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-   -   April 27, 2011 Shelf cloud over London (http://www.ontariostorms.com/showthread.php?t=641)

Itchy 04-28-2011 12:40 PM

April 27, 2011 Shelf cloud over London
 
Interesting day where a nice shelf cloud through early on

Saw an updraft with twist to it at 8 am!
A radar grab from this time shows storms NW of London already going on

http://farm6.static.flickr.com/5065/...f7a72846_z.jpg

http://farm6.static.flickr.com/5186/...fcf3b17a_b.jpg


A few hours later a storm with mushy upper levels approached but the structure below the base quickly got my attention.
Shelf cloud with some banding , a collared base and a huge inflow tail

Here are some radar grabs of the next system

http://farm6.static.flickr.com/5304/...82a3ae99_z.jpg

http://farm6.static.flickr.com/5185/...4df7c2e8_z.jpg

These shots are looking west
http://farm6.static.flickr.com/5108/...c163db8a_z.jpg

http://farm6.static.flickr.com/5149/...84b8457f_b.jpg

Getting closer I notice a large core dumping to my south and clarity reveals some great looking structure

http://farm6.static.flickr.com/5061/...ed654c64_z.jpg

view to the south, that building in the distance is the children's hospital

http://farm6.static.flickr.com/5070/...f5c6495f_z.jpg

http://farm6.static.flickr.com/5146/...c9d91a88_b.jpg

http://farm6.static.flickr.com/5067/...2b1294a0_b.jpg

http://farm6.static.flickr.com/5306/...fde3ecd3_b.jpg

http://farm6.static.flickr.com/5225/...d4605d0a_b.jpg

http://farm6.static.flickr.com/5305/...afa34da0_b.jpg

The second line of storms that caused the tornado reports did go through London later on with winds close to 80K but the structure at the time was undefined and high based so pics were not really worth it

For now here is a video I found of the day on youtube, I have some great video but I need to edit
<iframe width="560" height="349" src="http://www.youtube.com/embed/mZ7iejlsg8w" frameborder="0" allowfullscreen></iframe>

Derecho 04-28-2011 12:41 PM

Re: April 27, 2011 Shelf cloud over London
 
Great shots, Itchy! Looks more impressive than it did when it reached me

nachos_666 04-28-2011 01:00 PM

Re: April 27, 2011 Shelf cloud over London
 
great photos of those clouds... it was just gloomy by westmount.. but the winds were crazy.. knocked my blinds right off of the windows.

DarkSky 04-28-2011 05:04 PM

Re: April 27, 2011 Shelf cloud over London
 
Excellent post Itchy - as yours always are!

duruisso 04-28-2011 10:47 PM

Re: April 27, 2011 Shelf cloud over London
 
Awesome shots, thanks!


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