How big was the hail on September 27, 2023?

The maximum estimated stone size anywhere in Kentucky that day was 1.50 inches. Sizes vary street to street inside a single swath, so a city's figure is the largest radar estimated anywhere within about 5 miles of it.

Does this mean roofs were damaged?

Radar measures stone size, not damage. Whether a particular roof was damaged depends on stone size, wind direction, roof age and material — only an inspection settles it. These figures tell you where it is worth looking.

How do I see the actual swath on a map?

A HailMate plan puts the whole of Kentucky on a real interactive map with this swath and three years of others already on it. $79/mo, and the canvassing tools come with it.

Kentucky · September 27, 2023

Kentucky hail map — September 27, 2023

Name: Kentucky hail map — September 27, 2023
Creator: HailMate

NOAA radar detected hail of an inch or more over 2 Kentucky cities on September 27, 2023. The largest stones — 1.50″, half dollar size — fell over Owensboro.

Hail swath map for Owensboro, KY on September 27, 2023 showing 1.50 inch hail. — Swath over Owensboro on September 27, 2023 — 1.50″ hail. Each city below has its own map for this storm.

Cities hit: 2; in Kentucky
Largest stone: 1.50″; half dollar size
Impact rating: 5/10; from stone size

Sizes come from NOAA MRMS radar (MESH), which runs about ±0.25″ against ground truth. It is canvass-targeting quality, not claim evidence.

Roofing contractors

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Homeowners

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This page covers Kentucky as a whole. Check your own address to see every storm on record for your roof — the date and the stone size for each one — and we'll email you the full report to keep.

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Kentucky cities hit on September 27, 2023

Owensboro, KY1.50″ · half dollar Radcliff, KY1.00″ · quarter

What people on the ground measured in Kentucky on September 27, 2023

10 reports filed with the National Weather Service — 3 from trained spotters or officials. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.

1.75″ golf ball size Public
2 NNW Lyonia, KY12:08 AM EDTHancock County
Golfball size or larger hail in southern Hancock County.
1.25″ half dollar size Public
Dixon, KY10:41 PM EDTWebster County
Hail covering the ground with the largest stones around a half dollar.
1.25″ half dollar size Public
Philpot, KY11:53 PM EDTDaviess County
Hail stone slightly bigger than a quarter.
1.25″ half dollar size Fire Dept/Rescue
Harned, KY12:44 AM EDTBreckinridge County
1.00″ quarter size Public
2 S Marion, KY10:26 PM EDTCrittenden County
Late report. A few hailstones larger than quarters.
1.00″ quarter size Public
2 ESE Macio, KY10:31 PM EDTDaviess County
Hail of at least 1 inch in diameter in Yelvington.
1.00″ quarter size Public
Pellville, KY10:56 PM EDTHancock County
1.00″ quarter size Trained Spotter
6 ENE Fredonia, KY10:57 PM EDTCaldwell County
1.00″ quarter size Trained Spotter
Whitesville, KY11:58 PM EDTDaviess County
0.75″ penny size Emergency Mngr
6 SSW Greenville, KY12:36 AM EDTMuhlenberg County

Reports come from the National Weather Service Local Storm Report feed, ingested every 15 minutes. A report records where the observer was, not the full extent of the swath — treat it as evidence about the storm, not about any one roof.

Hail elsewhere on September 27, 2023

The full US hail map for September 27, 2023 →

Other Kentucky hail days

August 16, 20262 cities · 1.00″August 11, 20263 cities · 1.00″July 26, 20261 city · 1.00″July 21, 20261 city · 1.00″May 16, 20261 city · 1.00″April 1, 20261 city · 1.00″September 5, 20251 city · 1.50″August 19, 20251 city · 1.50″July 18, 20251 city · 1.00″June 26, 20251 city · 1.00″May 20, 20251 city · 1.00″May 16, 20253 cities · 2.00″

Every hail day across Kentucky →

FAQ

Kentucky hail on September 27, 2023

NOAA radar put hail of an inch or more over 2 Kentucky cities that day. The largest stones — 1.50 inches, half dollar size — were over Owensboro. Every city hit is listed above with its own stone size.

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