Small Craft Advisory 345, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM ADT TUE APR 19 2005

.DISCUSSION...
THE MODELS ARE IN FAIR AGREEMENT THROUGH THE FIRST 36 HOURS, THOUGH
THE GFS APPEARS TO HAVE AN OVERALL BETTER SOLUTION. BEYOND 36 HOURS,
THE GFS IS THE MODEL OF CHOICE IN THE WAY IT HANDLES THE LOW
APPROACHING THE ALEUTIANS.

A 1002 MB LOW 440 MILES SOUTH OF KODIAK WILL DISSIPATE 200 MILES
SOUTH OF KODIAK TONIGHT. A 997 MB LOW 300 MILES SOUTH OF ATTU WILL
MOVE SOUTH AND DISSIPATE 630 MILES SOUTH OF ATTU WEDNESDAY. A 1000 MB
LOW OVER THE NORTHWEST PACIFIC WILL MOVE TO 180 MILES WEST OF DUTCH
HARBOR AND STRENGTHEN TO 968 MB THURSDAY AFTERNOON.

THE ARCTIC FRONT ALONG THE ALEUTIAN RANGE AND OVER THE SUSITNA VALLEY
WILL REMAIN NEARLY STATIONARY, POSSIBLY MOVING DRIFTING WEST INTO THE
EASTERN KUSKOKWIM VALLEY WEDNESDAY. A SOUTHERLY FLOW WILL PERSIST
OVER THE GULF OF ALASKA.

SNOW ALONG THE ALEUTIAN RANGE AND THE SUSITNA VALLEY WILL THROUGH
TONIGHT AND WILL GRADUALLY DIMINISH OVER THE SUSITNA VALLEY
WEDNESDAY. RAIN SHOWERS WILL PERSIST ALONG THE GULF COAST AND PRINCE
WILLIAM SOUTH THROUGH WEDNESDAY NIGHT.

GALE TO NEAR STORM FORCE WINDS WILL MOVE INTO THE EASTERN ALEUTIANS,
THE ALASKA PENINSULA AND THE SOUTHEAST BERING SEA WEDNESDAY NIGHT AND
THURSDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE WARNING 12AB.
FIRE WEATHER...NONE.

NM APR 05