Flood Watch issued September 17 at 2:22AM EDT until September 17 at 2:00PM EDT by NWS Wilmington OH (details ...)
* WHAT...Flash flooding caused by excessive rainfall continues to be possible.
* WHERE...Portions of central and west central Ohio, including the following counties, in central Ohio, Delaware, Franklin, Licking, Madison and Union. In west central Ohio, Auglaize, Champaign, Clark, Darke, Hardin, Logan, Mercer, Miami and Shelby.
* WHEN...Until 2 PM EDT this afternoon.
* IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms will move across parts of the area this morning, possibly extending into early afternoon. This may result in bands of heavier rainfall that could lead to flash flooding.
68° 68° chance Thu 84° Thu 84° likely 65° 65° slight chance Fri 77° Fri 77°
Saturday, July 18th, 2009
Photo by Nancy Allen/The Daily Standard

Mike Sudman, superintendent at the Celina Water Treatment Plant, performs tests Wednesday on water from Grand Lake to determine the levels of microcystin, a toxin produced by the lake's blue-green algae. Celina officials now test the water from Grand Lake to determine algae toxin levels.

Related online story:
The algae toxin in Grand Lake was present more than 30 years ago and could have been there since it was built on impounded swampland and prairie 164 years ago. [More]
Additional pictures on this date