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22 Cards in this Set

  • Front
  • Back
what type of air mass is associated with these loations?

washington state
maritime polar
what type of air mass is associated with these loations?

Mississippi
maritime tropical
what type of air mass is associated with these loations?

west texas
continental tropical
what type of air mass is associated with these loations?

southern california
maritime tropical
what type of air mass is associated with these loations?

wisconsin
continental polar
what type of front id formed when warm air moves up over a wedge of colder retreating air ?
warm front
what type of front shows little or no movement ?
stationary front
what type of fron tproduces severe weathere durin ghte initial forming stages ?
occluded front
which front is associated with an abrupt drop in temperature, a shift inwind with wind gusts, and a rapid rise in barometric pressure ?
cold fronts
what effect does heavy cloud coverage and heavy rain have on radar ?
rdar range is reduced because of attenuation
how is radar energy lost in attenuation ?
scattering an absorption
what is the troposhere?
lowest layer of earths atmosphere where weather occurs
what causes the bending or refraction f radar energy ?
the structure of the troposphere
what are the four basic types of refraction ?
1. subrefraction
2. normal refraction
3. superrefraction
4. trapping
which type of refraction causes radarr energy to be curved upward ?
subrefraction
which type of refraction occurs during cloudy, rainy weather with strong winds ?
normal refraction
which type of refraction causes radar energy to be curved downward more sharply than normal but not as much as the curvature of the earth ?
superrefraction
which type of refraction causes radar energy to be curved downward equal to or greater than the curvature of the earth ?
trapping
what is one problem caused by strong weather return ?
masking effect or shadow area
what ype of weather report format is now the standard and is used worldwide ?
METAR
encode or decode as appropriate, each of the following standard surface observations:

METAR report, location identifier papa hotel november lima, date/time one niner two three zero zero, wind one three zero degrees at twenty, visibility three, runway visual range one four right four thousand, patches rain and fog, sky condition one thousand scattered and ceiling two thousand five hundred broken, temperature three on dew point two six, altimeter two eight five two
METAR PHNL 1922300z 13020Kt 3sm R14R/4000Ft BCRA FG Sct010 BKN 025 13/26 A285.2
what are the two basic uses of winds aloft ?
1. to compute and forcast radiation fall out
2. to compute corrections for interceptor headings