![]() NASA research has found that cloud top temperatures as cold as or colder than the 63F/53C threshold have the capability to generate heavy rainfall. Those cloud top temperatures were as cold as or colder than minus 63 degrees Fahrenheit (minus 53 degrees Celsius). states: Maryland, Delaware, northeastern upstate New York, central Vermont and New Hampshire. MODIS found several areas of coldest cloud top temperatures and strongest storms located over several U.S. 18, the Moderate Resolution Imaging Spectroradiometer or MODIS instrument aboard NASA’s Aqua satellite analyzed Post-Tropical Cyclone Florence in infrared light. Flash flood watches are in effect for portions of the Mid-Atlantic States and southern New England.Īt 2:35 a.m. 18, Florence is becoming an increasingly elongated low pressure area while it generates heavy rain over parts of the Mid-Atlantic and into southern New England today. 18, NASA’s Aqua satellite analyzed Post-Tropical Cyclone Florence in infrared light and found several areas of coldest cloud top temperatures and strongest storms (yellow) located over several U.S. Those strong thunderstorms stretched from the Mid-Atlantic to New England. NASA’s Aqua satellite provided an infrared look at fading Post-Tropical Cyclone Florence’s clouds, revealing where the strongest thunderstorms were located. 18, 2018 #1 – NASA Sees Fading Florence’s Stretched-Out Strongest Storms Widespread totals exceeded 10” across most of southern/eastern North Carolina and far eastern South Carolina, with maximum rainfall of more than 20” along and within a few counties of the Atlantic Coast.įor more on this story visit: Sep. This past week’s rainfall totals are depicted in Figure 1, derived from the NOAA/National Weather Service Advanced Hydrologic Prediction Service (AHPS). Credit: NOAA/National Weather Service Advanced Hydrologic Prediction Service (AHPS)Īs anticipated, Hurricane Florence resulting in monumental rainfall totals, particularly across southern and eastern North Carolina. Four counties are denoted, for which soil moisture histogram animations are shown later in this article. 18, 2018 #2 – Dramatic Soil Moisture Transformation over North Carolina Associated with Flooding Rainfall from Hurricane Florence Weekly total rainfall (inches), valid 11-18 September 2018, from the National Weather Service Advanced Hydrologic Prediction Service (AHPS) product. NASA data and researchers observed and analyzed the event, providing a steady stream of information to the Federal Emergency Management Agency (FEMA) and the National Guard to help assess the hurricane’s impact.įor the whole story visit: Sep. coast on September 14, 2018, Hurricane Florence brought strong winds and torrential rains that flooded roads, houses, and rivers to historic levels and left hundreds of thousands of people without power. Upon making landfall on the southeastern U.S. Credit: NASA Earth Observatory images by Joshua Stevens and Lauren Dauphin, using soil moisture data courtesy of JPL and the SMAP Science Team, IMERG data from the Global Precipitation Mission (GPM) at NASA/GSFC, and modified Copernicus Sentinel data (2018), processed by ESA and analyzed by the NASA-JPL/Caltech ARIA team. ![]() Local rainfall amounts can be significantly higher when measured from the ground. These rainfall data are remotely-sensed estimates that come from the Integrated Multi-Satellite Retrievals (IMERG), a product of the Global Precipitation Measurement (GPM) mission. 19, 2018 #1 – Florence Inundates the Carolinas The right image shows the rain accumulation from September 13–16. The false-color image use a combination of visible and infrared light (bands 6-5-4) to make it easier to distinguish between flood waters and land.įor more on this story visit: NASA Earth Observatory images by Joshua Stevens, using Landsat data from the U.S. The image below shows the Trent River on September 19, 2018. 19 #2 – A Broad View of Flooding in the Carolinasīefore and after Hurricane Florence swept through the Carolinas, the Operational Land Imager (OLI) on the Landsat 8 satellite observed several residential areas and major rivers. Learn more about how we study these storms: Ĭredit: NASA Sep. We have been analyzing the storm, providing a steady stream of information to the Federal Emergency Management Agency (FEMA), the National Guard, and other state and federal agencies “to help assess the hurricane’s impact. ![]() Using Earth-observing satellite data, our researchers have been keeping an eye on the amount of rain that fell from #HurricaneFlorence.
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