Hail in Arriba · Jul 10, 2026
NEXRAD logged 1 hail signature up to 0.5"; 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 10, 2026 · noon–noon UTC
Severity
The 15th most severe storm Arriba 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
- 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 Arriba 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 10, 2026 sits in Arriba's hail record.
This was Arriba's 9th recorded hail day, arriving 1 day after the Jul 9, 2026 storm. By severity it ranks 15th of the 15 storms we have logged here. Radar put the day's largest stone over Arriba at 0.5" — the largest NEXRAD radar signature.
The Jul 10, 2026 convective day was bigger than Arriba: the same system put hail over 682 other tracked cities, 34 of them in Colorado. Nearest: Limon (25 miles west, up to 1.25"); Hugo (26 miles southwest, up to 1.5"); Matheson (37 miles west, up to 1.25").
These maps are stills. In the app this date is one of 15 Arriba 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.
No ground reports were filed with the National Weather Service for this storm over Arriba. That is common: a report depends on someone being there to see it and take the time to call it in. The radar surfaces above are the record here — the storm was detected from above even though no one on the ground logged it.
Below the severe threshold
What 0.5" hail means for Arriba 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
Arriba hail history
Other storms in Arriba.
Sep 5, 2026
1.25"
Estimated-size surface Aug 21, 2026
1"
Estimated-size surface Aug 19, 2026
3.5"
Estimated-size surface Jul 28, 2026
0.75"
Estimated-size surface Jul 23, 2026
2"
Estimated-size surface Jul 22, 2026
2.5"
Estimated-size surface Jul 9, 2026
1"
Estimated-size surface Jul 3, 2026
4"
Estimated-size surface Jun 23, 2026
0.75"
Estimated-size surface Jun 21, 2026
0.75"
Estimated-size surface Jun 20, 2026
0.5"
Estimated-size surface Jun 8, 2026
4"
Estimated-size surface May 21, 2026
2.25"
Estimated-size surface May 17, 2026
2"The next storm won’t wait for you.
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