Hail in Jacksonville · Aug 13, 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 · Aug 13, 2026 · noon–noon UTC
Severity
The 14th most severe storm Jacksonville 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
- 84 /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 Jacksonville saw the hail — from two instruments
We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.
Radar signature field NEXRAD radar signatures — the point detections the storm produced overhead. A signature is where the radar saw hail, not a confirmed stone on the ground.
Estimated size field Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.
The storm in context
Where Aug 13, 2026 sits in Jacksonville's hail record.
This was Jacksonville's 21st recorded hail day, arriving 1 day after the Aug 12, 2026 storm. By severity it ranks 14th of the 26 storms we have logged here. Radar put the day's largest stone over Jacksonville at 0.5" — radar-estimated size aloft.
The Aug 13, 2026 convective day was bigger than Jacksonville: the same system put hail over 437 other tracked cities, 16 of them in Florida. Nearest: Callahan (21 miles north, up to 0.75"); Sanderson (27 miles west, up to 0.5"); Hilliard (29 miles north, up to 0.5").
These maps are stills. In the app this date is one of 26 Jacksonville 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 Jacksonville 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 Jacksonville 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
$180M
Potential roof exposure — 14,962 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
- Illustrative jobs
- 75 jobs
- Illustrative work
- ~$1.1M
Close just 0.5% of the 14,962 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
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 $3,142 on top of the $150 plan.
Jacksonville hail history
Other storms in Jacksonville.
Estimated-size surface Aug 25, 2026
1.25"
Estimated-size surface Aug 20, 2026
0.75"
Estimated-size surface Aug 19, 2026
0.75"
Estimated-size surface Aug 18, 2026
1"
Estimated-size surface Aug 14, 2026
0.75"
Estimated-size surface Aug 12, 2026
0.75"
Estimated-size surface Aug 10, 2026
0.5"
Estimated-size surface Aug 5, 2026
0.5"
Estimated-size surface Aug 4, 2026
0.5"
Estimated-size surface Jul 30, 2026
1"
Estimated-size surface Jul 29, 2026
1.25"
Estimated-size surface Jul 28, 2026
0.5"
Estimated-size surface Jul 25, 2026
1.5"
Estimated-size surface Jul 20, 2026
0.5"
Estimated-size surface Jul 11, 2026
2.5"
Estimated-size surface Jul 9, 2026
1.75"
Estimated-size surface Jul 5, 2026
1.5"
Estimated-size surface Jun 27, 2026
2"
Estimated-size surface Jun 26, 2026
0.5"
Estimated-size surface Jun 25, 2026
0.75"
Estimated-size surface Jun 23, 2026
0.5"
Estimated-size surface Jun 22, 2026
0.5"
Estimated-size surface Jun 19, 2026
0.5"
Estimated-size surface Jun 13, 2026
0.75"
Estimated-size surface May 31, 2026
1.25"Take your next area into the field.
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