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Florence rapidly intensifying, expected to approach Carolinas this week

12:30pm Update: Florence has strengthened into a powerful Category 4 hurricane with maximum sustained winds of 130mph. Additional rapid intensification is expected today, as the upper-level atmospheric environment becomes more favorable over the system. Shear, which has inhibited the systems development thus far, will be greatly reduced, allowing for improved upper-level outflow ventilation as the storm moves over warmer waters.

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Potential Tropical Cyclone Ten: Significant Impacts in the Carolinas Possible

Plenty of attention has been on Harvey this weekend making landfall as a major Category 4 hurricane near Rockport, Texas, and then causing catastrophic flooding in and near the Houston Metropolitan area. This will likely not change over the next several days, as Harvey continues to meander over South Texas, dumping waves of heavy rainfall. But another storm is beginning to take shape off the Southeast Coast. This storm has been classified by the National Hurricane Center as Potential Tropical Cyclone Ten, which was previously invest 92L that was followed since it was way out in the Atlantic. Wind shear and dry air over much of the Western and Central Atlantic had kept this system from organizing. However, this system has become better organized just off the South Carolina and Georgia coasts this afternoon.

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