Alert archive / Alaska / Gale Warnings in 2009

Gale Warning 336, NWS Anchorage, AK

March 30, 2009

NWS Anchorage, AK issued this gale warning at Mar 30, 2009, 4:00 AM AKDT. It was in force for 36 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: Mar 30, 2009, 4:00 AM AKDT (12:00 UTC)
Expired: Mar 31, 2009, 4:00 PM AKDT
In force: 36 hr
Issued by: NWS Anchorage, AK

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 Mar 29, 4:00 PM AKDT, 12 hours earlier.

Area forecast discussion, Mar 29, 4:00 PM AKDT, 12 hours before

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
400 PM AKDT SUN MAR 29 2009

.ANALYSIS AND UPPER LEVELS...
AT THE SURFACE THE MAIN FEATURE OF INTEREST IS A 970 MB LOW MOVING
ONSHORE NEAR CAPE NEWENHAM. THIS LOW IS EXPECTED TO DRIFT NORTHWARD
OVER THE SEWARD PENINSULA WHILE WEAKENING THROUGH TUESDAY. THE FRONT
ASSOCIATED WITH THIS LOW STRETCHES OVER THE NORTHERN GULF...AND WILL
PUSH ONSHORE THIS EVENING. IN THE UPPER LEVELS...A BROAD TROUGH
CENTERED OVER THE CENTRAL BERING SEA HAS VARIOUS SHORTWAVES AND UPPER
LOWS ROTATING AROUND ITS BASE. ONE SUCH SHORTWAVE TROUGH CURRENTLY
STRETCHES OVER BRISTOL BAY AND KODIAK ISLAND.

.MODEL DISCUSSION...
THE GFS CONTINUES TO INITIALIZE WELL AND IS THE PREFERRED MODEL FOR
THE AFTERNOON PACKAGE. THE NAM WAS ALSO USED AS IT IS BETTER
PORTRAYING THE COLD AIR ADVECTION BEHIND THE SHORTWAVE TROUGH POISED
TO MOVE ACROSS SOUTHCENTRAL TONIGHT. MODELS ARE IN GOOD AGREEMENT
THROUGH TUESDAY...WITH GENERAL AGREEMENT ON THE LARGE SCALE PATTERN
THROUGH THE END OF THE WEEK.

.SHORT TERM FORECAST...
.SOUTHCENTRAL...THE AFOREMENTIONED FRONT WILL BE MOVING ONSHORE THIS
EVENING...KEEPING WINDS GUSTY ACROSS THE AREA. WARNING LEVEL WINDS
THROUGH PORTAGE VALLEY...TURNAGAIN ARM...AND AT HIGHER ELEVATIONS IN
THE ANCHORAGE BOWL...WILL BE DIMINISHING THROUGH TONIGHT. DUE TO
ABUNDANT PRECIPITATION...THE BLIZZARD WARNING FOR PORTAGE VALLEY AND
TURNAGAIN ARM EAST OF GIRDWOOD REMAINS IN EFFECT THROUGH LATE THIS
EVENING. THE WINTER WEATHER ADVISORY IS ALSO IN EFFECT FOR THE
WESTERN SUSITNA VALLEY UNTIL EARLY TOMORROW MORNING. PRECIPITATION
WILL CONTINUE ACROSS SOUTHCENTRAL UNTIL THE UPPER TROUGH SWINGS NORTH
THROUGH THE REGION TOMORROW MORNING. WIDESPREAD LIGHT SNOW WILL
ACCOMPANY THE TROUGH PASSAGE. REMNANT SNOW SHOWERS WILL HANG AROUND
SOUTHCENTRAL THROUGH MONDAY NIGHT...WITH QUIET WEATHER FOR TUESDAY.

.SOUTHWEST...CONDITIONS WILL BE IMPROVING ACROSS THE AREA TONIGHT AS
THE LOW WEAKENS AND MOVES NORTHWARD. THE BLIZZARD WARNING FOR THE
KUSKOKWIM DELTA COAST AND THE  REMAINS IN EFFECT THROUGH LATE
TONIGHT....AND THE BLIZZARD WARNING FOR THE AKPEN IS IN EFFECT
THROUGH THIS AFTERNOON. WINDS WILL REMAIN BRISK ACROSS ALL OF
SOUTHWEST...WITH SCATTERED SNOW SHOWERS PERSISTING TOMORROW AND
TOMORROW NIGHT. TUESDAY WILL BE MUCH MORE BENIGN ACROSS
SOUTHWEST...WITH ISOLATED SNOW SHOWERS OVER THE AKPEN AND SOUTHERN
BRISTOL BAY AS A LOW MOVES INTO THE SOUTHERN GULF.

.BERING SEA AND ALEUTIANS...COLD ADVECTION SNOW SHOWERS ACROSS THE
ISLANDS WILL CONTINUE THROUGH THE BEGINNING OF THE WEEK AS WINDS
REMAIN BRISK ON THE BACKSIDE OF THE LOW. BLOWING SNOW ACROSS THE
EASTERN ALEUTIANS AND PRIBILOFS WILL ABATE LATE TONIGHT. WINDS WILL
DIMINISH BRIEFLY TOMORROW AHEAD OF THE NEXT SERIES OF LOW PRESSURE
SYSTEMS EXPECTED TO BEGIN AFFECTING THE AREA MONDAY NIGHT AND
TUESDAY.

.LONG TERM FORECAST...
EXPECT AN ACTIVE PATTERN THROUGH THE END OF THE WEEK...WITH A LOW
MOVING INTO THE BERING SEA AND A SEPARATE LOW MOVING INTO THE
SOUTHERN GULF MID WEEK. THE BULK OF THE EFFECTS FROM THESE SYSTEMS
WILL BE FELT ALONG COASTAL LOCATIONS AND THE ALEUTIANS.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...BLIZZARD WARNING...125 155 181
         HIGH WIND WARNING...101
MARINE...STORM...120 150
         GALE...125 129 130 132 138 140 141 160 165 170 180
         HEAVY FREEZING SPRAY...130 138 140 165 179
FIRE WEATHER...NONE

NRH MAR 09

In the hours before

Special weather statement, Mar 29, 11:50 PM AKDT, 4 hours 10 minutes before

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The office that day

Everything else NWS Anchorage, AK issued on the same UTC day.

Issued	Product	Office	Lasted
Mar 29, 4:00 PM AKDT	Gale Warning	AFC	12 hr
Mar 29, 4:00 PM AKDT	Gale Warning	AFC	12 hr
Mar 29, 4:00 PM AKDT	Small Craft Advisory	AFC	12 hr
Mar 29, 4:00 PM AKDT	Storm Warning	AFC	12 hr
Mar 29, 4:00 PM AKDT	Heavy Freezing Spray Warning	AFC	36 hr
Mar 29, 4:00 PM AKDT	Heavy Freezing Spray Warning	AFC	36 hr
Mar 30, 4:00 AM AKDT	Brisk Wind Advisory	AFC	12 hr
Mar 30, 4:00 AM AKDT	Small Craft Advisory	AFC	50 hr
Mar 30, 4:00 AM AKDT	Small Craft Advisory	AFC	50 hr

Nearby

Gale Warnings in Alaska, 2009 Every gale warning in 2009

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.