/ Storm field report · Madison

Hail in Earlham · Jul 20, 2026

The estimated-size surface reached 1" aloft; NEXRAD logged no point detections over Earlham that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 1" ≈ quarter · radar-estimated size aloft
Homes in the hail footprint 2,723
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

Convective day · Jul 20, 2026 · noon–noon UTC

Severity

The 2nd most severe storm Earlham has seen in the last 12 months

Composite score · 3.2 / 10
Storm severity score

Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.

3.2 /10
Peak hail signal
25 /100

Largest radar-indicated size — a signal of damage potential, not confirmation.

Homes exposed
69 /100

How many homes sit inside the storm's footprint.

Ground truth
0 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Earlham saw the hail — from two instruments

Jul 20, 2026 · Earlham, IA

Two instruments, one storm: NEXRAD logs the point signatures it detected overhead, while the estimated-size surface models how large the hail aloft could have grown. Agreement between them is not guaranteed — the gaps are where the model ran ahead of, or behind, the detections.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Earlham, IA on Jul 20, 2026 Estimated size field

Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.

Max size 1"

Only the radar-estimated size surface resolved for Jul 20, 2026 — this storm produced no NEXRAD point detections over Earlham, so there is one map to show, not two.

The storm in context

Where Jul 20, 2026 sits in Earlham's hail record.

This was Earlham's 9th recorded hail day, arriving 17 days after the Jul 3, 2026 storm. By severity it ranks 2nd of the 10 storms we have logged here. Radar put the day's largest stone over Earlham at 1" — radar-estimated size aloft.

The Jul 20, 2026 convective day was bigger than Earlham: the same system put hail over 553 other tracked cities, 178 of them in Iowa. Nearest: Stuart (6 miles northwest, up to 1"); Dexter (7 miles south, up to 1.25"); Redfield (7 miles north, up to 0.75").

These maps are stills. In the app this date is one of 10 Earlham 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

No reports filed with the NWS

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 Earlham. 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.

Damage-capable hail signal

What 1" hail means for Earlham 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.

2,723 homes × $12,000 avg. claim

Potential roof exposure

$33M

Potential roof exposure — 2,723 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
14 jobs
Illustrative work
~$210K

Close just 0.5% of the 2,723 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

July 2028

Claims from this storm can typically be filed until around July 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 $572 on top of the $150 plan.

Earlham hail history

10 recorded storm days in Earlham, IA

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A storm day here is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Ground reports are public-domain observations from the NOAA Storm Prediction Center. Radar tells you where to look. Only an inspection confirms damage at an address. Last updated Aug 3, 2026.