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575 

WWUS20 KWNS 202001

SEL5

SPC WW 202001

ILZ000-INZ000-OHZ000-210300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 275

NWS STORM PREDICTION CENTER NORMAN OK

400 PM EDT MON JUN 20 2016



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  EASTERN ILLINOIS

  NORTHERN AND CENTRAL INDIANA

  WESTERN OHIO



* EFFECTIVE THIS MONDAY AFTERNOON AND EVENING FROM 400 PM UNTIL

  1100 PM EDT.



* PRIMARY THREATS INCLUDE...

  SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED VERY LARGE HAIL EVENTS TO 2 INCHES IN DIAMETER POSSIBLE



SUMMARY...SEVERE THUNDERSTORMS WILL CONTINUE TO INCREASE IN COVERAGE

AND INTENSITY AHEAD OF A SOUTHEASTWARD-MOVING COLD FRONT. AN

INCREASINGLY MOIST AND UNSTABLE AIR MASS AND STRENGTHENING

HIGH-LEVEL NORTHWESTERLY WINDS WILL SUPPORT SOUTHEAST-MOVING

STORMS/LINE SEGMENTS CAPABLE OF DAMAGE AND SOME HAIL.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 60

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 35 MILES NORTHWEST

OF CHAMPAIGN ILLINOIS TO 45 MILES SOUTH SOUTHEAST OF FINDLAY

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

WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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.



&&



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 550. MEAN STORM

MOTION VECTOR 31025.





...GUYER

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