A strong upper level low moving east-northeast across Kentucky and Tennessee, triggered several instances of severe damaging winds and two  tornadoes across the Triad region in the northwest piedmont of North Carolina.

Thunderstorm Wind in ALAMANCE, NORTH CAROLINA
From 09-MAY-08 00:00:00 to 09-MAY-08 00:00:00 (EST-5)
Location: ALTAMAHAW
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Straight line winds blew a tree down onto Jimmy Bowles Road.

Flash Flood in FORSYTH, NORTH CAROLINA
From 08-MAY-08 23:53:00 to 09-MAY-08 00:53:00 (EST-5)
Location: SWAINTOWN
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Heavy rain caused flash flooding on Peters Creek Parkway.

Hail in RANDOLPH, NORTH CAROLINA
From 08-MAY-08 20:12:00 to 08-MAY-08 20:12:00 (EST-5)
Location: NORTH ASHEBORO
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

Penny size hail occurred at North Fayetteville Street and Balfour Road.

Thunderstorm Wind in GRANVILLE, NORTH CAROLINA
From 08-MAY-08 20:40:00 to 08-MAY-08 20:40:00 (EST-5)
Location: BEREA
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

A tree was blown down onto George Sherman Road, Ben Thorpe Road, and Days Mill Road.

Hail in GUILFORD, NORTH CAROLINA
From 08-MAY-08 22:30:00 to 08-MAY-08 22:30:00 (EST-5)
Location: BROWNS SUMMIT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Hail in RANDOLPH, NORTH CAROLINA
From 08-MAY-08 19:44:00 to 08-MAY-08 19:44:00 (EST-5)
Location: MARTHA
Magnitude: 0.88 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel size hail was reported at the intersection of Highway 49 and Old Highway 49.

Hail in RANDOLPH, NORTH CAROLINA
From 08-MAY-08 20:05:00 to 08-MAY-08 20:05:00 (EST-5)
Location: ASHEBORO MUNI ARPT
Magnitude: 0.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Thunderstorm Wind in GUILFORD, NORTH CAROLINA
From 08-MAY-08 22:33:00 to 08-MAY-08 22:33:00 (EST-5)
Location: (GSO)GREENSBORO RGNL
Magnitude: 54.00 MG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The Piedmont Triad International Airport ASOS recorded a measured wind gust of 62 mph. Planes and hangers were damaged at the airport. The severe straight line winds occurred on the eastern periphery of the tornadic circulation that passed just to the west of the airport.

Flash Flood in FORSYTH, NORTH CAROLINA
From 08-MAY-08 23:00:00 to 09-MAY-08 00:00:00 (EST-5)
Location: HANES
Flood cause: Heavy Rain
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Emergency Manager

Flash flooding caused the evacuation of apartments on Johnsborough Court in the western portion of Winston-Salem. In total, five water rescues were conducted.

Thunderstorm Wind in GUILFORD, NORTH CAROLINA
From 08-MAY-08 23:20:00 to 08-MAY-08 23:25:00 (EST-5)
Location: MONTICELLO
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Broadcast Media

Straight line winds blew down several trees in the Lake Jennette area.

Hail in GUILFORD, NORTH CAROLINA
From 08-MAY-08 23:35:00 to 08-MAY-08 23:40:00 (EST-5)
Location: BATTLE GROUND
Magnitude: 1.75 
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Trained Spotter

Nickel to golf ball size hail covered the ground up to two inches in depth at Pisgah Church Road and Willoughby Boulevard.

Tornado in FORSYTH, NORTH CAROLINA
From 08-MAY-08 21:25:00 to 08-MAY-08 21:34:00 (EST-5)
Location: CLEMMONS STATION
Tornado F-scale: EF3
Property damage: 2.50M
Crop damage: 0.00K
Reported by: NWS Storm Survey

This tornado originated from the same parent supercell that produced the tornado in Davie County which lifted in Forsyth County just across the Yadkin River. This second tornado touched down just southwest of Hampton Road. Three metal barns sustained major damage around the 4800 block of Hampton Road with minor damage to two homes. The tornado continued northeast through wooded farmland before hitting the Bridgepoint Subdivision where the tornado strengthened to EF-3 intensity. Three homes were destroyed and approximately thirty homes sustained moderate damage. There were only two minor injuries in the subdivision.
The tornado continued to track to the northeast across Frye Bridge Road and through a heavily wooded area. It then dissipated near the intersection of Cooper Road and Fraternity Church Road. A few homes suffered damage, primarily due to fallen trees. Hardwood tree damage in the area was consistent with EF-2 intensity as tree trunks were snapped in a 200 to 300 yard path. The overall path length of the tornado was around 3 miles with a maximum width of 300 yards.

Tornado in FORSYTH, NORTH CAROLINA
From 08-MAY-08 21:23:00 to 08-MAY-08 21:24:00 (EST-5)
Location: CLEMMONS STATION
Tornado F-scale: EF2
Property damage: 0.00K
Crop damage: 0.00K
Reported by: NWS Storm Survey

An EF-2 tornado tracked northeast out of Davie County and crossed the Yadkin River into Forsyth County. After crossing the Yadkin River, the tornado touched down near the Old Clemmons Water Treatment Plant along Idols Dam Road. The tornado tracked northeast through a heavily wooded area for just over one quarter of a mile and then lifted off the ground.  The parent supercell thunderstorm went on to produce another tornado approximately one mile northeast of the first tornado's ending point. This second tornado went on to produce significant damage to the Clemmons community in Forsyth County.

Tornado in GUILFORD, NORTH CAROLINA
From 08-MAY-08 22:29:00 to 08-MAY-08 22:37:00 (EST-5)
Location: DEEP RIVER
Tornado F-scale: EF2
Property damage: 4.00M
Crop damage: 0.00K
Reported by: NWS Storm Survey

The tornado, originally an EF-0, initially touched down just north of Squire Davis Park near the intersection of Sandy Ridge Road and Johnson Street. From there the tornado tracked northeast and intensified to EF-1 intensity as it approached the Farmers Market and Interstate 40. The tornado overturned several cars and tractor trailers as it crossed Interstate 40. A roof was blown off of an office building just north of the interstate as the tornado continued to intensify.
As the tornado moved further northeast into an industrial complex, it further strengthened to EF-2 with winds estimated around 130 mph based on damage to warehouses. Numerous warehouses along Little Santee Road, Capital Drive, and West Market Street sustained significant damage. Numerous vehicles and tractor trailers were also overturned in the industrial complex. At its widest point, the tornado was just over 200 yards wide. The tornado quickly lifted off of the ground after crossing West Market Street near the post office. The tornado was on the ground for about four miles.
One fatality occurred along West Market Street next to the Lamination Service Building located at 8717 West Market Street. The fatality occurred as a 51 year old man slept in the rig of his tractor trailer. Three other injuries were reported, two of which occurred in automobiles and another in the I.H. Caffey Warehouse Distribution Center.

Thunderstorm Wind in PERSON, NORTH CAROLINA
From 08-MAY-08 20:35:00 to 08-MAY-08 20:35:00 (EST-5)
Location: MT TIRZAH
Magnitude: 50.00 EG
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Law Enforcement

One tree was blown down onto Kermit Duncan Road.