Category Archives: Convection

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

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Hail damage swaths from severe storms over the High Plains as viewed from satellites during July 2018

By Louie Grasso, Dan Bikos, Jorel Torres and Ed Szoke During the summer of 2018 over the High Plains, several significant severe storms occurred.  Several hailstorms moved southward over the Central High Plains and produced noticeable hail swaths and damage … Continue reading

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GOES-16 Split Window Difference Precursor to Convective Initiation

There are two GOES-16 products related to convective activity.  One is related to convective initiation; that is, this product will identify new cumulus that will further develop into mature thunderstorms.  The second product identifies which mature thunderstorms have a high … Continue reading

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High cloud obscuration during a lake-effect snow event

When analyzing satellite imagery during lake-effect snow events, one is interested in looking at the low-level clouds associated with the snowbands.  However, sometimes high clouds obscure the low-level clouds making analysis from a satellite imagery perspective more challenging.  An example … Continue reading

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