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Tropical Cyclones

RSS Storm Watch tracks the most powerful storms on Earth, offering easy viewing of tropical cyclone (TC) lifecycles and microwave data in and around TCs: through cloud SSTs, wind vectors, rain rates.

RSS Active Tropical Cyclones Active Tropical Cyclones
RSS Tropical Cyclone Archive TC Archive (July, 1999 through present)

Strong TC surface winds are directly related to the warm middle and upper atmosphere temperatures around the TC center. The AMSU-A instrument measures this warmth at several frequencies near 55 gigahertz (GHz), and provides an estimate of maximum sustained wind speed (Vmax).

AMSU-A Tropical Cyclone AMSU-A maximum sustained TC winds