From October 18 , and through the following day , Wilma underwent explosive deepening over the open waters of the Caribbean ; in a 30-hour period , the system 's central atmospheric pressure dropped from 982 mbar ( 29.00 inHg ) to the record-low value of 882 mbar ( 26.05 inHg ) , while the winds increased to 185 mph ( 298 km\/h ) .
From October 18 , and over the next day , Wilma underwent explosive deepening over the open waters of the Caribbean ; in a 30-hour period , the system 's central atmospheric pressure dropped from 982 mbar ( 29.00 inHg ) to the record-low value of 882 mbar ( 26.05 inHg ) , while the winds increased to 185 mph ( 300 km\/h ) .