/ Storm field report · Freeborn

Hail in Alden · Jun 29, 2026

NEXRAD logged 0 hail signatures up to 2.5"; the estimated-size surface reached 1.25" aloft. At 2.5" — baseball — 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 2.5" ≈ baseball · the largest NEXRAD radar signature
Homes in the hail footprint 1,100
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Jun 29, 2026 · noon–noon UTC

Severity

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

Composite score · 5.3 / 10
Storm severity score

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

5.3 /10
Peak hail signal
63 /100

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

Homes exposed
61 /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 Alden saw the hail — from two instruments

Jun 29, 2026 · Alden, MN

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.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Alden, MN on Jun 29, 2026 Radar signature field

NEXRAD's hail signatures for this storm: the spots the radar detected from above. A detection overhead is not the same thing as a confirmed stone below.

Max size 2.5" Detections 0
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Alden, MN on Jun 29, 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 1.25"

The storm in context

Where Jun 29, 2026 sits in Alden's hail record.

This was Alden's 6th recorded hail day, arriving 20 days after the Jun 9, 2026 storm. By severity it ranks 2nd of the 14 storms we have logged here. Radar put the day's largest stone over Alden at 2.5" — the largest NEXRAD radar signature.

The Jun 29, 2026 convective day was bigger than Alden: the same system put hail over 702 other tracked cities, 240 of them in Minnesota. Nearest: Wells (8 miles northwest, up to 2.5"); Bricelyn (16 miles southwest, up to 1"); Frost (20 miles southwest, up to 1").

These maps are stills. In the app this date is one of 14 Alden 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.

The National Weather Service logged no spotter reports for this storm over Alden. 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.

Severe hail signal

What 2.5" hail means for Alden 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.

1,100 homes × $12,000 avg. claim

Potential roof exposure

$13M

Potential roof exposure — 1,100 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 1,100 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 $231 on top of the $150 plan.

Alden hail history

14 recorded storm days in Alden, MN
Radar-estimated hail-size map of the storm over Alden, MN on Sep 1, 2026 Estimated-size surface
Storm date Alden / MN

Sep 1, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Aug 20, 2026 Estimated-size surface
Storm date Alden / MN

Aug 20, 2026

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

Aug 7, 2026

1.75"
Estimated 1.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Aug 3, 2026 Estimated-size surface
Storm date Alden / MN

Aug 3, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Jul 8, 2026 Estimated-size surface
Storm date Alden / MN

Jul 8, 2026

1.5"
Signatures 1.5" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Jul 2, 2026 Estimated-size surface
Storm date Alden / MN

Jul 2, 2026

1.25"
Signatures 1.25" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Jul 1, 2026 Estimated-size surface
Storm date Alden / MN

Jul 1, 2026

1.5"
Signatures 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Jun 30, 2026 Estimated-size surface
Storm date Alden / MN

Jun 30, 2026

3"
Signatures 3" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Jun 9, 2026 Estimated-size surface
Storm date Alden / MN

Jun 9, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on May 26, 2026 Estimated-size surface
Storm date Alden / MN

May 26, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Apr 23, 2026 Estimated-size surface
Storm date Alden / MN

Apr 23, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Alden, MN on Apr 13, 2026 Estimated-size surface
Storm date Alden / MN

Apr 13, 2026

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

Apr 11, 2026

1"
Signatures 1" 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 Sep 2, 2026.