ACUS11 KWNS 110101
SWOMCD
SPC MCD 110100
OHZ000-INZ000-110230-

Mesoscale Discussion 1911
NWS Storm Prediction Center Norman OK
0800 PM CDT Mon Aug 10 2026

Areas affected...Parts of northern IN into western OH

Concerning...Severe Thunderstorm Watch 560...

Valid 110100Z - 110230Z

The severe weather threat for Severe Thunderstorm Watch 560
continues.

SUMMARY...A severe hail/wind threat will expand east-southeastward
across northern Indiana into western Ohio this evening.

DISCUSSION...Thunderstorms have increased in coverage this evening
across northern IN, likely aided by a weak mid-level disturbance
noted on water vapor satellite imagery upstream across IL. Initial
cells have undergone mergers, with multiple clusters ongoing. Ample
low-level moisture and related very strong buoyancy will continue to
support vigorous updrafts, even though stronger mid-level flow and
related deep-layer shear will tend to remain a bit displaced to the
north of the surface warm sector. Even so, enough shear should be
present to support a mix of supercells and multicells in the short
term (reference recent VWPs from KIWX). Severe hail generally up to
1-1.5 inches in diameter will be possible with any cells that can
remain at least semi-discrete, while damaging winds may occur with
any small clusters moving east-southeastward. An increase in the
severe wind potential may develop across parts of northeast IN into
northwest OH if a more dominant cluster can become established, as
some short-term guidance suggests.

..Gleason.. 08/11/2026

...Please see https://urldefense.com/v3/__http://www.spc.noaa.gov__;!!DZ3fjg!9OxA4ezok5rZecfdtzaxFoYQKhBcz5DHvGSbycKqpt8QXAhlKbEXv51bhAS1ff_6y_NwGosPNKPswUKG916m7QpgOOE$ for graphic product...

ATTN...WFO...CLE...ILN...IWX...IND...LOT...

LAT...LON 41528662 41648555 41388421 40668325 40058350 40048481
40538634 41198741 41528662

MOST PROBABLE PEAK TORNADO INTENSITY...UP TO 90 MPH
MOST PROBABLE PEAK WIND GUST...55-70 MPH
MOST PROBABLE PEAK HAIL SIZE...1.00-1.75 IN


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