- Drawing a connection between cloud features: frozen collar cloud
- W012527S
- Drawing a connection between cloud features. Strong convection boils up past an odd frozen cloud collar left behind by an earlier anvil wing. The thicker outer edge is typical but the clear hole is more interesting. Here, sinking air along the outer edge of the rising thermals causes local warming, which sublimates the ice crystal cloud there. Wings are transient steps or lulls in the convective process.
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