GOES-T will keep an eye on atmospheric events that can lead to floods, like heavy rain or rapid melting snow and ice. After flooding occurs, satellites can be used to spot flooded regions from space. Read more NOAAScijinks and get ReadytoGOES:
Geography can also make an area more likely to flood. For example, areas near rivers are often at risk for floods. Urban areas are also at higher risk for floods because rooftops funnel rainfall to the ground below, and paved surfaces such as highways and parking lots prevent the ground from absorbing the rain.
Mountains or steep hills can increase an area’s flood risk, too. Rain or snowmelt running down a mountain can cause streams and rivers to rise quickly. In fact, if a thunderstorm lingers over a mountain, a creek only 6 inches deep can swell to a 10-foot-deep river in less than an hour.Flash floods are very dangerous floods that can happen with little or no warning.
This image from NOAA’s GOES-East satellite shows Hurricane Florence moving toward the Southeastern U.S. in September 2018. Florence dropped nearly 36 inches of rain in Elizabethtown, North Carolina, and led to widespread flooding throughout the Carolinas. Credit: NOAA. Atmospheric rivers are long, narrow conveyor belts of moisture that move through the atmosphere.
Weather satellites, like those in NOAA’s Geostationary Operational Environmental Satellite-R series, keep an eye on atmospheric events that can lead to flooding.
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