Choose the best answer.
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1 | |
Why is surface air temperature measured at a standard height of 1.5 m (~5 feet)? |
| | A) | To allow the observer to read the temperature at eye level without stooping. |
| | B) | To ensure an accurate reading, insulated from surface effects. |
| | C) | By international law. |
| | D) | The winds are lighter at this level. |
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2 | |
Which of the following parameters is not included in a typical plotting model? |
| | A) | Maximum temperature. |
| | B) | Pressure tendency. |
| | C) | Cloud cover. |
| | D) | Precipitation type. |
| | E) | Visibility. |
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3 | |
Lines connecting areas of equal air pressure are called: |
| | A) | isotherms. |
| | B) | isobars. |
| | C) | isotachs. |
| | D) | height contours. |
| | E) | isallobars. |
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4 | |
Which of the following would not be able to be observed by an ASOS unit alone? |
| | A) | Rapidly falling barometric pressure. |
| | B) | Fog. |
| | C) | A shift in the wind direction associated with a frontal passage. |
| | D) | A tornado. |
| | E) | All of these things are observable by an unmanned ASOS unit. |
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5 | |
A station's sea level pressure is 997.3 mb. How would you encode this for a plotting model? |
| | A) | 9973. |
| | B) | 997. |
| | C) | 973. |
| | D) | 097. |
| | E) | 73. |
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6 | |
If heavy snow blocks your view of the sky, your report of sky cover would most correctly be: |
| | A) | clear. |
| | B) | scattered. |
| | C) | broken. |
| | D) | overcast. |
| | E) | obscured. |
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7 | |
Which of the following statements is false? |
| | A) | Frost is likely if the air is cooled to its (below freezing) dew point. |
| | B) | The dew point increases as precipitation evaporates into the air. |
| | C) | Water evaporates when air is cooled to its dew point. |
| | D) | A high value of relative humidity implies a low temperature-dew point spread. |
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8 | |
Which of the following locations would typically have the lowest station pressure? |
| | A) | New York, New York. |
| | B) | Flagstaff, Arizona. |
| | C) | New Orleans, Louisiana. |
| | D) | Denver, Colorado. |
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9 | |
03:00 UTC on May 11 (Friday) would correspond to what time in Boston, Massachusetts? |
| | A) | 11:00 pm EDT, May 10 (Thursday). |
| | B) | 11:00 pm EDT, May 11 (Friday). |
| | C) | 11:00 am EDT, May 11 (Friday). |
| | D) | 10:00 pm EST, May 10 (Thursday). |
| | E) | 10:00 pm CDT, May 10 (Thursday). |
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10 | |
All of the following statements refer to weather, except for: |
| | A) | the high temperature on a given day. |
| | B) | the peak wind speed and direction on a given day. |
| | C) | the normal low temperature on a given day. |
| | D) | the relative humidity at 3:00 pm on a given day. |
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2002 McGraw-Hill Higher Education