Hail size 1"
6 ENE Watson Atchison County
“Hail is nearly quarter-sized. (EAX)”
— NOAA / SPC storm report
/ Storm field report · Atchison
Hail in Rock Port · Apr 23, 2026
NEXRAD logged 31 hail signatures up to 2.25"; the estimated-size surface reached 1" aloft. At 2.25" — 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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Peak hail signal 2.25" ≈ tennis ball · the largest NEXRAD radar signature
Homes in the hail footprint 656
Ground reports 1 1 hail
Radar surfaces 2 NEXRAD + estimated size
Convective day · Apr 23, 2026 · noon–noon UTC
Severity
The 2nd most severe storm Rock Port has seen in the last 12 months
Composite score · 5.0 / 10
Storm severity score
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
5.0 /10
- Peak hail signal
- 56 /100
- Homes exposed
- 56 /100
- Ground truth
- 17 /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 Rock Port saw the hail — from two instruments
Apr 23, 2026 · Rock Port, MO
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
2.25"
Detections
31
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
1"
The storm in context
Where Apr 23, 2026 sits in Rock Port's hail record.
This was Rock Port's 2nd recorded hail day, arriving 48 days after the Mar 6, 2026 storm. By severity it ranks 2nd of the 11 storms we have logged here. Radar put the day's largest stone over Rock Port at 2.25" — the largest NEXRAD radar signature.
The Apr 23, 2026 convective day was bigger than Rock Port: the same system put hail over 703 other tracked cities, 31 of them in Missouri. Nearest: Watson (5 miles west, up to 2.25"); Tarkio (6 miles southeast, up to 1.25"); Hamburg (7 miles north, up to 2").
These maps are stills. In the app this date is one of 11 Rock Port 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
1 report 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
1 reportStorm 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 Watson — beyond Rock Port itself.
Severe hail signal
What 2.25" hail means for Rock Port 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.
656 homes × $12,000 avg. claim
Potential roof exposure
$7.9M
Potential roof exposure — 656 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 3 jobs
- Illustrative work
- ~$45K
Close just 0.5% of the 656 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
April 2028
Claims from this storm can typically be filed until around April 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 $138 on top of the $150 plan.
Rock Port hail history
Other storms in Rock Port.
11 recorded storm days in Rock Port, MO
Estimated-size surface Storm date Rock Port / MO
Sep 6, 2026
0.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
Aug 14, 2026
1" Estimated 1"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
Aug 9, 2026
1.25" Estimated 1.25"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
Jul 8, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
Jul 3, 2026
1.75" Signatures 1.75" Estimated 0.75"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
Jun 6, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
Jun 5, 2026
1" Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Estimated-size surface Storm date Rock Port / MO
May 18, 2026
2.5" Signatures 2.5" Estimated 1.25"
1 ground report Open report →
Estimated-size surface Storm date Rock Port / MO
May 16, 2026
1" Signatures 1" Estimated 0.75"
No ground reports filed Open report →
NEXRAD surface Storm date Rock Port / MO
Mar 6, 2026
1" Signatures 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 7, 2026.