

983 

WWUS20 KWNS 092242

SEL4

SPC WW 092242

ILZ000-MOZ000-100300-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 484

NWS STORM PREDICTION CENTER NORMAN OK

545 PM CDT SUN AUG 9 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  A SMALL PART OF SOUTHWEST ILLINOIS

  PARTS OF EAST CENTRAL AND SOUTHEAST MISSOURI



* EFFECTIVE THIS SUNDAY AFTERNOON AND EVENING FROM 545 PM UNTIL

  1000 PM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE



SUMMARY...A CLUSTER OF STORMS IS SLOWLY INTENSIFYING OVER CENTRAL

MO...AND THE POTENTIAL FOR DAMAGING OUTFLOW GUSTS MAY ALSO INCREASE

THIS EVENING AS THE STORMS ENCOUNTER A MORE UNSTABLE ENVIRONMENT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 45

STATUTE MILES NORTH AND SOUTH OF A LINE FROM 25 MILES WEST OF

VICHY MISSOURI TO 30 MILES EAST NORTHEAST OF FARMINGTON MISSOURI.

 FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH

OUTLINE UPDATE (WOUS64 KWNS WOU4).



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 483...



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 600. MEAN STORM MOTION

VECTOR 28030.





...THOMPSON

