August 12, 2005

Mike Evans

Index of Slides

  1. August 12, 2005
  2. Outline
  3. Damage Reports on August 12
  4. Eta 500 mb heights and vorticity valid 8/12 18z
  5. Eta 850 mb wind and 250 mb wind speed valid 8/12 18z
  6. Eta Sea-level pressure and 1000-500 mb thickness valid 8/12 18z
  7. Surface Plot and HPC surface analysis at 8/12 18z
  8. MSAS sea-level pressure and surface plot at 8/12 18z
  9. LAPS pressure tendency and surface plot at 8/12 18z.
  10. Satellite Image and Surface Plot 8/12 18z
  11. Eta 6-hour CAPE forecast valid 18z
  12. RUC CAPE analysis at 18z
  13. LAPS CAPE analysis at 18z
  14. BUF RAOB 12z
  15. RUC and Eta 0-3 km shear at 18z
  16. RUC and Eta 0-1 km shear
  17. Summary
  18. Radar reflectivity and RUC 0-3 km shear at 1830z.
  19. Radar reflectivity and RUC 0-3 km shear at 20z.
  20. Radar and RUC 0-3 km at 22z
  21. Radar reflectivity and RUC 0-3 km shear 2230z.
  22. Summary – modeling research tells us that cells merge into a line when the shear is perpendicular to the boundary…
  23. LAPS 3-hour pressure change at 18z and 21z.
  24. KBGM 0.5 degree reflectivity at 1830 UTC
  25. KBGM 0.5 degree SRM at 1830 UTC
  26. KBGM 0.5 degree reflectivity at 1850 UTC.
  27. KBGM 0.5 degree reflectivity 1850 at UTC.
  28. KBGM reflectivity loop 18z-19z
  29. KBGM reflectivity 2105z
  30. KBGM 0.5 degree SRM at 2105 UTC
  31. 1.3 degree KBGM SRM 2143z
  32. KBGM reflectivity 2143z
  33. KBGM reflectivity 2201z
  34. KBGM 2201z
  35. Max Vrshear vs. Range (rotating storms from 2003 – 2005)
  36. Adjusted shear vs. Range (rotating storms from 2003-2005).
  37. 0.5 degree Vr shear vs. Range (rotating storms from 2003-2005)
  38. RUC analysis of 0-1 km shear and surface dew pt depression at 19z
  39. RUC analysis of 0-1 km shear and surface dew pt depression at 22z
  40. Summary
  41. How did the “similar sounding” technique work with this event?
  42. June 17, 2004 – Little Meadows Tornado
  43. 2nd most similar case…
  44. August 29, 2003 - Chenango County Tornado
  45. 3rd most similar case
  46. August 20, 2004 – No tornadoes
  47. 500 mb patterns for August 12 and the 3 “similar” days
  48. Sea-level pressure patterns for August 12 and the 3 “similar” days
  49. Similar Soundings Summary

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