StormVue NGX Display Using Boltek LD250 Lightning Detection System


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Lightning Records detected by Chatteris Weather.

Chatteris Weather is a contributor to the StrikeStarEU Lightning Detection Network, Chatteris specific output from StrikeStar program can be found here, sensor installation details can be found on the Build Pages.

To find your Latitude and Longitude for the alarm feature, use the map here and note the coordinates or use this location finder.

Here you can calculate the Distance from Lightning from of the speed of the sound. The seconds will be counted from the flash of the lightning till the sound of the thunder. The sounds travel about 1100 to 1200 feet/sec. The default is set at 1150 ft/sec or 350.5 meters/sec or 784 mph.

Lightning Distance Calculator


To Calculate Distance from Lightning:
Time From Flash To Thunder: Seconds
Speed Of Sound In Air: feet/sec



Results:
Distance From Lightning: Miles

Free Personalised Lightning Alert

You can configure your own alerts to lightning using the local Alarm setting feature of StormVue NGX software, this is done from the interactive map display pane above, when the condition you set is met, an alert sound comes through your computers speakers, alternatively you can receive automatic e-mail notifications if thunderstorms are within 50 miles of Chatteris or exceed pre-set strikes per minute. An All Clear follow-up e-mail will be sent when no lightning has been detected for 30 minutes. To use this free feature, please use the Contact page or click on the TSenry logo if this is of interest to you.

For Weather information including lightning activity direct to your hand held device, click here.

TSentry Alert e-mail link

Types of Lightning

Cloud to ground lightning

Cloud-to-ground lightning is the most damaging and dangerous form of lightning. It is not the most common type, but it is the one that is best understood. Most cloud-to-ground lightning strikes come from the negatively charged bottom of the cloud traveling to the positively charged ground below. Some cloud-to-ground lightning strikes deliver positive charges to the ground. Positive strikes are less common and come from the higher regions of the thundercloud.

Often, cloud-to-ground lightning bolts strike the highest object, like the top of a building or the top of a tall tree. The lightning strikes can cause fire and property damage. If a person is the highest object in the lightning bolt's path, the lightning may strike the person. Lightning strikes can cause severe injury or death. Cloud-to-ground lightning is the best understood type of lightning because it leaves so much evidence behind.

In cloud lightning

In cloud lightning is the most common type of lightning. This occurs between oppositely charged centers within the same cloud. This means that there are both positive and negative charges within the same cloud. Usually the process takes place within the cloud and looks like a bright flash of light which flickers. This bright flash may leave the cloud and the flash can be visible for many miles.

Intercloud lightning

A less common lightning strike occurs between oppositely charged areas of different clouds. This means that there are positive and negative charges within different clouds and the strike travels in the air between them. This type of lightning is known as intercloud lightning.