Severe · Flood WarningActive alert
Flood Warning issued October 11 at 11:54PM EDT until October 12 at
Affecting Carroll, MD; Frederick, MD
In effect until: Oct 12, 2026, 7:00 AM
Carroll, MD; Frederick, MD
Likely impact across 2 counties in MD; effects through 7:00 AM.
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Read the original bulletin (official text)
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...West Central Carroll County in north central Maryland... East Central Frederick County in north central Maryland... * WHEN...Until 300 AM EDT. * IMPACTS...Flooding of creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. * ADDITIONAL DETAILS... - At 1153 PM EDT, Doppler radar indicated heavy rain. Flooding is ongoing or expected to begin shortly in the warned area. Between 1 and 2 inches of rain have fallen in the past hour. - Additional rainfall amounts up to 0.5 inches are possible in the warned area. - Some locations that will experience flooding include... Union Bridge, Libertytown and Unionville. - This includes the following Flood Prone Roads... Main St near Little Pipe Creek in Union Bridge, Bucher John Road at Cherry Branch, Mckinstrys Mill Road at Sams Creek, Beaver Dam Road near Beaver Dam Creek and Simpsons Mill Road near Little Pipe Creek. - Visit http://www.weather.gov/safety/flood for safety information.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™