ALONG THIS CORRIDOR LOOK FAIRLY WEAK.
A MUCH STRONGER LOW IS EXPECTED TO DEVELOP TUESDAY OVER THE NORTH
PACIFIC AND MOVE UP ACROSS THE ALEUTIANS. WITH LARGE DIVERGENCE IN
MODEL SOLUTIONS CONFIDENCE IN THE STRENGTH AND SPEED OF THIS SYSTEM
IS LOW. THERE IS HIGHER CONFIDENCE IN THE EVENTUAL TRACK OF THE
LOW UP TOWARD EASTERN RUSSIA. THE FRONT ASSOCIATED WITH THIS LOW
GRADUALLY TRACK EASTWARD ACROSS THE BERING MID TO LATE WEEK AS
THE UPPER RIDGE MOVES OVER MAINLAND ALASKA.
.LONG TERM FORECAST...A STRONG FRONT OVER THE CENTRAL BERING MID
WEEK WILL SLOWLY WEAKEN AS IT MOVES TO SOUTHWEST ALASKA LATE IN
THE WEEK. THE REMNANTS OF THE FRONT WILL THEN MOVE OVER SOUTHCENTRAL
LATE FRIDAY INTO THE WEEKEND. MODELS INDICATE SOME UPPER SUPPORT
WITH A SHORT-WAVE MOVING THROUGH. SO EVEN WITH A WEAKENING FRONT
THERE IS A GOOD SHOT AT PRECIP AS THE FRONT MOVES THROUGH. IT LOOKS
LIKE ANOTHER RIDGE WILL BUILD IN BEHIND THE FRONT OVER THE BERING
SEA FRIDAY AND THEN BACK TO MAINLAND ALASKA BY THE END OF THE
WEEKEND.
.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...STORM WARNING...175 176.
GALE WARNING...120 127 128 129 172 179 180 185.
HEAVY FREEZING SPRAY...121 129 126 127 128.
FIRE WEATHER...NONE.
SEB FEB 11The office that day
Everything else NWS Anchorage, AK issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 21, 4:00 PM AKST | Gale Warning | AFC | 24 hr | |
| Feb 21, 4:00 PM AKST | Gale Warning | AFC | 36 hr | |
| Feb 21, 4:00 PM AKST | Gale Warning | AFC | 3 days | |
| Feb 21, 4:00 PM AKST | Small Craft Advisory | AFC | 24 hr | |
| Feb 21, 4:00 PM AKST | Storm Warning | AFC | 60 hr | |
| Feb 21, 4:00 PM AKST | Heavy Freezing Spray Warning | AFC | 48 hr | |
| Feb 21, 4:10 PM AKST | Blizzard Warning | AFC | 19 hr | |
| Feb 21, 5:23 PM AKST | Storm Warning | AFC | 11 hr | |
| Feb 21, 9:23 PM AKST | High Wind Warning | AFC | 8 hr | |
| Feb 21, 10:55 PM AKST | Gale Warning | AFC | 5 hr | |
| Feb 22, 4:00 AM AKST | Gale Warning | AFC | 3 days | |
| Feb 22, 4:00 AM AKST | Gale Warning | AFC | 12 hr | |
| Feb 22, 4:00 AM AKST | Small Craft Advisory | AFC | 60 hr | |
| Feb 22, 4:00 AM AKST | Small Craft Advisory | AFC | 12 hr | |
| Feb 22, 4:00 AM AKST | Heavy Freezing Spray Warning | AFC | 12 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.