250
WWUS20 KWNS 092300
SEL7
SPC WW 092300
ARZ000-ILZ000-KYZ000-MOZ000-TNZ000-100500-
URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 477
NWS STORM PREDICTION CENTER NORMAN OK
600 PM CDT THU JUL 9 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* SEVERE THUNDERSTORM WATCH FOR PORTIONS OF
EXTREME NORTHEAST ARKANSAS
EXTREME SOUTHERN ILLINOIS
EXTREME WESTERN KENTUCKY
SOUTHERN MISSOURI
EXTREME NORTHWEST TENNESSEE
* EFFECTIVE THIS THURSDAY NIGHT FROM 600 PM UNTIL MIDNIGHT CDT.
* PRIMARY THREATS INCLUDE...
SCATTERED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE
ISOLATED LARGE HAIL EVENTS TO 1 INCH IN DIAMETER POSSIBLE
A TORNADO OR TWO POSSIBLE
SUMMARY...CLUSTERS OF STORMS WILL SPREAD EAST-SOUTHEASTWARD FROM
SOUTHEAST MISSOURI INTO ADJACENT AREAS OF ARKANSAS, KENTUCKY AND
ILLINOIS, WITH THE POTENTIAL TO PRODUCE OCCASIONAL WIND DAMAGE.
ADDITIONAL STORM DEVELOPMENT IS EXPECTED IN SOUTHERN MISSOURI WHERE
A MIX OF MULTICELL CLUSTERS AND SUPERCELLS WILL BE CAPABLE OF
PRODUCING OCCASIONAL WIND DAMAGE, ISOLATED LARGE HAIL AND POSSIBLY
AN ISOLATED TORNADO OR TWO.
THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 35
STATUTE MILES NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH
NORTHWEST OF SPRINGFIELD MO TO 50 MILES SOUTHEAST OF CAPE GIRARDEAU
MO. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH
OUTLINE UPDATE (WOUS64 KWNS WOU7).
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 474...WW 475...WW 476...
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
31020.
...THOMPSON
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