

679 

WWUS20 KWNS 010238

SEL6

SPC WW 010238

ILZ000-INZ000-KYZ000-MOZ000-010900-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 266

NWS STORM PREDICTION CENTER NORMAN OK

940 PM CDT FRI MAY 31 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHERN ILLINOIS

  SOUTHERN INDIANA

  WESTERN KENTUCKY

  SOUTHERN MISSOURI



* EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 940 PM

  UNTIL 400 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  NUMEROUS DAMAGING WIND GUSTS LIKELY WITH A FEW SIGNIFICANT GUSTS

    TO 80 MPH POSSIBLE

  SEVERAL LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 60 STATUTE

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

MISSOURI TO 70 MILES EAST OF MOUNT VERNON ILLINOIS.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU6).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



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 260...WW 261...WW

262...WW 263...WW 264...WW 265...



DISCUSSION...THE MESOSCALE CONVECTIVE SYSTEM NOW ONGOING ACROSS THE

MISSOURI OZARKS THROUGH THE MIDDLE MISSISSIPPI VALLEY APPEARS LIKELY

TO MAINTAIN STRENGTH INTO THE OVERNIGHT HOURS.  AS ACTIVITY

PROGRESSES EASTWARD INTO PORTIONS OF THE LOWER OHIO VALLEY...IT WILL

CONTINUE TO BE ACCOMPANIED BY THE RISK FOR SEVERE WIND GUSTS...HAIL

AND THE POTENTIAL FOR TORNADOES.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 26040.





...KERR

