GEOGRAPHY 304 Exam II

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Author:
llewopa
ID:
207090
Filename:
GEOGRAPHY 304 Exam II
Updated:
2013-03-15 13:14:10
Tags:
Geography 304
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Description:
Terms and concepts for GEOG 304 Exam II
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  1. Dryline
    The line between two air masses of differing humidity and temperature. Called the dryline because the border creates a line of distinctly dry weather compared to the other side of the line
  2. terminal velocity
    velocity precipitation must reach in order to fall from the sky
  3. collision
    raindrops or snowflakes collide with each other and grow
  4. aggregation
    the growing of precipitation through collision
  5. bergeron process
    amount f water vapor in the air keeps supercooled water droplets in equilibrium, but ice grows through deposition as water droplets shrink through evaporation
  6. warm cloud
    above freezing
  7. cool cloud
    part above part below freezing
  8. cold cloud
    entirely below freezing
  9. rimming
    supercooled water droplets collide with snow
  10. precipitation measurement tools
    rain guage, snow pillow
  11. dynamic air flow
    what is happening at the top of the troposphere
  12. mesoscale
    few miles to few hundred miles
  13. synoptic scale
    few 1000 miles
  14. cutoff low
    low pressure area cut off from main storm system
  15. zonal flow
    flow is horizontal, covers multiple zones
  16. meridonal flow
    vertical flow
  17. doppler radar
    allows us to see inside the cloud
  18. tornado recipe
    strong differences in pressure over short distances
  19. tornado alley
    cold dry air from north meets warm moist air from gulf. high wind shear aloft meets storm front, mesocyclonic storm or supercell
  20. marine layer
    inversion layer
  21. water temp necessary for hurricane
    80 degrees F depth of 100 feet

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