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Category: Microwave

SAR Winds over Cyclone Herman in the south Indian Ocean

Himawari-9 imagery for the hour surrounding an RCM-1 pass over the center of Severe Tropical Cyclone Herman, below, shows strong convection (with widespread brightness temperatures colder than -85oC — light purple in this enhancement — with isolated pixel values cooler than -90oC — in purple). Peak Synthetic Aperture Radar (SAR)... Read More

Heavy Rain over Tutuila, American Samoa

Tutuila, the large island of American Samoa, experienced very heavy rain early in the morning of 21 March 2023, especially over the western parts of the Island. (However, the raingauge at the Pago Pago airport, in central Tutuila, received only 0.15″ of rain!) The animation above shows the development of... Read More