Author Archives: dbikos

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

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

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

Dryline Bulges Identified in GOES-16 Split Window Difference on 30 April 2019

By Dan Bikos and Lewis Grasso During the afternoon of 30 April 2019, a dryline mixed eastward from New Mexico into the Texas panhandle, as seen in this GOES-16 visible loop with METARs overlaid: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/30apr19/vis_metars&loop_speed_ms=60 Thunderstorms initiate along various segments … Continue reading

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17 April 2019 thunderstorm event over northern Mexico as observed by GOES-16

By Louie Grasso and Dan Bikos On the day of 17 April 2019 observations indicated a significant upper-level trough over the southwest portions of the US.  As is typical with this type of synoptic setup, southwesterly flow ahead of the … Continue reading

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ALPW product for 26 April 2019 heavy rain / severe thunderstorm event

Posted in Convection, Heavy Rain and Flooding Issues, Hydrology | Comments Off on ALPW product for 26 April 2019 heavy rain / severe thunderstorm event