Scattered to numerous showers and thunderstorms developing on the afternoon of May 21st in a moderate to strongly unstable environment with MLCAPE values in excess of 2000 J/kg but relatively weak shear. Atmospheric moisture was high with precipitable water values greater than 1.5 inches. Storms that developed were slow moving and trained over the same area around Columbia causing significant flooding in downtown including the Five Points area and at the intersection of Main and Whaley St.

Thunderstorm Wind in FAIRFIELD, SOUTH CAROLINA
From 21-MAY-22 13:40:00 to 21-MAY-22 13:40:00 (EST-5)
Location: MITFORD
Magnitude: 52.00 EG
Reported by: 911 Call Center

Fairfield County dispatch reported a tree down on Catawba Rd near Lake Wateree. Time estimated.

Hail in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:07:00 to 21-MAY-22 13:07:00 (EST-5)
Location: FOREST ACRES
Magnitude: 0.75 
Reported by: Public

MPING report of penny sized hail near Circle Dr.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:03:00 to 21-MAY-22 13:03:00 (EST-5)
Location: COLUMBIA
Magnitude: 52.00 EG
Reported by: Law Enforcement

Richland County ESD reported a tree blocking the roadway on Senate St at Barnwell St. Time estimated by radar.

Thunderstorm Wind in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:00:00 to 21-MAY-22 13:00:00 (EST-5)
Location: COLUMBIA OWENS ARPT
Magnitude: 52.00 EG
Reported by: Law Enforcement

Richland County ESD reported a tree in the roadway on Holt Dr at S Woodrow St. Time estimated by radar.

Heavy Rain in LEXINGTON, SOUTH CAROLINA
From 21-MAY-22 13:00:00 to 21-MAY-22 13:00:00 (EST-5)
Location: RIDGE RD XRDS
Reported by: Public

Social media report of 2.5 inches of rain in roughly 90 minutes between 12:30pm and 2pm at the 400 block of Ridge Rd in Leesville.

Thunderstorm Wind in NEWBERRY, SOUTH CAROLINA
From 21-MAY-22 12:45:00 to 21-MAY-22 12:45:00 (EST-5)
Location: GLYMPHVILLE
Magnitude: 52.00 EG
Reported by: 911 Call Center

Newberry County dispatch reported a tree down on Mt. Pleasant Rd at Ringer Dr north of Pomaria.

Hail in ORANGEBURG, SOUTH CAROLINA
From 21-MAY-22 11:26:00 to 21-MAY-22 11:26:00 (EST-5)
Location: ORANGEBURG
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

MPING report of pea sized hail.

Hail in LEXINGTON, SOUTH CAROLINA
From 21-MAY-22 11:36:00 to 21-MAY-22 11:36:00 (EST-5)
Location: RIDGE RD XRDS
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

Social media report of pea sized hail at the 400 block of Ridge Rd in Leesville. Time estimated by radar.

Hail in LEXINGTON, SOUTH CAROLINA
From 21-MAY-22 12:51:00 to 21-MAY-22 12:51:00 (EST-5)
Location: ARTHUR
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Social Media

Social media video shows pea sized hail accompanied by gusty winds near the intersection of Emanuel Church Rd and Old Barnwell Rd.

Hail in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 01:11:00 to 21-MAY-22 01:11:00 (EST-5)
Location: WOODFIELD
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

MPING report of pea sized hail in Forest Acres.

Hail in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:10:00 to 21-MAY-22 13:10:00 (EST-5)
Location: ARTHURTOWN
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

Social media photo shows hail the size of peas near Taylor Rd.

Heavy Rain in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:45:00 to 21-MAY-22 13:45:00 (EST-5)
Location: COLUMBIA
Reported by: Mesonet

RCWINDS rain gauge at MLK Park measured 2.95 inches of rain in just over one hour from 1:45pm to 2:45 pm. 2.17 inches of that rain fell in 30 minutes between 1:45pm and 2:15pm.

Hail in CLARENDON, SOUTH CAROLINA
From 21-MAY-22 16:35:00 to 21-MAY-22 16:35:00 (EST-5)
Location: MANNING CLARENDON AR
Magnitude: 0.88 
Reported by: Public

Nickel size hail reported at Randolph's Landing. Time estimated.

Flash Flood in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:32:00 to 21-MAY-22 13:40:00 (EST-5)
Location: COLUMBIA
Flood cause: Heavy Rain
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Fire Department/Rescue

Multiple reports of flash flooding throughout downtown Columbia. Considerable street flooding in Five Points with flood waters encroaching on businesses. Westbound lanes blocked near the 2000 block of Gervais St near the railroad overpass. A vehicle was flooded at Read St and Harden St.

Flash Flood in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 13:44:00 to 21-MAY-22 14:29:00 (EST-5)
Location: COLUMBIA
Flood cause: Heavy Rain
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Law Enforcement

Richland ESD reported roadway flooding on Olympia Ave at Heyward St. Social media reports showed photos of police blocking the road due to water covering the road on Pendleton St at Huger St.

Thunderstorm Wind in CALHOUN, SOUTH CAROLINA
From 21-MAY-22 14:00:00 to 21-MAY-22 14:00:00 (EST-5)
Location: HAMMOND XRDS
Magnitude: 52.00 EG
Reported by: Emergency Manager

Tree down on Old Swamp Rd near Sandy Run. Exact location unknown. Time estimated.

Thunderstorm Wind in CALHOUN, SOUTH CAROLINA
From 21-MAY-22 14:28:00 to 21-MAY-22 14:28:00 (EST-5)
Location: ST MATTHEWS
Magnitude: 52.00 EG
Reported by: Emergency Manager

Tree down on US hwy 601 and Preference Rd northeast of St. Matthews.

Hail in RICHLAND, SOUTH CAROLINA
From 21-MAY-22 12:55:00 to 21-MAY-22 12:55:00 (EST-5)
Location: HORREL HILL
Magnitude: 0.25 
Property damage: 0.01K
Crop damage: 0.01K
Reported by: Public

MPING report of pea sized hail in Hopkins.