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509 

WWUS20 KWNS 142224

SEL2

SPC WW 142224

INZ000-OHZ000-150300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 422

NWS STORM PREDICTION CENTER NORMAN OK

625 PM EDT MON JUL 14 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN INDIANA

  WESTERN AND CENTRAL OHIO



* EFFECTIVE THIS MONDAY EVENING FROM 625 PM UNTIL 1100 PM EDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 50

STATUTE MILES EAST AND WEST OF A LINE FROM 40 MILES WEST OF

CINCINNATI OHIO TO 60 MILES NORTHEAST OF DAYTON OHIO.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 417...WW 418...WW

419...WW 420...WW 421...



DISCUSSION...SMALL MCS WITH TWO EMBEDDED LEWPS NOW IN ERN IND

EXPECTED TO MOVE EWD THROUGH MID-EVE. WHILE DOWNSTREAM ENVIRONMENT

IS SOMEWHAT LESS UNSTABLE THAN WAS THE ENVIRONMENT OVER IND EARLIER

TODAY...STORM DEVELOPMENT WILL CONTINUE TO BE PROMOTED BY 40 KT DEEP

WLY FLOW IN WAKE OF CONVECTIVE SYSTEM /SAMPLED BY INDIANAPOLIS

VWP/...AND BY LARGE-SCALE ASCENT DOWNSTREAM FROM UPR IMPULSE NOW

OVER NRN IL. A CONDITIONAL RISK WILL EXIST FOR OCCASIONAL LOCALLY

DMGG GUSTS.



AVIATION...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 450. MEAN STORM MOTION

VECTOR 26025.





...CORFIDI

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