

498 

WWUS20 KWNS 210359

SEL7

SPC WW 210359

ILZ000-INZ000-KYZ000-MOZ000-211000-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 197

NWS STORM PREDICTION CENTER NORMAN OK

1055 PM CDT MON MAY 20 2013



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  EAST CENTRAL ILLINOIS

  WESTERN AND CENTRAL INDIANA

  WESTERN KENTUCKY

  SOUTHEAST MISSOURI



* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1055 PM

  UNTIL 500 AM CDT.



* PRIMARY THREATS INCLUDE...

  SEVERAL TORNADOES POSSIBLE

  NUMEROUS DAMAGING WIND GUSTS TO 70 MPH LIKELY

  A FEW LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 70 STATUTE

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

POPLAR BLUFF MISSOURI TO 5 MILES WEST NORTHWEST OF LAFAYETTE

INDIANA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE

ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).



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 193...WW 194...WW

195...WW 196...



DISCUSSION...SE MO/CNTRL IL SQLN WITH EMBEDDED LOW-AMPLITUDE BOWS

EXPECTED TO CONTINUE EWD...WHERE EXISTING WIND/THERMODYNAMIC

ENVIRONMENT APPEAR SUPPORTIVE OF ADDITIONAL SVR WIND

GUSTS...MARGINALLY SVR HAIL...AND POSSIBLY BRIEF TORNADOES. A

TORNADO THREAT ALSO MAY DEVELOP WITH ONE OR TWO STORMS ARISING FROM

CONFLUENCE AXIS AHEAD OF SQLN IN SE MO AS THE STORMS MOVE/DEVELOP

NEWD INTO MOIST/STRONGLY-SHEARED LOW-LVL ENVIRONMENT INTO SRN IL.



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

SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24035.





...CORFIDI

