1: Deep sleep, father recalled, is fitting (7)
6: Clair West to continue with present policy? (5)
8: Violently storming while on the high seas (9)
9: Approaches first of nine pieces of corn (5)
11: Grave study: code-breaking? (13)
12: Miss West soaks up ultraviolet for that striking shade of purple (5)
13: Road without a pole (4)
14: Sprinkles studs under reconstruction (5)
15: Oak's first seen on the first of May with its leaves out (5)
16: Take a turn or a thousand dollars (3)
18: Neil Armstrong initially brought back extraterrestrial (5)
19: Clearly notes Earths at a particular compass point (4-5-4)
22: Lands filled with soft-shelled creatures (9)
23: A drain could be at the bottom (5)
24: I lead soldiers to keepsake (7)