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Rain or Snow?: what determines the precipitation type
EarthSky Freezing rain: All about this dangerous ice
How frost forms and the different types
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Iowa weather: Why frost happens even when temperatures don't reach freezing
Weather IQ: Explaining dew points and frost points
Why the temperature got so cold in Charlotte
Frostbite: Signs & Symptoms, Stages, Treatment & Prevention
How to tell the difference between snow, sleet and freezing rain
winterpreciptypes
What Is Black Ice and How Does It Form?
Dew Point vs Frost Point, Schnack's Weather Blog
NC weather: What is freezing rain? Why do we see it vs snow or sleet? - ABC11 Raleigh-Durham
Why can it snow when it's 42 degrees, yet rain when its 32 degrees? - Quora
NWS Science Corner: How does Frost Form with Low Temps Warmer than 32F?