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- 1. Multiple ChoiceA psychrometer is used to determine which weather variables?Wind speed and wind directionPercentage of cloud cover and cloud heightAir pressure and air temperatureOption 3 (optional)Relative humidity and dew point
- 2. Multiple ChoiceIn the Northern Hemisphere, surface winds around the center of a hurricane moveClockwise and inwardClockwise and outwardCounterclockwise and inwardCounterclockwise and outward
- 3. Multiple ChoiceIf air has a dry-bulb temperature of 2°C and a wet-bulb temperature of –2°C, what is the relative humidity?11%20%36%67%
- 4. Multiple Choice
The weather station model below shows some of the weather data for a certain location. What is the wind speed shown on the station model and which instrument is used to measure the wind speed?15 knots, measured by a wind vane15 knots, measured by an anemometer25 knots, measured by a wind vane25 knots, measured by an anemometer - 5. Multiple ChoiceWhich station model shows an air temperature of 75°F and a barometric pressure of 996.3 mb?1234
- 6. Multiple ChoiceWhich map best represents the surface wind pattern around Northern Hemisphere high-pressure and low-pressure centers?1234
- 7. Multiple ChoiceWhat is the dew point when the dry-bulb temperature is 12°C and the wet-bulb temperature is 7°C?1°C–5°C28°C48°C
- 8. Multiple ChoiceThe station model below shows some weather conditions at a location on Earth’s surface. What weather conditions are occurring at this location?Freezing rainFogSnowRain
- 9. Multiple ChoiceWhich weather instrument is used to determine wind direction?1234
- 10. Multiple ChoiceThe map below indicates an air-pressure field over North America. Isobar values are recorded in millibars. At which city was the greatest wind speed occurring?BoiseDenverKansas CityAustin
- 11. Multiple ChoiceA change in the type and location of large high-pressure systems (H) and large low-pressure systems (L) over Asia creates shifts in prevailing winds that cause a rainy summer season and a dry winter season in southern Asia. Which set of maps below best represents the type and location of pressure systems and the wind pattern around these pressure systems that cause these seasonal changes?1234
- 12. Multiple ChoiceWhich station model represents a location that has the greatest chance of precipitation?1234
- 13. Multiple ChoiceThe weather station model shown below indicates that winds are coming from thesoutheast at 10 knotsnorthwest at 10 knotssoutheast at 20 knotsnorthwest at 20 knots
- 14. Multiple ChoiceWhich type of air mass most likely has high humidity and high temperature?cPcTmTmP
- 15. Multiple ChoiceWhat is the relative humidity if the dry-bulb temperature is 16°C and the wet-bulb temperature is 10°C?45%33%14%4%
- 16. Multiple ChoiceThe table below shows the air temperature and dewpoint at each of four locations, A, B, C, and D.ABCD
- 17. Multiple ChoiceThe cross section of the atmosphere below represents the air motion near two frontal boundaries along reference line XY on Earth’s surface. What type of front and pressure system is approaching Buffalo?Cold Front and a high pressure systemCold Front and a Low pressure systemWarm Front and a high pressure systemCold Front and a Low pressure system
- 18. Multiple ChoiceWhich weather instrument is used to measure air temperatures recorded on a weather map?anemometerwind vanethermometerbarometer
- 19. Multiple ChoiceThe dewpoint is 15°C. What is the wet-bulb temperature on a sling psychrometer if the dry-bulb temperature is 18°C?16°C2°C3°C20°C
- 20. Multiple ChoiceThe graphs show air temperatures and dewpoints in °F, and wind speeds in knots (kt) from 2:00 a.m. to 11:00 p.m. at a certain New York State location. What time of day will it be likely to rain?6 a.m.4 p.m.12 noon6 p.m.
- 21. Multiple ChoiceWhat was the relative humidity at 8:00 p.m.?30%45%75%100%
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