Two lines of showers and thunderstorms developed ahead of a cold front and associated area of low pressure and moved over the western Piedmont of North Carolina on the 1st: one during early/mid afternoon, and another during the evening. Several embedded thunderstorms produced brief damaging winds, while flash flooding developed across a portion of the Charlotte metro area.

Thunderstorm Wind in MECKLENBURG, NORTH CAROLINA
From 01-SEP-17 13:30:00 to 01-SEP-17 13:30:00 (EST-5)
Location: STONEHAVEN
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

FD reported multiple power lines blown down on the southeast side of Charlotte.

Thunderstorm Wind in ROWAN, NORTH CAROLINA
From 01-SEP-17 13:55:00 to 01-SEP-17 13:55:00 (EST-5)
Location: LANDIS
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Media reported multiple power lines blown down in downtown Landis.

Thunderstorm Wind in IREDELL, NORTH CAROLINA
From 01-SEP-17 16:24:00 to 01-SEP-17 16:33:00 (EST-5)
Location: LORAY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported several trees blown down on Little Farm Road and another tree down on the west side of Troutman.

Thunderstorm Wind in RUTHERFORD, NORTH CAROLINA
From 01-SEP-17 17:34:00 to 01-SEP-17 17:34:00 (EST-5)
Location: GILKEY
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Fire Department/Rescue

FD reported a few trees blown down north of Thermal City.

Thunderstorm Wind in CABARRUS, NORTH CAROLINA
From 01-SEP-17 19:37:00 to 01-SEP-17 19:37:00 (EST-5)
Location: CONCORD
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Local law enforcement reported several trees and some power lines blown down in Concord.

Hail in MECKLENBURG, NORTH CAROLINA
From 01-SEP-17 18:17:00 to 01-SEP-17 18:17:00 (EST-5)
Location: CALDWELL
Magnitude: 1.75 
Reported by: Public

Public reported golf ball size hail between Davidson-Concord Rd and East Rocky River Rd.

Flash Flood in MECKLENBURG, NORTH CAROLINA
From 01-SEP-17 18:30:00 to 01-SEP-17 20:30:00 (EST-5)
Location: SMITHVILLE
Flood cause: Heavy Rain
Property damage: 1.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Multiple sources reported flash flooding developed in the Cornelius and Huntersville areas after repeating, slow-moving thunderstorms produced up to 4 inches of rain in the area in just a couple of hours. Public reported (via Social Media) Caldwell Station Creek, or one of its tributaries flooded a portion of Bailey Rd. A family member of an NWS employee reported a tributary of McDowell Creek flooded Sedgebrook Ln within an apartment complex. Law enforcement also reported Highway 115 was closed just north of Mayes Rd due to flooding.

Heavy Rain in IREDELL, NORTH CAROLINA
From 01-SEP-17 16:30:00 to 01-SEP-17 17:30:00 (EST-5)
Location: STATESVILLE
Property damage: 1.00K
Crop damage: 0.00K
Reported by: 911 Call Center

County comms reported a small area of poor drainage flooding developed after around 3 inches of rain fell over the Statesville area in a short period of time. Standing water up to the hoods of vehicles was reported on Highway 70 near I-77.