WX 201 Exam 2 QUESTIONS WITH
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ANSWERS
Analysis Chart - CORRECT ANSWERS ✔✔Depict actual
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data obtained at a given observation time
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Forecast Chart - CORRECT ANSWERS ✔✔Computer model
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charts predicting future conditions of the atmosphere;
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surface charts and upper level charts are created
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Constant altitude charts - CORRECT ANSWERS ✔✔All
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locations at the same altitude above ground level (for
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surface analysis, pressures are typically adjusted to MSL)
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Constant pressure charts - CORRECT ANSWERS ✔✔all
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locations on the chart have the same pressure; contour
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lines of equal height of the atmospheric column to that
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pressure level; typically used for elevated levels of the
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atmosphere such as 700 and 500 mb |\ |\ |\ |\ |\ |\
How are surface analyses created? - CORRECT ANSWERS
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✔✔-NOA/NWS is the primary source of data in the U.S |\ |\ |\ |\ |\ |\ |\ |\ |\
-Identify: lows, highs, thoughts, ridges, fronts and station
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model symbols |\
, Isobaric charts - CORRECT ANSWERS ✔✔-Acquired
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through radiosondes, satellite, and aircraft
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Upper Air Station Model - CORRECT ANSWERS
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✔✔Temperature, wind, dew point, height |\ |\ |\ |\
Standard Pressure Levels - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔1013mb- 0 ft |\ |\
850mb- 5,000 ft |\ |\
700mb- 10,000 ft |\ |\
500mb- 18,000 ft |\ |\
300mb- 30,000 ft |\ |\
250mb- 39,000 ft |\ |\
Location of jet streams - CORRECT ANSWERS ✔✔-Bands
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of strong wind at tropopause level
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-Clear air turbulence |\ |\
- lead to development and movement of cyclones
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Vertical Motion - CORRECT ANSWERS ✔✔-Rising motion =
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air expands and cools = clouds and precipitation may
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form if the air is sufficiently humid
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|\ |\ |\ |\ |\ |\
ANSWERS
Analysis Chart - CORRECT ANSWERS ✔✔Depict actual
|\ |\ |\ |\ |\ |\ |\
data obtained at a given observation time
|\ |\ |\ |\ |\ |\
Forecast Chart - CORRECT ANSWERS ✔✔Computer model
|\ |\ |\ |\ |\ |\ |\
charts predicting future conditions of the atmosphere;
|\ |\ |\ |\ |\ |\ |\
surface charts and upper level charts are created
|\ |\ |\ |\ |\ |\ |\
Constant altitude charts - CORRECT ANSWERS ✔✔All
|\ |\ |\ |\ |\ |\ |\
locations at the same altitude above ground level (for
|\ |\ |\ |\ |\ |\ |\ |\ |\
surface analysis, pressures are typically adjusted to MSL)
|\ |\ |\ |\ |\ |\ |\
Constant pressure charts - CORRECT ANSWERS ✔✔all
|\ |\ |\ |\ |\ |\ |\
locations on the chart have the same pressure; contour
|\ |\ |\ |\ |\ |\ |\ |\ |\
lines of equal height of the atmospheric column to that
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
pressure level; typically used for elevated levels of the
|\ |\ |\ |\ |\ |\ |\ |\ |\
atmosphere such as 700 and 500 mb |\ |\ |\ |\ |\ |\
How are surface analyses created? - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\ |\
✔✔-NOA/NWS is the primary source of data in the U.S |\ |\ |\ |\ |\ |\ |\ |\ |\
-Identify: lows, highs, thoughts, ridges, fronts and station
|\ |\ |\ |\ |\ |\ |\ |\
model symbols |\
, Isobaric charts - CORRECT ANSWERS ✔✔-Acquired
|\ |\ |\ |\ |\ |\
through radiosondes, satellite, and aircraft
|\ |\ |\ |\
Upper Air Station Model - CORRECT ANSWERS
|\ |\ |\ |\ |\ |\ |\
✔✔Temperature, wind, dew point, height |\ |\ |\ |\
Standard Pressure Levels - CORRECT ANSWERS |\ |\ |\ |\ |\ |\
✔✔1013mb- 0 ft |\ |\
850mb- 5,000 ft |\ |\
700mb- 10,000 ft |\ |\
500mb- 18,000 ft |\ |\
300mb- 30,000 ft |\ |\
250mb- 39,000 ft |\ |\
Location of jet streams - CORRECT ANSWERS ✔✔-Bands
|\ |\ |\ |\ |\ |\ |\ |\
of strong wind at tropopause level
|\ |\ |\ |\ |\
-Clear air turbulence |\ |\
- lead to development and movement of cyclones
|\ |\ |\ |\ |\ |\ |\
Vertical Motion - CORRECT ANSWERS ✔✔-Rising motion =
|\ |\ |\ |\ |\ |\ |\
air expands and cools = clouds and precipitation may
|\ |\ |\ |\ |\ |\ |\ |\ |\ |\
form if the air is sufficiently humid
|\ |\ |\ |\ |\ |\
