A slow moving frontal boundary was draped across upstate New York and southern New England on July 22 with multiple waves of low pressure tracking along it. The mid-Atlantic was left in a warm sector air mass south of this front. This led to a very hot and humid day on July 22 with air temperatures rising into the 90s and dew point values near 70. This caused strong instability to develop. Shear values were not overly impressive, but an approaching shortwave disturbance from the Midwest did help to increase shear late in the day. This disturbance also served as forcing for convection to develop in the warm and unstable air mass. Widespread thunderstorm development occurred, with storms eventually developing into a mostly solid squall line. This line of storms produced numerous reports of wind damage across eastern Pennsylvania, New Jersey, and Delmarva.

Thunderstorm Wind in TALBOT, MARYLAND
From 22-JUL-20 16:04:00 to 22-JUL-20 16:04:00 (EST-5)
Location: MC DANIEL
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Wires were downed enar Clairborne Rd in Talbot. Time estimated from radar.

Thunderstorm Wind in KENT, MARYLAND
From 22-JUL-20 16:30:00 to 22-JUL-20 16:30:00 (EST-5)
Location: EDESVILLE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

A large tree was reported down. Report via social media with a photo. Time estimated from radar.

Thunderstorm Wind in KENT, MARYLAND
From 22-JUL-20 16:32:00 to 22-JUL-20 16:32:00 (EST-5)
Location: FAIRLEE
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

A downed utility was reported on MD-21 between Caulks Field Rd and Bay Shore Rd. Time estimated from radar.

Thunderstorm Wind in KENT, MARYLAND
From 22-JUL-20 16:37:00 to 22-JUL-20 16:37:00 (EST-5)
Location: POMONA
Magnitude: 55.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

Several reports of downed trees and power lines in the area of Johnstown Rd and Quaker Neck Rd in Chestertown. Utility companies reported widespread power outages in the area. Time estimated from radar.

Thunderstorm Wind in CECIL, MARYLAND
From 22-JUL-20 16:39:00 to 22-JUL-20 16:39:00 (EST-5)
Location: ELKTON
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

MD-281 was closed in both directions near MD-7 due to a downed utility. Time estimated from radar.

Thunderstorm Wind in KENT, MARYLAND
From 22-JUL-20 16:43:00 to 22-JUL-20 16:43:00 (EST-5)
Location: CHESTERTOWN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

MD-289 was closed north of John Hanson Rd due to downed trees and wires. Time estimated from radar.

Thunderstorm Wind in CAROLINE, MARYLAND
From 22-JUL-20 16:57:00 to 22-JUL-20 16:57:00 (EST-5)
Location: DESSARD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Downed trees and wires were reported near Reliance Rd southeast of Federalsburg. Time estimated from radar.

Thunderstorm Wind in CAROLINE, MARYLAND
From 22-JUL-20 16:57:00 to 22-JUL-20 16:57:00 (EST-5)
Location: DESSARD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Utility Company

Wires were downed near Bridgeville Rd east of Federalsburg. Time estimated from radar.