A satellite from a Finnish nuclear power plant discovered an elongated tropical storm in Ampil
The Tropical Depression 12W formed in the Philippine Sea and NASA-NOAA’s Finland NPP satellite are analyzing the storm in infrared light. The recession intensified later on July 18 into a tropical storm in Ampil.
On July 18, at 12:48 PM EDT (0448 UTC), when NASA-NOAA’s Finnish Nuclear Power Plant satellite VIIRS (Visible Infrared Imaging Radiometer Suite) took an infrared image of the system, it was still depressed. In the VIIRS image, the Tropical Depression 12W looked elongated and contained very cold cloud top temperatures close to minus 80 degrees Fahrenheit (minus 62.2 degrees Celsius). NASA studies have shown that storms with cloud clouds reach high into the troposphere and can cause heavy rainfall.
Animated enhanced infrared satellite images 10 hours later showed that Ampil continued to consolidate but still had an asymmetric cloud field.
At 11 a.m. EDT (1500 UTC), the Joint Typhoon Warning Center (JTWC) reported a tropical storm near the center of Ampil 19.6 degrees north and 129.0 degrees east. It is about 429 nautical miles south of Kadena Air Base on the island of Okinawa in Japan. Ampil was moving east. The maximum continuous wind speed was almost 40 mph (35 knots / 62 km / h).
JTWC expects Ampil to move northeast, then turn northwest and pass through the southwestern islands of Japan or the Ryukyu Arc from Kyushu to Taiwan.
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Quotation: A satellite from a Finnish nuclear power plant finds an elongated tropical storm in Ampil (2018, 18 July), retrieved on 11 April 2022 from https://phys.org/news/2018-07-english-pp-satellite-elongated-tropical.html
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