Test 3 Flashcards
Cyclonic
Converge at bottom
Diverge at top
Anticyclonic
Converge at top and diverge at bottom
Never cross the t
From left to right
If you must cross the t, do it
From right to left and greater than 300nm
Right semi circle
Dangerous
Left semi circle
Navigable
Downward motion of air is known as
Subsidence
Increased air temperature with height
Inversión
Type of cold anticyclone
Transitory cold anticyclone
Types of warm anticyclone
Permanent and temporary
Beaufort force <7
Tropical depression
Beaufort force 8-9
Moderate tropical depression
Force 10-11
Severe tropical storm
Force 12
Hurricane
Tropical storm normally don’t form around 5* of equator due to
Coriolis is too small
After forming, head
Westerly and often recurve
Eye
Vortex
Speed can increase to
10-12 knots
Eye tropical storm approximately
40 miles
Pressure about
960
Winds are strongest on side of storm that is
Nearest the adjacent subtropical high
TRS cloud sequence
Cirrus
Altostratus
Cumulus fractus
Scud and nimbostratus
TRS you will notice LT rain about
100-150 miles from eye
Swell can be noticed up to
1000 miles
Swell can increase tide level
18 feet
Storm tide can start to rise
1-2 days before landfall
Swell makes landfall
300-500 miles from center
Size of tropical cyclones
50-1000 miles but normally 50-500
Average rate of progress is about
300 miles per day
Worst month for Hurricane
September averages 2 over a polled 80 year period
Western North Pacific and China sea
Typhoon
Eastern North Pacific
Hurricane
South Indian Ocean
Cyclone
