Portions of the Miami Valley are under a slight risk for severe weather on Sunday. The Storm Prediction Center has Montgomery, Preble, Clark, Greene, Warren, Butler, and Clinton County under a slight risk for severe weather. The rest of the Miami Valley is under a marginal risk. This means scattered to isolated severe thunderstorms are possible.
After a line of thunderstorms moved through early this morning, isolated thunderstorms are possible later in the afternoon and evening. The main risk is damaging wind. There is the potential for at least quarter sized hail, especially in any isolated storm that develops this afternoon.
2:50 P.M. Update: It looks like most of the Severe Weather will stay just south of the Miami Valley. A few isolated storms have developed in Warren, Clinton, and Butler County that has the potential to become severe. Watch Storm Team 2 Meteorologist Carly Smith’s latest forecast update.
These storms have developed along a boundary most likely left over from this morning’s round of storms. The boundary will work to keep storms in the Ohio Valley, but as the cold front pushes further south and stalls over the Miami Valley, we could see a few storms develop this evening. We aren’t totally in the clear. We see another chance for thunderstorms late on Memorial Day.
1:41 P.M. Update, Round two begins: A Severe Thunderstorm Watch was issued until 9 p.m. for the Ohio Valley. This includes Butler, Warren, and Clinton County. A severe thunderstorm has formed in south central Ohio. Hail and damaging winds are the greatest threats.
8:22 A.M. Update, Round one has ended: A few isolated thunderstorms have developed behind the line. 45 mph wind gust are possible in Logan and Champaign County. During the early morning line of thunderstorms wind damage was reported across Clark, Miami, Shelby, and Logan County.
5:59 A.M. in Sharpeye, a tree fell on Wildcat road and caused an accident.
6:10 A.M. in Bradford, Trees fell on Childrens Home at Bradford Road and caused an accident.
6:22 A.M. A tree fell on a house in Piqua.
6:23 A.M. in Sidney, trees feel on power lines at the intersection of State Route 47 and Herring Road
6:30 A.M. A tree fell on North Oak Road and a power pole is down on Houser road near Lakeview.
7:00 A.M. Update: The line of thunderstorms is moving out the eastern edge of the Miami Valley. Greene County to eastern Champaign County will continue to see wind gusts up to 45 mph through 8 a.m.
Isolated storms have formed behind the line. Isolated heavy downpours will continue through the morning.
6:00 A.M. Update: A line of storms intensified as the sun came up. 60 mph wind gust was reported in Muncie Indiana. A Severe Thunderstorm Watch is issued for, Darke, Miami, Shelby, Champaign, Logan, and Clark County until 10 A.M.
4:45 A.M. Update: A line of severe thunderstorms with a history of producing severe wind gusts of at least 60 mph is moving into eastern Indiana. This line of thunderstorms appears to be weakening as it approaches the state line. The last damage report comes from Indianapolis where a few tree limbs and shingles were blown around. A few counties in eastern Indiana are under a Severe Thunderstorm Watch. At this time no one in the Miami Valley is under a watch or warning. As of 4:42 a.m. the peak wind gust was 50 mph as the storm moved through Indianapolis.
This line of storms will move through the Miami Valley between 5:15 and 9:15 a.m. A period of moderate rain will follow behind the initial line of storms. Flooding may become a hazard for areas north of I-70.