/ Storm field report · Las Animas

Hail in Trinidad · Jul 31, 2026

NEXRAD logged 1 hail signature up to 0.75"; 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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Peak hail signal 0.75" ≈ penny to nickel · the largest NEXRAD radar signature
Homes in the hail footprint 0
Ground reports 0 none filed
Radar surfaces 2 NEXRAD + estimated size

Convective day · Jul 31, 2026 · noon–noon UTC

Severity

The 10th most severe storm Trinidad has seen in the last 12 months

Composite score · 1.1 / 10
Storm severity score

Overview's storm severity score weighs hailstone size, homes in the footprint, and ground-truth reports.

1.1 /10
Peak hail signal
19 /100

Largest radar-indicated size — a signal of damage potential, not confirmation.

Homes exposed
0 /100

How many homes sit inside the storm's footprint.

Ground truth
0 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Trinidad saw the hail — from two instruments

Jul 31, 2026 · Trinidad, CO

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.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Trinidad, CO on Jul 31, 2026 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.

Max size 0.75" Detections 1
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Trinidad, CO on Jul 31, 2026 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.

Max size 0.5"

The storm in context

Where Jul 31, 2026 sits in Trinidad's hail record.

This was Trinidad's 9th recorded hail day, arriving 1 day after the Jul 30, 2026 storm. By severity it ranks 10th of the 14 storms we have logged here. Radar put the day's largest stone over Trinidad at 0.75" — the largest NEXRAD radar signature.

The Jul 31, 2026 convective day was bigger than Trinidad: the same system put hail over 238 other tracked cities, 25 of them in Colorado. Nearest: Raton (7 miles south, up to 1.25"); Weston (18 miles northwest, up to 1"); Des Moines (41 miles southeast, up to 1.75").

These maps are stills. In the app this date is one of 14 Trinidad 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

No reports filed with the NWS

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.

The National Weather Service logged no spotter reports for this storm over Trinidad. That absence is ordinary — filing a report takes a person on the spot who saw the hail and phoned it in. What stands as the record for this date is the radar above, which caught the storm regardless.

Near the severe threshold

What 0.75" hail means for Trinidad 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

Trinidad hail history

14 recorded storm days in Trinidad, CO
Radar-estimated hail-size map of the storm over Trinidad, CO on Aug 28, 2026 Estimated-size surface
Storm date Trinidad / CO

Aug 28, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Aug 27, 2026 Estimated-size surface
Storm date Trinidad / CO

Aug 27, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Aug 19, 2026 Estimated-size surface
Storm date Trinidad / CO

Aug 19, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Aug 15, 2026 Estimated-size surface
Storm date Trinidad / CO

Aug 15, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Aug 14, 2026 Estimated-size surface
Storm date Trinidad / CO

Aug 14, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Jul 30, 2026 Estimated-size surface
Storm date Trinidad / CO

Jul 30, 2026

0.75"
Signatures 0.75" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Jul 5, 2026 Estimated-size surface
Storm date Trinidad / CO

Jul 5, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Jul 4, 2026 Estimated-size surface
Storm date Trinidad / CO

Jul 4, 2026

No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Jun 24, 2026 Estimated-size surface
Storm date Trinidad / CO

Jun 24, 2026

2"
Estimated 2"
3 ground reports Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Jun 15, 2026 Estimated-size surface
Storm date Trinidad / CO

Jun 15, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on Jun 12, 2026 Estimated-size surface
Storm date Trinidad / CO

Jun 12, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on May 28, 2026 Estimated-size surface
Storm date Trinidad / CO

May 28, 2026

1.25"
Signatures 1.25" Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Trinidad, CO on May 20, 2026 Estimated-size surface
Storm date Trinidad / CO

May 20, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →

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A storm day here is a convective day — it runs from noon to noon UTC, so late-night hail is grouped with the afternoon storm that spawned it rather than split across two calendar dates. Ground reports are public-domain observations from the NOAA Storm Prediction Center. Radar tells you where to look. Only an inspection confirms damage at an address. Last updated Aug 29, 2026.