Significant Weather Observing Program

The Significant Weather Observing Program (SWOP) was created at the National Weather Service (NWS) Weather Forecast Office (WFO) in Central Illinois in order to provide forecasters with additional data during and after significant weather events.

Significant Weather Observing Program

The Significant Weather Observing Program (SWOP) was created at the National Weather Service (NWS) Weather Forecast Office (WFO) in Central Illinois in order to provide forecasters with additional data during and after significant weather events.