Microsoft SQL Server Analysis Services provides for the use of functions in Multidimensional Expressions (MDX) syntax. Functions can be used in any valid MDX statement, and are frequently used in queries, custom rollup definitions, and other calculations. This section provides information about the MDX functions included with Analysis Services.
A hurricane needs humidity to develop. Humidity is the amount of  water in the air. A hurricane starts off as a series of  thunderstorms which intensify as it moves over the â¦ warm humid sea.  The humidity continues to grow over the sea. Any sort of decrease  or increase in humidity can change the strength of a hurricane.
The movement of a hurricane from one location to another is known as hurricane propagation. In general, hurricanes are steered by global winds. The prevailing winds that surround a hurricane, also known as the environmental wind field, are what guide a hurricane along its path. The hurricane propagates in the direction of this wind field, which also factors into the systemâs propagation speed. While each storm makes its own path, the movement of every hurricane is affected by a combination of factors, as described below. In the tropics, where hurricanes form, easterly winds called the trade winds steer a hurricane towards the west.