

667 

WWUS20 KWNS 012156

SEL8

SPC WW 012156

INZ000-KYZ000-OHZ000-020300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 448

NWS STORM PREDICTION CENTER NORMAN OK

600 PM EDT SUN JUL 1 2012



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       SOUTHERN INDIANA

       NORTHERN KENTUCKY

       SOUTHWEST OHIO



EFFECTIVE THIS SUNDAY EVENING FROM 600 PM UNTIL 1100 PM EDT.



HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 40

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 65 MILES WEST

SOUTHWEST OF LOUISVILLE KENTUCKY TO 45 MILES EAST OF CINCINNATI

OHIO.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).



REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE

FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY

DO PRODUCE TORNADOES.



OTHER WATCH INFORMATION...CONTINUE...WW 442...WW 443...WW

444...WW 445...WW 446...WW 447...



DISCUSSION...THUNDERSTORMS ARE EXPECTED TO INCREASE IN COVERAGE AND

INTENSITY THROUGH THE EVENING AS OUTFLOW BOUNDARIES FROM STORMS TO

THE WEST AND NORTH SURGE INTO THE REGION.  HOT/HUMID SURFACE

CONDITIONS AND VERY UNSTABLE AIR MASS WILL PROMOTE INTENSE

UPDRAFTS/DOWNDRAFTS WITH A POTENTIAL FOR DAMAGING WINDS AND HAIL IN

THE STRONGER STORMS.



AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT

TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM

MOTION VECTOR 28030.





...HART

