MIL-OSI USA: SPC MD 1685

Source: US National Oceanic and Atmospheric Administration

Mesoscale Discussion 1685

Mesoscale Discussion 1685
NWS Storm Prediction Center Norman OK
1240 PM CDT Wed Jul 16 2025

Areas affected…Central/Southern OH into Far Northern KY

Concerning…Severe potential…Watch unlikely

Valid 161740Z – 161945Z

Probability of Watch Issuance…20 percent

SUMMARY…Increasing thunderstorm coverage is expected across
central/southern Ohio and far northern Kentucky this afternoon.
Isolated damaging gusts are possible with a few of these
thunderstorm clusters.

DISCUSSION…Thunderstorm coverage is expected to increase across
central/southern OH and far northern KY over the next few hours as
the well-defined MCV currently over far southeast IN progresses
northeastward into the moist and destabilizing downstream airmass.
Deep-layer flow across the region is modest, resulting in a
predominantly multicellular storm mode. However, some enhanced
low/mid-level southwesterlies will accompany the MCV, which could
contribute to a few loosely organized, northeastward-progressing
clusters capable of isolated damaging gusts. Limited severe coverage
is expected to preclude the need for watch.

..Mosier/Smith.. 07/16/2025

…Please see www.spc.noaa.gov for graphic product…

ATTN…WFO…PBZ…RLX…CLE…JKL…ILN…LMK…IWX…

LAT…LON 40048474 40848401 41008225 40288168 38668224 38128386
38938467 40048474

MOST PROBABLE PEAK WIND GUST…UP TO 60 MPH

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