Tornado Rating unknown
5 NE Centerville Lincoln County
“Tornado observed from chaser live feed. (FSD)”
— NOAA / SPC storm report
/ Storm field report · Clay
Hail in Centerville · May 31, 2026
NEXRAD logged 0 hail signatures up to 2.5"; the estimated-size surface reached 1.75" aloft. At 2.5" — baseball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.
A tornado was also reported to the National Weather Service during this storm. The ground reports below show where it was filed.
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Peak hail signal 2.5" ≈ baseball · the largest NEXRAD radar signature
Homes in the hail footprint 2,320
Ground reports 2 1 hail · 1 tornado
Radar surfaces 2 NEXRAD + estimated size
Convective day · May 31, 2026 · noon–noon UTC
Severity
The most severe storm Centerville has seen in the last 12 months
Composite score · 6.2 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
6.2 /10
- Peak hail signal
- 63 /100
- Homes exposed
- 67 /100
- Ground truth
- 50 /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 Centerville saw the hail — from two instruments
May 31, 2026 · Centerville, SD
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
2.5"
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
1.75"
The storm in context
Where May 31, 2026 sits in Centerville's hail record.
This was Centerville's 3rd recorded hail day, arriving 7 days after the May 24, 2026 storm. By severity it ranks 1st of the 11 storms we have logged here. Radar put the day's largest stone over Centerville at 2.5" — the largest NEXRAD radar signature.
The May 31, 2026 convective day was bigger than Centerville: the same system put hail over 637 other tracked cities, 61 of them in South Dakota. Nearest: Beresford (6 miles southeast, up to 2.5"); Davis (7 miles north, up to 2.5"); Wakonda (10 miles southwest, up to 1.75").
These maps are stills. In the app this date is one of 11 Centerville 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
2 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.
Tornado reports
1 reportHail reports
1 report Hail size 1"
Davis Turner County
“(FSD)”
— 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.
Reports came from Davis — beyond Centerville itself.
Severe hail signal
What 2.5" hail means for Centerville roofs.
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
What this storm is worth to a roofer.
2,320 homes × $12,000 avg. claim
Potential roof exposure
$28M
Potential roof exposure — 2,320 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 12 jobs
- Illustrative work
- ~$180K
Close just 0.5% of the 2,320 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
May 2028
Claims from this storm can typically be filed until around May 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 $487 on top of the $150 plan.
Centerville hail history
Other storms in Centerville.
11 recorded storm days in Centerville, SD
Estimated-size surface Storm date Centerville / SD
Sep 11, 2026
1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Sep 1, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Aug 20, 2026
1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Aug 10, 2026
1.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Aug 3, 2026
0.5" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Jul 25, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Jul 2, 2026
1.25" Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
Jun 27, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
May 24, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Centerville / SD
May 17, 2026
2" Signatures 2" Estimated 1"
No ground reports filed 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 Sep 12, 2026.