Santa Ana winds
A) are moist.
B) are cold.
C) feature low dew-point temperatures.
D) occur when a low-pressure system sits over the Rocky Mountains.
E) hit Oregon the hardest.
Question 2Lenticular clouds
A) form upwind of mountains.
B) are favorite flying spots for pilots.
C) usually only last a few minutes.
D) are caused by gravity waves.
E) all of the above
Question 3Dust devils are created by
A) vertical wind shear.
B) horizontal wind shear.
C) solar heating.
D) severe thunderstorms.
E) derechos.
Question 4Katabatic winds
A) form over high, snowy plateaus.
B) are common in the eastern United States.
C) usually are quite gentle.
D) do not occur in Europe.
E) do not occur in Greenland.
Question 5A mountain breeze
A) can only occur in winter.
B) is caused by low pressure on upper slopes of a mountain.
C) peaks at sunset.
D) features cool air sinking downslope.
E) all of the above
Question 6A valley breeze
A) requires quickly warming mountainsides.
B) features high pressure on the upper slopes of a mountain.
C) occurs only at night.
D) frequently exceeds 30 miles per hour.
E) all of the above
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