015
ACUS11 KWNS 280108
SWOMCD
SPC MCD 280108
INZ000-ILZ000-MOZ000-280245-
MESOSCALE DISCUSSION 0583
NWS STORM PREDICTION CENTER NORMAN OK
0808 PM CDT MON APR 27 2026
AREAS AFFECTED...WEST-CENTRAL IN...CENTRAL/SOUTHERN
IL...EAST-CENTRAL MO
CONCERNING...TORNADO AND SEVERE THUNDERSTORM WATCHES
160...162...163...165...
VALID 280108Z - 280245Z
THE SEVERE WEATHER THREAT FOR TORNADO AND SEVERE THUNDERSTORM
WATCHES 160, 162, 163, 165 CONTINUES.
SUMMARY...DAMAGING WIND THREAT INCREASING AS A ORGANIZED QLCS
ADVANCES EASTWARD THROUGH THE EVENING. SOME QLCS TORNADO RISK MAY
CONTINUE ACROSS PARTS OF CENTRAL/SOUTHERN IL INTO EAST-CENTRAL MO.
DISCUSSION...A WELL-DEVELOPED QLCS EXTENDING FROM WEST-CENTRAL IN
THROUGH CENTRAL IL INTO EAST-CENTRAL MO WILL CONTINUE EASTWARD
THROUGH THE EVENING. AS THIS LINE HAS BECOME BETTER ORGANIZED AS IT
MOVES INTO AN AXIS OF MODERATE TO STRONG INSTABILITY OVERLAPPING A
40+ KT LOW LEVEL JET, SWATHS OF DAMAGING WINDS WILL BE POSSIBLE.
ADDITIONALLY, LOW-LEVEL SHEAR REMAINS FAVORABLE (0-1 KM SRH GREATER
THAN 300 M2/S2) FOR TORNADOES AND A FEW QLCS MESOVORTEX TORNADOES
WILL ALSO BE POSSIBLE. NEW WATCH ISSUANCE OR LOCAL EXTENSION OF
EXISTING TORNADO WATCHES WILL LIKELY BE NEEDED SOON.
..LEITMAN.. 04/28/2026
..PLEASE SEE WWW.SPC.NOAA.GOV FOR GRAPHIC PRODUCT
ATTN...WFO...IND...PAH...ILX...LSX...SGF...
LAT...LON 39898874 40458762 40438704 40288675 39978665 39638668
38938720 38338789 37728897 37389007 37499079 37709128
38109089 39898874
MOST PROBABLE PEAK TORNADO INTENSITY...120-145 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.50-2.50 IN
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