Gale Warning 918, NWS Anchorage, AK

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
350 AM AKDT WED NOV 3 2010

.MODEL DISCUSSION...GFS NAM AND ECMWF ALL IN GOOD AGREEMENT ON
POSITION AND STRENGTH OF GULF LOW THAT MOVES ON A NORTH-NORTHWEST
TRAJECTORY TOWARD THE KENAI PENINSULA OVER THE NEXT 36 HOURS.

.ANALYSIS AND UPPER LEVELS...A LOW NORTHWEST OF ATTU REMAINS NEARLY
STATIONARY OVER THE NEXT 30 HOURS AND THEN DISSIPATES. A WEAK LOW
OVER BRISTOL BAY  DISSIPATES LATE WEDNESDAY MORNING. A HIGH AMPLITUDE
RIDGE OVER WESTERN CANADA BUILDS WEDNESDAY AND STEERS GULF STORM
TOWARD THE NORTHWEST.

.SHORT TERM FORECAST...
ALEUTIANS...CONTINUED SCATTERED SHOWERS AS SECONDARY LOW FORMS
WEDNESDAY EVENING OVER WESTERN ALEUTIANS AND THEN MOVES EASTWARD
ALONG THE CHAIN.
SOUTHWEST...UPPER LEVEL TROUGH OVER THE PERIOD SHOULD PRODUCE
WIDESPREAD CLOUDS AND PRECIP..MAINLY SNOW.
SOUTHCENTRAL...GULF LOW SHOULD BEGIN TO IMPACT LAND AREAS LATE THIS
MORNING WITH MAIN FORCING OCCURRING WEDNESDAY NIGHT. LOOKS AS IF
INITIAL MOISTURE WILL BE IN THE FORM OF RAIN ALTHOUGH SOME FREEZING
RAIN IS POSSIBLE FURTHER INLAND.  SNOW SHOWERS CONTINUING OVER MOST O
OF THE AREA ON THURSDAY AS UPPER LEVEL TROUGH PERSISTS.

.LONG TERM FORECAST...
ALEUTIANS...A FRONT MOVES THROUGH THE WESTERN ALEUTIANS SATURDAY
MORNING WITH A CUT OFF LOW MOVING INTO THE CENTRAL ALEUTIANS SUNDAY
MORNING.
SOUTHWEST...SNOW SHOWERS POSSIBLE ON SATURDAY BUT DRYING ON SUNDAY
AND MONDAY. TEMPERATURES IN TEENS AND SINGLE DIGITS AT NIGHT ONCE
SKIES CLEAR.
SOUTHCENTRAL...SNOW SHOWERS POSSIBLE SATURDAY AND SUNDAY WITH TEMPS
IN UPPER 20S TO LOWER 30S.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HWW 135
MARINE...HURR 120  STORMS 130 132 125  GALES 150 155 160 176 140 141
127
FIRE WEATHER...NONE

JMP NOV 10