Hail size 1.75"
8 WSW Union Center Meade County
“(UNR)”
— NOAA / SPC storm report
/ Storm field report · Meade
Hail in Union Center · Jul 2, 2026
NEXRAD logged 6 hail signatures up to 3.75"; the estimated-size surface reached 2" aloft. At 3.75" — baseball — 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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Peak hail signal 3.75" ≈ baseball · the largest NEXRAD radar signature
Homes in the hail footprint 9
Ground reports 3 3 hail
Radar surfaces 2 NEXRAD + estimated size
Convective day · Jul 2, 2026 · noon–noon UTC
Severity
The 2nd most severe storm Union Center has seen in the last 12 months
Composite score · 6.9 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
6.9 /10
- Peak hail signal
- 94 /100
- Homes exposed
- 20 /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 Union Center saw the hail — from two instruments
Jul 2, 2026 · Union Center, SD
The maps here read the same storm from two angles — point detections from NEXRAD, and modeled hail size aloft. Where the two disagree is informative: it marks where estimated size outran the signatures, or trailed them.
NEXRAD radar signatures Surface resolved
Radar signature field Where NEXRAD flagged hail as the storm passed — point signatures from the radar, which indicate hail overhead rather than confirm what landed.
Max size
3.75"
Detections
6
Radar-estimated hail size Surface resolved
Estimated size field The modeled maximum hail size across the swath, derived from radar aloft — the largest stone the storm could have supported, which is not necessarily what reached the ground.
Max size
2"
The storm in context
Where Jul 2, 2026 sits in Union Center's hail record.
This was Union Center's 5th recorded hail day, arriving 5 days after the Jun 27, 2026 storm. By severity it ranks 2nd of the 9 storms we have logged here. Radar put the day's largest stone over Union Center at 3.75" — the largest NEXRAD radar signature.
The Jul 2, 2026 convective day was bigger than Union Center: the same system put hail over 1,147 other tracked cities, 153 of them in South Dakota. Nearest: Enning (13 miles east, up to 2.5"); New Underwood (28 miles south, up to 2.5"); Mud Butte (28 miles north, up to 1.75").
These maps are stills. In the app this date is one of 9 Union Center 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
3 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 1.25"
9 WSW Union Center Meade County
“Along New Underwood Rd. Reported via Spotter Network. (UNR)”
— NOAA / SPC storm report
Hail size 1.5"
1 SE Union Center Meade County
“Mainly pea to dime. (UNR)”
— 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 28 minutes, from to .
Severe hail signal
What 3.75" hail means for Union Center 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.
9 homes × $12,000 avg. claim
Potential roof exposure
$108K
Potential roof exposure — 9 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 $2 on top of the $150 plan.
Union Center hail history
Other storms in Union Center.
9 recorded storm days in Union Center, SD
Estimated-size surface Storm date Union Center / SD
Aug 11, 2026
4" Estimated 4"
3 ground reports Open report →
Estimated-size surface Storm date Union Center / SD
Jul 30, 2026
1.75" Signatures 1.75" Estimated 0.75"
1 ground report Open report →
Estimated-size surface Storm date Union Center / SD
Jul 29, 2026
0.5" Estimated 0.5"
1 ground report Open report →
Estimated-size surface Storm date Union Center / SD
Jul 3, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Union Center / SD
Jun 27, 2026
1.5" Signatures 1.5" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Union Center / SD
Jun 26, 2026
1.75" Signatures 1.75" Estimated 1"
5 ground reports Open report →
Estimated-size surface Storm date Union Center / SD
Jun 7, 2026
1.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Union Center / SD
May 21, 2026
1" 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 Aug 12, 2026.