Category Archives: Satellites

How far north can we see sun glint in GOES satellite imagery?

By Bernie Connell and Erin Sanders Sun glint is an optical phenomenon that can be seen in visible and near-IR satellite imagery over water features such as ocean, lakes, and rivers.  Its presence depends on the geometry between Sun, Earth, … Continue reading

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GOES/JPSS Observations of Oklahoma Severe Storms and Elevated Mixed Layer

By Jorel Torres, Dan Bikos and Ed Szoke A line of severe storms moved through the southern plains on 4 May 2020, producing numerous hail and wind reports across the region (accessed via SPC). The GOES-16 Day Cloud Phase Distinction … Continue reading

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CIRA Snow/Cloud Layer Product & VIIRS observations of the 12 Feb 2020 Blowing Snow Event

By Ed Szoke and Jorel Torres On 12 Feb 2020 a strong cold front pushed southward across the Northern Plains and Midwest bringing dramatically colder temperatures and howling northerly winds, creating widespread blowing snow and blizzard conditions during the daytime … Continue reading

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Advected Layer Precipitable Water (ALPW) product for 5 February 2020 Severe and Flood event

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Water vapor imagery in an extremely dry airmass – 31 October 2019

On 31 October 2019 a very dry airmass existed over the southwest US.  To illustrate the dry airmass, consider the sounding from Albuquerque, NM with a precipitable water amount of 0.05″ (1.27 mm): The synoptic scale pattern was characterized by … Continue reading

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