I have been uploading forecasts from summer 2007. Looking back at them, it was amazing how active the atmosphere was during early June to late July. I remember when it rained, it was frequently torrential.
Here are forecasts and a few news bulletins from that period early June 2007 to late July 2007
10th June 2007: Peter Gibbs warns wetter weather is on the way
11th June 2007: rain on the way
13th June 2007
14th June 2007: the flooding starts
15th June 2007
16th June 2007
17th June 2007
18th June 2007
19th June 2007
20th June 2007
22nd June 2007
23rd June 2007
24th June 2007
25th June 2007
26th June 2007
29th June 2007
30th June 2007
2nd July 2007
3rd July 2007
BBC News report on SW London hailstorm
4th July 2007
5th July 2007
6th July 2007
7th July 2007
8th July 2007
9th July 2007
10th July 2007
11th July 2007
12th July 2007
13th July 2007
14th July 2007
15th July 2007
16th July 2007: weekly forecast did not pick up the deluge for the end of the week.
17th July 2007
18th July 2007
19th July 2007
BBC news report on flooding
20th July 2007: day of the great rainstorm
22nd July 2007
23rd July 2007: Daniel Corbett does forecast from the site of the floods
24th July 2007
25th July 2007
BBC news summary on the floods
MANCHESTER SUMMER INDEX for 2021: 238
Timelapses, old weather forecasts and natural phenomena videos can be seen on this site
http://www.youtube.com/channel/UCgrSD1BwFz2feWDTydhpEhQ/playlists