Hail in Eagle Grove · Aug 12, 2026
The estimated-size surface reached 0.5" aloft; NEXRAD logged no point detections over Eagle Grove that day. Open it on the live map to see the swath over the streets.
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Convective day · Aug 12, 2026 · noon–noon UTC
Severity
The 5th most severe storm Eagle Grove 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
- 61 /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 Eagle Grove 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.
Estimated size field Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.
Only the radar-estimated size surface resolved for Aug 12, 2026 — this storm produced no NEXRAD point detections over Eagle Grove, so there is one map to show, not two.
The storm in context
Where Aug 12, 2026 sits in Eagle Grove's hail record.
This was Eagle Grove's 7th recorded hail day, arriving 2 days after the Aug 10, 2026 storm. By severity it ranks 5th of the 7 storms we have logged here. Radar put the day's largest stone over Eagle Grove at 0.5" — radar-estimated size aloft.
The Aug 12, 2026 convective day was bigger than Eagle Grove: the same system put hail over 507 other tracked cities, 50 of them in Iowa. Nearest: Webster City (11 miles south, up to 0.5"); Dayton (21 miles south, up to 0.5"); Humboldt (21 miles west, up to 0.5").
These maps are stills. In the app this date is one of 7 Eagle Grove 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 Eagle Grove 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 0.5" hail means for Eagle Grove 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
$14M
Potential roof exposure — 1,128 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 6 jobs
- Illustrative work
- ~$90K
Close just 0.5% of the 1,128 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
August 2028
Claims from this storm can typically be filed until around August 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 $237 on top of the $150 plan.
Eagle Grove hail history
Other storms in Eagle Grove.
Estimated-size surface Aug 10, 2026
0.75"
Estimated-size surface Aug 9, 2026
0.5"
Estimated-size surface Jul 20, 2026
1.25"
Estimated-size surface Jul 2, 2026
1.25"
Estimated-size surface Jun 28, 2026
0.75"
Estimated-size surface May 15, 2026
1"Take your next area into the field.
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