Hail in Seneca · Mar 10, 2026
The estimated-size surface reached 1" aloft; NEXRAD logged no point detections over Seneca that day. Open it on the live map to see the swath over the streets.
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Convective day · Mar 10, 2026 · noon–noon UTC
Severity
The 2nd most severe storm Seneca 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
- 25 /100
- Homes exposed
- 56 /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 Seneca 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.
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.
Only the radar-estimated size surface resolved for Mar 10, 2026 — this storm produced no NEXRAD point detections over Seneca, so there is one map to show, not two.
The storm in context
Where Mar 10, 2026 sits in Seneca's hail record.
This was Seneca's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 2nd of the 7 storms we have logged here. Radar put the day's largest stone over Seneca at 1" — radar-estimated size aloft.
The Mar 10, 2026 convective day was bigger than Seneca: the same system put hail over 470 other tracked cities, 100 of them in Illinois. Nearest: Marseilles (5 miles west, up to 1"); Serena (10 miles northwest, up to 1.25"); Morris (12 miles southeast, up to 1").
These maps are stills. In the app this date is one of 7 Seneca 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 Seneca, 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.
Damage-capable hail signal
What 1" hail means for Seneca roofs.
Quarter-size and larger hail can bruise asphalt mats, remove granules, and dent exposed soft metal. The mapped footprint identifies an inspection priority area — it does not identify which individual roofs, if any, sustained damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
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
March 2028
Claims from this storm can typically be filed until around March 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.
Seneca hail history
Other storms in Seneca.
Estimated-size surface Aug 11, 2026
0.75"
Estimated-size surface Jul 3, 2026
1"
Estimated-size surface May 4, 2026
1"
NEXRAD surface Apr 2, 2026
Estimated-size surface Mar 31, 2026
1.25"
NEXRAD surface Mar 26, 2026
0.75"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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