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Understanding Weather Fronts and Instrumentation in Meteorology

This document provides a comprehensive overview of weather fronts, including the characteristics and effects of cold fronts, the types of air masses affecting the central United States, and specific weather conditions such as temperature, dewpoint, and wind speed in Laramie. It also discusses the impact of lake-effect snow, defines key meteorological terms, and explains the instruments used to measure atmospheric conditions. By exploring these concepts, readers gain insight into the complexities of meteorological phenomena and the tools used by meteorologists.

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Understanding Weather Fronts and Instrumentation in Meteorology

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Presentation Transcript

  1. What kind of front is this? 1

  2. 2 This is a cross sectrion thru what kind of front?

  3. When a cold front passes, both the temperature and the dewpoint ……….. (in/decrease, remain steady)? 3

  4. What type of airmass affects the central US at this time? 4

  5. What is the temperture and dewpoint (F) in Laramie at this time? 5

  6. What is the wind direction and speed (kts) in Laramie at this time? 6

  7. 7 What is this?

  8. 8 What (network of) instruments measure this? reflectivity

  9. 9 Fill out the blank for (c) ………..

  10. The orange line (a) applies to the … (am or pm) 10 AM (night/sunrise) PM (afternoon)

  11. 11 Does this lake-effect snow work for the lake at LaBonte Park in Laramie? Why (not)?

  12. Define point A (low, high, ridge, trof, saddle) 12 A

  13. 13 Define line A-B(low, high, ridge, trof, saddle) A B

  14. What are the yellow lines? (ridge, trofs, drylines, cold fronts, warm fronts, occlusions) 14

  15. 15 What is this instrument called?

  16. 16 The picture on the left applies to which hemisphere? this one

  17. Where is it windier at this time, in Texas or near A (Hudson Bay) ? 17 A TX

  18. Where is the surface low near A or B? 18 A B

  19. 19 Now imagine column A is cooled below 500 hPa. Will the 500 hPa surface become lower or higher over A? Extra credit

  20. Where is the cold front, A-B or C-D or E-F or G-H ? Extra credit 20 H F D G B E A C

  21. 21 What is the name of the force in red? Extra credit

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