TOPIC 7-3: Interpreting Weather Maps

Name: ______Period: ______Date: ______

TOPIC 7-3: Interpreting Weather Maps

Use the weather map below whicb shows the atmospheric conditions for a small portion of central USA. A, B, C and D are station models. cP and mT are air masses.

1. “cP” means______

2.  A “cP” air mass is ______and ______

3. “mT” means______

1.  A “mT” air mass is ______and ______

2.  Wind direction at : A ______D ______

6. Wind speed at : B ______C ______

7. Air pressure at : (decode) A ______B ______

8. Temperature at : C ______D ______

9. The greatest wind speed is at (A) (B) (C) (D)

10. The lowest air temperature is at (A) (B) (C) (D)

11.  At station A “072” is the ______

12.  B has just experienced the passage of a ______front.

13.  Station C should expect (more) (less) clouds.

14. Station C should expect a (rise) (fall) in temperature.

15. Station D should expect a (rise) (fall) in temperature.

16. The station that is experiencing clouds and rain is (A) (B) (C) (D).

17-32 Use the weather map below for the USA. A, B C, D and E are weather stations. The lines are isobars of air pressure.

17. The stormiest weather is being experienced in (eastern) (western) USA.

18. The highest air temperature is at (A) (B) (C) (D) (E).

19. The calmest air is (A) (B) (C) (D) (E).

20. A slow, steady rain is occurring at (A) (B) (C) (D) (E).

21. The LOW will move towards the (northeast) (southwest) (southeast)

22.  The cold front is moving toward the ______.

23.  The warm front is moving towards the ______.

24. City A can expect the passage of a (cold) (warm) front.

25. “High" refers to the air (temperature) (pressure).

26. At “E" the sky conditions are (clear) (cloudy).

27. Within the next day the temperature at “B" will (rise) (fall).

28. Within the next day the sky at “B" will become (clear) (cloudy).

29. Within the next day “B" can expect (rain) (no rain).

30. The “HIGH" will move (east) (west).

31.  Use large arrows to show air circulation around the centers of the HIGH & LOW.

32. At “D" air pressure is ______mb., dew point is ______.

33-45  Use the map below to answer the following questions. Complete explanations are expected.

34.  The lines drawn are called ______, they connect points which have the same air ______.

35.  Which lettered position has the greatest wind speed? ______

36.  How do you know (two reasons) a. ______

b.  ______

37.  Which station has the highest air temperature? ______

38.  Which station has the highest air pressure? ______

What is the air pressure in milibars? ______

39.  Which station has the greatest chance of precipitation? ______

How do you know? ______

40.  What does “mT” mean ______

41. Describe the source region for “mT” ______

42.  Describe the characteristics of “mT” ______

43. Describe the air mass at “A” ______

44.  Which stations most recently had rain, wind direction shift, rise in air pressure and a temperature decrease?

______

WHY? ______

45. Predict the weather for station “D" within the next 24 hours and explain the basis for your prediction.

______