An aviation safety researcher has posted satellite imagery which appears to show stormy weather on the planned flight path of AH5017.
The diagonal green area is near Gao in Mali, where the plane was said to have lost contact.
In a separate tweet, Mr Proud adds: "Athough there were storms, it is normal for the region. This was a big one, but not atypical."
More top news
In a rallying call at the Democratic National Convention, the former US president said Hillary is 'the best darn change-maker I ever met'.
Satoshi Uematsu, 26, was sent to the Yokohama District Public Prosecutors Office in Kanagawa prefecture.
West Yorkshire Police confirmed a 32-year-old woman was taken into custody in connection with the alleged threats.