| Mesoscale Discussion 1003 | |
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Mesoscale Discussion 1003
NWS Storm Prediction Center Norman OK
0206 PM CDT Sat Jun 06 2026
Areas affected...portions of eastern Illinois...northern
Indiana...eastern Ohio
Concerning...Severe potential...Watch possible
Valid 061906Z - 062100Z
Probability of Watch Issuance...60 percent
SUMMARY...A few strong to severe storms possible this afternoon with
potential for instances of large hail and strong to severe winds.
DISCUSSION...Scattered thunderstorms have developed across northern
Indiana/eastern Illinois this afternoon in the wake of morning
convection south of the cold front near remnant outflow. While
stronger flow aloft is shifting eastward, the air mass remains
favorably unstable, with MLCAPE around 1000-2000 J/kg. In addition,
shear profiles are sufficient to support potential for loosely
organized multi-cells and transient supercell structures capable of
severe hail.
..Thornton/Thompson.. 06/06/2026
...Please see www.spc.noaa.gov for graphic product...
ATTN...WFO...ILN...IWX...IND...LOT...ILX...
LAT...LON 40738813 41208796 41558745 41608617 41688521 41348447
40508431 40078464 39778646 39958773 40088804 40738813
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...UP TO 1.25 IN
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