Prognostic Meteorological Discussion
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000
FXUS01 KWBC 272027
PMDSPD

SHORT RANGE FORECAST DISCUSSION
NWS WEATHER PREDICTION CENTER COLLEGE PARK MD
426 PM EDT TUE SEP 27 2016

VALID 00Z WED SEP 28 2016 - 00Z FRI SEP 30 2016

...HEAVY RAIN EXPECTED ACROSS THE MID-ATLANTIC REGION AS MOISTURE
INCREASES AHEAD OF AN ANOMALOUS UPPER LOW DIGGING FROM THE GREAT
LAKES TO THE TENNESSEE VALLEY...

...TEMPERATURES SHOULD REMAIN ABOVE NORMAL ACROSS THE NORTHERN
ROCKIES WHILE SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE
OVER THE SOUTHWEST AND SOUTHERN ROCKIES AND...

COOL AND UNSETTLED CONDITIONS ARE EXPECTED WITH AN ANOMALOUS UPPER
LOW DIGGING SOUTHEASTWARD THROUGH THE GREAT LAKES...OHIO
VALLEY...AND TENNESSEE VALLEY THE NEXT FEW DAYS.  BY WEDNESDAY
AFTERNOON INTO THURSDAY...INCREASING AMOUNTS OF ATLANTIC MOISTURE
WRAPPING NORTHWESTWARD AHEAD OF THE DIGGING UPPER LOW SHOULD SET
THE STAGE FOR A HEAVY RAIN EVENT ACROSS THE CENTRAL APPALACHIANS
AND MID-ATLANTIC STATES AS IT INTERACTS WITH SURFACE BOUNDARY
LINGERING OVER THE REGION.

ELSEWHERE ACROSS THE NATION...CONDITIONS WILL STAY WARM AND DRY
ACROSS THE NORTHERN ROCKIES WHILE TEMPERATURES SHOULD LOWER WITH A
COLD FRONT PRESSING INLAND OVER THE PACIFIC NORTHWEST.  FARTHER
SOUTH...MODEST MOISTURE COMBINED WITH WEAK ENERGY ALOFT SHOULD
FOSTER AFTERNOON SHOWERS AND THUNDERSTORMS OVER PORTIONS OF THE
SOUTHWEST AND SOUTHERN ROCKIES THE NEXT FEW DAYS.

GERHARDT


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