Prognostic Meteorological Discussion
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636
FXUS01 KWBC 232008
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
407 PM EDT MON OCT 23 2017

VALID 00Z TUE OCT 24 2017 - 00Z THU OCT 26 2017

...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS OVER PARTS OF
THE SOUTHERN MID-ATLANTIC...

...HEAVY RAIN POSSIBLE OVER PARTS OF NEW ENGLAND...

...HEAVY RAIN POSSIBLE OVER PARTS OF THE UPPER GREAT LAKES...

A DEEP UPPER-LEVEL TROUGH OVER THE MIDDLE/UPPER MISSISSIPPI VALLEY
WILL DEEPEN AND THE TROUGH AXIS WILL MOVE TO THE GREAT LAKES TO
THE EASTERN GULF COAST BY WEDNESDAY.  RAIN WILL DEVELOP OVER THE
GREAT LAKES/OHIO VALLEY THROUGH WEDNESDAY MORNING.  WET SNOW WILL
ALSO DEVELOP OVER PARTS OF THE NORTHWESTERN PORTION OF THE UPPER
PENINSULA OF MICHIGAN TUESDAY AFTERNOON INTO LATE TUESDAY EVENING.
 RAIN WILL ALSO DEVELOP OVER PARTS OF THE LOWER GREAT LAKES INTO
THE CENTRAL APPALACHIANS THAT WILL MOVE SLOWLY MOVE INTO PARTS OF
NORTHERN NEW ENGLAND BY WEDNESDAY MORNING.

SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG AND AHEAD OF THE
ASSOCIATED FRONT FROM PARTS OF THE MID-ATLANTIC/SOUTHERN
APPALACHIANS INTO THE SOUTHEAST THAT WILL MOVE NORTHEASTWARD INTO
SOUTHERN NEW ENGLAND AND TO THE MID-ATLANTIC COAST BY TUESDAY
MORNING.  THE SHOWERS AND THUNDERSTORMS WILL MOVE OFF MOST OF THE
SOUTHEAST COAST BY TUESDAY MORNING, TOO.  THE SHOWERS AND
THUNDERSTORMS WILL MOVE OFF THE MID-ATLANTIC COAST OVERNIGHT
TUESDAY, WHILE LINGERING OVER PARTS OF SOUTHERN NEW ENGLAND
THROUGH WEDNESDAY MORNING.

...MORE TO FOLLOW...

ZIEGENFELDER



GRAPHICS AVAILABLE AT
WWW.WPC.NCEP.NOAA.GOV/BASICWX/BASICWX_NDFD.PHP
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