7AM Surface Weather for August 4th

The surface conditions for the morning of August 4th is depicted in this chart obtained from the United Kingdom Meteorological office (1). The chart reveals mostly cloudy surface conditions (from 1/4 to 1/2 clouded over southern England to full overcast over southwestern England to full overcast conditions over portions of Portugal).

Surface temperatures are generally in the mid 60s (Deg F) throughout the area. This is the 7H G.M.T. (7 Hour, Greenwich Mean Time) observation. "All times are G.M.T.. Add two hours to fet double summer time" is noted on the bottom of the chart. It isn't clear if 'double summer time" was in effect for our crew on the 4th of August.

1. The original source was Meteorlogical Office, Air Ministry, Kingsway, London, W.C.2., Nelson K. Johnson, K.C.B., D. Sc., Director.