/ Storm field report · Emmet

Hail in Dolliver · May 14, 2026

NEXRAD logged 2 hail signatures up to 0.75"; 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 0.75" ≈ penny to nickel · the largest NEXRAD radar signature
Homes in the hail footprint 60
Ground reports 0 none filed
Radar surfaces 1 NEXRAD only

Convective day · May 14, 2026 · noon–noon UTC

Severity

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

Composite score · 2.0 / 10
Storm severity score

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

2.0 /10
Peak hail signal
19 /100

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

Homes exposed
36 /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 Dolliver saw the hail — from two instruments

May 14, 2026 · Dolliver, 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 Dolliver, IA on May 14, 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 0.75" Detections 2

Only the NEXRAD radar-signature surface resolved for May 14, 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 May 14, 2026 sits in Dolliver's hail record.

This was Dolliver's 5th recorded hail day, arriving 22 days after the Apr 22, 2026 storm. By severity it ranks 10th of the 14 storms we have logged here. Radar put the day's largest stone over Dolliver at 0.75" — the largest NEXRAD radar signature.

The May 14, 2026 convective day was bigger than Dolliver: the same system put hail over 61 other tracked cities, 3 of them in Iowa. Nearest: Armstrong (8 miles east, up to 0.75"); Swea City (18 miles east, up to 0.75"); Hawarden (92 miles west, up to 0.5").

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

No ground reports were filed with the National Weather Service for this storm over Dolliver. 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.

Near the severe threshold

What 0.75" hail means for Dolliver 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

Roofing exposure

What this storm is worth to a roofer.

60 homes × $12,000 avg. claim

Potential roof exposure

$720K

Potential roof exposure — 60 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Claim window

May 2028

Claims from this storm can typically be filed until around May 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 $13 on top of the $150 plan.

Dolliver hail history

14 recorded storm days in Dolliver, IA
Radar-estimated hail-size map of the storm over Dolliver, IA on Aug 9, 2026 Estimated-size surface
Storm date Dolliver / IA

Aug 9, 2026

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

Aug 8, 2026

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

Jul 4, 2026

1"
Signatures 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on Jun 30, 2026 Estimated-size surface
Storm date Dolliver / IA

Jun 30, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on Jun 27, 2026 Estimated-size surface
Storm date Dolliver / IA

Jun 27, 2026

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

Jun 1, 2026

1.75"
Signatures 1.75" Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on May 26, 2026 Estimated-size surface
Storm date Dolliver / IA

May 26, 2026

1.25"
Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on May 25, 2026 Estimated-size surface
Storm date Dolliver / IA

May 25, 2026

1"
Signatures 1" Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on May 15, 2026 Estimated-size surface
Storm date Dolliver / IA

May 15, 2026

2.25"
Signatures 2.25" Estimated 1.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on Apr 22, 2026 Estimated-size surface
Storm date Dolliver / IA

Apr 22, 2026

1.25"
Signatures 1.25" Estimated 0.5"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Dolliver, IA on Apr 17, 2026 NEXRAD surface
Storm date Dolliver / IA

Apr 17, 2026

0.5"
Signatures 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over Dolliver, IA on Apr 13, 2026 Estimated-size surface
Storm date Dolliver / IA

Apr 13, 2026

1.75"
Signatures 1.75" Estimated 1.25"
No ground reports filed Open report →
NEXRAD radar-signature map of the hail storm over Dolliver, IA on Mar 6, 2026 NEXRAD surface
Storm date Dolliver / IA

Mar 6, 2026

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 10, 2026.