After intensification slowed for a few hours , another round of rapid intensification occurred and PERSON@1 was upgraded to a Category NUMBER@1 hurricane during a hurricane hunter flight around NUMBER@2 p.m. EDT -LRB- NUMBER@3 UTC -RRB- , with NUMBER@4 mph -LRB- NUMBER@5 km/h -RRB- winds .

After strengthening slowed for a few hours , another round of quick strengthening happened and PERSON@1 was upgraded to a Category NUMBER@1 hurricane during a hurricane hunter flight around 1pm -LRB- EDT -RRB- , with NUMBER@4 mph winds .
