1. Jordan’s Final Weather Discussion
July 30, 2012

2. Tornado on Mount Evans, Colorado (7/28 – Saturday)

4. July 1934, 80% July 2012, 64% December 1939, 60% July 1954, 60%
The top 5 months with the greatest percent area in moderate (D1) or greater drought since 1895:
July 1934, 80%
July 2012, 64%
December 1939, 60%
July 1954, 60%
December 1956, 58%

5. July 1934, 63% September 1954, 50% July 2012, 46% December 1956, 43%
The top 5 months with the greatest percent area in severe (D2) or greater drought since 1895:
July 1934, 63%
September 1954, 50%
July 2012, 46%
December 1956, 43%
August 1936, 43%

6. Northeast severe weather outbreak (Thursday – July 26)

7. Northeast severe weather outbreak (Thursday – July 26)

8. Northeast severe weather outbreak (Thursday – July 26)

9. Pittsburgh, PA sounding (12Z on 7/26 – Thursday morning)

10. Evolution of the squall line (2:30pm on Thursday)

11. Evolution of the squall line (4:30pm on Thursday)

12. Evolution of the squall line (4:30pm on Thursday)

13. Satellite perspective of the 1,500-mile swath of severe thunderstorms

14. Evolution of the squall line (7:00pm on Thursday)

15. Squall line blasts through NYC (7:00pm on Thursday)

16. Albany, NY sounding (00Z on 7/27 – Thursday night)

17. Albany, NY back trajectories (00Z on 7/27 – Thursday night)

18. Squall line blasts through NYC (7:00pm on Thursday)

19. SPC storm reports for 7/26

20. 500-mb analysis (12Z on 7/26 – Thursday morning)

21. U.S. surface analysis (12Z on 7/26 – Thursday morning)

22. Regional surface analysis (12Z on 7/26 – Thursday morning)

23. GSO sounding (12Z on 7/26 – Thursday morning)

24. 500-mb analysis (00Z on 7/27 – Thursday night)

25. U.S. surface analysis (00Z on 7/27 – Thursday night)

26. Regional surface analysis (00Z on 7/27 – Thursday night)

27. GSO sounding (12Z on 7/27 – Thursday night)

28. GSO back trajectories (00Z on 7/27 – Thursday night)

29. 500-mb analysis (12Z on 7/27 – Friday morning)

30. U.S. surface analysis (12Z on 7/27 – Friday morning)

31. Regional surface analysis (12Z on 7/27 – Friday morning)

32. GSO sounding (12Z on 7/27 – Friday morning)

33. Piedmont t-storm activity (4:30pm on Friday)

34. Downburst over Lake Norman (Friday afternoon)

35. Piedmont t-storm activity (Friday evening)

36. Piedmont t-storm activity (7:30pm on Friday)

37. Piedmont t-storm activity (8:00pm on Friday)

38. Total precipitation for Raleigh WFO area (7/27 – Friday)

39. 500-mb analysis (00Z on 7/28 – Friday night)

40. U.S. surface analysis (00Z on 7/28 – Friday night)

41. Regional surface analysis (00Z on 7/28 – Friday night)

42. GSO sounding (12Z on 7/28 – Friday night)

43. GSO back trajectories (00Z on 7/28 – Friday night)

44. 500-mb analysis (12Z on 7/28 – Saturday morning)

45. U.S. surface analysis (12Z on 7/28 – Saturday morning)

46. Regional surface analysis (12Z on 7/28 – Saturday morning)

47. GSO sounding (12Z on 7/28 – Saturday morning)

48. Piedmont t-storm activity (8:30pm on Saturday)

49. Piedmont t-storm activity (9:30pm on Saturday)

50. Total precipitation for Raleigh WFO area (7/28 – Saturday)

51. 500-mb analysis (00Z on 7/29 – Saturday night)

52. U.S. surface analysis (00Z on 7/29 – Saturday night)

53. Regional surface analysis (00Z on 7/29 – Saturday night)

55. GSO sounding (12Z on 7/29 – Saturday night)

56. GSO back trajectories (00Z on 7/29 – Saturday night)

57. 500-mb analysis (12Z on 7/29 – Sunday morning)

58. U.S. surface analysis (12Z on 7/29 – Sunday morning)

59. Regional surface analysis (12Z on 7/29 – Sunday morning)

60. GSO sounding (12Z on 7/29 – Sunday morning)

61. 500-mb analysis (00Z on 7/30 – Sunday night)

62. U.S. surface analysis (00Z on 7/30 – Sunday night)

63. Regional surface analysis (00Z on 7/30 – Sunday night)

64. GSO sounding (12Z on 7/30 – Sunday night)

65. GSO back trajectories (00Z on 7/30 – Sunday night)