Prognostic Meteorological Discussion
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FXUS02 KWBC 230350
PMDEPD

EXTENDED FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
1049 PM EST SUN JAN 22 2017

VALID 12Z THU JAN 26 2017 - 12Z MON JAN 30 2017

QUIET PATTERN ACROSS THE CONUS IN THE MEDIUM RANGE WITH A
CONTINENTAL POLAR AIRMASS BLEEDING INTO THE EASTERN THIRD OF THE
LOWER 48. PRECIPITATION WILL BE LIMITED TO THE GREAT LAKES
(PRIMARILY LAKE EFFECT), ALONG THE GULF COAST FROM TEXAS INTO
FLORIDA NEAR A STALLED FRONT, AND OVER COASTAL WASHINGTON AS
PACIFIC SYSTEMS LIFT INTO NW CANADA. MODELS AND ENSEMBLES SHOW
GREAT AGREEMENT OVERALL INTO THE WEEKEND THEN DIFFER ON SHAPE OF
THE RIDGING IN THE WEST AND DETAILS OF A CLIPPER SYSTEM MOVING
TOWARD THE GREAT LAKES. CONSENSUS BLEND OF THE RECENT GUIDANCE
MAINTAINS GOOD CONTINUITY. TEMPERATURES WILL MOSTLY STAY
NEAR/BELOW AVERAGE IN THE WEST AND SOUTHEAST/MID-ATLANTIC WHILE
THE NORTHERN PLAINS INTO THE GREAT LAKES SHOULD STAY ABOVE AVERAGE
THANKS TO ENOUGH PACIFIC AIRMASS INFLUENCE FROM THE WEST.


FRACASSO


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