* WHAT. Heat index values up to 101 are expected. * WHERE. Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN. Until 8 PM Friday. * IMPACTS. The combination of excessive heat due to temperatures in the 90s and high humidity will increase the threat of heat illnesses.

At 416 PM EDT, Doppler radar was tracking a strong thunderstorm near Dalton, or 10 miles southeast of Wooster, moving northeast at 15 mph. HAZARD. Wind gusts up to 50 mph and half inch hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include. Canton, Wooster, Massillon, Orrville, Brewster, Navarre, Dalton, Mount Eaton, Canal Fulton, Apple Creek, Hills And Dales, Perry Heights, and North Lawrence.

SMWCLE The National Weather Service in Cleveland has issued a * Special Marine Warning for. Nearshore waters from Reno Beach OH to the Islands OH. Open waters from Reno Beach OH to Vermilion OH. * Until 430 PM EDT. * At 353 PM EDT, a strong thunderstorm was located near Put-In-Bay, moving northeast at 20 knots. HAZARD. Wind gusts to 40 knots and small hail. SOURCE. Radar. IMPACT. Small craft could be damaged in briefly higher winds and suddenly higher waves. * Locations impacted include. Put-In-Bay and Kelleys Island.

At 350 PM EDT, Doppler radar was tracking a strong thunderstorm near Wakeman, or 8 miles east of Norwalk, moving east at 25 mph. HAZARD. Wind gusts up to 50 mph and half inch hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include. Lorain, Elyria, Vermilion, Western Vermilion, North Ridgeville, Amherst, Grafton, Wakeman, Sheffield Lake, Oberlin, Sheffield, Lagrange, South Amherst, Pittsfield, Berlin Heights, Kipton, and Birmingham.

At 338 PM EDT, Doppler radar was tracking strong thunderstorms along a line extending from near Twinsburg to near Akron to near Barberton to near Doylestown. Movement was east at 30 mph. HAZARD. Wind gusts up to 40 mph and pea size hail. SOURCE. Radar indicated. IMPACT. Gusty winds could knock down tree limbs and blow around unsecured objects. Minor hail damage to vegetation is possible. Locations impacted include. Akron, Ravenna, Kent, Green, Solon, Alliance, Hudson, Tallmadge, North Canton, Streetsboro, Mogadore, Hartville, Garrettsville, Mantua, Stow, Aurora, Brimfield, Randolph, Parkman, and Reminderville.

* WHAT. Heat index values up to 101. * WHERE. Portions of east central and southeast Indiana, northeast and northern Kentucky, and central, south central, southwest, and west central Ohio. * WHEN. Until 8 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values of 100 to 104 expected. * WHERE. Portions of east central Ohio, northwest, southwest, and western Pennsylvania, and northern and the northern panhandle of West Virginia. * WHEN. Until 8 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

* WHAT. Heat index values of 100 to 104 degrees are expected at times this week with variability each day due to clouds and scattered showers and storms, especially early in the week. * WHERE. Portions of north central, northeast, and northwest Ohio and northwest Pennsylvania. * WHEN. Until 8 PM EDT Friday. * IMPACTS. Hot temperatures and high humidity may cause heat illnesses.

An Air Quality Advisory for ground level ozone has been issued by the Northeast Ohio Areawide Coordinating Agency for Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit Counties. The advisory is from midnight tonight to midnight Monday night. Air quality levels will be unhealthy for sensitive groups during this period. If you are in the sensitive groups category of children, the elderly and those with breathing difficulties, please monitor your outdoor activity and check air quality readings at airnow.gov. Additionally, sign-up at enviroflash.info for text alerts regarding air quality. To help our region reduce air pollution: * Drive less: bike, walk, use transit, work from home, combine trips * Visit gohiocommute.com/noaca - Find a smarter way to travel! * Don't idle - Turn off your engine * Refill your tank after sunset * Wait to mow the lawn

An Air Quality Advisory for ground level ozone has been issued by the Northeast Ohio Areawide Coordinating Agency for Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Medina, Portage and Summit Counties. The advisory is from midnight tonight to midnight Monday night. Air quality levels will be unhealthy for sensitive groups during this period. If you are in the sensitive groups category of children, the elderly and those with breathing difficulties, please monitor your outdoor activity and check air quality readings at airnow.gov. Additionally, sign-up at enviroflash.info for text alerts regarding air quality. To help our region reduce air pollution: * Drive less: bike, walk, use transit, work from home, combine trips * Visit gohiocommute.com/noaca - Find a smarter way to travel! * Don't idle - Turn off your engine * Refill your tank after sunset * Wait to mow the lawn