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
A restaurant is facing a backlash after a diner was seemingly sworn at by the company when she posted a complaint on their Facebook page.
Debris found on the island of Reunion has been confirmed by a French prosecutor as being a wing part from missing airliner MH70.
The father of the drowned Aylan Kurdi said he tried to save his family as they clung to the upturned boat in the Mediterranean.