September 4, 2022 - Super Typhoon Hinnamnor
Hinnamnor
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For most of 2022, the world’s ocean basins have been relatively quiet
and free of tropical cyclones. This week, Super Typhoon Hinnamnor
shattered the calm, spinning up to become the first Category 5 cyclone
on Earth in 2022 on August 30. The storm has reached maximum sustained
winds on both August 30 and again on August 31 as it spun over the
Western Pacific Ocean. reaching 160 mph (257 km/h). The path of the
storm has been erratic and the potential for landfall has been unclear,
but landfall over South Korea appears likely.
On September 1, 2022, the Moderate Resolution Imaging Spectroradiometer
(MODIS) on NASA’s Aqua satellite acquired a true-color image (below) of
Hinnamnor. Though the typhoon appeared to be bearing down on Taiwan in
the image, it had actually started to turn north and away from the
island.
On September 1, near the time the MODIS image was acquired, the JTWC
advised that Hinnamnor carried maximum sustained winds of about 140 mph
(220 km/h) with gusts up to 161 mph (259 km/h). The storm was
approximately 373 miles (600 km) south of Okinawa. By the evening of
September 2, winds had slowed to 90 mph (150 km/h), with gusts to 115
mph (187 km/h). The storm had only moved about 30 miles (50 km).
At 0300 UTC on September 4 (11:00 p.m. EDT September 3), the JTWC
advised that Typhoon Hinnamnor’s maximum sustained winds had dropped to
118 mph (190 km/h) with gusts up to 150 mph (241 km/h). That maximum
sustained winds place Hinnamnor at Category 3 strength on the
Saffir-Simpson Hurricane Wind Scale. The storm was located about 206
miles (331.5 km) west of Kadena Air Base, Okinawa, Japan and was
tracking northward at 11.5 mph (17 km/h).
The JWTC expects Typhoon Hinnamnor to intensify over the next 12 hours
as the large storm passes over the warm waters of the East China Sea,
reaching about 132 mph (212 km/h) (Category 4) at that time. The
current forecast has Typhoon Hinnamnor making landfall on the coast of
South Korea, most likely on September 6 and also likely on a weakening
trend.
Image Facts
Satellite: Aqua
Date Acquired: 9/1/2022
Resolutions: 1km (1.2 MB), 500m (1.3 MB), 250m (3.8 MB)
Bands Used: 1,4,3
Image Credit: MODIS Land Rapid Response Team, NASA GSFC
https://modis.gsfc.nasa.gov/gallery/individual.php?db_date=2022-09-04
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