/ Storm field report · St. Louis

Hail in Floodwood · Aug 7, 2026

Hit 36 days ago

NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 0.5" aloft. Open it on the live map to see the swath over the streets.

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Peak hail signal 0.5" ≈ pea to penny · radar-estimated size aloft
Homes in the hail footprint 0
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Aug 7, 2026 · noon–noon UTC

Severity

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

Composite score · 0.8 / 10
Storm severity score

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

0.8 /10
Peak hail signal
13 /100

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

Homes exposed
0 /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 Floodwood saw the hail — from two instruments

Aug 7, 2026 · Floodwood, MN

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.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Floodwood, MN on Aug 7, 2026 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.

Max size 0" Detections 0
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Floodwood, MN on Aug 7, 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 0.5"

The storm in context

Where Aug 7, 2026 sits in Floodwood's hail record.

This was Floodwood's 10th recorded hail day, arriving 9 days after the Jul 29, 2026 storm. By severity it ranks 12th of the 13 storms we have logged here. Radar put the day's largest stone over Floodwood at 0.5" — radar-estimated size aloft.

The Aug 7, 2026 convective day was bigger than Floodwood: the same system put hail over 709 other tracked cities, 88 of them in Minnesota. Nearest: Jacobson (22 miles northwest, up to 0.5"); Aitkin (32 miles southwest, up to 0.5"); Crosby (51 miles west, up to 0.5").

These maps are stills. In the app this date is one of 13 Floodwood 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.

Nobody on the ground filed a report over Floodwood for this date, which says more about who was watching than about the storm: spotter reports only exist where there is an observer. The radar surfaces above carry the evidence for this one.

Below the severe threshold

What 0.5" hail means for Floodwood roofs.

Radar signals under three-quarters of an inch stay below the National Weather Service severe threshold and generally indicate lower roof risk. Older or already-worn materials can still show effects, but radar alone cannot determine whether a specific roof was damaged.

Radar reading · not confirmed damage

Floodwood hail history

13 recorded storm days in Floodwood, MN
Radar-estimated hail-size map of the storm over Floodwood, MN on Sep 3, 2026 Estimated-size surface
Storm date Floodwood / MN

Sep 3, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Aug 30, 2026 Estimated-size surface
Storm date Floodwood / MN

Aug 30, 2026

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

Aug 25, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Jul 29, 2026 Estimated-size surface
Storm date Floodwood / MN

Jul 29, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Jul 17, 2026 Estimated-size surface
Storm date Floodwood / MN

Jul 17, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Jul 3, 2026 Estimated-size surface
Storm date Floodwood / MN

Jul 3, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Jul 2, 2026 Estimated-size surface
Storm date Floodwood / MN

Jul 2, 2026

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

Jun 29, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Jun 10, 2026 Estimated-size surface
Storm date Floodwood / MN

Jun 10, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Jun 4, 2026 Estimated-size surface
Storm date Floodwood / MN

Jun 4, 2026

1"
Signatures 1" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on May 11, 2026 Estimated-size surface
Storm date Floodwood / MN

May 11, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Floodwood, MN on Apr 12, 2026 Estimated-size surface
Storm date Floodwood / MN

Apr 12, 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 4, 2026.