Not seen much about this on news but some quite shocking pictures from late yesterday here
http://www.whitbyseaanglers.co.uk/forum/index.php?topic=31703.0 


BBC only have this
http://www.bbc.co.uk/news/uk-england-tees-24000602

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Gosh unbelievable.!

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https://www.facebook.com/photo.php?v=198292057011349  Underneath all that water is a little old narrow gauge railway that every youngster in the area has been on at some point for a ride. I hear that all the ballast and much track has been washed away, a much loved old attraction that hopefully they will be able to fix up. I did my geography GCSE project on that stream / valley, seems like a long time ago now!

Flash floods around the NYM are not uncommon of course, plenty recorded over the years, Esk valley numerous times and my old stomping ground of Helmsley.

BBC Look North report
http://www.youtube.com/watch?v=lJHxHTKUId8 

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Can't get MetO 12z faxes on Archive on Wetter, but 8 hours before this on 19th June 2005 produced similar conditions around Thirsk/Helmsley when a supercell storm wandered up from the SE.

http://www.wetterzentrale.de/archive/2005/brack/bracka20050620.gif

 

I remember seeing it pass by when I lived in York. Looked like a nuclear mushroom cloud.

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Glad I live on a hill

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We were on the edge of this really with 52mm - but there was an odd effect in that the wind was chilly and in from the sea, but the radar clearly showed rain moving northwards but becoming stationary and very heavy as it got blocked by the colder air.
Classic scenario of warm moist air being lifted up and dropping copious rain but complicated by the lack of movement in any direction for several hours. 

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Indeed, see those supercell type storms every spring / summer here in Sydney. We have big storm drains and flash flooding channels here that in the main cope pretty well, but not always.

By the way I was caught in the that 2005 storm you mention on the road between Helmsley and Kirbymoorside, impossible to keep on driving as you couldn't see a thing and the roads were like a river with the water flowing off the fields. We were one of the first cars back in to Helmsley afterwards which took ages as the police shut access for a while. What I always remember is the silence alongside the destruction. The torrent of water had long gone and the stream whilst high was just a fast flowing stream again.

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Just jaw dropping, we were there less than 2 weeks ago and parked in that car park. Can't believe it happened so quick. My heart goes out to the people and businesses affected by this. I also hope they get the railway running again, although we did not go on it we saw it running on the afernoon we were there.