The estimated-size surface reached 2" aloft; NEXRAD logged no point detections over Fairburn that day. At 2" — tennis ball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.
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Convective day · Aug 11, 2026 · noon–noon UTC
Severity
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
Largest radar-indicated size — a signal of damage potential, not confirmation.
How many homes sit inside the storm's footprint.
Independent storm reports filed with the NWS.
Evidence / storm surfaces
Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.
Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.
Only the radar-estimated size surface resolved for Aug 11, 2026 — this storm produced no NEXRAD point detections over Fairburn, so there is one map to show, not two.
The storm in context
This was Fairburn's 5th recorded hail day, arriving 13 days after the Jul 29, 2026 storm. By severity it ranks 1st of the 5 storms we have logged here. Radar put the day's largest stone over Fairburn at 2" — radar-estimated size aloft.
The Aug 11, 2026 convective day was bigger than Fairburn: the same system put hail over 1,041 other tracked cities, 44 of them in South Dakota. Nearest: Buffalo Gap (11 miles south, up to 2.25"); Hermosa (17 miles north, up to 4"); Custer (31 miles west, up to 4").
These maps are stills. In the app this date is one of 5 Fairburn storm dates on a live map — both surfaces, the reports, and a replay — and the same map is where you draw the swath. This page rebuilds nightly.
Ground reports
These are storm reports filed with the National Weather Service and released through the NOAA Storm Prediction Center — public-domain observations from spotters, the public, and NWS surveys. We quote each one exactly as filed.
“Mostly quarter size hail with some stones as large as golf balls. Hail did not cover the ground. Winds estimated at 60 MPH. Power out. Time estimated based on radar. (UNR)”
— NOAA / SPC storm report
“Only a few stones reaching ping pong ball size. Report via social media. Time estimated based on radar. (UNR)”
— NOAA / SPC storm report
“Via Spotter Network. Time estimated based on radar. (UNR)”
— NOAA / SPC storm report
“Mostly quarter size hail with some stones as large as golf balls. Hail did not cover the ground. Winds estimated at 60 MPH. Power out. Time estimated based on radar. (UNR)”
— NOAA / SPC storm report
Storm forensics
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
The storm tracked southeast at roughly 25 mph, based on the timing of ground reports.
Hail was reported over 32 minutes, from to .
Reports came from Buffalo Gap — beyond Fairburn itself.
Severe hail signal
Two-inch-plus hail is capable of puncturing shingles, breaking skylights or windows, and heavily denting soft materials. The strongest radar bands warrant prompt inspection, but neither the signal nor the footprint confirms damage at a specific address.
Radar reading · not confirmed damage
Roofing exposure
Potential roof exposure
$7.4M
Potential roof exposure — 614 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Close just 0.5% of the 614 homes in this footprint at the average $15,000 roof job. Illustrative math, not a projection — your results depend on your outreach and how the market responds.
Claim window
August 2028
Claims from this storm can typically be filed until around August 2028 — the window to reach these homeowners while it's still open. Deadlines vary by policy and state.
Names and phones for every home in the footprint: at most $129 on top of the $150 plan.
Fairburn hail history
Estimated-size surface 
Estimated-size surface 
Estimated-size surface 
Estimated-size surface See the hail, review your recommendations, and canvass with Overview on iPhone.
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