Possible tornado touchdowns are under investigation in Jackson, Blackford, Lawrence and Jay Counties by the National Weather Service.
His declaration comes after the tornado hit the city on Sunday afternoon.
On Monday, the NWS was working to determine whether tornadoes touched down in IN and Ohio.
There was damage in several parts of the county including trees down on homes.
"I'm very, very grateful that nothing around here seemed to be really damaged like it was in Celina", St. Marys resident, Penni Carroll said". EF scale rating is still being determined.
Footage in the video player above shows a destroyed Dollar General store on Havemann Road.
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Earlier, in northern in, the weather service said heavy rains sent water flowing over roads in North Webster.
The NWS says they are continuing to investigate the area where the tornadoes touched down.
The NWS surveys continue in southern in on Monday afternoon.
On Sunday, NWS reports confirmed a tornado, estimating the storm as an EF1 tornado.
The Celina Police Department urges people to stay away from affected areas as crews work to clear the storm-affected areas.