Lightning Display - Help

Description:
This map is displaying the current and past 60 minutes of lightning strikes for a max distance of 350 miles, which is updated automatically every one to two minutes. This map will automatically zoom to the furthest out detected storm. If no storms are detected the map will be zoomed out all the way. Across the very top of the map you will see white and green text. Below is what that text means, reading from left to right:
Strike Rate: Current Strike Rate Per Minute
AutoRng: The Zoom Level The Map Is At
Mode: Disregard, Used For Our Purposes Only
Persistence: Time Frame Of Plotted Strikes (Will Always Be 60 Minutes)
Time Shown In Green Is The Time The Map Was Created


Strike Symbols:
Displayed at the top of the map.

Term -CG -IC +CG +IC
Description
Negative Cloud to Ground Strike
Negative Cloud to Intracloud Strike
*Positive Cloud to Ground Strike
Positive Cloud to Intracloud Strike
*The most deadly type of lightning.


Storm TRAC Symbols:
The diamond shaped TRAC symbol is seen on the map when a thunderstorm cell is detected. From the TRAC symbol you can get the storm identification number, dominating cloud to ground strike polatiry, strikes per minute and if the strike rate is increasing, decreasing or steady. This information is read from left to right. Below is some of the symbols used in the TRAC report.

Strike Polarity Key: Strike Rate Key:
"+" Mostly Positive Cloud to Ground Strikes "^" increasing
"-" Mostly Negative Cloud to Ground Strikes "V" decreasing
"-" no change


TRAC Examples:
Symbol Strength Description
Weak Identification:
R-29

Strike Polarity:
Negative

Strike Rate/Change:
5 per/min with no change
Moderate Identification:
L-49

Strike Polarity:
Positive

Strike Rate/Change:
8 per/min with no change
Strong/Severe Identification:
J-831

Strike Polarity:
Negative

Strike Rate/Change:
12 per/min and decreasing


If you have any further question do not hesitate to contact us.