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Lab 6-5

Lab 6-5. Weather Patterns. Map A: Isotherms. Connect points of equal value Use an interval of 10 °F Stop your lines when they go off the coast. If more dots are needed, add some…. Map B: Isobars. Write the following in an empty space on the map: Millibars Station Model Code 1024.0

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Lab 6-5

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  1. Lab 6-5 Weather Patterns

  2. Map A: Isotherms • Connect points of equal value • Use an interval of 10°F • Stop your lines when they go off the coast.

  3. If more dots are needed, add some…

  4. Map B: Isobars • Write the following in an empty space on the map: MillibarsStation Model Code 1024.0 1020.0 1016.0 1012.0 1008.0 1004.0 1000.0 Fill in the code here

  5. Map B: Isobars- Continued • Draw isobars • Use an interval of 4mb. • Label the highest pressure with an • Label the lowest pressure with an H L

  6. Map C: Wind PatternsDraw arrows…

  7. Map C: Wind PatternsNow Draw Large Arrows…

  8. Map D:Precipitation Patterns • Draw a line encompassing the entire area where rain is falling. • Lightly shade it in with pencil. • Label the Air Masses.

  9. Handy Dandy Earth Science Reference Tables, pg 13 • An Air Mass is a large region of air that has the same temperature and humidity. • It gets its properties from hanging out in the same region for a while.

  10. For example: • If the source region is the gulf of Mexico and the air comes to Long Island… • It will feel warm and moist to us: maritime tropical (mT). • If it comes from central Canada… • It will feel cold and dry to us: continental polar (cP)

  11. What type of air mass? mP Cool & moist: mP Cool & Dry: cP mP cT mT mT Warm & Moist: mT

  12. Make the Synoptic Map • Use Instruction #1 as a check list of things to put on the map. • Add the fronts.

  13. Now that we know WHERE the fronts are, how do we know what KIND they are? • If colder air is coming in, it is a cold front. • If warmer air is coming in, it is a warm front. How to Find & Label Fronts

  14. The End

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