Small Craft Advisory 333, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
330 PM ADT SUN APR 8 2007

.DISCUSSION...MODELS IN FAIR AGREEMENT. GFS LOOKS TO BE FAIRLY
CONSISTENT AND ON TRACK THROUGH 84 HOURS. SIGNIFICANT DEVIATIONS
EXIST ON HANDLING OF NEXT LOW TO AFFECT THE WESTERN ALEUTIANS THU.
EXPECT FOR NOW WILL KEEP ADJUSTMENTS IN THIS AREA TO A MINIMUM.

.UPPER AIR...LOW COMPLEX NEAR THE AK PEN WEAKENS SOME BUT CONTINUES
THROUGH THROUGH WEEK. THE RIDGE OVER WESTERN CANADA WEAKENS AND
SHIFTS EAST THROUGH TUE. IN RESPONSE...THE STRONG SOUTHERLY FLOW OVER
THE GULF OF ALASKA RELAXES. THIS SHOULD REDUCE TO TENDENCY OF SURFACE
LOWS CURVING NORTH INTO THE GULF. WEAK RIDGE BUILDS OVER MAINLAND
ALASKA THROUGH WED.

.EAST SURFACE...A 960S SE OF KODIAK ISLAND IS STILL ON TRACK TO BEING
OVER KODIAK TONIGHT AND ONTO THE NORTHERN BRISTOL BAY COAST MON.
ASSOCIATED FRONTAL SYSTEM MOVES INLAND ALONG THE NORTH GULF TONIGHT
WITH THE WESTERN PORTION MOVING INTO SW ALASKA. WINDS ALONG OVER THE
NORTH GULF WILL PEAK THROUGH THIS AFTERNOON AND DIMINISH OVERNIGHT.
MAY STILL SEE SOME LINGERING GALES THIS EVENING OVER SOME COASTAL
MARINE AREAS. PRESSURE GRADIENTS WILL INCREASE ACROSS THE KENAI
PEN/ANCHORAGE BOWL/MATSU THROUGH THIS EVENING...SO EXPECT FAIRLY
BRISK WINDS THROUGH CHANNELED AREAS. RAIN MAINLY ALONG COASTS AND
WEST/SOUTH EXPOSURES THROUGH TUE...LESSER EXTENT INLAND AREAS SOUTH
CENTRAL. PRECIPITATION WILL LIKELY BECOME MIXED IN SPOTS WITH COLD
ADVECTION MON NIGHT. SOME DRYING EXPECTED WITH WEAK RIDGING WED.

.WEST SURFACE...GULF LOW MOVES ONTO THE BRISTOL BAY COAST MON AND
OVER THE DELTA COAST MON NIGHT/TUE. SOME LIGHT RAIN/SNOW LIKELY OVER
MUCH OF SW ALASKA TONIGHT. DOWNSLOPE CURRENTLY OVER KUSKOKWIM VALLEY
SHOULD END MON AND ALLOW SHOWERS TO MOVE INTO THE REGION. SHOULD SEE
SOME DRYING OVER THE SW MAINLAND WED WITH RIDGE BUILDING OVER THE
AREA. REMAINDER OF AREA SHOULD REMAIN UNDER GENERALLY MOSTLY CLOUDY
CONDITIONS WITH RAIN/SNOW SHOWERS THROUGH TUE.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE.
MARINE...GALE 120 130 AND 138.
FIRE WEATHER...NONE.

RMC APR 07