Small Craft Advisory 401, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 AM ADT WED MAY 11 2005

.DISCUSSION...

PATTERN ACROSS SOUTH CENTRAL BEGINNING TO TRANSITION. RIDGE OF HIGH
PRESSURE THAT HAS HELD SWAY FOR THE PAST SEVERAL DAYS GIVING WAY AS
LOW PRESSURE BEGINS TO MOVE INTO THE GULF OF ALASKA. THIS WILL ALLOW
MOISTURE TO SPREAD ACROSS THE REGION THURSDAY WITH A RETURN TO MORE
SEASONABLE MAXIMUM TEMPERATURES. IN THE MEAN TIME THE AIRMASS WILL
LIKELY BECOME UNSTABLE ENOUGH FOR THUNDERSTORM ACTIVITY AGAIN THIS
AFTERNOON IN THE INTERIOR. THE GREATEST CONCENTRATION EXPECTED TO BE
ALONG THE ALASKA RANGE INTO THE UPPER KUSKOKWIM VALLEY. WITH LOW
PRESSURE HEADED TO THE GULF OF ALASKA EASTERN PORTIONS THE BERING SEA
AND ALEUTIANS WILL COME UNDER AN INCREASINGLY NORTHWEST FLOW. HOWEVER
THE CENTERS OF ACTION SHOULD REMAIN SOUTH OF THE ALEUTIANS AS A
SERIES OF SYSTEMS MOVE INTO THE GULF OF ALASKA.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALES 2B..3A.
FIRE WEATHER...NONE.

CAS MAY 05