Dense Fog — Clayton, Iowa

2020-03-19 · Clayton, Iowa

Event narrative

One person was killed and another injured when two semi's collided at the intersection of U.S. Highway 52 and State Highway 13 southeast of Monona. The driver of one semi failed to stop at the intersection and collided with the second semi. Lead-acid batteries were strewn across the roads as a result of the accident. A hazard materials team had to be called in for clean up, resulting in the roads being closed for several hours. The visibility was likely reduced to less than a half mile in dense fog at the time of the accident.

Wider weather episode

One person was killed and another injured when two semi's collided southeast of Monona (Clayton County) in dense fog. The driver of one semi failed to stop at an intersection of U.S. Highway 52 and State Highway 13 and collided with the second semi. One of the trucks was transporting lead-acid batteries that were strewn across the roads. A hazard materials team had to be brought in for clean up, requiring the roads to be closed for much of the day. The visibility at the time of the accident was likely reduced to less than a half mile due to dense fog.

Source: NOAA Storm Events Database, event_id 880581. Narrative written by the NWS forecast office that issued the report.