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Flood forecasting is an important component of flood warning, where 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 tell decisions on warnings of floods.
Flash Flood Threat is the amount of rainfall of a given duration in excess of the corresponding Flash Flood Guidance value. The flash flood threat when used with existing or forecast rainfall then is an index that provides an indication of areas where flooding is imminent or occurring and where immediate action is or will be shortly needed.
In addition, some NWS Weather Forecast Offices have instituted an enhanced flash flood warning, referred to as a flash flood emergency (or as termed by the Albany, New York office as a flash flood warning emergency [5]), which indicates a severe flooding situation in densely populated areas, similar to the procedure for declaring a tornado ...
Hundreds of miles apart, but still connected by the same stubborn weather system, urban St. Louis and rural Appalachia are showing how devastating flash flooding can be when souped-up storms dump ...
Heavy rainfall and severe thunderstorms are expected to cause flash flooding and damaging wind gusts in the St. Louis area, with rainfall totals ranging from 1-4 inches. Forecast: Heavy rain ...
Weather radar in Norman, Oklahoma with rainshaft Weather (WF44) radar dish University of Oklahoma OU-PRIME C-band, polarimetric, weather radar during construction. Weather radar, also called weather surveillance radar (WSR) and Doppler weather radar, is a type of radar used to locate precipitation, calculate its motion, and estimate its type (rain, snow, hail etc.).
Multiple storms moving through the country will bring wintry weather up north and flash flood risks across the south until Thursday. An additional 55 million are under winter weather advisories ...
Flood risk management includes mitigating and preparing for flooding disasters, analyzing risk, and providing a risk analysis system to mitigate the negative impacts caused by flooding. [ 60 ] Flooding and flood risk are especially important with more extreme weather and sea level rise caused by climate change as more areas will be effected by ...