Brisk Wind Advisory 15, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM AST WED MAR 7 2007

.DISCUSSION...
EAST DOMAIN.
CURRENT RADAR AND SATELLITE IMAGERY INDICATED THAT THE MAIN
BAROCLINIC ZONE LIES OVER WESTERN PRINCE WILLIAM SOUND, THE KENAI
PENINSULA AND THE MATANUSKA AND SUSITNA VALLEYS. EAST TO SOUTHEAST
FLOW OVER PRINCE WILLIAM SOUND IS MOVING A MOIST AIR MASS ACROSS A
WEATHER FRONT OVER THE EASTERN KENAI PENINSULA, MATANUSKA VALLEY AND
EASTERN SUSITNA VALLEY. THIS IS PRODUCING SNOW MAINLY WEST OF PRINCE
WILLIAM SOUND AND THE TALKEETNA MOUNTAINS. THE WEATHER FRONT WILL
DRIFT WEST INTO THE WESTERN KENAI PENINSULA AND CENTRAL SUSITNA
VALLEY TONIGHT AND WILL SHIFT THE AREA OF HEAVIEST SNOWFALL INTO
THESE AREAS. SNOW OVER THE ANCHORAGE BOWL AND MATANUSKA VALLEY WILL
DIMINISH THIS EVENING AND OVER THE REST OF WESTERN SOUTHCENTRAL
ALASKA THURSDAY.

THE SURFACE LOW JUST SOUTH OF THE KENAI PENINSULA WILL REMAIN NEARLY
STATIONARY AND DISSIPATE THURSDAY MORNING. THE SOUTHEAST FLOW OVER
THE NORTHERN GULF WILL WEAKEN THROUGH TONIGHT AND WILL BECOME
NORTHEAST THURSDAY EVENING. SNOW ALONG EASTERN KENAI PENINSULA WILL
CONTINUE THROUGH TONIGHT AND BECOME SNOW SHOWERS THURSDAY MORNING
THROUGH FRIDAY.

EAST TO NORTHEAST FLOW WILL CONTINUE OVER SOUTHCENTRAL ALASKA THROUGH
FRIDAY AND SHOULD THE INTERIOR SECTION DRY.

WEST DOMAIN...
A RIDGE OF HIGH PRESSURE WILL PERSIST OVER THE WESTERN BERING SEA
THROUGH FRIDAY. A MODERATE PRESSURE GRADIENT OVER THE EASTERN BERING
SEA. GUSTY NORTH WINDS WILL CONTINUE TO BLOW OVER THE AREA THROUGH
FRIDAY. AREAS OF BLOWING SNOW WILL ALONG THE KUSKOKWIM DELTA COAST
WILL ALSO CONTINUE THROUGH FRIDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...BLIZZARD WARNINGS 125 AND 155.
MARINE...GALES 130 132 138 150 155 160 165 170 171 179 AND 180.
FIRE WEATHER...NONE.

NM MAR 07