Category Archives: Winter Weather

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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Snow Squalls in Pennsylvania on 8 January 2020

By Dan Bikos and Bill Line On 8 January 2020 numerous snow squalls moved across Pennsylvania leading to the issuance of multiple snow squall warnings by the NWS.  One of the challenges with this event is that it spanned the … Continue reading

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Lake-effect snow from 7 November 2019

GOES-16 imagery depicts lake-effect snowbands over the western Great Lakes on 7 November 2019: http://rammb.cira.colostate.edu/templates/loop_directory.asp?data_folder=training/visit/loops/7nov19/4panel&loop_speed_ms=60 Upper left: 0.64 micron visible band Upper right: 10.3 micron IR band with default color table (IR_Color_Clouds_Winter) Lower left: 10.3 micron IR band with GOES Snow … Continue reading

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CIRA ALPW Comparison for Two Northeast US Heavy Precipitation Events

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

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High Plains Snowstorm

A strong extratropical cyclone moved through the Rocky Mountains and western high plains over the course of 10 April 2019. The low-pressure system produced heavy precipitation in the forms of rain and snow, along with blustery winds. The system produced … Continue reading

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