Monday, June 28, 2021

Tropical Storm Danny (2021)

Storm Active: June 28-29

Around June 26, a surface trough well southeast of Bermuda was producing some scattered thunderstorm activity as it moved rather quickly west-northwestward. Ocean waters beneath the disturbance weren't especially warm, nor the atmosphere too moist, but some gradual organization occurred nevertheless. Early on the 28th, it was apparent that a well-defined center of circulation had developed, and the system was classified Tropical Depression Four. At the time, it was a very small, sheared system off the South Carolina coastline.

The depression's track was a little unusual: a strong high was situated over the eastern seaboard, which kept Four moving quickly west-northwestward toward land. The system had a rather high pressure reading of 1013 mb due to ambient high pressures in the surrounding area and this shallowness also contributed to its fast forward motion in the strong low-level flow. In any case, warm waters near the coast allowed the storm to strengthen a bit around landfall and it became Tropical Storm Danny. It made landfall during the evening of the 28th a little north of the Georgia-South Carolina border. Because the cyclone was small, heavy rain and tropical storm force winds were confined to a small region.

After landfall, the storm deterioriated rapidly. It weakened to a tropical depression overnight and dissipated the next morning over central Georgia.



The above image shows the tiny Tropical Storm Danny just before landfall in South Carolina.



Danny was another short-lived tropical cyclone because it formed so close to land.

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