We were excited to spot a line of fallstreak holes (AKA: HolePunch clouds) over southern Oregon via the GOESWest satellite's visible band yesterday. Learn more about this phenomenon:
If you watch the clouds in the image loop above closely, you will notice a phenomenon that meteorologists call fallstreak holes . They appear right above and slightly south of Orlando, near the middle of the frame. Fallstreak holes look exactly like one would expect: largeThese types of clouds are made up of supercooled water droplets, which means that the droplets are composed of water that is below the freezing point , but are still in liquid form.
such as dust or pollution particles, fungal spores, or bacteria that may trigger crystallization. Supercooled water is very unstable and will flash-freeze when disturbed.When an aircraft passes through these types of clouds, the airflow around its wings and body triggers the droplets to turn into tiny ice crystals. As they quickly grow, they begin to fall, leaving a hole behind, which will start to expand outward as surrounding droplets start to freeze as well, similar to a domino effect.
The imagery above was viewed via the GOES East geostationary satellite on June 9, 2020. This satellite keeps watch over most of North America, including the continental United States and Mexico, as well as Central and South America, the Caribbean, and the Atlantic Ocean to the west coast of Africa. The satellite's high-resolution imagery provides optimal viewing of severe weather events, including thunderstorms, tropical storms, and hurricanes.
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