Hail in Clear Lake · Aug 7, 2026
The estimated-size surface reached 1" aloft; NEXRAD logged no point detections over Clear Lake that day. Open it on the live map to see the swath over the streets.
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Convective day · Aug 7, 2026 · noon–noon UTC
Severity
The 4th most severe storm Clear Lake 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
- 72 /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 Clear Lake 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.
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.
Only the radar-estimated size surface resolved for Aug 7, 2026 — this storm produced no NEXRAD point detections over Clear Lake, so there is one map to show, not two.
The storm in context
Where Aug 7, 2026 sits in Clear Lake's hail record.
This was Clear Lake's 9th recorded hail day, arriving 18 days after the Jul 20, 2026 storm. By severity it ranks 4th of the 9 storms we have logged here. Radar put the day's largest stone over Clear Lake at 1" — radar-estimated size aloft.
The Aug 7, 2026 convective day was bigger than Clear Lake: the same system put hail over 709 other tracked cities, 114 of them in Iowa. Nearest: Ventura (5 miles west, up to 0.75"); Hanlontown (7 miles north, up to 1.25"); Mason City (10 miles east, up to 1").
These maps are stills. In the app this date is one of 9 Clear Lake 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 Clear Lake. 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.
Damage-capable hail signal
What 1" hail means for Clear Lake 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
$45M
Potential roof exposure — 3,773 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 19 jobs
- Illustrative work
- ~$285K
Close just 0.5% of the 3,773 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 $792 on top of the $150 plan.
Clear Lake hail history
Other storms in Clear Lake.
Estimated-size surface Jul 20, 2026
0.5"
Estimated-size surface Jul 8, 2026
1"
Estimated-size surface Jul 4, 2026
1.5"
Estimated-size surface Jul 2, 2026
2.5"
Estimated-size surface Jul 1, 2026
Estimated-size surface Jun 28, 2026
1"
Estimated-size surface May 15, 2026
2.5"
Estimated-size surface Apr 13, 2026
0.75"Take your next area into the field.
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