Assessment :: VIIRS/MODIS 24-hr Microphysics RGB: Summer, High-Latitude


(2015, June – August)

An assessment was conducted from June 15 to August 7 by NASA/SPoRT in collaboration with operational forecasters in Alaska WFOs regarding the use of multi-spectral (i.e. RGB) imagery from VIIRS (NPP) and MODIS (Aqua & Terra) as a proxy to future JPSS and GOES satellite missions for the purpose of improving analysis of low ceiling and visibility hazards to aviation users for use in nowcasts/forecasts (i.e. TAFs). The 24-hr Microphysics RGB is very similar to the Nighttime Microphysics RGB except the green component uses the 11-8.7 μm channel difference vs the 11-3.9 μm channel difference and therefore, the 24-hr Microphysics can be used at all times of day. User feedback, application examples and recommendations are presented

Full Title: 
SPoRT Assessment Report for NOAA Satellite Proving Ground: Impact of the 24-hour Microphysics RGB Imagery for Alaska Aviation Forecasts of Low Clouds during Summer 2015
24-hr Microphysics RGB, Nighttime Microphysics RGB
Date:  2015, June – August
Region: Alaska
Need(s) Addressed: Differentiate low clouds and fog from other cloud features related to aviation ceiling and visibility hazards




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