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.
Hurricane Camille of 1969 had a central pressure of 905 mb near landfall, good for about 3.5 feet of storm surge. Hurricane Katrina had a central pressure between 918 and 927 mb at landfall, creating about 3 feet of storm surge.