Hail in Spirit Lake · Sep 3, 2026
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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Convective day · Sep 3, 2026 · noon–noon UTC
Severity
The 17th most severe storm Spirit Lake 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
- 13 /100
- Homes exposed
- 42 /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 Spirit Lake saw the hail — from two instruments
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 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.
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.
The storm in context
Where Sep 3, 2026 sits in Spirit Lake's hail record.
This was Spirit Lake's 17th recorded hail day, arriving 16 days after the Aug 18, 2026 storm. By severity it ranks 17th of the 18 storms we have logged here. Radar put the day's largest stone over Spirit Lake at 0.5" — radar-estimated size aloft.
The Sep 3, 2026 convective day was bigger than Spirit Lake: the same system put hail over 494 other tracked cities, 1 of them in Iowa. Nearest: Madelia (53 miles northeast, up to 0.75"); Garden City (57 miles northeast, up to 0.75"); Mc Intire (118 miles east, up to 0.5").
These maps are stills. In the app this date is one of 18 Spirit Lake 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.
Nobody on the ground filed a report over Spirit Lake 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 Spirit Lake 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
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$1.6M
Potential roof exposure — 130 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 1 job
- Illustrative work
- ~$15K
Close just 0.5% of the 130 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
September 2028
Claims from this storm can typically be filed until around September 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 $27 on top of the $150 plan.
Spirit Lake hail history
Other storms in Spirit Lake.
Estimated-size surface Sep 6, 2026
0.5"
Estimated-size surface Aug 18, 2026
0.5"
Estimated-size surface Aug 9, 2026
0.5"
Estimated-size surface Aug 8, 2026
1.5"
Estimated-size surface Aug 7, 2026
0.5"
Estimated-size surface Jul 4, 2026
1"
Estimated-size surface Jul 2, 2026
2"
Estimated-size surface Jul 1, 2026
1.75"
Estimated-size surface Jun 30, 2026
1.25"
Estimated-size surface Jun 29, 2026
1"
Estimated-size surface Jun 27, 2026
0.5"
Estimated-size surface Jun 9, 2026
0.5"
Estimated-size surface May 25, 2026
1.75"
Estimated-size surface May 18, 2026
1.75"
Estimated-size surface May 17, 2026
1.75"
Estimated-size surface May 15, 2026
1.25"
Estimated-size surface Apr 13, 2026
1.25"Take your next area into the field.
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