On 16/06/2013 13:21, George Booth wrote:
On 16/06/2013 12:36, Keith (Southend)G wrote:
On Sunday, 16 June 2013 12:22:28 UTC+1, George Booth wrote:
Very loud bang here late morning (around 11 25 BST). House shook and

there was enough force to cause the TBR to tip. Reports indicate that it

was heard over a large part of W. Essex and E. Herts. It was not the

double boom normally associated with a sonic boom but we shall see.

Notwithstanding my earlier observation this has been confirmed as a
sonic boom from a Typhoon on a training exercise

http://www.hertfordshiremercury.co.u...s-16062013.htm


BBC have finally caught up with it

http://www.bbc.co.uk/news/uk-england-22926813
--
George in Epping, west Essex, 350'asl
www.eppingweather.co.uk
www.winter1947.co.uk