Frost Advisory issued May 2 at 1:13PM EDT until May 3 at 9:00AM EDT by NWS Wilmington OH (details ...)
* WHAT...Temperatures as low as 34 will result in frost formation.
* WHERE...Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio.
* WHEN...From 1 AM to 9 AM EDT Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.
35° 35° frost Sun 61° Sun 61° frost 48° 48° Mon 74° Mon 74° chance
Friday, August 31st, 2007
Photo by Mark Pummell/The Daily Standard

Linda Merchant-Masonbrink of the Ohio EPA uses a net to collect the microscopic plants termed phytoplankton and microscopic animal life called zooplankton from the Grand Lake's water.

Related online story:
The water in Grand Lake was tested Thursday as part of a first-ever Survey of the Nation's Lakes.
The 13,500-acre lake is among 19 in Ohio and 909 across the United States randomly selected for the testing. [More]
Additional pictures on this date