/ Storm field report · Allegheny

Hail in Pittsburgh · Sep 3, 2026

Hit 9 days ago

The estimated-size surface reached 1.5" aloft; NEXRAD logged no point detections over Pittsburgh that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 1.5" ≈ ping-pong ball · radar-estimated size aloft

Homes in the hail footprint 163,924

Ground reports 2 1 hail · 1 wind

Radar surfaces 1 Estimated size only

Convective day · Sep 3, 2026 · noon–noon UTC

Severity

Pittsburgh's only recorded storm in the last 12 months

Composite score · 5.3 / 10

Storm severity score

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

5.3 /10

Peak hail signal: 38 /100
Homes exposed: 100 /100
Ground truth: 33 /100

Evidence / storm surfaces

How Pittsburgh saw the hail — from two instruments

Sep 3, 2026 · Pittsburgh, PA

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.

Radar-estimated hail-size map of the storm over Pittsburgh, PA on Sep 3, 2026 — 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 1.5"

Only the radar-estimated size surface resolved for Sep 3, 2026 — this storm produced no NEXRAD point detections over Pittsburgh, so there is one map to show, not two.

The storm in context

Where Sep 3, 2026 sits in Pittsburgh's hail record.

This was Pittsburgh'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 Pittsburgh at 1.5" — radar-estimated size aloft.

The Sep 3, 2026 convective day was bigger than Pittsburgh: the same system put hail over 494 other tracked cities, 54 of them in Pennsylvania. Nearest: Homestead (4 miles southeast, up to 1.5"); Carnegie (9 miles southwest, up to 1.5"); Monroeville (9 miles southeast, up to 1").

These maps are stills. In the app this date is one of 1 Pittsburgh 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

2 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.

Hail reports

1 report

Hail size 1.5"

1 SW Braddock Allegheny County

10:30 PM UTC

“(PBZ)”
— NOAA / SPC storm report

Wind reports

1 report

Wind gust 75 mph

1 SW Braddock Allegheny County

10:30 PM UTC

“Report of large snapped trees and weather station estimate of 75 mph winds. (PBZ)”
— 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 Braddock — beyond Pittsburgh itself.

High damage potential

What 1.5" hail means for Pittsburgh 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.

163,924 homes × $12,000 avg. claim

Potential roof exposure

$2B

Potential roof exposure — 163,924 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Illustrative jobs: 820 jobs
Illustrative work: ~$12M

Close just 0.5% of the 163,924 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

September 2028

Claims from this storm can typically be filed until around September 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 $34,424 on top of the $150 plan.

Pittsburgh hail history

1 recorded storm day in Pittsburgh, PA

← All hail in Pittsburgh

Take your next area into the field.

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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 4, 2026.