ATSC 231 Block 2 Question and answers verified to pass
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Course
ATSC 231
Institution
ATSC 231
ATSC 231 Block 2 Question and answers verified to pass
purpose of the Surface Analysis Chart - correct answer atmospheric phenomena occurring at one time sea level pressure, positions of highs/lows, fronts, etc.
identify the types of analysis that are performed on a Surface AnalysisChart - ...
ATSC 231 Block 2 Question and answers
verified to pass
purpose of the Surface Analysis Chart - correct answer ✔atmospheric
phenomena occurring at one time sea level pressure, positions of highs/lows,
fronts, etc.
identify the types of analysis that are performed on a Surface AnalysisChart -
correct answer ✔-Frontal
- Isobaric
Isobar - correct answer ✔Lines of constant pressure
Trof - correct answer ✔elongated area of low pressure
Ridge - correct answer ✔an elongated area of high pressure
Isobar relationship to PGF - correct answer ✔closer the spacing of isobars,
the stronger the pressure gradient force. stronger the pressure gradient force,
the stronger wind.
What causes wind to blow? - correct answer ✔Wind goes from high pressure
to low pressure
How does wind direction relate to pressure? - correct answer ✔When facing
along an isobar or contour with lower pressure on your left, the wind will be
blowing at your face
,displays available at the Aviation Weather Center's ADDS METARs webpage
- correct answer ✔Interactive and static
plot options to display the desired information using the METAR interactive
display - correct answer ✔Temp (F), Altimeter (inches HG), visibility
(decimal), wind (knots), sky cover, weather, category, radar, or tafs
when surface visibilities are rounded on a station model - correct answer ✔⅜
and below= .3
½= .5
¾=.8
1.5&1.75=2
2.5&3=3
sustained and gust wind values from a station model - correct answer
✔Gusts are in red on wind barb
ceiling from a station model - correct answer ✔100s ft AGL
LIFR station model - correct answer ✔Magenta, < 500 ft AGL and/or < 1 sm
IFR station model - correct answer ✔Red, ≥ 500 ft AGL but < 1,000 ft AGL
and/or ≥ 1 sm but < 3 sm
MVFR station model - correct answer ✔blue, 1,000 to 3,000 ft AGL and/or 3
to 5 sm
VFR station model - correct answer ✔Green, > 3,000 ft AGL and > 5 sm
, identify how often the static display is updated - correct answer ✔Every 5
mins
describe the concept of isobaric pressure surfaces - correct answer
✔connecting points of equal atmospheric pressure at a specific level,
regardless of geographic location
925mb - correct answer ✔2,400ft MSL
850mb - correct answer ✔5,000ft MSL
700mb - correct answer ✔10,000ft MSL
500mb - correct answer ✔18,000ft
300mb - correct answer ✔30,000ft
250mb - correct answer ✔34,000ft
200mb - correct answer ✔39,000ft
Temperature F or C constant pressure chart - correct answer ✔c
station model from a Constant Pressure Chart contains - correct answer
✔temperature, wind direction and speed, and dew point depression
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