North Carolina, 2010Flash Flooding and Flood in North Carolina, July 12, 2010
July 12, 2010 · NWS GSP · 10 events in 6 counties and zones
A small MCS developed northwest of Charlotte. The cluster of thunderstorms intensified as it moved across the Charlotte metropolitan area, causing wind damage as well as some flash flooding on the southeast side of the city and into Union County, NC.
Every event with a place to put it. Tap one for its entry below.
- Tornadoes
- Tropical storms and surge
- Floods
- Wind
- Hail
- Winter weather
- Heat and drought
- Cold
- Fire, smoke and dust
- Marine and coastal
- Other
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- Deaths
- 0
- Injuries
- 1
- Property damage
- $80,000
- Crop damage
- $10,000
- Events
- 10
Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.
A small MCS developed northwest of Charlotte. The cluster of thunderstorms intensified as it moved across the Charlotte metropolitan area, causing wind damage as well as some flash flooding on the southeast side of the city and into Union County, NC.
What forecasters said that day
The local office's own words before the first event, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Greenville-Spartanburg, SC wrote its last area forecast discussion before the first event at Jul 12, 9:35 AM EST, 55 minutes earlier.
Area forecast discussion, Jul 12, 9:35 AM EST, 55 minutes before
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</html>Hazardous weather outlook, Jul 12, 4:22 AM EST, 6 hours 8 minutes before
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Local storm report, Jul 12, 7:54 AM EST, 2 hours 36 minutes before
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</html>Event by event
3 lightning, 3 thunderstorm wind, 2 flash flood, 1 hail, 1 flood. Local standard time, as filed.
Lightning, Alexander
- When
- July 12, 10:30 AM EST
- Where
- Alexander County, 1.79 mi SSW of All Healing Spgs
- Property damage
- $50,000
- Reported by
- Newspaper
- Coordinates
- 35.906, -81.282
Lightning struck a home on Willie McLeod Rd, igniting a fire that caused significant damage.
Hail, Cleveland
- When
- July 12, 10:54 AM EST
- Where
- Cleveland County, 2.15 mi NNE of Washburn
- Measured
- 0.75 in hail
- Reported by
- Trained Spotter
- Coordinates
- 35.360, -81.620
Lightning, Alexander
- When
- July 12, 11:00 AM EST
- Where
- Alexander County, 3.36 mi W of Smiths Store
- Property damage
- $15,000
- Reported by
- Newspaper
- Coordinates
- 35.948, -81.110
Lightning struck a barn on Rocky Springs Rd, igniting a fire that destroyed the structure and its contents.
Lightning, Iredell
- When
- July 12, 12:00 PM EST
- Where
- Iredell County, 1.83 mi SSW of Mazeppa
- Injuries
- 1 direct, 0 indirect
- Property damage
- $15,000
- Reported by
- Newspaper
- Coordinates
- 35.627, -80.796
Lightning struck at a church on Mazeppa Rd, injuring a man and damaging some equipment.
Thunderstorm Wind, Mecklenburg
- When
- July 12, 12:10 PM EST to 12:25 PM EST
- Where
- Mecklenburg County, 2.59 mi WSW of Caldwell to 0.74 mi SSE of Huntersville
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- County Official
- Coordinates
- 35.439, -80.894
Trees were blown down in and around Huntersville. A tree fell on an occupied vehicle on Sandowne Lane, about 3.5 miles northwest of Huntersville.
Thunderstorm Wind, Mecklenburg
- When
- July 12, 12:55 PM EST to 1:00 PM EST
- Where
- Mecklenburg County, 1.74 mi ESE of Stonehaven to 1.3 mi E of Mint Hill
- Measured
- 55 kt (63 mph) estimated gust
- Reported by
- County Official
- Coordinates
- 35.164, -80.740
The canopy of a gas station collapsed at the intersection of Independence Blvd and Margaret Wallace Rd and several trees were blown down in and around Mint Hill.
Thunderstorm Wind, Cabarrus
- When
- July 12, 1:00 PM EST
- Where
- Cabarrus County, 1.37 mi ESE of Roberta Mills
- Measured
- 50 kt (58 mph) estimated gust
- Reported by
- Emergency Manager
- Coordinates
- 35.360, -80.629
Trees were blown down on Stough Rd.
Flash Flood, Mecklenburg
- When
- July 12, 2:00 PM EST to 4:00 PM EST
- Where
- Mecklenburg County, 0.99 mi WSW of Oakhurst to 0.75 mi WSW of Stonehaven
- Cause
- Heavy Rain
- Crop damage
- $10,000
- Reported by
- Broadcast Media
- Coordinates
- 35.194, -80.796
Apartments were flooded on Teal Point Dr due to Edwards Branch overflowing its banks. Also, McMullen Creek overflowed and flooded Lincrest Place and Sam Newell Rd was flooded by Irvin Creek.
Flash Flood, Union
- When
- July 12, 3:00 PM EST to 4:30 PM EST
- Where
- Union County, 3.07 mi NW of Indian Trail Arpt to 3.45 mi NNE of Indian Trail Arpt
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 35.145, -80.625
Several stream gauges on Goose Creek went well above flood stage. Impacts included flooding of State Rd 1524 and a few other roads northeast of Indian Trail.
Flood, Union
- When
- July 12, 4:30 PM EST to 10:30 PM EST
- Where
- Union County, 1.05 mi WSW of Fairview to 1.26 mi SE of Brief
- Cause
- Heavy Rain
- Reported by
- River/Stream Gage
- Coordinates
- 35.146, -80.568
Flooding continued in the Goose Creek Basin through the evening, and progressed downstream to Fairview, where additional flooding developed near the highway 218 and 601 junction.
- Lightning
- A lightning strike that killed, injured or caused damage.
- Hail
- Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.
- Thunderstorm Wind
- Winds from a thunderstorm of 50 knots (58 mph) or more, or lower winds that caused damage or casualties. Measured gusts are marked MG, estimated EG.
- Flash Flood
- Flooding that begins within six hours of the rain that causes it, or of a dam or levee failure or ice jam release, often with deadly speed.
- Flood
- Flooding that develops more slowly than a flash flood: rivers leaving their banks, or water standing over land for an extended time.
After NWS Directive 10-1605, the rules offices file Storm Data by.
- Excessive Heat in Oklahoma, July 12 to 23, 20101 death · 28 injured · 25 events
- Rip Current in Florida, July 12, 20101 death · 2 injured · 1 event
- Hail in Kansas, July 12, 2010$11 million · 4.25 in hail · 12 events
- Tornadoes and Damaging Winds in South Carolina, July 12, 2010$268,000 · EF1 · 13 events
- Damaging Wind in New York, July 12, 2010$1.5 million · 60 kt wind · 1 event
- Damaging Winds and Lightning Strike in Tennessee, July 12, 20102 injured · $258,000 · 55 kt wind · 11 events
- Damaging Wind and Lightning Strikes in Georgia, July 12, 2010$730,000 · 50 kt wind · 4 events
- Tornado and Flash Flooding in Kansas, July 12, 2010$138,000 · EF1 · 8 events
- Flooding in Iowa, July 12 to 17, 2010$500,000 · 2 events
- Damaging Wind and Lightning Strike in Pennsylvania, July 12, 2010$500,000 · 50 kt wind · 2 events
- Dust Storm and Strong Wind in Washington, July 12, 20101 injured · $115,000 · 5 events
- Damaging Winds and Lightning Strike in Georgia, July 12, 20104 injured · $29,000 · 61 kt wind · 10 events
NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 252686, 249694, 252688, 252696, 249693, 250209, 250211, 250216, 250221, 250225.