Large global wind systems are created by the uneven heating of the Earth's surface. ... Unequal heating of the Earth's surface also forms large global wind patterns. In area near the equator, the sun is almost directly overhead for most of the year. Warm air rises at the equator and moves toward the poles.
The hawaiian islands are north of the equator
Mount McKinley is the tallest US mountain and Mount Everest is the tallest southwest asian mountain, therefore the tallest mountains in southwest asia are taller than the tallest mountains in the US