Gale Warning 599, NWS Anchorage, AK

SOUTHCENTRAL AND SOUTHWEST ALASKA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE ANCHORAGE AK
145 PM AKDT SUN SEP 22 2013

.MODELS GOOD THROUGH TUE THEN THEN EC UK BECOME FASTER BUT BOTH TAKE A WEAKENING
LOW EAST ACROSS KODIAK ISLAND AND INTO THE GULF LATE WED AFTERNOON AND NIGHT.
WINDS APPEAR TO HAVE PEAKED ACROSS THE KODIAK ISLAND AREAS WITH GUSTS OF 60 TO
65 MPH AT THE STATE AIRPORT AND EVEN HIGHER GUSTS ELSEWHERE IN THE ZONE. THIS
WIND WAS STRONG ENOUGH TO KICK UP DUST/ASH OFF THE ALEUTIAN RANGE AND BLOW IT
OVER THE ISLAND. SHOWERS AND WINDY CONDITIONS EXTEND BACK TO THE ALASKA
PENINSULA WITH GUSTS OF 30 TO 40 MPH. PERIODS OF LIGHT PRECIPITATION WILL
CONTINUE OVER SOUTH CENTRAL ALASKA BETWEEN 147W AND 150W WITH SNOW LEVELS
VARYING AROUND 500 FT. SNOW WILL BE MORE SCATTERED ACROSS THE COPPER RIVER BASIN
AND CONFINED TO THE UPSLOPE AREAS. THIS WILL ALL END FROM WEST TO EAST MON
AFTERNOON AND NIGHT AS HIGH PRESSURE COMES IN FROM BRISTOL BAY. NEXT STORM FROM
THE NORTHWEST PACIFIC WILL STRENGTHEN AS IT MOVES TO THE CENTRAL ALEUTIANS MON
EVENING. THIS WILL MOVE TO BETWEEN ST GEORGE ISLE AND DUTCH HARBOR TUE EVENING
WITH A CENTRAL PRESSURE OF 968 MB. GALES AND POSSIBLY STORM FORCES WINDS WILL
ACCOMPANY THE SYSTEM. AFTER A NICE MONDAY AFTERNOON AND NIGHT RAIN AND WIND WILL
AGAIN SPREAD TO THE BRISTOL BAY AND THE SOUTHWEST COAST, AND THEN TO KODIAK
ISLAND BY LATE TUE AFTERNOON. AT THE SAME TIME LIGHT WINDS AND DRY WEATHER WILL
BE SEEN FROM THE GULF NORTH TO THE ALASKA RANGE. CHINOOK TYPE WINDS WILL BE ON
THE INCREASE ACROSS ALL OF SOUTHERN MAINLAND ALASKA WITH THE HIGHEST GUSTS OVER
THE ALASKA PENINSULA AND BRISTOL BAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE
MARINE...GALE 120 136 137 138 155 160 165.
FIRE WEATHER...NONE.

*** SEP 13

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ANCHORAGE AK
1253 AM AKDT MON SEP 23 2013

AKZ171-231500-

...MINOR ASHFALL POSSIBLE THROUGH EARLY THIS MORNING ACROSS
KODIAK ISLAND...

STRONG NORTHWEST WINDS HAVE RE-SUSPENDED DUST AND ASH FROM THE 1912
NOVARUPTA/KATMAI VOLCANIC ERUPTION AND SPREAD IT ACROSS KODIAK
ISLAND. MINOR DUST OR ASHFALL WILL BE POSSIBLE ACROSS THE ISLAND
THROUGH EARLY THIS MORNING. ANY ASHFALL ACCUMULATION SHOULD BE
LIMITED TO A TRACE.