Regular variations in the winter atmospheric pressure over the northern Atlantic Ocean are associated with the ____
a. ?Polar Vortex oscillation
b. ?North American oscillation
c. ?Arctic oscillation
d. ?Atlantic multidecadal oscillation
e. ?North Atlantic oscillation
ANSWER: a
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Answer the following statement true (T) or false (F)
In which of the following locations is warm advection most likely to occur?
A. from the surface up to the 500 hPa level in front of a warm front B. in the centre of a cut-off low C. from the surface up to the 500 hPa level behind a cold front D. where the winds back with height
Compared to a trough, a ridge has ________ pressure
Fill in the blank(s) with the appropriate word(s).
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A. A; D B. A; C C. C; A D. C; B