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Old 12-06-2014, 01:08 PM
 
Location: Lexington, KY
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I wonder what causes these seemingly random pockets of more frequent lightning strikes around the southern US, if this map is accurate.

I find it intriguing that Daytona Beach falls into the same 33+ category as Tampa, both seeing more than Orlando and inland areas. I've always been under the impression that there was more on the west side of the state. It shows a third hot spot around Stuart and WPB.

Kentucky is not sporadic like this, having broader uniform color bands going across.

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Old 12-06-2014, 01:26 PM
 
Location: Lexington, KY
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Here's something else cool done by NWS Melbourne.

Cloud-to-ground lightning incidence from 1989-2004 and probability based on low-level wind flow regimes.

NWS Melborne Lightning Threat Climatology
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Old 12-06-2014, 01:38 PM
 
Location: Alexandria, Louisiana
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I wonder why the Appalachians have fairly low lightning strike incidence.

It seems like some of the pockets are also more prone to severe weather and tornadoes. For example, eastern Oklahoma and northeast Mississippi.
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Old 07-25-2015, 09:10 AM
 
Location: Lexington, KY
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Quote:
Originally Posted by Cambium View Post
That is one cool lightning map!. Too bad most people dont read this thread. Someone should start a thread with that inage I bet would get responses. Lol
Since it's relevant I'll just put it in this thread.

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Old 07-25-2015, 09:15 AM
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Location: Western Massachusetts
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Quote:
Originally Posted by RAlex View Post
I wonder why the Appalachians have fairly low lightning strike incidence.
It almost seems that the Appalachians suppress convection. In the Rockies and many other mountain ranges, the opposite is true.
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Old 07-25-2015, 09:18 AM
 
Location: Near the Coast SWCT
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Quote:
Originally Posted by G8RCAT View Post
Since it's relevant I'll just put it in this thread.
looks like the U.S is the farthest north with 20+, or at least widespread of it.

Looks like the most comes within the heat zones as would suspect.

Also note the Atlantic coast gets more then any other coast that far off. I've seen many lightning storms over the Atlantic Ocean in my days.
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Old 07-25-2015, 09:20 AM
nei nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

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Location: Western Massachusetts
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Surprised that mid-latitude South America has so many. It has a humid subtropical climate there, must be rather prone to unstable weather. Eastern China not so much, despite getting lots rain and humidity — monsoonal flow from the ocean isn't particularly good at creating thunderstorms?
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Old 07-25-2015, 10:20 AM
 
Location: Lexington, KY
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Quote:
Originally Posted by Cambium View Post
looks like the U.S is the farthest north with 20+, or at least widespread of it.

Looks like the most comes within the heat zones as would suspect.

Also note the Atlantic coast gets more then any other coast that far off. I've seen many lightning storms over the Atlantic Ocean in my days.
The US is very lucky when it comes to thunderstorms. Most of the other places that get as much lightning are in the tropics.

Lightning over the ocean is very cool to see.

Quote:
Originally Posted by nei View Post
Surprised that mid-latitude South America has so many. It has a humid subtropical climate there, must be rather prone to unstable weather. Eastern China not so much, despite getting lots rain and humidity — monsoonal flow from the ocean isn't particularly good at creating thunderstorms?
Yeah I didn't expect South America to be that high, either. I bet one of the main reasons why eastern China doesn't see many thunderstorms is lack of sunshine. The monsoonal flow brings plenty of moisture, but little instability.
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Old 06-27-2016, 08:34 PM
 
Location: Lexington, KY
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Flash and stroke density 2005-2014:

http://www.vaisala.com/VaisalaImages...S_2mi_grid.png

http://www.vaisala.com/VaisalaImages...S_2km_grid.png
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Old 06-30-2016, 05:51 PM
 
Location: Near the Coast SWCT
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https://twitter.com/HeatwaveKGNS/sta...40185294815232
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