Thunderstorm Wind — Macoupin, Illinois

2023-07-16 · near Dorchester, Macoupin, Illinois

Event narrative

Thunderstorm winds blew down several large tree limbs.

Wider weather episode

This round of storms was due to an outflow boundary from earlier activity. As it moved east through the afternoon hours it interacted with a rather unstable air mass with surface based CAPE in excess of 3000 J/kg. The main threat from these storms was damaging winds.

View location on OpenStreetMap → (39.0521, -89.8851)

Source: NOAA Storm Events Database, event_id 1128559. Narrative written by the NWS forecast office that issued the report.