EF2 Tornado — Ringgold, Iowa

2024-04-26 · near Diagonal, Ringgold, Iowa

Event narrative

This tornado developed in rural Ringgold County between Mt. Ayr and Diagonal. The tornado moved northeast with some damage to outbuildings and trees. The tornado crossed Highway 169 southwest of Tingley before moving through the center of town. Up to EF2 damage occurred with Tingley with an upper floor removed from one house and the destruction of some outside walls of a brick building in the downtown area. The tornado impacted a couple more farmsteads with EF0 to EF1 damage before dissipating to the northeast of Tingley.

Wider weather episode

Multiple rounds of storms moved across the area on April 26th. The first round was fueled by broad thermal lift and passed across Iowa through the morning with a few of these storms producing small hail but all remained sub severe. The area dried out and cleared out behind this round, allowing for a few hours of destabilization. By afternoon the warm sector was sufficiently unstable between the warm front and a dryline. Robust convection developed along that dryline in the afternoon in western Nebraska, moving into Iowa in the early evening. With sufficient instability, the increasing low level jet, and SRH exceeding 300 m2/s2, large hail and tornadoes occurred with storms across western to central Iowa. In all, 28 tornadoes occurred in Iowa with 18 within the NWS Des Moines area.

View location on OpenStreetMap → (40.7828, -94.2923)

Source: NOAA Storm Events Database, event_id 1170081. Narrative written by the NWS forecast office that issued the report.