/ Storm field report · Marshall

Hail in Melbourne · Mar 6, 2026

NEXRAD logged 0 hail signatures up to 0"; the estimated-size surface had no signal that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 0" ≈ pea to penny · radar-estimated size aloft
Homes in the hail footprint 0
Ground reports 0 none filed
Radar surfaces 1 NEXRAD only

Convective day · Mar 6, 2026 · noon–noon UTC

Severity

The 7th most severe storm Melbourne has seen in the last 12 months

Composite score · 0.0 / 10
Storm severity score

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

0.0 /10
Peak hail signal
0 /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 Melbourne saw the hail — from two instruments

Mar 6, 2026 · Melbourne, IA

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.

NEXRAD radar signatures Surface resolved
NEXRAD radar-signature map of the hail storm over Melbourne, IA on Mar 6, 2026 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.

Max size 0" Detections 0

Only the NEXRAD radar-signature surface resolved for Mar 6, 2026 — the estimated-size swath had no hail signal to model for this storm, so there is one map to show, not two.

The storm in context

Where Mar 6, 2026 sits in Melbourne's hail record.

This was Melbourne's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 7th of the 7 storms we have logged here. Radar put the day's largest stone over Melbourne at 0" — radar-estimated size aloft.

The Mar 6, 2026 convective day was bigger than Melbourne: the same system put hail over 486 other tracked cities, 43 of them in Iowa. Nearest: Colo (15 miles northwest, up to 1"); Saint Anthony (15 miles north, up to 1"); Union (21 miles north, up to 1").

These maps are stills. In the app this date is one of 7 Melbourne 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 Melbourne. 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.

Below the severe threshold

What 0" hail means for Melbourne 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

Melbourne hail history

7 recorded storm days in Melbourne, IA

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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 3, 2026.