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TeachMeFinance.com - explain Lightning Imaging Sensor (LIS) Lightning Imaging Sensor (LIS) The term 'Lightning Imaging Sensor (LIS)' as it applies to the area of Earth observation can be defined as ' A small, highly sophisticated instrument that detects and locates lightning over the tropical region of the globe. Looking down from a vantage point aboard the Tropical Rainfall Measuring Mission (TRMM) observatory, 218 miles (350 kilometers) above the Earth, the sensor is providing information that could lead to future advanced lightning sensors capable of significantly improving weather 'nowcasting.' The Lightning Imaging Sensor is three times more sensitive than a predecessor instrument known as the Optical Transient Detector. The LIS will study both day and night cloud-to-ground, cloud-to-cloud and intra-cloud lightning '. Previous 5 Terms: Lighting Demand-Side Management (DSM) program Lighting equipment Lightning Lightning Channel Lightning Discharge Next 5 Terms: Lightning Stroke Lights ligniform Lignite ligulate About the author Mark McCracken Author: Mark McCracken is a corporate trainer and author living in Higashi Osaka, Japan. He is the author of thousands of online articles as well as the Business English textbook, "25 Business Skills in English". Copyright © 2005-2011 by Mark McCracken, All Rights Reserved. TeachMeFinance.com is an informational website, and should not be used as a substitute for professional medical, legal or financial advice. Information presented at TeachMeFinance.com is provided on an "AS-IS" basis. Please read the disclaimer for details.