Category Archives: Tropical Cyclones

Extra-tropical transition of Tropical Cyclone Fiona

Posted on September 27, 2022 by dbikos

By Dan Bikos and Sheldon Kusselson Hurricane Fiona underwent a transition from a tropical cyclone to an extra-tropical cyclone on 23-24 September 2022.  The resulting extra-tropical cyclone was very intense and led to significant storm surge, wind damage and heavy … Continue reading →

Posted in Cyclogenesis, GOES R, Heavy Rain and Flooding Issues, Hydrology, POES, Satellites, Tropical Cyclones | Leave a comment

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

Posted on September 15, 2020 by dbikos

By Sheldon Kusselson

Posted in Tropical Cyclones | Leave a comment

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

Posted on August 21, 2020 by dbikos

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

Posted in Severe Weather, Tornadoes, Tropical Cyclones | Leave a comment

Subtropical storm Melissa

Posted on October 11, 2019 by dbikos

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 →

Posted in Heavy Rain and Flooding Issues, Tropical Cyclones | Leave a comment

Hurricane Willa

Posted on October 23, 2018 by Jorel Torres

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 →

Posted in Tropical Cyclones | Leave a comment