/ Storm field report · Douglas

Hail in Parker · Aug 26, 2026

Hit 17 days ago

NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface reached 1.75" aloft. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.75" ≈ golf ball · radar-estimated size aloft
Homes in the hail footprint 8,564
Ground reports 1 1 hail
Radar surfaces 2 NEXRAD + estimated size

Convective day · Aug 26, 2026 · noon–noon UTC

Severity

The 2nd most severe storm Parker has seen in the last 12 months

Composite score · 4.8 / 10
Storm severity score

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

4.8 /10
Peak hail signal
44 /100

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

Homes exposed
79 /100

How many homes sit inside the storm's footprint.

Ground truth
17 /100

Independent storm reports filed with the NWS.

Evidence / storm surfaces

How Parker saw the hail — from two instruments

Aug 26, 2026 · Parker, CO

We map this storm two ways: the NEXRAD radar signatures the storm produced overhead, and the radar-estimated size of the hail in the air. The two surfaces don’t have to match — where they diverge is where estimated size aloft ran ahead of, or behind, what the signatures caught.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Parker, CO on Aug 26, 2026 Radar signature field

NEXRAD radar signatures — the point detections the storm produced overhead. A signature is where the radar saw hail, not a confirmed stone on the ground.

Max size 0" Detections 0
Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over Parker, CO on Aug 26, 2026 Estimated size field

Maximum hail size as estimated from radar aloft. Treat it as the storm's ceiling — the largest supportable stone — rather than a ground measurement.

Max size 1.75"

The storm in context

Where Aug 26, 2026 sits in Parker's hail record.

This was Parker's 8th recorded hail day, arriving 11 days after the Aug 15, 2026 storm. By severity it ranks 2nd of the 9 storms we have logged here. Radar put the day's largest stone over Parker at 1.75" — radar-estimated size aloft.

The Aug 26, 2026 convective day was bigger than Parker: the same system put hail over 440 other tracked cities, 39 of them in Colorado. Nearest: Castle Rock (9 miles southwest, up to 1"); Watkins (13 miles northeast, up to 1.75"); Elizabeth (16 miles east, up to 2").

These maps are stills. In the app this date is one of 9 Parker 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

1 report 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.

Hail reports

1 report
Hail size 1"
1 ESE Castle Pines Douglas County

“(BOU)”

— NOAA / SPC storm report

Storm forensics

How the storm moved

Timing and place names from NOAA ground reports

Read from the arrival times and locations of the NOAA ground reports, not a radar-measured storm track.

Reports came from Castle Pines — beyond Parker itself.

High damage potential

What 1.75" hail means for Parker roofs.

Hail around an inch and a half is capable of cracking shingles, stripping granules, and denting gutters, vents, and siding. Risk is usually greatest near the strongest radar signal, but property-level damage still requires an on-site inspection.

Radar reading · not confirmed damage

Roofing exposure

What this storm is worth to a roofer.

8,564 homes × $12,000 avg. claim

Potential roof exposure

$103M

Potential roof exposure — 8,564 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs
43 jobs
Illustrative work
~$645K

Close just 0.5% of the 8,564 homes in this footprint at the average $15,000 roof job. Illustrative math, not a projection — your results depend on your outreach and how the market responds.

Claim window

August 2028

Claims from this storm can typically be filed until around August 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 $1,798 on top of the $150 plan.

Parker hail history

Other storms in Parker.

9 recorded storm days in Parker, CO
← All hail in Parker
Radar-estimated hail-size map of the storm over Parker, CO on Sep 6, 2026 Estimated-size surface
Storm date Parker / CO

Sep 6, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Parker, CO on Aug 15, 2026 Estimated-size surface
Storm date Parker / CO

Aug 15, 2026

1.25"
Estimated 1.25"
1 ground report Open report →
Radar-estimated hail-size map of the storm over Parker, CO on Jul 29, 2026 Estimated-size surface
Storm date Parker / CO

Jul 29, 2026

1.25"
Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Parker, CO on Jul 28, 2026 Estimated-size surface
Storm date Parker / CO

Jul 28, 2026

2.25"
Signatures 2.25" Estimated 1"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Parker, CO on Jul 25, 2026 NEXRAD surface
Storm date Parker / CO

Jul 25, 2026

0.5"
Signatures 0.5"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Parker, CO on Jul 22, 2026 NEXRAD surface
Storm date Parker / CO

Jul 22, 2026

0.75"
Signatures 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Parker, CO on Jun 8, 2026 Estimated-size surface
Storm date Parker / CO

Jun 8, 2026

1.25"
Estimated 1.25"
2 ground reports Open report →
Radar-estimated hail-size map of the storm over Parker, CO on Jun 1, 2026 Estimated-size surface
Storm date Parker / CO

Jun 1, 2026

1.25"
Signatures 1.25" 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 Sep 7, 2026.