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ATSC 231 Block 2 Exam Practice
Questions and Answers 100% Pass
what direction does the wind blow around a low pressure system - ✔✔counterclockwise
what direction does the wind blow around a high pressure system - ✔✔clockwise
what type of pressure is plotted on a surface analysis chart - ✔✔sea level pressure
two stars of snow on the surface observation means what? - ✔✔light snow
three stars of snow on the surface observation means what? - ✔✔moderate snow
four stars of snow on the surface observation means what? - ✔✔heavy snow
what cloud layer does the graphical METAR report - ✔✔ceiling only
what is the purpose of the surface analysis chart - ✔✔gives the big picture of surface conditions, use for
locating pressure systems and fronts, overview of winds, temperatures, dew points
* on graphical METAR means - ✔✔snow
' on graphical METAR means - ✔✔drizzle
. on graphical METAR means - ✔✔rain
what color is LIFR on the CVA chart - ✔✔purple
what color is terrain obstruction on CVA chart - ✔✔orange
what color is IFR overlay on CVA chart - ✔✔yellow
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what color is VFR on CVA chart - ✔✔green
what color is MVFR on CVA chart - ✔✔blue
what color is IFR on CVA chart - ✔✔red
is the CVA a forecast - ✔✔no, observation
what are the two things that can make a field go IFR - ✔✔ceiling and visibility
how often do modern satellites give images - ✔✔every 5 minutes
what satellite has an orbit of 22,300 mi - ✔✔geostationary
what do we call our geostationary satellites in the US - ✔✔GOES
three types of satellite imagery - ✔✔visible, infrared, water vapor
what is one of the challenges of infrared satellite imaging and clouds - ✔✔stratus clouds and fog are hard
to distinguish between
what are the two things that are enhanced in infrared observations - ✔✔temperature and color
what does dual polarization do for us - ✔✔eliminate radar clutter
equation for linear width of radar beams - ✔✔1 degree beam = 100 ft at 1nm
what does TDWR stand for - ✔✔terminal doppler weather radar
what does an old weather phenomenon look like - ✔✔comma cloud
what does radar stand for - ✔✔radio detection and ranging
what does a new weather phenomenon look like - ✔✔petal or leaf
C band is used for what - ✔✔ground based weather radar
Emily Charlene © 2025, All Rights Reserved.
ATSC 231 Block 2 Exam Practice
Questions and Answers 100% Pass
what direction does the wind blow around a low pressure system - ✔✔counterclockwise
what direction does the wind blow around a high pressure system - ✔✔clockwise
what type of pressure is plotted on a surface analysis chart - ✔✔sea level pressure
two stars of snow on the surface observation means what? - ✔✔light snow
three stars of snow on the surface observation means what? - ✔✔moderate snow
four stars of snow on the surface observation means what? - ✔✔heavy snow
what cloud layer does the graphical METAR report - ✔✔ceiling only
what is the purpose of the surface analysis chart - ✔✔gives the big picture of surface conditions, use for
locating pressure systems and fronts, overview of winds, temperatures, dew points
* on graphical METAR means - ✔✔snow
' on graphical METAR means - ✔✔drizzle
. on graphical METAR means - ✔✔rain
what color is LIFR on the CVA chart - ✔✔purple
what color is terrain obstruction on CVA chart - ✔✔orange
what color is IFR overlay on CVA chart - ✔✔yellow
Emily Charlene © 2025, All Rights Reserved.
, 2|Page
what color is VFR on CVA chart - ✔✔green
what color is MVFR on CVA chart - ✔✔blue
what color is IFR on CVA chart - ✔✔red
is the CVA a forecast - ✔✔no, observation
what are the two things that can make a field go IFR - ✔✔ceiling and visibility
how often do modern satellites give images - ✔✔every 5 minutes
what satellite has an orbit of 22,300 mi - ✔✔geostationary
what do we call our geostationary satellites in the US - ✔✔GOES
three types of satellite imagery - ✔✔visible, infrared, water vapor
what is one of the challenges of infrared satellite imaging and clouds - ✔✔stratus clouds and fog are hard
to distinguish between
what are the two things that are enhanced in infrared observations - ✔✔temperature and color
what does dual polarization do for us - ✔✔eliminate radar clutter
equation for linear width of radar beams - ✔✔1 degree beam = 100 ft at 1nm
what does TDWR stand for - ✔✔terminal doppler weather radar
what does an old weather phenomenon look like - ✔✔comma cloud
what does radar stand for - ✔✔radio detection and ranging
what does a new weather phenomenon look like - ✔✔petal or leaf
C band is used for what - ✔✔ground based weather radar
Emily Charlene © 2025, All Rights Reserved.
