Small Craft Advisory 668, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM ADT WED AUG 24 2005

.DISCUSSION...
CURRENT SATELLITE PICTURES SLOW THE FRONT WHICH MOVED THROUGH
SOUTHCENTRAL ALASKA TUESDAY IS NOW OVER THE WRANGEL MOUNTAINS AND
WILL CONTINUE TO MOVE EAST INTO CANADA AND SOUTHEAST ALASKA TONIGHT.

A WEAK 500 MB LOW OVER THE NORTHERN INTERIOR WILL PERSIST BUT SLOWLY
WEAKEN THROUGH FRIDAY. A UPPER TROUGH OVER WESTERN ALASKA WILL MOVE
INTO THE EASTERN INTERIOR AS A UPPER RIDGE OF HIGH PRESSURE BUILD
OVER THE BERING SEA OVER THE NEXT TWO DAYS. SCATTERED SHOWERS OVER
THE OVER THE SOUTHWEST INTERIOR WILL GRADUALLY SHIFT INTO
SOUTHCENTRAL ALASKA THURSDAY AND FRIDAY.

AT THE SURFACE...A WEAK TROUGH WILL PERSIST OVER SOUTH CENTRAL ALASKA
THROUGH FRIDAY WHICH IS A REFLECTION OF THE UPPER TROUGH. A MODERATE
LOW OVER THE SOUTHWEST BERING SEA WILL MOVE EAST THROUGH THE ALASKA
PENINSULA THURSDAY AFTERNOON WILL CONTINUE TO MOVE SOUTH OF THE GULF
OF ALASKA FRIDAY.

RAIN AND GUSTY WINDS WILL MOVE INTO THE PRIBILOFS AND EASTERN
ALEUTIANS THIS EVENING AND WILL CONTINUE ON INTO THE ALASKA PENINSULA
TONIGHT AND EARLY THURSDAY MORNING. THE RAIN WILL MOVE INTO KODIAK
ISLAND THURSDAY AFTERNOON.

A RIDGE OF HIGH PRESSURE WILL BUILD INTO THE BERING SEA THURSDAY AND
WILL MOVE TOWARD THE WEST COAST OF ALASKA FRIDAY. THE SOUTHWEST
INTERIOR SHOULD SEE CLEARING SKIES BY FRIDAY.

GUSTY NORTH WINDS WILL DEVELOP OVER THE ALASKA PENINSULA BETWEEN THE
LOW AND THE RIDGE THURSDAY NIGHT AND WILL SPREAD INTO KODIAK ISLAND
FRIDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALES 172, 175, 176
FIRE WEATHER...NONE

NM AUG 05