Date: 4 August 1940
Enemy action by day
Enemy activity has been slight during the day, possibly because of the bad weather conditions in various areas. A number of enemy reconnaissances have been made over the sea, mainly along the south coast and in the Bristol Channel area. No attacks have been reported. Several of the raids approaching the south coast were probably concerned with a convoy which was anchored in St Helen's Roads, Isle of Wight, owing to fog.
Interceptions were hampered by weather conditions. One raid over the Isle of Wight was reported by the Observer Corps to have been intercepted.
North and East Coast
Only three raids were reported in this area during the day, two of which were probably Zenit flights. The third was plotted 50 miles east of Kinnaird's Head, approached to within 15 miles of the of the coast, and then turned back.
East Coast
One raid appeared off Whitby at 1446 hours, proceeded over Thornaby, re-crossed the coast over Flamborough Head, flew over a convoy and faded eastwards.
South East Coast
Four raids, all of which faded on the east coast, were reported. Fighters were despatched, and on one occasion they reported seeing a raid but were unable to contact the enemy.
Southern Area
Several raids approached the Isle of Wight during the day, of which four flew towards the convoy at anchor at the entrance to Spithead. These turned back when fighter patrols were despatched. Two raids crossed the coast; one near Poole passed over Southampton and out to sea again over Portsmouth; the other near Bournemouth, passing Middle Wallop and Upavon, re-crossed the coast near Poole, fading in the Baie de la Seine.
West of England
Six reconnaissance flights were plotted across Cornwall to the Bristol Channel and South Wales area, and five reconnaissance flights were plotted in the Cornwall and Devon areas searching for shipping and giving weather reports.
One unidentified aircraft was detected patrolling for an hour on various courses between seventy and one hundred miles north east of Dunkerry Head.
France
Patrols were detected in the Calais and Dunkirk areas during the day.
By night
Widespread fog was reported. Less than half a dozen hostile raids were plotted.
At about 2300 hours two raids crossed the coast near Immingham; Hull and Grimsby were under "red" warning. At the same time two raids crossed over Harwich, which went up through the Midlands as far as Derby, returned near London (purple), and passed out over the Kent coast having fired the correct signal.
A further raid crossed in over East Anglia and appeared to attempt to locate aerodromes in the Cambridge area.
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Statistics
Fighter Command Serviceable Aircraft as at 0900 hours, 4 August 1940
Casualties:
Patrols:
Balloons:
Aerodromes:
Organisation:
Air Intelligence Reports
Home Security Reports
British Somaliland.18. The Italian invasion of British Somaliland began on 4th August. The following day a strong Italian attack developed from the East and South-East. In the face of vastly superior number our garrisons at Hargeisa (one company N. Rhodesia Regiment and one company Somaliland Camel Corps) and Oadweina (two troops Somaliland Camel Corps) carried out a withdrawal. The Italians have also occupied Zeilah.
The enemy will probably endeavor to obtain a series of rapid successes before the cessation of the rains. On the other land frontiers of Italian East Africa military activity has been confined to reconnaissance.
The British Somaliland Camel Corps certainly has a Lawrence of Arabia look and feel to them.