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645 

WWUS20 KWNS 061155

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SPC WW 061155

KYZ000-MDZ000-NYZ000-OHZ000-PAZ000-WVZ000-061900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 271

NWS STORM PREDICTION CENTER NORMAN OK

755 AM EDT SUN JUN 6 2010



THE NWS STORM PREDICTION CENTER HAS ISSUED A

TORNADO WATCH FOR PORTIONS OF



       FAR NORTHERN KENTUCKY

       FAR WESTERN MARYLAND

       SOUTH CENTRAL NEW YORK

       SOUTHERN AND SOUTHEASTERN OHIO

       WESTERN AND CENTRAL PENNSYLVANIA

       NORTHERN AND WESTERN WEST VIRGINIA



EFFECTIVE THIS SUNDAY MORNING AND AFTERNOON FROM 755 AM UNTIL 300

PM EDT.



TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS

TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 115 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH OF ATHENS OHIO

TO 10 MILES NORTHWEST OF BINGHAMTON NEW YORK.  FOR A COMPLETE

DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE

(WOUS64 KWNS WOU1).



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS.



OTHER WATCH INFORMATION...CONTINUE...WW 270...



DISCUSSION...SUSTAINED STORMS/SUPERCELLS EXPECTED TO PERSIST /REF

MCD 827/ ALONG AND AHEAD OF COLD FRONT TRAILING SW FROM S CNTRL NY

SFC LOW.  OTHER STORMS EXPECTED TO FORM/PERSIST NEAR SFC LOW.  GIVEN

STRENGTH/EXPECTED INCREASE IN WIND FIELD...MOISTURE AVAILABILITY

...AND MODEST SFC HEATING...POTENTIAL WILL EXIST FOR A COUPLE

TORNADOES...IN ADDITION TO LOCALLY DMGG WIND AND PERHAPS MARGINALLY

SVR HAIL.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND

GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.

MEAN STORM MOTION VECTOR 27045.





...CORFIDI

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