The cyclone dissipated over northern Mexico and southern Texas the next day.
Although hurricane-force winds occurred over the Florida Keys and the central and south Texas coast, no reliable wind measurements are available from near the center.
The town of Moore Haven on the south side of Lake Okeechobee was completely flooded by lake surge from the hurricane.
Hundreds of people in Moore Haven alone were killed by this surge, which left behind floodwaters in the town for weeks afterward.
Winds were reported to be nearly 150 mph as the hurricane passed over the Turks Islands on the 16th and through the Bahamas on the 17th.
Little in the way of meteorological information on the approaching hurricane was available to the Weather Bureau in Miami.
The "Great Miami" Hurricane was first spotted as a tropical wave located 1,000 miles east of the Lesser Antilles on September 11th.
The system moved quickly westward and intensified to hurricane strength as it moved to the north of Puerto Rico on the 15th.
The Category 4 hurricane's eye moved directly over Miami Beach and downtown Miami during the morning hours of the 18th.
This cyclone produced the highest sustained winds ever recorded in the United States at the time, and the barometric pressure fell to 27.61 inches as the eye passed over Miami.
A storm surge of nearly 15 feet was reported in Coconut Grove.
After landfall, the cyclone turned northward through the Great Plains.
It became extratropical and turned east-northeastward on September 11, passing across the Great Lakes, New England, and southeastern Canada.
This killer weather system was first detected over the tropical Atlantic on August 27.