Prognostic Meteorological Discussion
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FXUS02 KWBC 070532
PMDEPD

EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1231 AM EST SAT MAR 07 2015

VALID 12Z TUE MAR 10 2015 - 12Z SAT MAR 14 2015


THE GLOBAL NUMERICAL GUIDANCE INDICATES THAT THE FLOW IS IN FLUX
ACROSS CENTRAL NORTH AMERICA AT THE MEDIUM RANGE, WITH CHANGES
FROM THE SHORT RANGE UNDONE BY THE TIME DAY 7 ROLLS AROUND. STUCK
WITH THE ENSEMBLE MEANS FOR THIS VOLATILE REGIME, WHICH SHOW
ENOUGH OF A RELAXING OF THE NORTHERN STREAM TO ALLOW WIDESPREAD
PRECIPITATION TO BREAK OUT FROM THE GULF OF MEXICO TO THE OHIO
VALLEY AND MID-ATLANTIC--MOSTLY IN THE FORM OF RAIN. THE WEST
COAST IS WETTEST DAYS 4 AND 5, WITH THE TENDENCY TOWARD RIDGING
ONCE AGAIN SHUTTING DOWN THE PRECIPITATION DAYS 6 AND 7. MUCH OF
THE NATION WILL BE MILD UNTIL LATE IN THE PERIOD WHEN A SPRAWLING
SURFACE HIGH BUILDS ACROSS SOUTHEASTERN CANADA AND FEEDS COLD AIR
BACK INTO THE BORDER STATES.


CISCO

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