Hurricane Michael was the strongest storm on record to hit the Florida panhandle. It became a tropical depression on October 7th, intesifying into a hurricane by October 8th. It made landfall on October 10th. GPM caught the storm after it had weakened back down to a Tropical Storm on October 11th. But even in a weakened state, Michael still caused flash floods and power outages throughout the Carolinas.
GCMD keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0