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Alaska Extended Forecast Discussion
 
(Caution: Version displayed is not the latest version. - Issued 1736Z Mar 22, 2015)
 
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ALASKA EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
136 PM EDT SUN MAR 22 2015

VALID 12Z THU MAR 26 2015 - 12Z MON MAR 30 2015

ENSEMBLES CONTINUE TO POINT TO A TROUGH/RIDGE PATTERN SETTING UP
LATER THIS WEEK IN RESPONSE TO UPSTREAM RIDGING OVER EASTERN ASIA.
RECENT ECMWF AND GFS RUNS HAVE WAVERED ON EITHER SIDE OF THE
ENSEMBLE MEANS AND NEITHER HAS REALLY BEEN MUCH OF A CLEAR
OUTLIER. RECENT TREND TOWARD A BIT QUICKER PACE TO THE SECOND SFC
WAVE PASSING SOUTH OF THE ALEUTIANS THU-FRI WAS A NOD TO THE
QUICKER ECMWF YESTERDAY... WHILE THE GEFS MEMBERS WERE STILL
LAGGING. CONSENSUS AMONG THE 12Z GFS AND 00Z ECMWF/ECENS/NAEFS
MEANS OFFERED A GOOD STARTING POINT WITH FEW CHANGES FROM
CONTINUITY. SECOND SYSTEM SHOULD PUSH INTO THE GULF AND HALT/WASH
OUT AS IT ENCOUNTERS RIDGING TO ITS EAST NEXT WEEKEND. THIS WILL
FOCUS PRECIP ESPECIALLY OVER THE PANHANDLE BUT ALSO ALONG SOUTH
CENTRAL COASTAL REGIONS. TEMPERATURES SHOULD RISE TO WELL ABOVE
AVERAGE THROUGH THE INTERIOR.


FRACASSO