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WX 301 EXAM 1 WITH QUESTIONS AND VERIFIED ANSWERS
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WX 301 EXAM 1 WITH QUESTIONS AND VERIFIED ANSWERS...
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WX 301 EXAM 1 WITH QUESTIONS ANDVERIFIED ANSWERS
Why is a direct comparison of station pressures difficult? - ANSWER Weather
stations are often at different altitudes
You're flying in Europe and the altimeter setting is reported as 988mb. What is the
altimeter setting in inches Hg? Recall 1013.2mb ~ 29.92 "Hg - ANSWER
29.17"Hg
Altimeter setting and sea level pressure (SLP) both provide estimates of the
pressure at a station if that station were lowered all the way to mean sea level? -
ANSWER True
Altimeter setting and sea level pressure (SLP) are calculated the same way and
provide the same value, just in different units (inches mercury versus millibars). -
ANSWER False
The aneroid barometer at your station reads 27.57"Hg. If the station elevation is
2,000ft, what is the altimeter setting? - ANSWER 29.65"Hg
For the same station as above, what is the altimeter setting if your station pressure
is 27.32"Hg? - ANSWER 29.38"Hg
At what Pressure Altitude (PA) does 27.32"Hg occur? - ANSWER 2,500 ft MSL
If your station elevation is 1,250ft MSL and your altimeter setting is 30.19"Hg,
what is the pressure altitude at the station (i.e., the surface PA)? - ANSWER 1000
ft MSL
What is the PA conversion factor for question 8, i.e., how much height must you
add to the station elevation to get the surface PA? - ANSWER -250 ft MSL
For the same station as in question 8 and 9, above, what would be the new surface
PA if the altimeter setting was instead being reported as 29.65 "Hg? - ANSWER
1500 ft MSL
What is the new PA conversion factor for the above question? - ANSWER +250 ft
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