- An emerging supercell thunderstorm with powerful updraft
- W021794Z
- A short while after W021792Z, the gust front along a squall line has developed a large extension into the warm air ahead of it. The view is south, and this eastward cloud base has become the focal point for an emerging HP supercell thunderstorm. This powerful updraft just ahead of the line is already showing hints of the mesocyclone rotation in the cloud striations above it.
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