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000 

WWUS20 KWNS 211322

SEL5

SPC WW 211322

INZ000-OHZ000-211700-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 715

NWS STORM PREDICTION CENTER NORMAN OK

925 AM EDT MON JUL 21 2008



THE NWS STORM PREDICTION CENTER HAS ISSUED A

SEVERE THUNDERSTORM WATCH FOR PORTIONS OF



       NORTHERN INDIANA

       NORTHWEST OHIO



EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 925 AM UNTIL 100

PM EDT.



HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 80

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



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

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

SOUTHWEST OF MEIGS FIELD ILLINOIS TO 70 MILES EAST OF FORT WAYNE

INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).



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 714...



DISCUSSION...CNTRL/NRN IL BOW MCS MAY CONTINUE E INTO NRN IND LATER

THIS MORNING...WHERE DOWNWARD MIXING FROM STRONG WNW MID LVL FLOW

AND SFC HEATING MAY FOSTER CONTINUED FORWARD PROPAGATION/DMGG WIND

GUSTS...DESPITE EXISTING STABLE NEAR-SFC LAYER.



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

TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS.

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

VECTOR 29045.





...CORFIDI

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