Heavy rainfall causes flooding and traffic problems in Springettsbury Township, Thursday Sept. 10, 2020. John A. Pavoncello photo

York County will be under flash flood surveillance from 1 p.m. through late Friday night, according to the National Weather Service.

The flooding could be sudden, so drivers should exercise caution and avoid standing water. The clock covers counties of Dauphin, Lancaster and Lebanon.

“Urban areas are most at risk from road flooding and road closures,” said the NWS. “Rapid increases in brooks and brooks can occur and lead to adjacent floods.”

Do you like the content? Please consider becoming a subscriber.

There is a small chance of showers in York County between 10 a.m. and 1 p.m., with conditions worsening into the evening with showers and thunderstorms that can cause gusty winds and heavy rain.

The forecast calls for a high temperature close to 91 degrees during the day.

– Reach Harper Ho at [email protected] or on Twitter at @howdyhoharper.