High Wind Watch 23, NWS Anchorage, AK

AREA FORECAST DISCUSSION...CORRECTED
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AKST SUN DEC 20 2009

CORRECTED TYP0S

.ANALYSIS AND UPPER LEVELS...
UPPER LEVELS...A COMPLEX LOW PRESSURE AREA OVER THE BERING SEA AND
THE ALEUTIANS CONTINUE TO SPIN AROUND A COMMON CENTER OVER THE THE
SOUTH-CENTRAL BERING. A RIDGE PERSISTS OVER THE GULF AND EASTERN
MAINLAND. A STRONG SOUTHERLY FLOW REMAINS OVER WESTERN ALASKA.
AT THE SURFACE...A MULTI-CENTERED AREA OF LOW PRESSURE REMAINS OVER
THE BERING SEA AND THE ALEUTIANS. STRONG SOUTH WINDS CONTINUE TO BLOW
OVER WESTERN MAINLAND AND WESTERN GULF.

.MODEL DISCUSSION...
MODELS ARE IN GOOD AGREEMENT OVER THE GULF AND MOST OF MAINLAND
ALASKA BUT STILL HAVE A FEW PROBLEMS OVER THE BERING SEA. THE GFS AND
EUROPEAN MODELS APPEAR TO HAVE THE BEST SOLUTIONS OVER THE SHORT
TERM.

.SHORT TERM FORECAST...
SOUTH-CENTRAL AND THE GULF...A WEATHER FRONT SOUTH OF THE ALASKA
PENINSULA WILL SWING INTO THE WESTERN GULF AND KODIAK ISLAND MONDAY
THEN WEAKEN OVER PRINCE WILLIAM SOUND AND THE EASTERN GULF TUESDAY.
AREA OF STRONG WINDS AND RAIN AHEAD OF THE FRONT WILL MOVE THROUGH
KODIAK ISLAND LATE TONIGHT AND MONDAY MORNING. RAIN AND SNOW WILL
MOVE INTO THE KENAI PENINSULA AND SUSITNA VALLEY MONDAY AFTERNOON
THROUGH TUESDAY MORNING. RAIN WILL SPREAD SPREAD INTO PRINCE WILLIAM
SOUND MONDAY NIGHT AND TUESDAY. TEMPERATURES WILL WARM A LITTLE MORE
OVER THE NEXT FEW DAYS.

SOUTHWEST ALASKA...
THE STRONG SOUTHERLY FLOW OVER SOUTHWEST ALASKA WILL SLOWLY WEAKEN
THROUGH TUESDAY. AREAS OF RAIN AND SNOW PERSIST THROUGH MONDAY BEFORE
SWITCHING OVER TO ALL SNOW AS COOLER AIR MOVES BACK OVER THE AREA
TUESDAY. AREAS OF STRONG WINDS THROUGH CHANNELED TERRAIN ALONG THE
ALEUTIAN RANGE CONTINUE THROUGH MONDAY AND DIMINISH MONDAY NIGHT.
STRONG SOUTH TO SOUTHEAST WINDS WILL DEVELOP OVER THE KUSKOKWIM DELTA
AND SOUTHWESTERN KUSKOKWIM VALLEY TONIGHT AND MONDAY MORNING.

BERING SEA AND ALEUTIANS...
AREAS OF RAIN AND SNOW SHOWERS WILL PERSIST THROUGHOUT THE REGION AS
LOW PRESSURE REMAINS OVER THE BERING THROUGH TUESDAY.

.LONG TERM FORECAST...
THE UPPER RIDGE OVER THE GULF AND MAINLAND ALASKA WILL SLIDE INTO
WESTERN CANADA AND THE UPPER LOW OVER THE BERING SEA WILL REMAIN
NEARLY STATIONARY THROUGH THURSDAY. THE AREA OF SOUTHERLY WINDS WILL
SPREAD INTO THE REST OF SOUTH-CENTRAL ALASKA BY MIDWEEK. THIS WILL
SHIFT THE TRACK OF THE LOWS FURTHER EAST INTO THE GULF OF ALASKA BY
MIDWEEK.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...HIGH WIND WARNING FOR BRISTOL BAY.
MARINE...STORM 130 132 150 155 160 165 180
         GALE 120 170 172 175 176 179 185
FIRE WEATHER...NONE.

NM DEC 09