

030 

WWUS20 KWNS 202341

SEL5

SPC WW 202341

ARZ000-ILZ000-INZ000-KYZ000-MOZ000-TNZ000-210600-



URGENT - IMMEDIATE BROADCAST REQUESTED

SEVERE THUNDERSTORM WATCH NUMBER 445

NWS STORM PREDICTION CENTER NORMAN OK

640 PM CDT MON JUL 20 2015



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

  NORTHEAST ARKANSAS

  SOUTHERN ILLINOIS

  SOUTHERN INDIANA

  WESTERN KENTUCKY

  SOUTHEAST MISSOURI

  NORTHWEST TENNESSEE



* EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 640 PM

  UNTIL 100 AM CDT.



* PRIMARY THREATS INCLUDE...

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE

  ISOLATED LARGE HAIL EVENTS TO 1.5 INCHES IN DIAMETER POSSIBLE

  A TORNADO OR TWO POSSIBLE



SUMMARY...STORMS WITH MULTICELL AND MARGINAL SUPERCELL

CHARACTERISTICS WILL CONTINUE DEVELOPING SEWD THROUGH SERN MO...WRN

KY...SRN IL AND IND AND EVENTUALLY INTO NWRN TN. PRIMARY THREATS

WILL BE DAMAGING WIND AND HAIL...BUT A BRIEF TORNADO OR TWO CANNOT

BE RULED OUT.



THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 105

STATUTE MILES EAST AND WEST OF A LINE FROM 45 MILES EAST

NORTHEAST OF CARBONDALE ILLINOIS TO 40 MILES SOUTHEAST OF POPLAR

BLUFF MISSOURI.  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 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60

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

MOTION VECTOR 29025.





...DIAL

