Small Craft Advisory 678, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM ADT THU AUG 25 2005

.DISCUSSION...THE LARGEST WEATHER FEATURE ON TODAYS MAP IS A 997 MB
LOW NORTHEAST OF COLD BAY THAT IS RAPIDLY MOVING TO THE
EAST-SOUTHEAST. THIS LOW WILL CROSS THE GULF OF ALASKA AND END UP
SOUTHWEST OF SITKA SATURDAY AFTERNOON. THIS LOW WILL CONTINUE TO
BRING GALE FORCE WINDS TO AREAS NEAR IT. CURRENTLY GALES ARE IN THE
EASTERN ALEUTIANS AND ALASKA PENINSULA BUT WILL ENTER THE KODIAK
REGION BY FRIDAY NIGHT AS THIS LOW PROGRESSES INTO THE GULF.

THE COLD UPPER LEVEL TROUGH THAT HAS BEEN OVER SOUTHERN ALASKA THE
LAST FEW DAYS IS SLOWLY MOVING EASTWARD. IT WILL BE REPLACED BY AN
UPPER LEVEL HIGH THAT IS BUILDING INTO THE BERING SEA AND WILL MOVE
INTO SOUTHWEST MAINLAND ALASKA SATURDAY. THIS HIGH WILL DIMINISH THE
PRECIPITATION FOR MOST OF THE MAINLAND BUT WILL ALSO ENHANCE OUTFLOW
WINDS OFF THE MOUNTAINS ALONG THE GULF OF ALASKA COAST AND IN PRINCE
WILLIAM SOUND.

A SERIES OF WEAK LOWS WILL RIDE UP THE WEST SIDE OF THIS RIDGE IN THE
WESTERN BERING SEA THROUGH THIS WEEKEND.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 130 132 155 170 171 172 179.
FIRE WEATHER...NONE.

EZ AUG 05