Term
CAPE: convective available potential energy |
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Definition
represents the amount of buoyant energy available to accelerate a parcel vertically, or the amount of work a parcel does on the environment |
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Definition
commonly utilized measure of stability which measures the difference between a lifted parcel's temp at 500 mb and the environmental temp at 500 mb |
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SWEAT: severe weather threat index |
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Definition
evaluates the potential for severe weather by combining several parameters into one index |
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Definition
accounts for both static stability and 850 mb moisture |
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Term
hurricane becomes a hurricane at what mph? |
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Definition
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when does a hurricane become intense? |
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Definition
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Term
what scale is used to measure hurricane category and by what? |
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Definition
saffir-simpson scale and it is based on wind speeds |
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Term
what three things are used in a longwave forecast? |
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Definition
sea surface temp surface map upper-level maps |
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Term
why is sea surface temps important |
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Definition
the warmer the ocean the better the conditions are for producing a strong hurricane |
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how are surface maps used? |
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Definition
they help determine the path of the hurricane |
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Term
why are upper level maps used? |
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Definition
help determine the storms path and intensity |
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Term
is wind shear good or bad for hurricanes? |
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Definition
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Term
is La Nina good or bad for hurricanes? |
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Definition
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Definition
measures the east west component of the wind at the 50 mb level - positive strong winds are bad and negative weak winds are good for hurricanes |
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Term
what is the current level of CO2? |
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Definition
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Term
how much has the sea level risen in the last century? |
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Definition
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Term
in the last 650,000 years there have been seven cycles of glacial advance and retreat. Why is the current warming trend of particular significance? |
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Definition
most of it is very likely human induced and proceeding at a rate that is unprecedented in the past 1300 years |
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Term
what is the greenhouse effect? |
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Definition
warming that results when the atmosphere traps heat radiating from earth toward space |
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Term
what is the most abundant greenhouse gas? |
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Definition
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Term
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Definition
initial drivers of a climate shift - solar irradiance is a examples |
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Definition
increases an initial warming |
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Definition
reduces an initial warming |
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Term
Nasa says that ______ are causing the Earth's waistline to spread |
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Definition
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Term
when the Earth was formed 4.6 billion years ago, how long was a day? |
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Definition
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Term
why is the earths rotation slowing down |
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Definition
the moon is slowing down earths rotation thru the tides that it creates |
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Term
what is snowball earth theory? |
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Definition
is when scientists believe that the earth nearly or completely froze several times |
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Definition
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Definition
National Hurricane Center |
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National Severe Storms Lab |
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Definition
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