Small Craft Advisory 237, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AST SUN MAR 12 2006

.DISCUSSION...
WE HAVE A HIGHER CONFIDENCE LEVEL IN THE GFS MODEL THAN THE ETA MODEL
TODAY.

UPPER AIR...
THE 500 MB PATTERN CONTINUES TO BUILD A CLOSED LOW OVER WESTERN
ALASKA TODAY. THE UPPER LOW OVER THE BERING SEA WILL BE PUSHED SOUTH
OF THE ALASKA PENINSULA MONDAY NIGHT BY A RIDGE OF HIGH PRESSURE
MOVING FROM THE WESTERN BERING SEA INTO THE EASTERN BERING. SOUTH
CENTRAL ALASKA WILL REMAIN UNDER A COLD DRY FLOW FROM THE NORTH
THROUGH TUESDAY.

AT SURFACE...
THE HIGH PRESSURE CENTER WILL REMAIN OVER NORTHWEST CANADA THROUGH
WEDNESDAY. A WEAK AREA LOW PRESSURE OVER THE GULF OF ALASKA AND THE
NORTHWEST PACIFIC WILL PERSIST THROUGH TUESDAY.

THE MODERATE LOW OVER THE CENTRAL BERING SEA DRIFT NORTH AND
DISSIPATE OVER THE NORTHERN BERING SEA MONDAY EVENING. THE OLD
WEATHER FRONT OVER KODIAK ISLAND, BRISTOL BAY AND THE KUSKOKWIM DELTA
WILL REMAIN NEARLY STATIONARY AND WEAKEN THROUGH TONIGHT.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALES 173, 175, 176, 185.
FIRE WEATHER...NONE.

NM MAR 06