Hail in Mount Vernon · Aug 20, 2026
The estimated-size surface reached 1" aloft; NEXRAD logged no point detections over Mount Vernon that day. Open it on the live map to see the swath over the streets.
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Convective day · Aug 20, 2026 · noon–noon UTC
Severity
The 2nd most severe storm Mount Vernon 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
- 25 /100
- Homes exposed
- 35 /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 Mount Vernon 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.
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.
Only the radar-estimated size surface resolved for Aug 20, 2026 — this storm produced no NEXRAD point detections over Mount Vernon, so there is one map to show, not two.
The storm in context
Where Aug 20, 2026 sits in Mount Vernon's hail record.
This was Mount Vernon's 6th recorded hail day, arriving 2 days after the Aug 18, 2026 storm. By severity it ranks 2nd of the 6 storms we have logged here. Radar put the day's largest stone over Mount Vernon at 1" — radar-estimated size aloft.
The Aug 20, 2026 convective day was bigger than Mount Vernon: the same system put hail over 640 other tracked cities, 92 of them in Alabama. Nearest: Citronelle (12 miles west, up to 0.75"); Fruitdale (22 miles northwest, up to 0.5"); Bay Minette (29 miles southeast, up to 0.5").
These maps are stills. In the app this date is one of 6 Mount Vernon 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 Mount Vernon 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.
Damage-capable hail signal
What 1" hail means for Mount Vernon 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.
Potential roof exposure
$696K
Potential roof exposure — 58 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Claim window
August 2028
Claims from this storm can typically be filed until around August 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 $12 on top of the $150 plan.
Mount Vernon hail history
Other storms in Mount Vernon.
Estimated-size surface Aug 18, 2026
0.75"
Estimated-size surface Jul 30, 2026
1"
NEXRAD surface Jul 12, 2026
0.5"
NEXRAD surface Jul 6, 2026
0.5"
Estimated-size surface May 6, 2026
1"Take your next area into the field.
See the hail, review your recommendations, and canvass with Overview on iPhone.
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