Small Craft Advisory 929, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
400 AM AST SAT NOV 12 2005

.DISCUSSION...

H517 LOW ANCHORED OVER SOUTHERN BRISTOL BAY WEAKENS TO H533 SOUTH OF
THE ALASKA PENINSULA SUNDAY NIGHT. H559 LOW PERSISTS OVER EASTERN
RUSSIA. NORTHERLY UPPER LEVEL FLOW ABOVE THE EASTERN AND CENTRAL
BERING SEA WILL SLOWLY WEAKEN THROUGH 60 HOURS.

AT THE SURFACE. WEAK COMPLEX LOW PRESSURE OVER THE GULF OF ALASKA.
WEAK HIGH PRESSURE ACROSS THE BERING SEA. GUSTY NORTH WINDS THROUGH
CHANNELED AREAS AND COLD ADVECTION SHOWERS EXTEND ACROSS THE BERING
SEA...ALEUTIAN CHAIN...ALASKA PENINSULA...AND KODIAK ISLAND.
PATCHY CLOUDS AND FLURRIES ELSEWHERE. LITTLE CHANGE ANTICIPATED IN
THIS PATTERN THROUGH SUNDAY NIGHT.

SIGNIFICANT OCCLUDED FRONT IN THE NORTHWEST PACIFIC APPROACHES THE
WESTERN ALEUTIANS SUNDAY NIGHT BUT IS NOT EXPECTED TO ADVANCE INTO
THE ALEUTIAN CHAIN DUE TO THE BLOCKING ACTION OF THE UPPER LEVEL
HIGH.

MODEATE LOW PROGGED TO MOVE INTO THE EASTERN GULF MONDAY. THIS
SHOULD ENHANCE OFFSHORE FLOW ACROSS SOUTHCENTRAL ALASKA.

NEXT SIGNIFICANT STORM SHOULD BE A MODERATE LOW PROGGED TO DEVELOP
IN THE NORTH PACIFIC ALONG LAT 170 MON AFTERNOON. THE LOW
IS EXPECTED TO QUICKLY DEEPEN AND MOVE INTO BRISTOL BAY BY THU
MORNING.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE
MARINE...NONE
FIRE WEATHER...NONE

ASB NOV 05