Slight risk of severe weather on first day of Three Rivers Festival

"Day 3 Convective Outlook" map
Yellow area: Slight risk of severe thunderstorms between 8 a.m. Sat. and 8 a.m. Sun. Green area: General thunderstorms. Source: Storm Prediction Center “Day 3 Convective Outlook

The northern two thirds of Indiana and adjacent parts of Ohio, Lower Michigan and Illinois have a slight risk of severe weather between 8 a.m. EDT Saturday, July 12 and 8 a.m. EDT Sunday, according to the “Day 3 Convective Outlook” that the National Weather Service Storm Prediction Center (SPC) issued at 3:30 a.m. today.

This means that as Fort Wayne’s annual Three Rivers Festival gets started Saturday, damaging straight-line thunderstorm winds of 58 mph or greater and/or hail of one inch or more in diameter could threaten the festival’s mostly outdoor activities.

As you can see on the map above right, the slight risk area includes all of IMO SKYWARN quadrant two, except the Ohio counties of Putnam and Allen.

We won’t know much more about Saturday’s severe weather risk until the SPC issues a “Day 2 Convective Outlook” at around 2 a.m. tomorrow (Friday). I’ll write about that outlook sometime tomorrow morning, so check back on w9lw.farlowconsulting.com then.

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