Flash flood warning

Most flash floods occur when there is a heavy amount of precipitation falling in an area and that water is then channeled through streams or narrow gullies.

[2] Flash floods can also occur because of a dam or levee failure,[3] or because of a sudden release of water held by an ice jam.

"[6] On September 10, 2017, the NWS issued a Flash Flood Emergency for life-threatening storm surge because of Hurricane Irma in southwestern Florida at the eye landfall.

[7][8] On February 6, 2020, the NWS issued a Flash Flood Emergency for Tazewell County, Virginia due to a major storm moving through the area which caused the Clinch River to rise to its highest crest in 40 years.

[11] On September 2, 2021, the NWS issued a first ever Flash Flood Emergency for New York City, Philadelphia, Fairfield and New Haven Counties in Connecticut,[12] and most of Central New Jersey a region that stretches over 200 miles, as the remnants of Hurricane Ida transitioned and intensified into a post tropical cyclone causing torrential rains.

[13] On March 27, 2023, the NWS issued a Flash Flood Emergency for a dam break on the Head's Creek Reservoir in Spaulding County, Georgia.