Webster Dictionary(0.00 / 0 votes)Rate this definition: Poke(noun) a large North American herb of the genus Phytolacca (P. decandra), bearing dark purple juicy berries; -- called also garget, pigeon berry, pocan, and pokeweed. The root and berries have emetic and purgative properties, and are used in medicine.
LINK / CITE ADD TO WORD LIST. noun. The definition of a tropical continental is a dry air mass formed over land in area close to the equator. An example of a tropical continental is a mass of warm air that forms over northern Mexico. a type of warm, dry air mass originating at low latitudes over land areas. 1  Link/Cite. 2  tropical.
Some maritime polar air masses originate as continental polar air masses over Asia and move westward over the Pacific, collecting warmth and moisture from the ocean. Some mP air masses originate from the North Atlantic and move southwestward toward the Northeast States. The latter air mass generally is colder and drier than the mP off of the Pacific. Maritime tropical (mT) air masses are warm, moist, and usually unstable. Some maritime tropical air masses originate in the subtropical Pacific Ocean, where it is warm and air must travel a long distance over water. These rarely extend north or east of southern California. Some maritime tropical air masses originate over the Gulf of Mexico and Caribbean Sea. They can be associated with fog and low clouds as they moves northward. In the spring and summer, this air mass accounts for the thunderstorms in the Great Plains and elsewhere.