Hail in Fort Defiance · Jul 28, 2026
NEXRAD logged 1 hail signature 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 28, 2026 · noon–noon UTC
Severity
The 3rd 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
- 0 /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
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.
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.
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.
The storm in context
Where Jul 28, 2026 sits in Fort Defiance's hail record.
This was Fort Defiance's 2nd recorded hail day, arriving 7 days after the Jul 21, 2026 storm. By severity it ranks 3rd 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 28, 2026 convective day was bigger than Fort Defiance: the same system put hail over 686 other tracked cities, 8 of them in Arizona. Nearest: Saint Michaels (14 miles south, up to 1.25"); Nazlini (20 miles northwest, up to 1.75"); 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.
Nobody on the ground filed a report over Fort Defiance 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.
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
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 21, 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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