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Physical Geography Test 2

Terms

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Why do saturated parcels cool faster
WALR cools slower because of latent heat from condensation
Anticyclone
High pressure system associated with fair weather
Mature
strong updraft, induced downdraft, anvil top
Dissipating
Downdraft begins to dominate
Hurricanes
Circulation around a deep low pressure center, most damage due to storm surge
Occluded Front
Occurs when cold front catches up with a warm front
LCL
Ta=Td, parcel becomes saturated, clouds form
Return Stroke
Positive charge drains from ground to cloud
Input > Output
Surplus
Causes for climate change
volcanic eruptions, asteriod impact, solar variability, variation in earth's orbit, continental drift, ocean circulation change
Air mass t-storm
short-lived, isolated, weak
Zone of Aeration
holds soil moisture
Characteristics of a sinking parcel
Stable, Warmer
Output
Evapotranspiration
Super cell
large, long-lived, rotating storm
Confined Aquifers
impermeable layers above and below
DALR
5.5 degrees/1000 ft
ITCZ
form Tropical Rainforests
Characteristics of a stable atmosphere
Saturation, Cloud formation, (H) Pressure
Zone of Saturation
holds ground water
Microburst
Intense downdraft becomes localized creating circular damage with 100mph winds
Input
Precipitation
Unproven cause for climate change
CO2 emissions
4 Lifting Mechanisms
Convergence, Convection, Orographic, Frontal
WALR
3 degrees/1000 ft
Developing
Towering cumulus, updrafts
Adiabatic Process
No energy exchange, just lifting
Occluded Front
Boundary between two polar air masses
Subtropical High
form deserts
4 Air Mass Types
cP, cT, mP, mT
Tornados
Move to NE, Directional Wind Shear, Intense (L) Pressure
Stepped Leader
From cloud to ground, usually faint, invisible - negative charge
Convection lifting
due to surface heating
ELR
Change in environment's temperature with height
Charge Seperation
Friction between rising and sinking hail and water
Wider the tree rings
More growth
Warm Front Characteristics
Stratus, Slow, Widespread, S Winds, High humidity
3 ingredients for a thunderstorm
instability, moisture, lifting mechanism
Characteristics of a stable atmosphere
Parcel warmer the ELR, Rising Motions, Adiabatic Cooling
Life cycle of a thunderstorm
Developing, mature, dissipating
5 Climate Controls
Latitude, Altitude, Topography, Continentality, Prevailing Circulation
Flat line on a climograph
the more maritime the climate
Urban rates
low infiltration, high overland flow
Where the most evaporation, condensation, precipitation occurs
Over the Ocean
Thunder
Rapid expansion and contraction of air
Orographic lifting
windward side of the mountain
Hail
occures in the mature life cycle in the top of cloud below freezing
Cold Front Characteristics
Cumulus, Rapid, T-Storms, NW Winds, Low humidity
Flordia's Climate Classification
Humid Subtropical (Cf)
Lightning Parts
Charge Seperation, Stepped Leader, Return Stroke
Characteristics of a rising parcel
Unstable, Cooler
Field Capacity
Amount of moisture that can be held in the soil
Stationary Front
Seperates two non-advancing air masses

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