Category Archives: Tropical Cyclones

ALPW depiction of many tropical cyclones & disturbances – September 14, 2020

By Sheldon Kusselson

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ALPW depiction of mid-level dry air associated with Tropical Storm Isaias

By Sheldon Kusselson Loop of ALPW 700-500 mb layer over a long time period

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Subtropical storm Melissa

By Sheldon Kusselson and Dan Bikos Subtropical storm Melissa exists off the Eastern coastline of the U.S. on 10-11 October 2019, as GOES-16 visible imagery on 11 October shows: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/11Oct19/vis&loop_speed_ms=60 note the lack of deep convection over the center of … Continue reading

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Hurricane Willa

Hurricane Willa is forecasted to make landfall, along the coast of Mexico, within the next few hours. Willa, once deemed a Category 5 hurricane, has been downgraded to a Category 3 hurricane¬†within the last 24 hours, with max sustained winds … Continue reading

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Hurricane Michael

Hurricane Michael has made landfall today, along the Florida Panhandle, between Tyndall Air Force Base, FL and Mexico Beach, Florida. Radar and satellite products observed Michael, as it approached the Florida Panhandle (seen below). Over the last 12 hours, Michael … Continue reading

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