Small Craft Advisory 791, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM ADT SUN OCT 2 2005

.DISCUSSION...

A BROAD TROF OF LOW PRESSURE EXTENDING ACROSS THE NORTHERN
AND EASTERN GULF OF ALASKA WILL DISSIPATE MON NIGHT. WEATHER OVER
SOUTHCENTRAL ALASKA CHARACTERIZED BY A MIXTURE OF LOW TOPPED
CLOUDS...AREAS OF LIGHT RAIN AND FOG WITH A FEW SUNNY BREAKS.
CONDITIONS IMPROVING THROUGHOUT THE EVENING AREAS. BECOMING MOSTLY
SUNNY ACROSS MOST OF SOUTHCENTRAL BY TOMOROWW AFTERNOON. PATCHY
LATE NIGHT AND MORNING LIKELY TO DEVELOP AGAIN OVERNIGHT.

BROAD AREA OF STRATOCUMULUS ACROSS ZONES 151 155 AND NORTHERN 161 HAS
PRODUCED LIGHT BUT PERSISTENT PRECIP THROUGHOUT THE DAY. MCGRATH
RECEIVED OVER THREE QUARTERS OF AN INCH OF SNOW AS OF NOON. PRECIP
IS LARGELY THE RESULT OF AN UPPER LEVEL LOW OVER THE LOWER YUKON
VALLEY. H530 LOW OVER THE LOWER YUKON VALLEY WILL WEAKEN TO H544 OVER
THE BARREN ISLANDS MON MORNING. THE UPPER LEVEL LOW FURTHER WEAKENS
OVER THE BRISTOL BAY REGION MON NIGHT. STRATOCUMULUS DECK AND LIGHT
PRECIP HEADING SOUTHWARD INTO BRISTOL BAY.

A 992 MB LOW 210 NM SOUTH OF AMCHITKA WILL MAINTAIN STRENGTH AS IT
MOVES TO 330 NM SOUTH OF YAKUTAT BY TUE EVENING. GALE FORCE WINDS
ACROSS THE EASTERN ALEUTIANS TONIGHT AND ALASKA PENINSULA TOMORROW.
A 985 MB LOW OVER THE KURIL ISLANDS NEAR 54N 162E WILL STRENGTHEN
TO 974 MB IN THE WESTERN BERING SEA NEAR 56N 167E MON MORNING THEN
REMAIN NEARLY STATIONARY AS IT WEAKENS TO 988 MB BY TUE EVENING.
THE ASSOCIATED WEATHER FRONT WILL MOVE INTO THE WESTERN ALEUTIANS
TONIGHT THEN CONTINUE EASTWARD TO THE ALASKA PENINSULA BY TUE
AFTERNOON. STRONG SOUTH WINDS IN ADVANCE OF THE FRONT. STRONG
WEST WINDS BEHIND. A 988 MB LOW DEVELOPS ON THE FRONT NEAR ADAK MON
EVENING THEN STRENGTHENS TO 980 MB NEAR DUTCH HARBOR TUE AFTERNOON.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 155, 170, 172, 175, 176, 185.
FIRE WEATHER...NONE.

ASB OCT 05