mT originates over a warm sea.
Maritime Equatorial Air Mass (mE) originate over warm sea water. Maritime Tropical (mT) also originates over the warm sea waters.
cT originates over warm land.
day and flows toward the land
The warm air usually originates from a tropical or subtropical latitude, usually from over a warm body of water such as the Gulf of Mexico.
warm and dry
dry
A maritime tropical air mass would most likely be moist and warm, as it originates over warm ocean waters.
from the sea
Warm and humid
The fuel will be the same no matter what ocean or sea the hurricane is over: warm moist air with the moisture provided by warm ocean water.
Hurricanes develop over warm seas.
The air mass indicated by moist warm air is a maritime tropical air mass. It originates over warm ocean waters and carries moisture and warmth with it as it moves over land.