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Category: Metop

Severe Tropical Cyclone Lola in the southwest Pacific

MIMIC Total Precipitable Water fields, above, show the development of Tropical Cyclone Lola near 170oE Longitude. The storm pushed south out of the western Pacific Intertropical Convergence Zone. By 0000 UTC on the 23rd, it began to entrain dry air into its circulation as it approached Vanuatu. In addition to... Read More

Satellite products useful for anticipating tropical cyclone development

Tropical Storm Bolaven has formed in the western Pacific and is moving towards the Marianas Islands. Were there satellite products useful in monitoring the atmosphere prior to the storm’s development? One such useful product is the Advanced Scatterometer (ASCAT) that is on both MetopB and MetopC polar orbiters at this website (or this one). The stepped animation above, from... Read More

Strong Winds and High Seas around the Samoan Islands

Wave observations from the Aunu’u site just to the east of American Samoa, above, show waves exceeding 12 feet starting late in the day on 22 September and persisting through the weekend into the 25th. The National Weather Service office in Pago Pago issued High Surf Warnings during this eventASZ001>004-251915-Tutuila-Aunuu-Manua-Swains Island-Rose Atoll-705 PM SST Sun Sep 24 2023 ...HIGH SURF... Read More