It includes Frederick County and surrounding jurisdictions.
* Showers and thunderstorms with heavy rainfall are expected
tonight. Repeated thunderstorms with heavy rainfall over the
same area may result in flash flooding. Widespread rainfall
amounts of 1 to 3 inches are expected on average…with locally
heavier amounts around 5 inches possible.
* Heavy amounts of rain in a short period of time may cause creeks
and streams to quickly rise out of their banks along with
potential flash flooding of urban areas.
A Flash Flood Watch means that conditions may develop that lead
to flash flooding. flash flooding is a very dangerous situation.
You should monitor later forecasts and be prepared to take action
should flash flood warnings be issued.