Hail in Hawarden · Jun 27, 2026
Convective day · Jun 27, 2026 · noon–noon UTC
Severity
The 2nd most severe storm Hawarden 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
- 38 /100
- Homes exposed
- 59 /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 Hawarden 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 Jun 27, 2026 sits in Hawarden's hail record.
This was Hawarden's 3rd recorded hail day, arriving 40 days after the May 18, 2026 storm. By severity it ranks 2nd of the 9 storms we have logged here. Radar put the day's largest stone over Hawarden at 1.5" — radar-estimated size aloft.
The Jun 27, 2026 convective day was bigger than Hawarden: the same system put hail over 587 other tracked cities, 54 of them in Iowa. Nearest: Hudson (5 miles west, up to 1"); Rock Valley (9 miles northeast, up to 4"); Sioux Center (10 miles east, up to 2.5").
These maps are stills. In the app this date is one of 9 Hawarden 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.
No ground reports were filed with the National Weather Service for this storm over Hawarden. That is common: a report depends on someone being there to see it and take the time to call it in. The radar surfaces above are the record here — the storm was detected from above even though no one on the ground logged it.
High damage potential
What 1.5" hail means for Hawarden roofs.
Hail around an inch and a half is capable of cracking shingles, stripping granules, and denting gutters, vents, and siding. Risk is usually greatest near the strongest radar signal, but property-level damage still requires an on-site inspection.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$11M
Potential roof exposure — 942 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 5 jobs
- Illustrative work
- ~$75K
Close just 0.5% of the 942 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
June 2028
Claims from this storm can typically be filed until around June 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 $198 on top of the $150 plan.
Hawarden hail history
Other storms in Hawarden.
Estimated-size surface Sep 4, 2026
1"
Estimated-size surface Sep 1, 2026
1.25"
Estimated-size surface Jul 25, 2026
0.5"
Estimated-size surface Jul 2, 2026
1.5"
Estimated-size surface Jun 30, 2026
1.25"
Estimated-size surface Jun 29, 2026
1"
Estimated-size surface May 18, 2026
1.75"
NEXRAD surface May 14, 2026
0.5"The next storm won’t wait for you.
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