WebLight is a form of electromagnetic energy that travels through space as a wave. Like microwaves and x-rays those waves have a wavelength and a frequency. The difference is … WebMEASURING LIGHTNING – 2015 - PAGE 2 The vertical updraft within the cloud can reach a speed of 100 km/h, with similar values for the downdraft. Depending on their relative weight, the elements caught in this huge “washing machine” will reach different speeds and rub one against the other. The friction between particles

Detection Instruments - Detection Instruments GHRC Lightning

WebDec 13, 2024 · Simply count the number of seconds between the flash and the sound of thunder and divide by 5 to get the distance in miles. So, 1 second = less than a mile (a … WebAug 12, 2012 · According to NOAA, there have been confirmed strikes as much as 50 miles away from the thunderstorm. So the rule of thumb is: if you can hear thunder, stay … putkiremontti

How Is Light Intensity Measured? Devices And Units - OMEGA

WebHowever, what matters most in terms of measuring light intensity is the number of lumens falling on a surface, which is expressed as lux. So one lux is one lumen per square meter, this relating brightness to distance from the source. (In the US it’s common to express light intensity in unit of foot-candles. WebThe usual trick for determining the distance to a lightning flash is to count the seconds from when you see the flash until when you hear thunder, and divide by five to get miles (or three to get kilometers). WebApr 27, 2024 · The distance of the thunderstorm from the user's position is portrayed by 1 or 2 of LEDs across D1 ...D18. Counter IC2, counts the space from 100 m to 900 m. In case the thunderstorm is beyond that, counter lC3 deals with the kilometers. For instance, if just LED D5 lights, the thunderstorm is at a distance of 500 m; when LEDs D16 and D3 ... putkisidokset