As of 3:30 a.m. EDT Monday, this blog is no longer live. See reports below.
Severe storms brought damaging winds, hail, flooding downpours and possibly tornadoes across the Ohio Valley and mid-Atlantic Sunday and early Monday.
The National Weather Service in Morristown, Tennessee, reported a possible tornado, near Gray, Tennessee, around 6 p.m. EDT. The Claiborne County, Tennessee, sheriff had his house destroyed by a storm; he and his wife were not injured, The Associated Press reported.
Thousands of people lost power as a result of the storms in Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Tennessee and West Virginia. Flash flooding forced evacuations in several communities in Steuben County, New York, according to the county's 911 center.
3:15 a.m. EDT Monday: About 120 U.S. flights have been canceled with another 130 delayed early Monday, FlightStats said. Delays continue at La Guardia airport, the FAA said.
2:19 a.m. EDT Monday: Evacuations occurring due to flooding in Cohocton and Atlanta, New York, reports 911 call center.
2:05 a.m. EDT Monday: More than 18,000 PECO customers lost power from storms in the Philadelphia area, the utility reported.
1:32 a.m. EDT Monday: Stormy weather contributes to more than 6,000 U.S. flight delays on Sunday, FlightStats reported.
12:53 a.m. EDT Monday: Trees downed in Madison County, North Carolina, with power outages in the Spring Creek area, 911 call center reported.
12:02 a.m. EDT Monday: Trees downed with power outages in White County, Tennessee, emergency management reported.
11:50 p.m. EDT Sunday: More than 30,000 Eastern Pennsylvania power customers are without service, utilities report.
11:39 p.m. EDT Sunday: Lightning strikes house and trees were downed in Davidson County, Tennessee, emergency management reported.
11:30 p.m. EDT Sunday: A line of gusty storms is heading toward Philadelphia, AccuWeather Meteorologist Brian Lada said.
10:59 p.m. EDT Sunday: Severe thunderstorms rolling through Nashville, Tennessee.
10:57 p.m. EDT Sunday: Homes evacuated due to flash flooding in Polk, Pennsylvania, 911 call center reported.
10:47 p.m. EDT Sunday: Flash flooding occurring around Williamsburg and Wofford, Kentucky, 911 call center reported.
10:43 p.m. EDT Sunday: More than 30,000 First Energy customers are without power in Ohio, Pennsylvania and West Virginia following severe storms, the utility reported.
10:41 p.m. EDT Sunday: 2.6 inches of rain fell in one hour with flooding at Elverson, Pennsylvania, NWS spotter reported.
10:11 p.m. EDT Sunday: Lightning strike causes fire in State College, Pennsylvania, home. (Video by AccuWeather.com Meteorologist Jesse Ferrell)
10:08 p.m. EDT Sunday: Damage to Claiborne County, Tennesee, sheriff's home.
10:03 p.m. EDT Sunday:
9:59 p.m. EDT Sunday: More than 5,800 Duke Energy Progress customers, mostly in the Asheville, North Carolina, area are without electricity, the utility reported.
9:35 p.m. EDT Sunday: More than 32,200 customers without power in Tennessee, Knoxville Utilities Board reports.
8:56 p.m. EDT Sunday: Severe storms left damage behind in Gray, Tennessee.
(Photo/Twitter user Jordan Walker)
8:44 p.m. EDT Sunday:
8:30 p.m. EDT Sunday: Due to flooding, State Route 22 closed between Plattsburgh and Peru, New York, reports county official.
7:48 p.m. EDT Sunday: Authorities responding to a structural fire after lightning strike in State College, Pennsylvania, reports State College police scanner.
7:37 p.m. EDT Sunday:
Rotation that approached our office just a little while ago. Wall cloud that was right out in front of our office. pic.twitter.com/dDS4bxhtSi— NWSMorristown (@NWSMorristown) July 27, 2014
6:47 p.m. EDT Sunday: Quarter-sized hail in Jamestown, Tennessee, reports 911 call center and NWS spotter.
6:20 p.m. EDT Sunday:
Hen egg sized hail in Dryden, Va about 20 minutes ago. Photo courtesy Angela Baltimore-Lane. pic.twitter.com/vmBLlWA0GC— NWSMorristown (@NWSMorristown) July 27, 2014
5:18 p.m. EDT Sunday:
4:57 p.m. EDT Sunday: Louisville Gas and Electric and Kentucky Utilities report thatreport more than 7,100 customers were without power.
4:46 p.m. EDT Sunday:
4:37 p.m. EDT Sunday:
4:29 p.m. EDT Sunday: NWS spotter reports baseball-sized hail, in Hyden, Kentucky around 4:05 p.m.
4:07 p.m. EDT Sunday:
403pm: Storm that previously produced funnel cloud has weakened as it moves into northern Columbus metro. Expect heavy rain/lightning.— NWS Wilmington OH (@NWSILN) July 27, 2014
4:01 p.m. EDT Sunday: A thunderstorm brought strong winds in Peabody, Kentucky, and took down several trees, reports NWS spotter.
3:47 p.m. EDT Sunday:
3:37 p.m. EDT Sunday: Hail about 2 inches in diameter reported near Whitley City, Kentucky, reports NWS spotter. The same storm that produced the hail is capable of producing a tornado and winds up to 60 mph.
3:28 p.m. EDT Sunday: NWS spotter reported a funnel cloud around 3:05 p.m. EDT from the dangerous storm in Champaign County, Ohio, moving east towards Marysville.
3:26 p.m. EDT Sunday: Storm clouds near Lake Cumberland in Kentucky.
(Photo/Twitter user @logan_newton)
2:36 p.m. EDT Sunday: Thunderstorm capable of producing a tornado moving southeast in southern Kentucky towards Monticello and Pine Knot. The same storm brought Nickel sized hail to Jamestown, Kentucky.
2:22 p.m. EDT Sunday:
2:12 p.m. EDT Sunday: Walnut-sized hail in Hiatt, Kentucky, the emergency manager reports.
1:42 p.m. EDT Sunday: Thunderstorms capable of producing a tornado are moving through Alcona County and southern Oscoda County in northern Michigan.
1:25 p.m. EDT Sunday: Strong thunderstorms passing just north of Columbus, Ohio, are capable of producing wind gusts in excess of 60 mph. There were also reports of trees knocked over.
1:13 p.m. EDT Sunday:Thunderstorms approaching Scott and Bourbon counties in Kentucky.
12:35 p.m. EDT Sunday: A funnel cloud was reported in Fox, Kentucky, as the storm continues moving eastward towards the communities of Beattyville and Primrose.
12:25 p.m. EDT Sunday: Strong winds in Willshire, Ohio, brought down trees and power lines according to emergency managers. A semi trailer was also flipped over.
12:08 p.m. EDT Sunday: Hail ranging from quarter- to golf-ball-sized reported in the Lexington area.
11:50 a.m. EDT Sunday: More than 10,000 customers in the Lexington, Kentucky, area without power after thunderstorms moved through.
Multiple tornadoes touched down across Indiana and Ohio on Wednesday, one of which flattened a Starbucks in the town of Kokomo, Indiana.
A budding tropical disturbance has the potential to strengthen significantly and reach Florida and the Bahamas with strong winds, coastal flooding and torrential rainfall during Sunday and Monday.
Rounds of showers and thunderstorms will bring the potential for flash flooding and localized damaging wind gusts through Thursday.
Stargazers will want to dig out their binoculars and telescopes this weekend as Venus and Jupiter shine so close that they appear as one large, bright star in the evening sky.
Following a taste of autumn chill to start the week, is summer heat and humidity over for the northeastern United States?