Elements of Aviation Weather Final Exam Review Questions And Answers

Elements of Aviation Weather Final
Exam Review Questions And Answers
____________kdoesknotkcontributektokweatherkproducingkprocesseskinkthekEarth'skatmosp
here.k-kCORRECTkkANSWER-Nitrogen

____________________kiskthekbalancekbetweenkthekvacuumkofkspacekandkthekforcekofkgr
avitykandkitkkeepskourkatmospherekstuckktokthekEarthk(twokwordkanswer)k-
kCORRECTkkANSWER-hydrostatickbalance




AkBoeingk747kflyingkatk38,000kft.kwouldkhavekapproximatelyk_____k%kofkthekEarth'skatmosp
herickpressurekbelowkit.k-kCORRECTkkANSWER-80

Akconstantkpressurekchartkis
-akchartkwithklineskofkequalkpressure,kcalledkisobars.
-aklevelksurfacekchart.
-akchartkwherekthekpressurekisktheksamekatkallkpoints.
-akchartkthatkdepictskvariouskpressureskatkthekvariouskelevationskandkaltitudes.k-
kCORRECTkkANSWER-akchartkwherekthekpressurekisktheksamekatkallkpoints.




Akgroupkofkparticulateskthatkinterceptksolarkandkterrestrialkradiationkarekcalledk_________?k
-GreenhousekGasesk
-Aerosolsk
-O3
Nucleik-kCORRECTkkANSWER-Aerosols

Aklarge-scalekweatherkpatternkmustkhavektwokcharacteristicsktokproducekleekwavekactivity:
-Windskspeedskacrosskthektopkofkthekmountainkmustkbekatkleastk20kknots.
-Therekmustkbekakstableklayerkjustkabovekthekmountain.
-Windskspeedskacrosskthektopkofkthekmountainkmustkbekbelowk20kknots.
-Therekmustkbekakunstableklayerkjustkabovekthekmountain.k-kCORRECTkkANSWER--
Windskspeedskacrosskthektopkofkthekmountainkmustkbekatkleastk20kknots.
-Therekmustkbekakstableklayerkjustkabovekthekmountain.

Akmeasurekofkthekmotionk(kinetickenergy)kinkakparcelkofkatmospherekisk___________?
-Densityk
-Temperature

,-Pressure
-PressurekAltitudek-kCORRECTkkANSWER-Temperature

Abovekthekconvectivekcondensationklevel,kairkcoolskat
-akvariablekrate
-atkakratekofk3kdegreeskCelsiuskperk1000kfeetkofkaltitude.
-theksaturatedkadiabaticklapsekrate.
-atkthekdrykadiabaticklapsekrate.k-kCORRECTkkANSWER--akvariablekrate
-theksaturatedkadiabaticklapsekrate.

Ankairkparcelkiskdefinedkas
-
akvolumekofkthekatmospherekthatkisktreatedkaskifkitkwerekconcentratedkoverkankentirekgridksq
uare.
-
akvolumekofkthekatmospherekthatkisklargekenoughksokthatkitskmasskcankbektreatedkaskifkitkfille
dkankentirekgridksquare.
-
akvolumekofkthekatmospherekthatkisksmallkenoughksokthatkitskmasskcankbektreatedkaskifkitkwer
ekconcentratedkatkaksinglekpoint.
-akvolumekofkthekatmospherekthatkisksmall.k-kCORRECTkkANSWER-
akvolumekofkthekatmospherekthatkisksmallkenoughksokthatkitskmasskcankbektreatedkaskifkitkwer
ekconcentratedkatkaksinglekpoint.

AnkairkparcelkthatkundergoeskOrographickLiftingkwillkalsok_________k__________.
-Becomekmorekdense
-Adiabaticallykcool
-Gainklatentkheat
-Adiabaticallykwarmk-kCORRECTkkANSWER-Adiabaticallykcool

AnkaircraftkdescendingkfromkthekcappingkstableklayerkthroughkaklayerkofkCUkintokthekdrykcon
vectiveklayerkbelowkcloudkbasekwillkencounterkpersistentkLLTkduektokdrykthermalskinkthekcon
vectivekboundaryklayer.
-True
-Falsek-kCORRECTkkANSWER-True

Ankairmasskiskmodifiedkdependingkuponkthekspeedkatkwhichkitkmoveskawaykfromkitsksourcek
region.kIfkitkmovesk_____________,ktherekisk_______________kchange.
-slow,klittle
-fast,klittlek
-fast,kaklotkofk-kCORRECTkkANSWER-fast,klittle

Ankairmasskthunderstormskis
-"severe"
-producedkbyklocalkairmasskstability
-maykproduceksmallkhailkandkwindkgustskthatkareklesskthank50kknots.

, -"ordinary"k-kCORRECTkkANSWER--"ordinary"
-maykproduceksmallkhailkandkwindkgustskthatkareklesskthank50kknots.

AnkelongatedkareakofkLowkPressurekiskcalledk___________?
-Trough
-Semi-permanent
-Ridge
-PressurekGradientk-kCORRECTkkANSWER-Trough

Approximatelyk50%kofkthekEarth'skatmospherickpressurekexistskbelowk________kft.?
-18,000
-30,000
-24,000
-10,000k-kCORRECTkkANSWER-18,000

AsksolarkradiationkenterskthekEarth'skatmosphere,k
-approximatelyk20%kisklostkduektokalbedo.
-approximatelyk30%kiskreflectedkbackktokspacekorkscatteredkbykcloudskandkother.
-approximatelyk20%kiskabsorbedkbykatmospherickgaseskandkclouds.
-approximatelyk50%kiskabsorbedkbykthekEarth.k-kCORRECTkkANSWER--
approximatelyk30%kiskreflectedkbackktokspacekorkscatteredkbykcloudskandkother.
-approximatelyk20%kiskabsorbedkbykatmospherickgaseskandkclouds.
-approximatelyk50%kiskabsorbedkbykthekEarth.

Atmospherickinstability
-iskassociatedkwithkhighkpressureksystems.
-promoteskverticalkmotions
-iskwhenkthekairkparcelkreturnsktokitskoriginalkposition.
-
iskdeterminedkbykconsideringkthekbehaviorkofkakparcelkofkairkafterkitkreceiveskaksmallkvertical
kdisplacement.

-iskassociatedkwithkconvectiveklifting.k-kCORRECTkkANSWER--promoteskverticalkmotions
-
iskdeterminedkbykconsideringkthekbehaviorkofkakparcelkofkairkafterkitkreceiveskaksmallkvertical
kdisplacement.

-iskassociatedkwithkconvectiveklifting.

Aviationkturbulencekiskakstatekofkthekatmosphere,knotkbasedkuponkthekresponsekofkthekaircr
aft.
-True
-Falsek-kCORRECTkkANSWER-False

Bothkdustkdevilskandkthermalskdevelopkakdistinctkcirculation.
-True
-Falsek-kCORRECTkkANSWER-False