315
WWUS20 KWNS 171912
SEL2
SPC WW 171912
ILZ000-MOZ000-180300-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 342
NWS STORM PREDICTION CENTER NORMAN OK
215 PM CDT WED JUN 17 2026
THE NWS STORM PREDICTION CENTER HAS ISSUED A
* TORNADO WATCH FOR PORTIONS OF
CENTRAL ILLINOIS
EASTERN MISSOURI
* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 215 PM
UNTIL 1000 PM CDT.
* PRIMARY THREATS INCLUDE...
SEVERAL TORNADOES AND A COUPLE INTENSE TORNADOES LIKELY
SCATTERED DAMAGING WINDS AND ISOLATED SIGNIFICANT GUSTS TO 75
MPH LIKELY
SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 3
INCHES IN DIAMETER LIKELY
SUMMARY...INTENSE THUNDERSTORMS ARE EXPECTED TO DEVELOP THIS
AFTERNOON OVER EASTERN MISSOURI AND WESTERN ILLINOIS, TRACKING
ACROSS THE WATCH THROUGH THE EVENING. SUPERCELLS CAPABLE OF
TORNADOES, LARGE HAIL, AND DAMAGING WINDS ARE ALL POSSIBLE WITH
THESE STORMS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 30 MILES NORTH NORTHWEST OF COLUMBIA
MO TO 35 MILES EAST NORTHEAST OF MATTOON IL. FOR A COMPLETE
DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE
(WOUS64 KWNS WOU2).
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 340...WW 341...
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 65 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN
STORM MOTION VECTOR 28035.
...HART
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