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Tropical Cyclone Ialy formed over the Indian Ocean south of the Seychelles on the morning of May 16, 2024. The storm travelled northwestward, toward the east coast of Tanzania as it steadily strengthened. By the morning of May 20, when the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite acquired this true-color image, Tropical Cyclone Ialy was carrying maximum sustained winds of about 65 miles per hour (104 km/h).
At 11:00 p.m. EDT on May 20 (0300 UTC on May 21), the Joint Typhoon Warning Center (JTWC) advised that Tropical Cyclone Ialy was located about 277 miles (446 km) east-northeast of Dar es Salaam, Tanzania and was tracking north-northwestward. Maximum sustained winds were estimated at about 63 mph (101 km/h).
According to the JTWC, the near-term environmental conditions favor some additional strengthening. However, Tropical Cyclone Ialy will face increasingly unfavorable conditions and should weaken as the storm is turned to the north by a steering ridge. The interaction with the ridge as well as increasing wind shear is likely to cause significant weakening by mid-day on May 21. The system is expected to dissipate below warning threshold (40 mph/64 km/h) by mid-day on May 22.
Image Facts
Satellite:
Terra
Date Acquired: 5/20/2024
Resolutions:
1km (697.3 KB), 500m (2.2 MB), 250m ( B)
Bands Used: 1,4,3
Image Credit:
MODIS Land Rapid Response Team, NASA GSFC