/ Storm field report · St. Lawrence

Hail in Madrid · Apr 1, 2026

The estimated-size surface reached 2" aloft; NEXRAD logged no point detections over Madrid that day. At 2" — tennis ball — this is a severe hail signal associated with roof damage. Open it on the live map to see the swath over the streets.

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Peak hail signal 2" ≈ tennis ball · radar-estimated size aloft
Homes in the hail footprint 518
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

Convective day · Apr 1, 2026 · noon–noon UTC

Severity

The 4th most severe storm Madrid has seen in the last 12 months

Composite score · 4.4 / 10
Storm severity score

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

4.4 /10
Peak hail signal
50 /100

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

Homes exposed
54 /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 Madrid saw the hail — from two instruments

Apr 1, 2026 · Madrid, NY

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-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Madrid, NY on Apr 1, 2026 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.

Max size 2"

Only the radar-estimated size surface resolved for Apr 1, 2026 — this storm produced no NEXRAD point detections over Madrid, so there is one map to show, not two.

The storm in context

Where Apr 1, 2026 sits in Madrid's hail record.

This was Madrid's 12th recorded hail day, arriving 1 day after the Mar 31, 2026 storm. By severity it ranks 4th of the 29 storms we have logged here. Radar put the day's largest stone over Madrid at 2" — radar-estimated size aloft.

The Apr 1, 2026 convective day was bigger than Madrid: the same system put hail over 329 other tracked cities, 4 of them in New York. Nearest: Chase Mills (5 miles east, up to 1.75"); Potsdam (8 miles southeast, up to 1.25"); Gouverneur (36 miles south, up to 0.75").

These maps are stills. In the app this date is one of 29 Madrid 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 Madrid. 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.

Severe hail signal

What 2" hail means for Madrid roofs.

Two-inch-plus hail is capable of puncturing shingles, breaking skylights or windows, and heavily denting soft materials. The strongest radar bands warrant prompt inspection, but neither the signal nor the footprint confirms damage at a specific address.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

518 homes × $12,000 avg. claim

Potential roof exposure

$6.2M

Potential roof exposure — 518 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
3 jobs
Illustrative work
~$45K

Close just 0.5% of the 518 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

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 $109 on top of the $150 plan.

Madrid hail history

29 recorded storm days in Madrid, NY
Radar-estimated hail-size map of the storm over Madrid, NY on Aug 22, 2026 Estimated-size surface
Storm date Madrid / NY

Aug 22, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Aug 7, 2026 Estimated-size surface
Storm date Madrid / NY

Aug 7, 2026

2.25"
Estimated 2.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Aug 6, 2026 Estimated-size surface
Storm date Madrid / NY

Aug 6, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Aug 2, 2026 Estimated-size surface
Storm date Madrid / NY

Aug 2, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jul 28, 2026 Estimated-size surface
Storm date Madrid / NY

Jul 28, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jul 27, 2026 Estimated-size surface
Storm date Madrid / NY

Jul 27, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jul 25, 2026 Estimated-size surface
Storm date Madrid / NY

Jul 25, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jul 18, 2026 Estimated-size surface
Storm date Madrid / NY

Jul 18, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jun 25, 2026 Estimated-size surface
Storm date Madrid / NY

Jun 25, 2026

2.5"
Estimated 2.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jun 23, 2026 Estimated-size surface
Storm date Madrid / NY

Jun 23, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jun 11, 2026 Estimated-size surface
Storm date Madrid / NY

Jun 11, 2026

1.5"
Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on May 16, 2026 Estimated-size surface
Storm date Madrid / NY

May 16, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on May 13, 2026 Estimated-size surface
Storm date Madrid / NY

May 13, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on May 8, 2026 Estimated-size surface
Storm date Madrid / NY

May 8, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on May 6, 2026 Estimated-size surface
Storm date Madrid / NY

May 6, 2026

2.25"
Estimated 2.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on May 1, 2026 Estimated-size surface
Storm date Madrid / NY

May 1, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Apr 29, 2026 Estimated-size surface
Storm date Madrid / NY

Apr 29, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Mar 31, 2026 Estimated-size surface
Storm date Madrid / NY

Mar 31, 2026

2"
Estimated 2"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Mar 30, 2026 Estimated-size surface
Storm date Madrid / NY

Mar 30, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Mar 26, 2026 Estimated-size surface
Storm date Madrid / NY

Mar 26, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Mar 16, 2026 Estimated-size surface
Storm date Madrid / NY

Mar 16, 2026

3"
Estimated 3"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Mar 3, 2026 Estimated-size surface
Storm date Madrid / NY

Mar 3, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Feb 22, 2026 Estimated-size surface
Storm date Madrid / NY

Feb 22, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jan 28, 2026 Estimated-size surface
Storm date Madrid / NY

Jan 28, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jan 21, 2026 Estimated-size surface
Storm date Madrid / NY

Jan 21, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jan 9, 2026 Estimated-size surface
Storm date Madrid / NY

Jan 9, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jan 6, 2026 Estimated-size surface
Storm date Madrid / NY

Jan 6, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Madrid, NY on Jan 1, 2026 Estimated-size surface
Storm date Madrid / NY

Jan 1, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →

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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 23, 2026.