This crossword No. 11537 clues and answers were published on Mon 30 Apr 2007 and the puzzle can be visited by following The Guardian Quick Crossword No. 11537 link.
All Across Clues and Answers:
1-across – Weather featuring with 9 : LIGHTNING
8-across – Partly melted falling 16 across or 18 down : SLEET
9-across – Weather featuring with 1 : THUNDER
10-across – Baldness : ALOPECIA
11-across – Weather – shower : RAIN
13-across – Run : LADDER
14-across – East or West county of England : SUSSEX
16-across – Weather in flakes : SNOW
17-across – Scheduled wrongly : MISTIMED
19-across – Moment – immediate : INSTANT
20-across – Set of beliefs : CREDO
21-across – Iced drinks flavoured with lime juice : GINSLINGS
All Down Clues and Answers:
1-down – Strewn : LITTERED
2-down – Of architecture with flying buttresses, for example : GOTHIC
3-down – Gardener’s basket : TRUG
4-down – Hot spell late in the year : INDIANSUMMER
5-down – Boy’s fantasy neighbour? : GIRLNEXTDOOR
6-down – Founding : ESTABLISHING
7-down – Fairly distant relation : SECONDCOUSIN
12-down – Bottom : BUTTOCKS
15-down – Little Tom, perhaps : KITTEN
18-down – Weather – greeting : HAIL
This crossword has in total 22 where 12 are across and 10 are down.