1. Word on Weather! Sicily's lava blower
5. Airline letters
8. Bound
12. Hammer, for one
13. Thwart
14. Word on Weather! Major disturbance
16. Word on Weather! Mount Vesuvius occurrence
18. Chinese dynasty
19. It'll turn "hu" into a Hawaiian island
20. It'll turn "Bo" into a German city
21. Atomic number 18
22. Word on Weather! Heavy precipitation
25. Word on Weather! El Niño's alter ego: ___ Niña
26. Writer of "The Fall of the House of Usher" (1839): Edgar Allan ___ (b.1809 - d.1849)
27. Pet plant
28. It's nestled in a nest
29. Billy ___ of "White Wedding"
31. "Be quiet!"
33. Radio dial choices: As opposed to AMs
35. Not she
36. Caesar's cloak
37. It'll turn "Han" into the capital of Vietnam
38. Dye with a color
40. And so on
42. "Unpretty" pop group
44. Word on Weather! Roman Sun God
45. Senses
47. Atomic number 3
48. City associated with David Koresh
51. Famous rapper: ___ Cool J
52. Pose for a Portrait
53. The Beatles adj.
55. Looked at
56. Atom
58. Word with Lisa
60. Fella
62. Pseudonym of Charles Édouard Jeanneret (b.1887 - d.1965): ___ Corbusier
63. Word on Weather! Type of ash
65. It's used before a vowel sound
66. Popular magazine
67. Type of card, for short
68. Had a hamburger
69. Word on Weather! With #26D: They're studied by seismologists
73. Word on Weather! Type of fog
75. Word on Weather! Permeate by Precipitation
76. Macho-Man
77. Bucks' Babes
78. Legendary Bruin
79. "Bonanza" (TV) character