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Weather Discussion

Weather Discussion. 7-5-2011. Tropical Storm Arlene at Landfall. Microwave Imagery of Tropical Storm Arlene at Landfall. Brownsville, TX Radar. 500-mb Analysis (12Z on 6/30 – Thursday Morning). U.S. Surface Analysis (12Z on 6/30 – Thursday Morning).

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Weather Discussion

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  1. Weather Discussion 7-5-2011

  2. Tropical Storm Arlene at Landfall

  3. Microwave Imagery of Tropical Storm Arlene at Landfall

  4. Brownsville, TX Radar

  5. 500-mb Analysis (12Z on 6/30 – Thursday Morning)

  6. U.S. Surface Analysis (12Z on 6/30 – Thursday Morning)

  7. N.C. Surface Analysis (12Z on 6/30 – Thursday Morning)

  8. GSO Sounding (12Z on 6/30 – Thursday Morning)

  9. Dry air aloft (00Z on Thursday)…

  10. 500-mb Analysis (00Z on 7/1 – Thursday Evening)

  11. U.S. Surface Analysis (00Z on 7/1 – Thursday Evening)

  12. N.C. Surface Analysis (00Z on 7/1 – Thursday Evening)

  13. GSO Sounding (00Z on 7/1 – Thursday Evening)

  14. GSO Back Trajectories (00Z on 7/1 – Thursday Evening)

  15. 500-mb Analysis (12Z on 7/1 – Friday Morning)

  16. U.S. Surface Analysis (12Z on 7/1 – Friday Morning)

  17. N.C. Surface Analysis (12Z on 7/1 – Friday Morning)

  18. GSO Sounding (12Z on 7/1 – Friday Morning)

  19. Visible Satellite Imagery (Friday Afternoon at 2:00PM)

  20. Water Vapor Imagery (Friday Afternoon at 2:00PM)

  21. IR Satellite Imagery (Friday Afternoon at 4:00PM)

  22. A little bit about transverse cirrus bands… • “The ideal case for band production appeared to be a strong, isolated convective system that developed, matured, and dissipated without interacting with any other convective storm” (Lenz et al. [2009], 1365). • “Transverse bands were more commonly observed to emerge near the end of the mature stage of the [convective] system and persist through the decay stage of the system” (Lenz et al. [2009], 1365). • “Transverse bands were observed at all hours of the day, though they were most common during the nighttime hours of this study” (Lenz et al. [2009], 1368). • “The average time lag between convection initiation and the first observation of transverse bands was 7 hours, and the average duration of the bands was about 9 hours” (Lenz et al. [2009], 1369, 1372). • Most commonly develop in regions of upper-level divergence and a strong relative vorticity gradient

  23. Geographic Distribution (May – August 2006) Lenz et al. (2009) pg. 1368

  24. Transverse Bands and Aviation Turbulence Lenz et al. (2009) pg. 1364

  25. 500-mb Analysis (00Z on 7/2 – Friday Evening)

  26. U.S. Surface Analysis (00Z on 7/2 – Friday Evening)

  27. N.C. Surface Analysis (00Z on 7/2 – Friday Evening)

  28. GSO Sounding (00Z on 7/2 – Friday Evening)

  29. GSO Back Trajectories (00Z on 7/2 – Friday Evening)

  30. 500-mb Analysis (12Z on 7/2 – Saturday Morning)

  31. U.S. Surface Analysis (12Z on 7/2 – Saturday Morning)

  32. N.C. Surface Analysis (12Z on 7/2 – Saturday Morning)

  33. GSO Sounding (12Z on 7/2 – Saturday Morning)

  34. 500-mb Analysis (00Z on 7/3 – Saturday Evening)

  35. U.S. Surface Analysis (00Z on 7/3 – Saturday Evening)

  36. N.C. Surface Analysis (00Z on 7/3 – Saturday Evening)

  37. GSO Sounding (00Z on 7/3 – Saturday Evening)

  38. GSO Back Trajectories (00Z on 7/3 – Saturday Evening)

  39. 500-mb Analysis (12Z on 7/3 – Sunday Morning)

  40. U.S. Surface Analysis (12Z on 7/3 – Sunday Morning)

  41. N.C. Surface Analysis (12Z on 7/3 – Sunday Morning)

  42. GSO Sounding (12Z on 7/3 – Sunday Morning)

  43. 500-mb Analysis (00Z on 7/4 – Sunday Evening)

  44. U.S. Surface Analysis (00Z on 7/4 – Sunday Evening)

  45. N.C. Surface Analysis (00Z on 7/4 – Sunday Evening)

  46. GSO Sounding (00Z on 7/4 – Sunday Evening)

  47. GSO Back Trajectories (00Z on 7/4 – Sunday Evening)

  48. 500-mb Analysis (12Z on 7/4 – Monday Morning)

  49. U.S. Surface Analysis (12Z on 7/4 – Monday Morning)

  50. N.C. Surface Analysis (12Z on 7/4 – Monday Morning)

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