North America - METC 331 Exam 3 pt.2
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28 Terms
the climate setting of extratropical North America is
wide ranging
extratropical North America has a large range of
latitude, longitude
2,3,4 climate setting of extratropical NA.
continentality, Gulf of Mexico and Gulf Stream, North/south orientated Mtns
Allen, SD
Point of inaccessibility, 1030 miles from the coast
The gulf of mexico and gulf stream reduce
continentality, mT air influence
The gulf of mexico and gulf stream increase
baroclinicity
North/south orientated mountains enhance
baroclinicity
North/south orientated mountains are associated with
supercells and tornadoes, strong mid lat cyclones
with north/south orientated mountains, there are no
Lat restrictions on polar/tropical air
6 significant regional climate features of NA
Great lakes, mtn effects, SW Monsoon, Hurricanes, tornadoes, nor’easters
the great lakes do what
moderate temps (reduces temp range)
The lake effects of the great lakes in the fall/winter are
Rain and Snow
The lake effects of the great lakes in the spring/summer are
bonus sunshine
Mtn effects
chinook winds, santa ana winds, cold air damming
the chinook winds are caused by
rain shadows
The chinook winds are
dry, downsloping winds lee of rockies, alberta, Colorado
The santa ana winds are also known as the
devil winds
The santa ana winds form a ___ ____ over the Great Basin
High pressure
The santa ana winds are
dry, downsloping winds, 30-40mph 60, 80, 100 mph
cold air damming is
cold trapped air east of the appalachians, ice, snowstorm
the SW monsoon is
thermal (heat) low over AZ, late summer precipitation
The SW monsoon is caused by
low level moisture from the gulf of california and upper level moisture from Gulf of Mexico
Hurricanes are found on
eastern + gulf coasts, Mexico and caribbean
Tornadoes are most common between
Rockies + Appalachians
Tornadoes are deadliest in
the Deep South
Nor’easters are
intense east coast cyclones, strong northeast winds
Nor’easters cause
beach erosion, flooding, heavy snow