448
FXUS01 KWBC 081952
PMDSPD
SHORT RANGE FORECAST DISCUSSION
NWS HYDROMETEOROLOGICAL PREDICTION CENTER CAMP SPRINGS MD
351 PM EDT TUE MAY 08 2012
VALID 00Z WED MAY 09 2012 - 00Z FRI MAY 11 2012
...THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ALONG THE LOWER
RIO GRANDE VALLEY...
..HEAVY RAINS POSSIBLE ALONG PORTIONS OF THE NEW ENGLAND COAST
A FRONT ALONG THE APPALACHIANS/EASTERN SEABOARD WILL SLOWLY MOVE
OFF THE EAST COAST OVERNIGHT WEDNESDAY. THE SYSTEM WILL PRODUCE
SHOWERS AND THUNDERSTORMS FROM THE MID-ATLANTIC TO THE SOUTHEAST
THAT WILL EXPAND INTO PARTS OF NEW ENGLAND ON WEDNESDAY. THE
SHOWERS AND THUNDERSTORMS WILL COME TO AN END ALONG MOST OF THE
EAST COAST BY THURSDAY MORNING ... WITH SOME LINGERING SHOWERS AND
THUNDERSTORMS OVER SOUTHERN FLORIDA. RAIN WILL ALSO DEVELOP OVER
PARTS OF THE NORTHEAST THROUGH THURSDAY. IN ADDITION ...
UPPER-LEVEL ENERGY WILL AID IN PRODUCING DAYTIME
SHOWERS/THUNDERSTORMS AND MORNING RAIN OVER PARTS OF THE UPPER
MISSISSIPPI VALLEY/GREAT LAKES ENDING WEDNESDAY AFTERNOON.
THE SOUTHERN AND WESTERN PORTION OF THE FRONT WILL BECOME
QUASI-STATIONARY OVER NORTHERN MEXICO AND THE GULF OF MEXICO
THROUGH THURSDAY. EASTERLY FLOW OFF THE GULF OF MEXICO WILL AID
IN PRODUCING SHOWERS AND THUNDERSTORMS OVER TEXAS AND THE GULF
COAST THROUGH LATE WEDNESDAY NIGHT. SHOWERS AND THUNDERSTORMS
WILL CONTINUE OVER NORTHERN MEXICO AND TEXAS THROUGH THURSDAY.
AFTERNOON AND EVENING SHOWERS AND THUNDERSTORMS WILL DEVELOP ALONG
THE CENTRAL AND EASTERN GULF COAST ON WEDNESDAY.
A FRONT OVER THE NORTHWEST WILL MOVE EASTWARD TO THE NORTHERN HIGH
PLAINS/GREAT BASIN BY THURSDAY. THE SYSTEM WILL HAVE LITTLE
MOISTURE WITH IT ... SO THERE IS NO PRECIPITATION ASSOCIATED WITH
THE STORM UNTIL THURSDAY MORNING WHEN UPPER-LEVEL JET DYNAMICS
WILL AID IN TRIGGERING HIGHER ELEVATION SNOW OVER PARTS OF THE
NORTHERN ROCKIES AND RAIN OVER PARTS OF THE NORTHERN HIGH PLAINS.
ZIEGENFELDER
GRAPHICS AVAILABLE AT WWW.HPC.NCEP.NOAA.GOV
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