Category Archives: Winter Weather

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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Radar and satellite ‘snowfall rate’ observations

Forecasting snowfall and snowfall rates can be quite challenging, especially in radar-limited and or radar-deprived regions. A polar-orbiting satellite ‘Snowfall Rate’ product can be used together with radar observations to help anticipate snowfall rates, identify snowfall areal extent and snowfall … Continue reading

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Arctic Blast in the Upper Midwest

A cold arctic air mass moved into the Upper Midwest the past two days (29-30 September 2019), providing extreme cold temperatures for several states, including North Dakota, Minnesota, Wisconsin, South Dakota, Iowa, and Illinois. Along with high winds, the calculated, … Continue reading

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