- Close-up of a gust front and storm cell propagation along a boundary
- W003730Z
- Close view of a gust front with shelf cloud and storm cell propagation along a boundary. Several layers are present like wrinkles ahead of the advancing outflow. New updrafts within it (note ruffled base and lowering) are propagating the storm forward. The white line above the lowest cloud is from skylight reflected from its upper surface, showing that it is separated from the layers above.
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