weather gap filling
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4 Terms
cyclone ingredients
start as disturbances over warm ocean (pre-existing tropical low)
DALR<ELR
warm ocean down to 50m
moist in mid-troposphere
moisture and heat deepen and intensify lows
minimal vertical wind shear
> 5 degrees from equato
extratropical cyclone ingredients
a low pressure system that gets energy from horizontal temperature contrasts
cyclogenesis: cold and warm air masses interact in an unstable environment → causes convection
large temp. gradients at high latitudes, why antarctic latitudes have lots of cyclogenesis
especially when air gets cold over land and warms quickly over the ocean.
thunderstorm/tornado ingredients
cumulus clouds gradually moistening with lots of convection, reaching lifting condensation level when parcel becomes saturated
LIFT
moisture for clouds
instability (SALR<ELR)
warm moist air at surface, cooler drier air aloft (mexico)
supercell thunderstorms have rotating violent updraft
organised has cells organising in larger group
multi-cell is several cells
n
Note 
Flashcards (28)