Update: The Day 2 Convective Outlook that SPC issued at 1:44 p.m. EDT continues the slight risk of severe weather in Indiana tomorrow. The outlook indicates that conditions will support all modes of severe storms, including supercells and bowing line segments. Also, the system will be capable of a few tornadoes, damaging straight-line winds and large hail. The next outlook for tomorrow will be the Day 1 Convective Outlook due at 2 a.m. EDT tomorrow.
Original Post: Almost all of Indiana remains at slight risk for severe weather tomorrow, according to the Day 2 Convective Outlook at that the Storm Prediction Center issued at 1:57 am. EDT today. As you can see on the map at right, the slight risk area excludes only a tiny corner of southeastern Indiana. All Indiana, Ohio and Michigan counties covered by the northern Indiana National Weather Service office are in the slight risk area.
The outlook indicates that several rounds of storms are possible in the slight risk area. Conditions are forecast to support organized clusters of strong to severe storms in the forms of supercells and bowing line segments. If substantial destabilization of the atmosphere happens tomorrow, there could be an appreciable tornado threat in the slight risk area, especially in the Missouri River Valley. The next look at tomorrow’s risk will come in a new Day 2 Convective Outlook by 1:30 p.m. EDT today.
In addition to a slight risk tomorrow, there is now a slight risk of severe weather in Indiana on Saturday, according to the latest Day 3 Convective Outlook. The slight risk area in that outlook covers all of Indiana and again, all of the Indiana, Michigan and Ohio counties covered by the northern Indiana weather forecast office.