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A tropical marine climate is a tropical climate that is primarily influenced by the ocean. It is usually experienced by islands and coastal areas 10° to 20° north and south of the equator. There are two main seasons in a tropical marine climate: the wet season and the dry season. The annual rainfall is 1000 to over 1500 mm (39 to 59 inches).
Monsoon air masses are moist and unstable. Superior air masses are dry, and rarely reach the ground. They normally reside over maritime tropical air masses, forming a warmer and drier layer over the more moderate moist air mass below, forming what is known as a trade wind inversion over the maritime tropical air mass.
Between 1986 and 1989, [6] the portion of the National Meteorological Center (NMC) known as the Ocean Products Center (OPC) was responsible for marine weather forecasting within the NWS. [7] Between August 1989 and 1995, the unit named the Marine Forecast Branch also was involved in providing objective analysis and forecast products for marine ...
The heavy precipitation event: As the pattern of enhanced tropical rainfall continues to shift further to the east and weaken, the deep tropical moisture plume extends from the subtropical central Pacific into the mid latitude trough now located off the west coast of North America. The jet stream at upper levels extends across the North Pacific ...
Regions where oceanic or subtropical highland climates (Cfb, Cfc, Cwb, Cwc) are found. An oceanic climate, also known as a marine climate or maritime climate, is the temperate climate sub-type in Köppen classification represented as Cfb, typical of west coasts in higher middle latitudes of continents, generally featuring cool to warm summers and cool to mild winters (for their latitude), with ...
The National Data Buoy Development Program (NDBDP), created in 1967, was placed under the control of the USCG. In 1970, NOAA was formed and the NOAA Data Buoy Office (NDBO) was created within the National Ocean Service (NOS) and located in Mississippi. In 1982, the NDBO was renamed NDBC and was placed under NOAA's NWS.
Based upon the Bergeron air mass classification scheme is the Spatial Synoptic Classification system, or SSC.There are six categories within the SSC scheme: Dry Polar (similar to continental polar), Dry Moderate (similar to maritime superior), Dry Tropical (similar to continental tropical), Moist Polar (similar to maritime polar), Moist Moderate (a hybrid between maritime polar and maritime ...
The mid-1990s saw a resurgence of interest in the North American Monsoonal system. Using data collected during the SWAMP–90 field campaign, Michael Douglas found that the surge of moisture was associated with a low level jet. The jet was strongest from 300 metres (980 ft) to 600 metres (2,000 ft) above the surface.