Hail in Fredonia · Apr 17, 2026
NEXRAD logged 60 hail signatures up to 1.75"; the estimated-size surface reached 1" aloft. Open it on the live map to see the swath over the streets.
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Convective day · Apr 17, 2026 · noon–noon UTC
Severity
The 3rd most severe storm Fredonia has seen in the last 12 months
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
- Peak hail signal
- 44 /100
- Homes exposed
- 63 /100
- Ground truth
- 0 /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 Fredonia saw the hail — from two instruments
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.
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.
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.
The storm in context
Where Apr 17, 2026 sits in Fredonia's hail record.
This was Fredonia's 6th recorded hail day, arriving 14 days after the Apr 3, 2026 storm. By severity it ranks 3rd of the 16 storms we have logged here. Radar put the day's largest stone over Fredonia at 1.75" — the largest NEXRAD radar signature.
The Apr 17, 2026 convective day was bigger than Fredonia: the same system put hail over 1,016 other tracked cities, 144 of them in Kansas. Nearest: Neodesha (9 miles southeast, up to 4"); Benedict (9 miles northeast, up to 1.25"); Altoona (13 miles northeast, up to 1.75").
These maps are stills. In the app this date is one of 16 Fredonia 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
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.
For this storm over Fredonia, the NWS report log is empty — a common outcome, since ground reports only happen when someone witnesses the hail and takes the time to call it in. The detection record for the date lives in the radar maps above.
High damage potential
What 1.75" hail means for Fredonia 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.
Potential roof exposure
$18M
Potential roof exposure — 1,495 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 7 jobs
- Illustrative work
- ~$105K
Close just 0.5% of the 1,495 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 $314 on top of the $150 plan.
Fredonia hail history
Other storms in Fredonia.
Estimated-size surface Sep 12, 2026
0.5"
Estimated-size surface Jul 10, 2026
2.5"
Estimated-size surface Jun 25, 2026
1"
Estimated-size surface Jun 21, 2026
0.5"
Estimated-size surface Jun 13, 2026
0.5"
Estimated-size surface May 31, 2026
1.75"
Estimated-size surface May 30, 2026
1.75"
Estimated-size surface Apr 27, 2026
2.25"
Estimated-size surface Apr 26, 2026
4"
Estimated-size surface Apr 23, 2026
1.75"
Estimated-size surface Apr 3, 2026
1.25"
NEXRAD surface Apr 1, 2026
0.75"
Estimated-size surface Mar 31, 2026
1.75"
Estimated-size surface Mar 5, 2026
Estimated-size surface Mar 3, 2026
1"The next storm won’t wait for you.
Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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