Structure Of A Hurricane Flashcards
What type of storm is a hurricane
A tropical cyclone
Two words to describe a tropical cyclone
Dynamic and 3 dimentional
What is a hurricane
A low pressure storm where winds exceed 74mph and air pressure drops below 970mb
What happens at the lower surface of a hurricane
A strong convergence at the lower surface followed by a rapid upward movement in the vortex and divergence aloft
What is at the centre of the hurricane, describe it
At the centre of the hurricane is the central eye which can measure 50km in diameter. The eye is the calmest part of the hurricane which is characterised by defending air currents from the stratosphere
What surrounds the eye in the centre of the hurricane,
The eye wall surrounds the eye. The eye wall consists of strong ANTI-CLOCKWISE winds which can exceed 240km/hr.
What surrounds the eye wall in a hurricane
Surrounding the eye wall there are towering bands of cumulonimbus clouds with an outer ring of cumulous clouds