- An Arcus cloud surrounds the rain and hail curtain on a storm
- W990956Z
- Arcus cloud surrounds rain curtain. This gust front axis stays close to the heavy rain and hail curtain it originates from as a severe storm draws strong inflow winds in along its forward edge, holding outflow at bay. The main area of new development is at lower right, and its forward propagation leaves a large blue-gray wall of precipitation in its wake.
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