Hail in Colo · Apr 3, 2026
NEXRAD logged 2 hail signatures 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.
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Convective day · Apr 3, 2026 · noon–noon UTC
Severity
The 5th most severe storm Colo 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
- 13 /100
- Homes exposed
- 38 /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 Colo saw the hail — from two instruments
Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.
Radar signature field The point detections NEXRAD recorded overhead. Each signature marks where the radar saw hail aloft — it is a detection, not a stone measured on the ground.
Only the NEXRAD radar-signature surface resolved for Apr 3, 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
Where Apr 3, 2026 sits in Colo's hail record.
This was Colo's 2nd recorded hail day, arriving 28 days after the Mar 6, 2026 storm. By severity it ranks 5th of the 7 storms we have logged here. Radar put the day's largest stone over Colo at 0.5" — the largest NEXRAD radar signature.
The Apr 3, 2026 convective day was bigger than Colo: the same system put hail over 367 other tracked cities, 36 of them in Iowa. Nearest: Maxwell (15 miles south, up to 0.5"); Story City (23 miles northwest, up to 0"); Newton (29 miles southeast, up to 0").
These maps are stills. In the app this date is one of 7 Colo 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.
The National Weather Service logged no spotter reports for this storm over Colo. That absence is ordinary — filing a report takes a person on the spot who saw the hail and phoned it in. What stands as the record for this date is the radar above, which caught the storm regardless.
Below the severe threshold
What 0.5" hail means for Colo 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
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$984K
Potential roof exposure — 82 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
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 $17 on top of the $150 plan.
Estimated-size surface Jul 20, 2026
1"
Estimated-size surface Jul 3, 2026
0.5"
Estimated-size surface Jul 2, 2026
1.75"
Estimated-size surface Jun 11, 2026
0.5"
Estimated-size surface Apr 23, 2026
Estimated-size surface Mar 6, 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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