Hail in Glenville · Apr 11, 2026
NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 0" aloft. Open it on the live map to see the swath over the streets.
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Convective day · Apr 11, 2026 · noon–noon UTC
Severity
The 14th most severe storm Glenville 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
- 0 /100
- Homes exposed
- 0 /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 Glenville saw the hail — from two instruments
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.
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.
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.
The storm in context
Where Apr 11, 2026 sits in Glenville's hail record.
This was Glenville's 2nd recorded hail day, arriving 8 days after the Apr 3, 2026 storm. By severity it ranks 14th of the 14 storms we have logged here. Radar put the day's largest stone over Glenville at 0" — radar-estimated size aloft.
The Apr 11, 2026 convective day was bigger than Glenville: the same system put hail over 134 other tracked cities, 19 of them in Minnesota. Nearest: Emmons (18 miles west, up to 2.5"); Mason City (21 miles south, up to 0"); Alden (24 miles northwest, up to 1").
These maps are stills. In the app this date is one of 14 Glenville 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.
Nobody on the ground filed a report over Glenville for this date, which says more about who was watching than about the storm: spotter reports only exist where there is an observer. The radar surfaces above carry the evidence for this one.
Below the severe threshold
What 0" hail means for Glenville roofs.
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
Glenville hail history
Other storms in Glenville.
Estimated-size surface Sep 1, 2026
1"
Estimated-size surface Aug 20, 2026
0.5"
Estimated-size surface Aug 7, 2026
0.75"
Estimated-size surface Jul 20, 2026
0.5"
Estimated-size surface Jul 8, 2026
1"
Estimated-size surface Jul 2, 2026
1.25"
Estimated-size surface Jul 1, 2026
1.25"
Estimated-size surface Jun 30, 2026
1"
Estimated-size surface May 26, 2026
1.75"
Estimated-size surface Apr 23, 2026
1"
Estimated-size surface Apr 17, 2026
0.75"
Estimated-size surface Apr 13, 2026
0.75"
NEXRAD surface Apr 3, 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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