Small Craft Advisory 586, NWS Anchorage, AK

AREA FORECAST DISCUSSION
SOUTHCENTRAL AND SOUTHWEST ALASKA
500 PM ADT TUE JUL 26 2005

.DISCUSSION...
A RIDGE OF HIGH PRESSURE PERSISTS IN THE BERING SEA THROUGH FRIDAY.
WEAK DISTURBANCE IN VICINITY OF ST. MATTHEW ISLAND SHOULD DISSIPATE
ON WEDNESDAY.  LOADS OF STRATUS AND FOG ASSOCIATED WITH THE RIDGE.

NAM AND GFS MODELS IN REASONABLE AGREEMENT ON THE GULF OF ALASKA LOW.
BOTH OF THESE TOOLS WANT TO MERGE THE ONE IN THE SOUTHWESTERN GULF
WITH A VORTICITY CENTER IN THE EASTERN GULF.  THE RESULT IS A
SLIGHTLY DEEPER LOW IN THE NORTHERN GULF WEDNESDAY AFTERNOON.  GFS
SEEMS TO HANDLE THE DEVELOPMENT OF THE THERMAL TROUGH OVER THE
INTERIOR ON WEDNESDAY BETTER THAN THE NAM. LOOKS LIKE MODEST
INSTABILITY IN WESTERN AND NORTHERN PORTION OF AOR ON WEDNESDAY PM
AND THURSDAY.

.AER/ALU...WATCH/WARNING SUMMARY
PUBLIC...NONE
MARINE...NONE
FIRE WEATHER...NONE

JMP JUL 05