Meteorology Practice Hall 2023

Name: ______________________________________________ Date: _____________ WKST # Meteorology Practice Base your answers to questions 1 – 10 on the weather map below. The map shows a low pressure system and some atmospheric conditions at weather stations A, B, and C. 1. What is the symbol for the warm and moist air mass? 2. What is the symbol for the cold and dry air mass 3. Where did the warm air mass originate? 4. Where did the cold air mass originate? 5. Which weather station (A, B, or C) has 100% relative humidity? 6. Which weather station (A, B, or C) will show colder temperatures within the next couple days? 7. In what direction is the wind blowing toward in weather station C? 8. List three things that indicate that this is a low pressure area on the map above. 9. Which cross sections below best represents the air masses, air movement, clouds and precipitation occurring behind and ahead of the warm front located between stations A and B?

10. The arrows on which map best represent the direction of surface winds associated with this low-pressure system? Base your answers to questions 11 through 21 on the map below, which shows sea-level air pressure, in millibars, for a portion of the eastern coast of North America. Points A, B, C, and D are sea- level locations on Earth’s surface. 11. What weather instrument was used to measure the air pressures? 12. Which location (A, B, C, or D) recorded the highest wind speed? 13. Which location (A, B, C, or D) is in the center of a high pressure area? 14. Which location (A, B, C, or D) is in the center of a low pressure area? 15. What is the approximate air pressure of location D? 16. Between points A and B, which direction is the wind blowing? Towards 17. Which location (A or C) is the wind blowing counter clockwise? 18. At which location (A or C) is the wind blowing in a clockwise direction? 19. In which direction do the prevailing winds carry our weather systems across the United States? 20. At which location (A, B, C, or D) is the air rising? 21. At which location (A, B, C, or D) is the air sinking?

More Regents Questions: Base your answers to questions 1 through 8 on the weather map below showing part of the United States. 1. Name the type of air mass that is located over Binghamton, New York 2. Name the type of air mass that is located over Chicago, Illinois. 3. What is the present weather in P ittsburgh ? 4. What is the relative humidity at Watertown? % Explain how you determined this. 5. The arrows on which map best represent the direction of surface winds associated with the high-pressure and low-pressure systems?

A) B) C) D) 6 . A cross section of a weather front is shown below. Which symbol would be used to represent this front on a weather map? Base your answers to questions 7 and 8 on the weather map below and on your knowledge of Earth science. The weather map shows a typical low-pressure system and associated weather fronts labeled A and B. The L indicates the center of the low-pressure system. A few New York State cities are shown. Symbols cP and mT represent different air masses. The wind direction at Utica and Rochester is shown on the station models. A) B) C) D) 7 . Which front symbols are drawn correctly, based on the air masses shown? A) B) C) D) 8 . Which map shows the regions that are most likely experiencing the precipitation associated with this weather system? weather system?

Base your answers to questions 15 and 16 on the weather map below, which shows the position of a low pressure system. The L is the center of the low. The shaded portion represents an area of precipitation. A weather station model for Albany, New York, is shown on the map. 15. What type of front extends eastward from the low-pressure center? 16. Complete the weather data table for Albany, New York, based on the station model shown on the map. Relative humidity (%) Wind direction from Wind speed (knots) Present weather 17. What is the approximate dew point temperature if the dry-bulb temperature is 26  C and the wet-bulb temperature is 21  C? 18. What is the approximate dew point temperature if the dry-bulb temperature is 24  C and the wet-bulb temperature is 18  C? 19. The dry-bulb temperature of a sample of air is 18  C and its dew point temperature is 4  C. What is the approximate relative humidity? 20. The map to the right shows high pressure and low pressure weather systems in the United States. Which two lettered positions on the map are most likely receiving precipitation? (1) A and B (3) C and E (2) B and D (4) A and D

Base your answers to questions 21 through 22 on the weather map below. The weather map shows a low pressure system in New York State during July. The L represents the center of the low-pressure system. Two fronts extend from the center of the low. Line XY on the map is a reference line. 21. The cross section below shows a side view of the area along line XY on the map. On lines 1 and 2 in the cross section, place the appropriate two-letter air-mass symbols to identify the most likely type of air mass at each of these locations. 22. The forecast for one city located on the map is given below: “ In the next hour, skies will become cloud covered. Heavy rains are expected with possible lightning and thunder. Temperatures will become much cooler.” 22. State the name of the city for which this forecast was given. __________________________

Base your answers to questions 25 through 28 on the satellite image shown in your answer booklet. The satellite image shows a low-pressure system over a portion of the United States. Air-mass symbols and frontal boundaries have been added. Line XY is one frontal boundary. Points A, B, C, and D represent surface locations. White areas represent clouds. 25. D raw the proper symbol to represent the most probable front on line XY. 26. Describe one piece of evidence shown on the map that suggests location A has a lower relative humidity than location B. 27. Explain why location C most likely has a cooler temperature than location D. 28. State the compass direction that the center of this low-pressure system will move over the next few days if it follows a normal storm track.