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Alaska Extended Forecast Discussion
 
(Caution: Version displayed is not the latest version. - Issued 1853Z Jan 24, 2015)
 
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ALASKA EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
153 PM EST SAT JAN 24 2015

VALID 12Z WED JAN 28 2015 - 12Z SUN FEB 01 2015


WITH THE 00Z/24 ECMWF HAVING TRENDING WEST OF THE DATELINE WITH
THE DEEPENING CYCLONE NEXT FRIDAY NIGHT, THE CHANCES FOR MORE
GENERAL CYCLONIC FLOW OVER THE EASTERN ALEUTIANS HAS DROPPED
PRECIPITOUSLY. INCORPORATED ABOUT 30 PERCENT OF THE 00Z/24 ECMWF
WITH THE NAEFS MEAN FROM THE SAME DATA CYCLE TO ARRIVE AT A SUBTLE
SHIFT IN THE FORECAST PARAMETERS SET FORTH IN YESTERDAY'S PACKAGE.
THE NEW BLOCKING CONFIGURATION CONTINUES TO LOOK LIKE THE SYNOPTIC
TABLE-SETTER FOR ALASKA AT THE MEDIUM RANGE.


CISCO