Hail in Thompson · Jul 29, 2026
The estimated-size surface reached 0.5" aloft; NEXRAD logged no point detections over Thompson that day. Open it on the live map to see the swath over the streets.
7-day free trial in the iPhone app. No card required to start.
For iPhone. Android coming soon.
Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.
Convective day · Jul 29, 2026 · noon–noon UTC
Severity
Thompson's only recorded storm 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
- 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 Thompson saw the hail — from two instruments
Each storm gets two readings: the radar signatures NEXRAD recorded as the cells passed overhead, and a modeled estimate of hail size in the air. They are independent surfaces, so a mismatch between them is expected — and worth reading.
Radar-estimated hail size over the swath. The model reports the biggest stone the storm could sustain in the air; what actually fell may have been smaller.
Only the radar-estimated size surface resolved for Jul 29, 2026 — this storm produced no NEXRAD point detections over Thompson, so there is one map to show, not two.
The storm in context
Where Jul 29, 2026 sits in Thompson's hail record.
This was Thompson's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 1st of the 1 storms we have logged here. Radar put the day's largest stone over Thompson at 0.5" — radar-estimated size aloft.
The Jul 29, 2026 convective day was bigger than Thompson: the same system put hail over 359 other tracked cities, 6 of them in Utah. Nearest: Grand Junction (71 miles northeast, up to 0.5"); Collbran (110 miles east, up to 0.5"); Rifle (119 miles northeast, up to 0.75").
These maps are stills. In the app this date is one of 1 Thompson storm date 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 Thompson 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 Thompson 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
Thompson hail history
Thompson's hail record.
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.
7-day free trial in the iPhone app. No card required to start.
For iPhone. Android coming soon.
Web trial: 7 days free. Card required. $150/month after the trial unless cancelled.