Pennsylvania hail map — August 12, 2023
NOAA radar detected hail of an inch or more over 2 Pennsylvania cities on August 12, 2023. The largest stones — 1.00″, quarter size — fell over Plum.

- Cities hit
- 2
- in Pennsylvania
- Largest stone
- 1.00″
- quarter size
- Impact rating
- 3/10
- 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.
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Pennsylvania cities hit on August 12, 2023
What people on the ground measured in Pennsylvania on August 12, 2023
12 reports filed with the National Weather Service. These are measured stones, not radar estimates, so they are the closest thing to proof that hail actually reached the ground.
- 3.00″ baseball size 911 Call Center2 ESE Claysville, PA8:14 PM EDTWashington County
Hailstone fell on Hawthorn Road.
- 2.50″ hen egg size Public1 N Claysville, PA8:08 PM EDTWashington County
Photo provided
- 2.00″ hen egg size Public1 SSE Taylorstown, PA8:08 PM EDTWashington County
- 2.00″ hen egg size 911 Call Center2 ESE Claysville, PA8:12 PM EDTWashington County
Multiple photos of measured 2 inch hail in the Claysville area
- 1.75″ golf ball size Public1 NNE Lagonda, PA8:18 PM EDTWashington County
- 1.25″ half dollar size Public1 NW Alcoa Center, PA6:45 PM EDTWestmoreland County
- 1.25″ half dollar size Public3 W North Washington, PA6:48 PM EDTWestmoreland County
Photo provided
- 1.25″ half dollar size Public3 NW Claysville, PA8:00 PM EDTWashington County
- 1.25″ half dollar size Public1 WNW Green Hills, PA8:15 PM EDTWashington County
MPING report
- 1.00″ quarter size Public5 E Cooperstown, PA3:46 PM EDTVenango County
Report from mPING: Quarter (1.00 in.).
- 1.00″ quarter size PublicKaneville, PA3:48 PM EDTVenango County
Time estimated.
- 1.00″ quarter size Public5 SSW Biggertown, PA3:50 PM EDTColumbia County
Report from mPING: Quarter (1.00 in.).
Showing the 12 largest of 26 hail reports filed that day.
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.
Other Pennsylvania hail days
Pennsylvania hail on August 12, 2023
NOAA radar put hail of an inch or more over 2 Pennsylvania cities that day. The largest stones — 1.00 inches, quarter size — were over Plum. Every city hit is listed above with its own stone size.