LAB3_091311 - NAME: _ MSC 243 LAB 3. SEPTEMBER 13 2011...

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MSC 243 LAB 3. SEPTEMBER 13 2011 INTERPRETING SATELLITE IMAGERY Due by the end of today’s Lab (3:15pm) Goals: To get hands-on experience interpreting visible, infrared, and water vapor satellite imagery. A brief summary of guidelines for interpreting clouds on satellite images is given below. Go to http://metofis.rsmas.miami.edu/~msc243/schedule.html and download Lab 3 SUMMARY OF GUIDELINES FOR INTERPRETING CLOUDS Low Clouds A significant amount of sunlight is reflected (scattered) back to space by low clouds. Thus, low clouds look bright on visible images. On infrared images, low clouds appear gray because their tops are relatively warm. Low clouds are typically not represented on water vapor images because they are too low in the atmosphere to be detected. Cirrus Clouds The amount of sunlight that is reflected (scattered) back to space by cirrus is less than what is reflected back by more dense (and reflective) low clouds. Thus, compared with low clouds, cirrus looks off-white on visible imagery. On infrared images, cirrus clouds appear white because their tops are very cold (they are high in the atmosphere). Tall cumulus clouds or Cumulonimbus clouds From the ground, the base of a cumulonimbus cloud usually appears very dark, which means that little visible light is getting through. Thus, such thick clouds must be reflecting a large amount of visible light back to space, so tall cumulonimbus clouds appear bright white on visible images. The high tops of cumulonimbus clouds are cold and thus appear bright white on infrared
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This note was uploaded on 01/08/2012 for the course MSC 243 taught by Professor Majumdar,s during the Fall '08 term at University of Miami.

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LAB3_091311 - NAME: _ MSC 243 LAB 3. SEPTEMBER 13 2011...

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