Question · Geographic area
Hail occurrence and severity climatology
How frequent and severe is reported hail in this area?
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NOAA National Centers for Environment…
Strong fit
NOAA NCEI Storm Events Database
Open hail records supply type, time, linked location, reporter, and maximum reported hail size, supporting report-based climatology with explicit denominator and bias.
Free
Full file
Multi-country
8 fields
NOAA National Weather Service
Strong fit
SPC Severe Weather Database
The open 1955–2025 hail archive supplies report date/time, coordinates, jurisdiction keys, and hail diameter with a dated release. It supports thresholded area/window counts and severity distributions when boundary, denominator, reporting bias, and aggregation are retained; it is not a complete census or emitted grid.
Free
Full file
National
US
10 fields
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