ALASKA EXTENDED FORECAST DISCUSSION NWS WEATHER PREDICTION CENTER COLLEGE PARK MD 136 PM EST THU FEB 27 2014 VALID 12Z MON MAR 03 2014 - 12Z FRI MAR 07 2014 THE CURRENT BLOCKING RIDGE OVER ALASKA IS PART OF A STABLE PATTERN EXTENDING FROM THE EASTERN PACIFIC TO THE WESTERN ATLANTIC OCEANS. WHILE THE GLOBAL NUMERICAL GUIDANCE IS INDICATING A RETROGRESSION OF THE UPPER HIGH TO THE WEST OF THE ALASKA REGION AT THE MEDIUM RANGE, THE SYNOPTIC FUNDAMENTALS SHOULD REMAIN LARGELY UNCHANGED. THE BIGGEST SENSIBLE WEATHER DIFFERENCE AS A RESULT OF THE REGIONAL RETROGRESSION WILL BE A GRADUAL COOLING OVER THE MAINLAND. OTHERWISE, THE PRIMARY STORM TRACK WILL STILL BE WELL SOUTH OF THE GULF UNTIL THE VERY END OF THE PERIOD--LATE NEXT FRIDAY--WHEN A FULL-FLEDGED PACIFIC MOISTURE PLUME MAY ACTUALLY MAKE IT TO THE SOUTH COAST. THE ECENS MEAN CONTINUES TO TELL THE STORY THE BEST--AND WITH THE MOST STABILITY. CISCO