Tropical Storm Isaias brought high winds, heavy rain, several tornadoes, and coastal flooding to the mid-Atlantic region, becoming the most impactful tropical cyclone to impact most of the region since Sandy in 2012.

Tornado in QUEEN ANNE'S, MARYLAND
From 04-AUG-20 07:18:00 to 04-AUG-20 07:19:00 (EST-5)
Location: CARMICHAEL
Tornado F-scale: EF0
Reported by: NWS Storm Survey

The tornado touched down along Stagwell Road in Queenstown.
Pictures and video showed a distinct but narrow path in a corn
field parallel to the road which is mostly east to west. The
downed corn was in a circular pattern, and aerial footage over the
corn field showed some downburst signatures on the right side of
the tornado path. In addition to the cornfield damage, sporadic
tree damage occurred along Stagwell Road across from the corn
field. The tornado looks to have lifted before it reached the Wye
River as there was no additional visible damage north of this
path. Radar showed defined rotation, however given the weak
intensity of the tornado it appeared to have occurred on the north
side of a larger rotational signature and therefore tracked more
east to west.

Tropical Storm in KENT, MARYLAND
From 04-AUG-20 08:00:00 to 04-AUG-20 15:00:00 (EST-5)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Little data were received from Kent County during Isaias, but surrounding observations from Cecil, Kent, and New Castle Counties suggest it is very likely tropical storm force winds occurred.

Tropical Storm in QUEEN ANNES, MARYLAND
From 04-AUG-20 07:30:00 to 04-AUG-20 15:00:00 (EST-5)
Reported by: Mesonet

A 43 mph sustained wind was measured at a personal weather station near Grasonville. A number of higher gusts were reported throughout the county along with reports of downed trees and power lines.

Tropical Storm in CAROLINE, MARYLAND
From 04-AUG-20 07:15:00 to 04-AUG-20 14:30:00 (EST-5)
Reported by: Mesonet

A couple reports of downed trees and road closures were received. Observations from surrounding counties suggest it is very likely sustained tropical storm force winds occurred.

Tropical Storm in TALBOT, MARYLAND
From 04-AUG-20 07:15:00 to 04-AUG-20 14:30:00 (EST-5)
Reported by: Mesonet

Multiple observations of 40 to 50 mph sustained winds with higher gusts were received. There were several reports of downed trees and power lines.

Flash Flood in TALBOT, MARYLAND
From 04-AUG-20 07:20:00 to 04-AUG-20 09:00:00 (EST-5)
Location: LONGWOODS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

MD Route 662 was closed to the north of the Easton Airport between Sharp Road and Pleasant Valley Drive due to flooding.

Flash Flood in TALBOT, MARYLAND
From 04-AUG-20 07:15:00 to 04-AUG-20 09:00:00 (EST-5)
Location: TRAPPE
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US Route 50 westbound was closed at Barber Road in Trappe due to flooding.

Flash Flood in QUEEN ANNE'S, MARYLAND
From 04-AUG-20 07:25:00 to 04-AUG-20 09:00:00 (EST-5)
Location: CHESTER CASTLE ARPT
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Sections of MD Route 18 in Chester were closed due to flooding.

Flash Flood in CECIL, MARYLAND
From 04-AUG-20 09:25:00 to 04-AUG-20 11:00:00 (EST-5)
Location: ELKTON
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Delaware Avenue in Elkton was closed near Howard Street due to flooding.

Flash Flood in CECIL, MARYLAND
From 04-AUG-20 09:30:00 to 04-AUG-20 11:00:00 (EST-5)
Location: CHESAPEAKE CITY
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

MD Route 213 was closed at Basil Avenue in Chesapeake City due to flooding.

Flash Flood in CECIL, MARYLAND
From 04-AUG-20 09:50:00 to 04-AUG-20 11:00:00 (EST-5)
Location: NORTH EAST
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Widespread roadway flooding occurred in North East.  MD Route 7 was closed at Wells Camp Road.  MD Route 272 was closed at East Roney Avenue.

Flash Flood in CECIL, MARYLAND
From 04-AUG-20 09:40:00 to 04-AUG-20 12:00:00 (EST-5)
Location: ELK MILLS
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: River/Stream Gage

Major flooding occurred along the Big Elk Creek in the Elk Mills area.

Tropical Storm in CECIL, MARYLAND
From 04-AUG-20 08:15:00 to 04-AUG-20 15:00:00 (EST-5)
Reported by: Mesonet

A 49 mph sustained wind was measured by a Weatherflow gauge near Chesapeake City. Numerous reports of downed trees and power lines, several leading to road closures, were reported.

Flash Flood in CECIL, MARYLAND
From 04-AUG-20 09:25:00 to 04-AUG-20 11:00:00 (EST-5)
Location: BACON HILL
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

US Route 40 was closed near Thiokol Road near Elkton due to flooding.