Hail in Jennings County, Indiana
Hail December 6, 2021 · Jennings County, Indiana
Where the report was made, with tornadoes recorded within 15 miles over the years.
What the National Weather Service wrote
Report obtained via a picture shared on Twitter.
The wider storm
A favorable set-up for early winter severe weather was brought together ahead of an approaching cold front as a strong 850mb low-level jet stream provided ample boundary layer wind shear and 0-1 km storm-relative helicity...the southwesterly flow from a secondary surface wave along the cold front boosted dewpoints to unseasonably high levels in the 50s...which added MLCAPE values around 500 J/kg to the sheared environment; resulting in scattered convective lines across central Indiana during the night of the 5th, which produced a couple reports of small hail and one marginally-severe report over southeastern central Indiana.
Began near North Vernon Arpt (39.0600, -85.6300).
Source: NOAA Storm Events Database, event 988355. Narratives are written by the National Weather Service forecast office that issued the report.
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