/ Storm field report · St. Lawrence

Hail in De Kalb Junction · Jan 4, 2026

The estimated-size surface reached 0.5" aloft; NEXRAD logged no point detections over De Kalb Junction that day. Open it on the live map to see the swath over the streets.

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Peak hail signal 0.5" ≈ pea to penny · radar-estimated size aloft
Homes in the hail footprint 63
Ground reports 0 none filed
Radar surfaces 1 Estimated size only

Convective day · Jan 4, 2026 · noon–noon UTC

Severity

The 14th most severe storm De Kalb Junction has seen in the last 12 months

Composite score · 1.7 / 10
Storm severity score

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

1.7 /10
Peak hail signal
13 /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 De Kalb Junction saw the hail — from two instruments

Jan 4, 2026 · De Kalb Junction, NY

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.

Radar-estimated hail size Surface resolved
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jan 4, 2026 Estimated size field

Radar-estimated maximum hail size across the swath, modeled from radar aloft. It reflects the biggest stone the storm could support, which may differ from what actually fell.

Max size 0.5"

Only the radar-estimated size surface resolved for Jan 4, 2026 — this storm produced no NEXRAD point detections over De Kalb Junction, so there is one map to show, not two.

The storm in context

Where Jan 4, 2026 sits in De Kalb Junction's hail record.

This was De Kalb Junction's 1st recorded hail day — the first hail day in our records for the city. By severity it ranks 14th of the 19 storms we have logged here. Radar put the day's largest stone over De Kalb Junction at 0.5" — radar-estimated size aloft.

The Jan 4, 2026 convective day was bigger than De Kalb Junction: the same system put hail over 2 other tracked cities. Nearest: White Marsh (357 miles south, up to 1.25"); Parkville (358 miles south, up to 1.25").

These maps are stills. In the app this date is one of 19 De Kalb Junction 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 De Kalb Junction. 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.

Below the severe threshold

What 0.5" hail means for De Kalb Junction 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

Roofing exposure

What this storm is worth to a roofer.

63 homes × $12,000 avg. claim

Potential roof exposure

$756K

Potential roof exposure — 63 homes × the ~$12,000 industry-average hail roof claim. Exposure, not confirmed damage.

Claim window

January 2028

Claims from this storm can typically be filed until around January 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.

De Kalb Junction hail history

19 recorded storm days in De Kalb Junction, NY
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Sep 13, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Sep 13, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Map unavailable
NEXRAD surface
Storm date De Kalb Junction / NY

Aug 27, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jul 14, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Jul 14, 2026

2.75"
Estimated 2.75"
3 ground reports Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jul 4, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Jul 4, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jul 2, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Jul 2, 2026

2"
Estimated 2"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jun 25, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Jun 25, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jun 22, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Jun 22, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Jun 17, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Jun 17, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on May 29, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

May 29, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on May 9, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

May 9, 2026

1.25"
Estimated 1.25"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on May 1, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

May 1, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Apr 3, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Apr 3, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Mar 31, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Mar 31, 2026

2"
Estimated 2"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Mar 30, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Mar 30, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Mar 29, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Mar 29, 2026

1"
Estimated 1"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Mar 25, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Mar 25, 2026

0.75"
Estimated 0.75"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Mar 15, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Mar 15, 2026

0.5"
Estimated 0.5"
No ground reports filed Open report →
Radar-estimated hail-size map of the storm over De Kalb Junction, NY on Mar 5, 2026 Estimated-size surface
Storm date De Kalb Junction / NY

Mar 5, 2026

0.5"
Estimated 0.5"
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 14, 2026.