Category Archives: Cyclogenesis

Extra-tropical transition of Tropical Cyclone Fiona

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

CIRA ALPW Comparison for Two Northeast US Heavy Precipitation Events

By Sheldon Kusselson ALPW loop of 2019 event: ALPW loop of 2017 event:

Posted in Coastal Effects, Cyclogenesis, Heavy Rain and Flooding Issues, Hydrology, POES, Satellites | Leave a comment

Synthetic imagery from the NSSL WRF-ARW for 7 March 2018 event

A nor’easter occurred on 7 March 2018 which resulted in heavy snow, strong winds and rain across portions of the Northeast U.S.  In this blog entry we’ll examine the performance of the NSSL WRF-ARW via synthetic water vapor imagery in … Continue reading

Posted in Cyclogenesis, GOES R, Winter Weather | Leave a comment

4 January 2018 explosive cyclogenesis event

GOES-16 imagery captured the spectacular explosive cyclogenesis event on the eastern seaboard on 4 January.  First, we’ll look at the 3 GOES-16 water vapor channels along with the air mass RGB product: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/4jan18/4panel_wv&loop_speed_ms=60 During this loop we see an instant … Continue reading

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Synthetic imagery application of a snow event on March 5-6, 2013

The synthetic IR (10.35 um) imagery from the 0000 UTC 5 March 2013 NSSL WRF-ARW run: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/6mar13_syn_wrf&image_width=1020&image_height=900 forecasts a region of colder cloud tops from the Ohio Valley towards the mid-Atlantic states during the late afternoon to morning hours of … Continue reading

Posted in Cyclogenesis, GOES-R Proving Ground, Winter Weather | Leave a comment