Predicting snowfall from winter storms is tricky, in no small part because heavy snow and regions of mixed precipitation look very similar in weather radar imagery. Mixed precipitation falls as a blend of rain, freezing rain, ...
Earth Sciences
Dec 1, 2022
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The most powerful typhoon of 2013 was passing between northern Philippines and southern Taiwan on Sept. 19. When NASA's Aqua satellite passed over Usagi, infrared data showed a large area of powerful thunderstorms and heavy ...
Earth Sciences
Sep 20, 2013
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NASA's TRMM satellite examined super soaking Super Typhoon Sanba and powerful hot towering thunderstorms around its center and rain falling at a rate as high as three inches per hour.
Earth Sciences
Sep 14, 2012
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Drizzle is light precipitation in droplets smaller than rain drops. Detecting drizzle in its early stages in marine stratocumulus clouds is important for studying how water in these clouds becomes rainfall. These clouds form ...
Earth Sciences
Jul 3, 2023
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Meteorologists frequently study precipitation events using radar imagery generated at both ground level and from satellite data. Radar sends out electromagnetic waves that bounce off ice or water droplets suspended in the ...
Earth Sciences
Feb 17, 2021
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Rain showers are difficult to predict, as they usually develop into a downpour within half an hour, resulting in flooding. Much depends on being able to spot time, location and precipitation ahead of time on the radar. The ...
Earth Sciences
Oct 22, 2020
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How many times have you stepped outside into a surprise rainstorm without an umbrella and wished that weather forecasts were more accurate?
Earth Sciences
Sep 26, 2018
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In 1997 when the Tropical Rainfall Measuring Mission, or TRMM, was launched, its mission was scheduled to last just a few years. Now, 17 years later, the TRMM mission has come to an end. NASA and the Japan Aerospace Exploration ...
Earth Sciences
Apr 9, 2015
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As Tropical Cyclone Marcia was nearing the Queensland coast, the Tropical Rainfall Measuring Mission satellite known as TRMM measured its rainfall from space.
Earth Sciences
Feb 20, 2015
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After 17 years of groundbreaking 3-D images of rain and storms, the joint NASA and Japan Aerospace Exploration Agency Tropical Rainfall Measuring Mission (TRMM) will come to an end next year. NASA predicts that science operations ...
Earth Sciences
Oct 31, 2014
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