Flash Flooding and Hail in Georgia, July 11, 1999

Name: Flash Flooding and Hail in Georgia, July 11, 1999
Start: 1999-07-11T14:00
End: 1999-07-11T18:00
Location: Georgia

July 11, 1999 · NWS FFC · 5 events in 5 counties and zones

2 flash flood, 1 lightning, 1 thunderstorm wind, 1 hail, as filed by the National Weather Service.

Where it happened

Every event with a place to put it; 3 filed by county or forecast zone are drawn at its center, in a lighter ring. 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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The toll

Deaths: 0
Injuries: 0
Property damage: $51,000
Crop damage: None recorded
Events: 5

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.

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

2 flash flood, 1 lightning, 1 thunderstorm wind, 1 hail. Local standard time, as filed.

Lightning, Forsyth

When: July 11, 2:00 PM EST
Where: Forsyth County, Cumming
Property damage: $25,000
Reported by: NEWSPAPER
Coordinates: 34.226, -84.125 (the zone’s center; the record gives no point)

Lightning started a fire that destroyed half of a 4200 square foot storage building.

Flash Flood, Fannin

When: July 11, 4:00 PM EST to 6:00 PM EST
Where: Fannin County, Blue Ridge
Reported by: EMERGENCY MANAGER
Coordinates: 34.864, -84.320 (the zone’s center; the record gives no point)

One to two inches of rain in a 2 hour period and a 24 hour total of around 4 inches caused the Toccoa river to go out of its banks.

Flash Flood, Madison

When: July 11, 4:00 PM EST to 6:00 PM EST
Where: Madison County, Colbert
Property damage: $25,000
Reported by: NEWSPAPER
Coordinates: 34.128, -83.209 (the zone’s center; the record gives no point)

A newspaper reported that heavy rain caused the roof at the Comer Medical Clinic to collapse. Basements of homes were flooded in the Colbert area. A culvert was washed out on the Shoal Creek Road. Around 4 inches of rain fell during the afternoon, causing the damage.

Thunderstorm Wind, Meriwether

When: July 11, 4:30 PM EST
Where: Meriwether County, Rocky Mt
Property damage: $1,000
Reported by: UTILITY COMPANY
Coordinates: 33.170, -84.680

Lamar EMC reported large tree limbs were blown down onto power lines, causing power outages.

Hail, Emanuel

When: July 11, 4:50 PM EST
Where: Emanuel County, Swainsboro
Measured: 0.75 in hail
Reported by: GENERAL PUBLIC
Coordinates: 32.600, -82.330

The public reported dime size hail.

What these are

Lightning: A lightning strike that killed, injured or caused damage.
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.
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.
Hail: Hail three-quarters of an inch or larger, or smaller hail that caused damage, filed with the largest stone measured.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

Every storm in Georgia in 1999 Every state in 1999 This day in weather history Warnings in Georgia, July 1999

Sources

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 2026-09-24. Each event’s entry at NCEI: 5707751, 5707748, 5707750, 5707749, 5707747.