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.

* 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

SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for. Northern Jefferson County in east central Ohio. Southeastern Columbiana County in east central Ohio. Southeastern Carroll County in east central Ohio. Southwestern Beaver County in western Pennsylvania. Northwestern Washington County in southwestern Pennsylvania. Brooke County in northern West Virginia. Hancock County in northern West Virginia. * Until 445 PM EDT. * At 359 PM EDT, a severe thunderstorm was located 10 miles east of Carrollton, moving east at 30 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Minor hail damage to vehicles is possible. Expect wind damage to trees and power lines, resulting in some power outages. * Locations impacted include. Weirton, Steubenville, East Liverpool, Wellsville, Toronto, Wintersville, Follansbee, Midland, Chester, Industry, New Cumberland, Shippingport, Salineville, Newell, Bergholz, Amsterdam, Richmond, Irondale, New Manchester, and Empire.

At 422 PM EDT, a severe thunderstorm was located near New Cumberland, or near Wellsville, moving east at 30 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to trees and power lines, resulting in some power outages. Locations impacted include. Weirton, Steubenville, East Liverpool, Wellsville, Toronto, Wintersville, Follansbee, Midland, Chester, Industry, New Cumberland, Shippingport, Salineville, Newell, Bergholz, Amsterdam, Richmond, Irondale, New Manchester, and Empire.

SVRPBZ The National Weather Service in Pittsburgh has issued a * Severe Thunderstorm Warning for. Southeastern Columbiana County in east central Ohio. Beaver County in western Pennsylvania. Southeastern Lawrence County in western Pennsylvania. Southern Butler County in west central Pennsylvania. Northwestern Allegheny County in southwestern Pennsylvania. Hancock County in northern West Virginia. * Until 500 PM EDT. * At 414 PM EDT, severe thunderstorms were located along a line extending from near Slippery Rock to near Beaver Falls to Wellsville, moving east at 25 mph. HAZARD. 60 mph wind gusts and penny size hail. SOURCE. Radar indicated. IMPACT. Expect damage to trees and power lines, resulting in some power outages. * Locations impacted include. Cranberry, Butler, East Liverpool, Aliquippa, Beaver Falls, Monaca, Wellsville, Economy, Ellwood City, Ambridge, Homeacre-Lyndora, New Brighton, Shanor-Northvue, Beaver, Calcutta, Baden, Meridian, Zelienople, Rochester, and Ohioville. This includes the following highways. Pennsylvania Turnpike between mile markers 10 and 28. Interstate 79 in Pennsylvania between mile markers 79 and 104. Interstate 376 in Pennsylvania between mile markers 25 and 47.

At 437 PM EDT, severe thunderstorms were located along a line extending from near Shanor-Northvue to near New Brighton to near Midland, moving east at 25 mph. HAZARD. 60 mph wind gusts and quarter size hail. SOURCE. Radar indicated. IMPACT. Minor hail damage to vehicles is possible. Expect wind damage to trees and power lines, resulting in some power outages. Locations impacted include. Cranberry, Butler, East Liverpool, Aliquippa, Beaver Falls, Monaca, Wellsville, Economy, Ellwood City, Ambridge, Homeacre-Lyndora, New Brighton, Shanor-Northvue, Beaver, Calcutta, Baden, Meridian, Zelienople, Rochester, and Ohioville.

At 435 PM EDT, a severe thunderstorm was located over New Cumberland, or near Wellsville, moving east at 20 mph. HAZARD. 60 mph wind gusts. SOURCE. Radar indicated. IMPACT. Expect damage to trees and power lines, resulting in some power outages. Locations impacted include. Weirton, Steubenville, East Liverpool, Wellsville, Toronto, Midland, Chester, Industry, New Cumberland, Shippingport, Newell, Richmond, Irondale, New Manchester, Empire, Stratton, Georgetown, Hookstown, Hammondsville, and Tomlinson Run State Park.