ANNOUNCEMENTS and ANSWER KEY

Week 3


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ANNOUNCEMENTS - Week 3

29 September 2000

  1. Congratulations! The compiling of registration data from LIT leaders (a few are still to be heard from!) indicates we have about 625 participants in 81 LITs operating with participants in 45 states. We are grateful to all of you LIT leaders and other LIT members for this superb effort.

  2. Preliminary reports from LITs indicate the overall operation of DataStreme has been going well. We appreciate the "Reports from the Field" that have been sent to Ed Hopkins. We would like to see more, especially from LITs and participants in weather-impacted areas. They add the human element to weather.

  3. Materials for the second meeting (weather radios, books, temperature strips) are being shipped to LIT leaders as registration materials arrive. Your quantities are based on the forms we have received. If the box has not arrived by Monday, 9 October, contact us so we can track its location.

  4. Mentors should remind their mentees of the upcoming mid-course meeting. Everyone (participants and LIT members) should bring their Pressure Blocks (for Activity 5B) to the mid-course meeting.

  5. LIT leaders are reminded that you need to use both the DataStreme Expense Reimbursement and Program Group Meeting Forms from the back of the LIT Manual and attach receipts to it for meals from meetings.

  6. A Reminder. "Alums" from previous terms may be invited to your meeting and are covered in meal reimbursements. Besides keeping in contact with them and encouraging their resource teacher efforts, they can provide feedback on classroom use of DataStreme activities and learning materials. Efforts to stay in touch with prior participants should be a priority with your LIT team.

  7. As you know, we have had Internet delivery problems. COMET is working to get the satellite and radar imagery back on line. In the meantime, we are transmitting some of these products from another source (Thank yous to Plymouth State College). Also, AMS Boston's service had a severe case of the hiccups for about a week. That has been cleared. Such is the world of study using near real-time data.


WEEK 3 ANSWER KEY

A. CHAPTER PROGRESS:

  1. sun
  2. decreases, . . . Wien's displacement
  3. visible, . . . . infrared
  4. the same as
  5. 23 degrees 27 minutes (about 23.5 deg.)
  6. length of daylight
  7. more
  8. 12 hours
  9. greater, . . . heat
  10. warming
  11. water vapor
  12. lower
  13. - 15. [as appropriate by participant]

B. DAILY SUMMARY:

Tuesday:
1. would not
2. visible
Thursday:
1. shorter
2. outgoing infrared heat exceeds incoming solar energy

ACTIVITIES RESPONSE

ACTIVITY 3A:

  1. South
  2. left - visible, right - infrared
  3. west
  4. sunset
  5. white, . . . higher
  6. Western North America
  7. both the daylight and night portions
  8. high
  9. low
  10. west, . . . of nighttime conditions
  11. approximately parallel
  12. more, . . . dark, . . . bright white
  13. cold, . . . high, . . . warmer, . . . lower
  14. low, . . . warm
  15. infrared, . . . visible
  16. approximately 12 hours everywhere on Earth

ACTIVITY 3B:

  1. no answer needed
  2. on chart, p. 3B-2 (Key Image 1)
  3. Singapore (1.5 °N)
  4. path of sunlight through the atmosphere
  5. different from
  6. polar
  7. length of daylight each day . . (greater solar altitude can also contribute at some midlatitude locations, but the day length is the major factor)
  8. increases
  9. increases
  10. on chart, p. 3B-2 (Key Image 1)
  11. equinoxes
  12. equatorial
  13. spring and summer - most, . . . . fall and winter - least
  14. zero, . . . fall and winter
  15. 12 hours
  16. 0 hours, . . . . 24 hours
  17. 24 hours, . . . . 0 hours
  18. Fall or Autumn, 23 September (Image 1)

If you have comments or questions, you may send email to: amsedu@dc.ametsoc.org.
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