Wind gust 68 mph
1 SSE Aberdeen Regional Brown County
“KABR ASOS Station reported a peak wind gust of 68 miles per hour. (ABR)”
— NOAA / SPC storm report
/ Storm field report · Brown
Hail in Aberdeen · Jul 7, 2026
NEXRAD logged 8 hail signatures up to 1.75"; 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 1.75" ≈ golf ball · the largest NEXRAD radar signature
Homes in the hail footprint 35
Ground reports 6 6 wind
Radar surfaces 2 NEXRAD + estimated size
Convective day · Jul 7, 2026 · noon–noon UTC
Severity
The 3rd most severe storm Aberdeen has seen in the last 12 months
Composite score · 4.9 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
4.9 /10
- Peak hail signal
- 44 /100
- Homes exposed
- 31 /100
- Ground truth
- 100 /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 Aberdeen saw the hail — from two instruments
Jul 7, 2026 · Aberdeen, 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
1.75"
Detections
8
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 Jul 7, 2026 sits in Aberdeen's hail record.
This was Aberdeen's 4th recorded hail day, arriving 10 days after the Jun 27, 2026 storm. By severity it ranks 3rd of the 7 storms we have logged here. Radar put the day's largest stone over Aberdeen at 1.75" — the largest NEXRAD radar signature.
The Jul 7, 2026 convective day was bigger than Aberdeen: the same system put hail over 568 other tracked cities, 94 of them in South Dakota. Nearest: Mina (5 miles west, up to 1.75"); Ipswich (15 miles west, up to 3.25"); Northville (15 miles south, up to 0").
These maps are stills. In the app this date is one of 7 Aberdeen 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
6 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.
Wind reports
6 reports Wind gust 61 mph
5 N Aberdeen Regional A Brown County
“Personal weather station 6 miles northeast of Aberdeen recorded a gust of 61 miles per hour. (ABR)”
— NOAA / SPC storm report
Wind gust 60 mph
1 NE Mina Edmunds County
“Personal weather station 1 mile northeast of Mina recorded a wind gust of 60 miles per hour. (ABR)”
— NOAA / SPC storm report
Wind gust 71 mph
4 ESE Mina Brown County
“Mesonet station AWMS2 Aberdeen 10WSW (SD Mesonet). (ABR)”
— NOAA / SPC storm report
Wind gust 64 mph
2 SW Westport Brown County
“Personal weather station reported a wind gust of 64 miles per hour. (ABR)”
— NOAA / SPC storm report
Wind gust 61 mph
Westport Brown County
“Personal weather station recorded a wind gust of 61 miles per hour in Westport. (ABR)”
— 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.
The storm tracked southwest at roughly 5 mph, based on the timing of ground reports.
Hail was reported over 176 minutes, from to .
Reports came from Aberdeen Regional, Aberdeen Regional A, Mina, and Westport — beyond Aberdeen itself.
High damage potential
What 1.75" hail means for Aberdeen roofs.
Hail around an inch and a half is capable of cracking shingles, stripping granules, and denting gutters, vents, and siding. Risk is usually greatest near the strongest radar signal, but property-level damage still requires an on-site inspection.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
35 homes × $12,000 avg. claim
Potential roof exposure
$420K
Potential roof exposure — 35 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Claim window
July 2028
Claims from this storm can typically be filed until around July 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 $7 on top of the $150 plan.
Aberdeen hail history
Other storms in Aberdeen.
7 recorded storm days in Aberdeen, SD
Estimated-size surface Storm date Aberdeen / SD
Aug 24, 2026
1.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Aberdeen / SD
Jul 25, 2026
2.75" Signatures 2.75" Estimated 0.5"
2 ground reports Open report →
Estimated-size surface Storm date Aberdeen / SD
Jul 24, 2026
4" Signatures 4" Estimated 2.5"
3 ground reports Open report →
Estimated-size surface Storm date Aberdeen / SD
Jun 27, 2026
1" Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Aberdeen / SD
May 31, 2026
1" Signatures 1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Aberdeen / SD
Apr 22, 2026
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 Aug 25, 2026.