NEXRAD logged 1 hail signature up to 0.5"; the estimated-size surface had no signal that day. Open it on the live map to see the swath over the streets.
A tornado was also reported to the National Weather Service during this storm. The ground reports below show where it was filed.
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Convective day · Mar 15, 2026 · noon–noon UTC
Severity
Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.
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
We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.
Radar signature field NEXRAD radar signatures — the point detections the storm produced overhead. A signature is where the radar saw hail, not a confirmed stone on the ground.
Only the NEXRAD radar-signature surface resolved for Mar 15, 2026 — the estimated-size swath had no hail signal to model for this storm, so there is one map to show, not two.
The storm in context
This was Evansville's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 6th of the 7 storms we have logged here. Radar put the day's largest stone over Evansville at 0.5" — the largest NEXRAD radar signature.
The Mar 15, 2026 convective day was bigger than Evansville: the same system put hail over 695 other tracked cities, 58 of them in Illinois. Nearest: Fults (18 miles northwest, up to 1"); Sainte Genevieve (21 miles southwest, up to 1"); Ballwin (47 miles northwest, up to 1").
These maps are stills. In the app this date is one of 7 Evansville 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
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.
“An EF-0 tornado with peak winds of 85mph touched down north of Ames... IL in Monroe County at 5:35pm on March 15. The tornado crossed into Randolph County northwest of (LSX)”
— NOAA / SPC storm report
Storm forensics
Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.
Reports came from Ames — beyond Evansville itself.
Below the severe threshold
Radar signals under three-quarters of an inch stay below the National Weather Service severe threshold and generally indicate lower roof risk. Older or already-worn materials can still show effects, but radar alone cannot determine whether a specific roof was damaged.
Radar reading · not confirmed damage
Roofing exposure
Potential roof exposure
$360K
Potential roof exposure — 30 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
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 $6 on top of the $150 plan.
Evansville hail history
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Estimated-size surface Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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