Hail size 1"
1 SSE Indianapolis Int' Marion County
“(IND)”
— NOAA / SPC storm report
/ Storm field report · Marion
Hail in Indianapolis · Aug 11, 2026
Hit 34 days ago
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 1.25" aloft. Open it on the live map to see the swath over the streets.
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Peak hail signal 1.25" ≈ half-dollar · radar-estimated size aloft
Homes in the hail footprint 57,508
Ground reports 4 3 hail · 1 wind
Radar surfaces 2 NEXRAD + estimated size
Convective day · Aug 11, 2026 · noon–noon UTC
Severity
The most severe storm Indianapolis has seen in the last 12 months
Composite score · 5.3 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
5.3 /10
- Peak hail signal
- 31 /100
- Homes exposed
- 95 /100
- Ground truth
- 67 /100
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
How Indianapolis saw the hail — from two instruments
Aug 11, 2026 · Indianapolis, IN
Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.
NEXRAD radar signatures Surface resolved
Radar signature field NEXRAD's hail signatures for this storm: the spots the radar detected from above. A detection overhead is not the same thing as a confirmed stone below.
Max size
0"
Detections
0
Radar-estimated hail size Surface resolved
Estimated size field Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.
Max size
1.25"
The storm in context
Where Aug 11, 2026 sits in Indianapolis's hail record.
This was Indianapolis's 6th recorded hail day, arriving 15 days after the Jul 27, 2026 storm. By severity it ranks 1st of the 7 storms we have logged here. Radar put the day's largest stone over Indianapolis at 1.25" — radar-estimated size aloft.
The Aug 11, 2026 convective day was bigger than Indianapolis: the same system put hail over 1,041 other tracked cities, 170 of them in Indiana. Nearest: Brownsburg (16 miles west, up to 0.5"); New Palestine (17 miles southeast, up to 1"); Noblesville (17 miles northeast, up to 0.75").
These maps are stills. In the app this date is one of 7 Indianapolis 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
What people on the ground reported
4 reports filed with the NWS
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.
Hail reports
3 reports Hail size 1"
4 E Southport Marion County
“Report from mPING: Quarter (1.00 in.). (IND)”
— NOAA / SPC storm report
Hail size 1.25"
6 NNW Boggstown Marion County
“(IND)”
— NOAA / SPC storm report
Wind reports
1 report Wind gust 58 mph
Indianapolis Int'l Airp Marion County
“(IND)”
— NOAA / SPC storm report
Storm forensics
How the storm moved
Timing and place names from NOAA ground reports
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Hail was reported over 534 minutes, from to .
Reports came from Indianapolis Int', Southport, Boggstown, and Indianapolis Int'L Airp — beyond Indianapolis itself.
Damage-capable hail signal
What 1.25" hail means for Indianapolis roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
57,508 homes × $12,000 avg. claim
Potential roof exposure
$690M
Potential roof exposure — 57,508 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 288 jobs
- Illustrative work
- ~$4.3M
Close just 0.5% of the 57,508 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 $12,077 on top of the $150 plan.
Indianapolis hail history
Other storms in Indianapolis.
7 recorded storm days in Indianapolis, IN
Estimated-size surface Storm date Indianapolis / IN
Aug 15, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Indianapolis / IN
Jul 27, 2026
1" Estimated 1"
4 ground reports Open report →
Estimated-size surface Storm date Indianapolis / IN
Jul 4, 2026
1.25" Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
NEXRAD surface Storm date Indianapolis / IN
Jun 7, 2026
1.25" Signatures 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Indianapolis / IN
Apr 24, 2026
1.5" Signatures 1.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Indianapolis / IN
Mar 22, 2026
0.5" Estimated 0.5"
1 ground report Open report →
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A storm day here is a convective day — it runs from noon to noon
UTC, so late-night hail is grouped with the afternoon storm that
spawned it rather than split across two calendar dates. Ground
reports are public-domain observations from the NOAA Storm
Prediction Center. Radar tells you where to look. Only an inspection confirms damage at an address. Last updated Aug 16, 2026.