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Update: Emergency officials elevated the evacuation warning to an order.
A vicious mix of winds, snow and rain that smacked the central and eastern US could conclude Saturday with dangerous coastal flooding in the Northeast.
In April 2013, persistent heavy rains caused widespread flooding, primarily impacting the Midwestern and Great Lakes regions. In a span of two days on April 17 and 18, heavy rainfall associated with a slow-moving storm system caused widespread flooding across rivers and areas, where rainfall amounts over 8 inches (200 mm) caused rivers to swell and crest, including the Mississippi River and ...
A flood warning or flash flood warning is issued when flooding is imminent or already occurring. When flood warnings are issued, it means that area waterways will likely soon be in flood. [2] Not all flood watches suggest that large-scale flooding, such as during landfalling tropical cyclones, is possible.
PDS Special marine warnings are issued by the National Weather Service to inform mariners of weather conditions that present a considerable threat to life and property. On April 19, 2018, the Baltimore / Washington, D.C. forecast office upgraded a special marine warning to PDS status as a gust front approached Chesapeake Bay .
Flooding may occur in poor drainage and urban areas," read a portion of the flood watch alert. "Widespread 1.5 to 3 inches of rain has fallen across the watch area. ... Bucks County weather: Flood ...
A flood warning is closely linked to the task of flood forecasting.The distinction between the two is that the outcome of flood forecasting is a set of forecast time-profiles of channel flows or river levels at various locations, while "flood warning" is the task of making use of these forecasts to make decisions about whether warnings of floods should be issued to the general public or ...
Levee breaks on June 10 flooded portions of Lawrence County near Lawrenceville, inundating a campsite and forcing the evacuations of 200 homes. [1] On June 14 many communities located along the Mississippi River in West Central Illinois were notified by the National Weather Service that crests along the river would exceed the record crests of 1993.