Tropical Weather

Bertha over warmer waters, should strengthen

Tropical Storm Bertha continues west-northwestward over the open Atlantic, and has now moved over some warmer Sea Surface Temperatures (SSTs) of 26°C. Wind shear has remained about 10-15 knots, and the storm appears to be responding to these slightly more favorable conditions by generating a larger area of heavy thunderstorm activity near the center. The tops of these more vigorous thunderstorms reach higher into the atmosphere, and thus show up as colder in infrare...

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