Hail in Fort Defiance · Jul 21, 2026
NEXRAD logged 4 hail signatures up to 0.75"; the estimated-size surface reached 0" aloft. Open it on the live map to see the swath over the streets.
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Convective day · Jul 21, 2026 · noon–noon UTC
Severity
The most severe storm Fort Defiance 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
- 19 /100
- Homes exposed
- 21 /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 Fort Defiance 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 Jul 21, 2026 sits in Fort Defiance's hail record.
This was Fort Defiance's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 1st of the 4 storms we have logged here. Radar put the day's largest stone over Fort Defiance at 0.75" — the largest NEXRAD radar signature.
The Jul 21, 2026 convective day was bigger than Fort Defiance: the same system put hail over 703 other tracked cities, 22 of them in Arizona. Nearest: Tse Bonito (9 miles southeast, up to 0.75"); Tohatchi (20 miles east, up to 1.5"); Yatahey (22 miles southeast, up to 1.5").
These maps are stills. In the app this date is one of 4 Fort Defiance 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.
For this storm over Fort Defiance, the NWS report log is empty — a common outcome, since ground reports only happen when someone witnesses the hail and takes the time to call it in. The detection record for the date lives in the radar maps above.
Near the severe threshold
What 0.75" hail means for Fort Defiance roofs.
A signal this size sits near the National Weather Service severe threshold. Aging shingles and soft metals such as vents, flashing, and gutters may be more vulnerable; roof age, wind, and material condition all matter, and only an inspection can confirm damage.
Radar reading · not confirmed damage
Roofing exposure
What this storm is worth to a roofer.
Potential roof exposure
$120K
Potential roof exposure — 10 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.
Claim window
July 2028
Claims from this storm can typically be filed until around July 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 $2 on top of the $150 plan.
Fort Defiance hail history
Other storms in Fort Defiance.
Estimated-size surface Sep 14, 2026
0.5"
Estimated-size surface Aug 20, 2026
0.5"
Estimated-size surface Jul 28, 2026
0.75"The next storm won’t wait for you.
Set your territory and alerts today. When hail hits, use Overview to choose your streets and get moving.
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