Gale Warning 198, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
100 PM AST SAT FEB 25 2006

.DISCUSSION...
UPPER LEVELS...LOW OVER THE BERING STRAIT WITH A STRONG SHORT WAVE
TROUGH WORKING THROUGH THE MAINLAND TODAY. LOW AMPLITUDE RIDGE OVER
THE BERING SEA THROUGH TONIGHT WHILE THE LOW MOVES OVER THE BROOKS
RANGE TONIGHT. ANOTHER SHORT WAVE TROUGH MOVING OUT OF EASTERN RUSSIA
TO RACE ACROSS THE BERING SEA SUNDAY AND COMPLETELY KNOCK DOWN THE
RIDGE. THE WAVE DEVELOPS INTO A CLOSED LOW OVER THE GULF BY MONDAY
MORNING. THIS CLOSED LOW REMAINS OVER THE GULF THROUGH TUESDAY. IN
THE MEANTIME...A CLOSED LOW OVER THE KAMCHATKA PENINSULA TUESDAY
MOVES INTO THE WESTERN BERING SEA WEDNESDAY. A SHORT WAVE TROUGH
ROUNDING THE BASE OF THE LOW WILL PUSH ACROSS THE BERING SEA INTO
WEDNESDAY NIGHT.

SOUTH CENTRAL SURFACE...FRONT MOVING THROUGH SOUTH CENTRAL THIS
AFTERNOON AND EVENING. GOOD CLEARING BEHIND THE FRONT TONIGHT MAY
LEAD TO SOME FOG TONIGHT. LOW DEVELOPS ON THE FRONT OVER THE NORTHERN
GULF TONIGHT AS WELL. THIS LOW WEAKENS THROUGH THE DAY TOMORROW. WITH
THE UPPER LEVEL LOW OVER THE MAINLAND...STILL EXPECT SOME SNOW
SHOWERS OVER THE HIGHER ELEVATIONS TOMORROW. LOW MOVING OUT OF THE
EASTERN BERING SEA SUNDAY NIGHT TO CROSS INTO THE BARREN ISLAND AREA
MONDAY MORNING. THIS TO BRING QUITE STRONG WINDS FROM THE WEST MONDAY
AS THE LOW MOVES INTO THE CENTRAL GULF. PRECIPITATION AROUND THIS LOW
TO MOST LIKELY BE CONFINED TO THE KENAI PENINSULA AND COASTAL
LOCATIONS. THE LOW WILL REMAIN IN THE CENTRAL GULF THROUGH TUESDAY.
STRONG WINDS WILL LIKELY DEVELOP OUT OF NORTH SOUTH ORIENTED GAPS AS
WELL WHILE THE LOW IS IN THE AREA. HIGH PRESSURE TO WORK INTO THE
AREA TUESDAY NIGHT AND WEDNESDAY AND PUSH THE LOW SOUTH AND EAST.
TEMPERATURES WILL BE SLIGHTLY BELOW NORMAL THROUGH THE PERIOD.

WEST OF ALASKA RANGE SURFACE...LOW OVER THE CHUKCHI SEA WITH A FRONT
MOVING THROUGH WESTERN ALASKA THIS AFTERNOON. HIGH PRESSURE OVER THE
ALEUTIAN CHAIN AND BERING SEA. FRONTAL WAVE OVER THE WESTERN BERING
TONIGHT TO DEVELOP INTO A LOW SUNDAY MORNING NEAR SAINT PAUL AND
QUICKLY PUSH INTO THE GULF MONDAY MORNING. GALE FORCE WINDS TO
ACCOMPANY THE LOW ACROSS THE EASTERN BERING SEA. HIGH PRESSURE TO
BUILD OVER THE WESTERN ALEUTIANS MONDAY. THIS CREATES A STRONG
GRADIENT OVER THE EASTERN BERING SEA THROUGH MONDAY AND CONTINUES THE
GALE FORCE WINDS. MODERATE AMOUNTS OF PRECIPITATION WILL WORK ACROSS
SOUTHWEST ALASKA SUNDAY THROUGH SUNDAY NIGHT. AS A FRONT MOVES INTO
THE WESTERN ALEUTIAN CHAIN MONDAY NIGHT AND MOVES EVERYTHING
EAST...THE STRONGER WINDS WILL BE CONFINED TO EXTREME EASTERN BERING
AND ALONG THE WEST COAST. STRONG WINDS AT THE EDGE OF THE FRONT AS IT
WORKS ACROSS THE BERING SEA TUESDAY NIGHT THROUGH WEDNESDAY. MAIN LOW
MOVES INTO THE CHUKOTSK PENINSULA.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE
MARINE...GALE 155 160 165 170 171 185
         HEAVY FREEZING SPRAY 121 129 130 180 185
FIRE WEATHER...NONE

JN FEB 06