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Spring/ Summer 2014 Convection Discussion


weatherwiz

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What do I need to be using to see rotation in these storms? Is it a certain kind of radar? something else? educated eye? or what exactly?

Thanks.

Velocity products. Use weather.cod.edu if you don't have radarscope or something fancier.
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Huh? We're hoping that nobody else gets severe? I think that instead, both of us question your remarks saying that we've had our share.

But whatever. Enjoy your tors.

All we have been saying is that your area up there in general has had some fairly frequent storms up there this summer..esp when you compare it to the rest of SNE..who really have only had 1..The exception is NW CT which has been the hot bed this year

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Well have had the chance to look into tomorrow and it does look fairly impressive.  If we realize the instability that's being spit out by some models a severe weather outbreak could be in store...those shear profiles are ridiculous and couple that with perhaps as much as 1000 J/KG of MLcape and decent turning in the llvls and that spells big trouble.  Looking at BDL the 18z NAM bufkit had as much as 25 m/s of shear (quite decent) but decreases it to 21 m/s after 18z which is still pretty good

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Huh? We're hoping that nobody else gets severe? I think that instead, both of us question your remarks saying that we've had our share.

But whatever. Enjoy your tors.

 

 

Yeah, just ignore the hyperbole.

 

I did not see a thing that suggested you hoped other people didn't get good storms.

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What do I need to be using to see rotation in these storms? Is it a certain kind of radar? something else? educated eye? or what exactly?

Thanks.

I use base velocity on RadarScope....look for green/red pairs - couplets I believe they're called - this indicates that at that discrete location the local wind field is rotating.... The brighter the better....

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What do I need to be using to see rotation in these storms? Is it a certain kind of radar? something else? educated eye? or what exactly?

Thanks.

Here is what ct_yankee is talking about.....see the localized red patch next to the green patch near Stamford......the depiction is pretty broad and would need to "tighten" up - no gray in between....smaller much brighter reds and greens literally right next to each other.....

AFD929AE-1905-4898-8402-67DF635624A3_zps

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What do I need to be using to see rotation in these storms? Is it a certain kind of radar? something else? educated eye? or what exactly?

Thanks.

If you really wanna get serious, here is a PDF from the NWS' distance operations learning course that teaches NWS workers how to interpret velocity radar products. This is great stuff, I had a chance to audit the course for a research product. Little heavy though!

https://www.google.com/url?sa=t&source=web&rct=j&ei=ZV_EU4nsB4iSyAS_ooGIAw&url=http://www.wdtb.noaa.gov/courses/dloc/documentation/DLOC_FY14_Topic4.pdf&cd=1&ved=0CBwQFjAA&usg=AFQjCNFJuAoYNTT78NMDoZVCtDzeY3-djQ&sig2=BgZDksEi0FbgWDznVkUrpA

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Here is what ct_yankee is talking about.....see the localized red patch next to the green patch near Stamford......the depiction is pretty broad and would need to "tighten" up - no gray in between....smaller much brighter reds and greens literally right next to each other.....

AFD929AE-1905-4898-8402-67DF635624A3_zps

complete noob question (I'm not a met). How do you get the lightning detection in radarscope
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