Introduction to Weather Map - wsfcs.k12.nc.us

[Pages:2]Introduction to Weather Map

Name: __________________________________________________________ Period: _____________ Date: _________ Essential Question: How do I interpret a station model and weather map?

1. What do meteorologist do with all the weather data that they gather? p 317 ___________________________________________________________________________________________ Label the station model and complete the text on the lower right. figure-12-15, p. 317

A station model shows ________________________ ________________________ ________________________ ________________________ ________________________ ________________________.

2. Describe a weather map. P. 322-323 ___________________________________________________________________________________________ ___________________________________________________________________________________________

3. Isopleths are ____________________________ . Lines of equal pressure are called _________; lines of equal temperature are called ____________________________. Isobars that are close together indicate a large pressure __________________________. A large pressure difference causes _______________________________________. P. 317-318

4. Study figure 12-16 on page 319. The map shows air pressure data for the United States. Where would you expect light winds? Remember the closer the isobars ( lines of equal pressure) the larger the pressure difference and the stronger the winds. ___________________________________________________________________________________________ ___________________________________________________________________________________________

5. What is digital forecast and how is it related to density of data? P. 319 ___________________________________________________________________________________________ ___________________________________________________________________________________________

6. How do meteorologists ensure the accuracy of analog forecast ? P. 320 ___________________________________________________________________________________________ ___________________________________________________________________________________________

7. Why are short term forecasts more accurate than long term forecasts? P. 320-321 ___________________________________________________________________________________________ ___________________________________________________________________________________________

Mapping Geo-Lab: Interpreting a Weather Map (p. 322-323)

8. The map scale on page 323 is given in _______________________. P. 322 9. The unit for isobars is ____________________ (mb) p. 322 10. What are the weather fronts in the weather map? P. 322, p. 306-307

Weather fronts

Drawing of Weather Fronts

11. L in the weather map means low pressure and bad weather while H means high pressure and good weather.

a. Which has a good weather? Encircle your answer and explain.

Coast of Oregon

Central Canada

Explain your answer? ________________________________________________________________________________________ ________________________________________________________________________________________ ________________________________________________________________________________________

12. What is the contour interval of the isobars? _____________________________________ p. 323

14. High pressure systems refer to ______________________ ( good weather, bad weather) 15. Low pressure systems refer to ______________________ ( good weather, bad weather) 16. When the air pressure is gradually decreasing this means ___________________ ( precipitation, clear sky) 17. When the air pressure is gradually increasing this means ___________________ ( precipitation, clear sky)

18. How is climate different from weather? A. Climate refers to the atmospheric conditions on a given date, whereas weather refers to the

atmospheric conditions during a given season. B. Climate is based on observations made for a region over several years, whereas weather is based on

day-to-day observations made for a region.

19. Which occurs within a high-pressure system? A. the formation of hurricanes B. large clouds, as air rises

C. calm weather, as air sinks

20. What has most likely occurred in this area? A. A warm front has passed. B. A cold front has passed. C. A blizzard has taken place. D. A high-pressure system has stalled

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