What is a squall line? Where would you expect squall lines to form?
A squall line is a line of multicell thunderstorms. They may form directly along a cold front and extend for hundreds of kilometers. Squall lines can also form in the warm air 100 to 300 km out ahead of the cold front. These storms are called pre-frontal squall line thunderstorms and represent the largest and most severe types of squall-lines in the middle latitudes. Squall lines are one type of a mesoscale convective system (MCS).
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The 1993 flood in the central United States was caused by ________.
A. a single large rainstorm over a large area B. a series of dam failures after an earthquake C. several storms building up excess moisture over several months over much of the Upper Mississippi River Drainage Basin D. rapid melting of record winter snows during the spring
Sea surface salinity is a function of ________ and ________.
What will be an ideal response?
Why would intrusive rocks chemically weather more quickly than extrusive rocks? Why would mafic rocks chemically weather more easily than felsic rocks?
What will be an ideal response?
Mantle convection involves the asthenosphere moving upward due to its lower
A. mineral content. B. temperature. C. density.