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R = Channel 02 (VIS0.8) G = Channel 04r (IR3.9, solar component) B = Channel 09 (IR10.8)

Day Microphysics RGB devised by: D. Rosenfeld. R = Channel 02 (VIS0.8) G = Channel 04r (IR3.9, solar component) B = Channel 09 (IR10.8). Applications: Cloud Analysis, Convection, Fog, Snow, Fires Area: Full MSG Viewing Area Time: Day-Time. Day Microphysics RGB

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R = Channel 02 (VIS0.8) G = Channel 04r (IR3.9, solar component) B = Channel 09 (IR10.8)

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  1. Day Microphysics RGB devised by: D. Rosenfeld R = Channel 02 (VIS0.8) G = Channel 04r (IR3.9, solar component) B = Channel 09 (IR10.8) Applications: Cloud Analysis, Convection, Fog, Snow, Fires Area: Full MSG Viewing Area Time: Day-Time

  2. Day Microphysics RGB devised by: D. Rosenfeld Recommended Range and Enhancement: Beam Channel Range Gamma Red 02 (VIS0.8) 0 …+100 % 1.0 Green 04r (IR3.9r) 0 ... +60 % 2.5 Blue 09 (IR10.8) +203 ... +323 K 1.0

  3. Physical Interpretation(for dust/ash/water/ice clouds) R = Difference VIS0.8 Optical Thickness, Viewing Geometry G = Difference IR3.9r Optical Thickness, Phase, Particle Size, Viewing Geometry B = Channel IR10.8 Top Temperature

  4. Thin Cirrus cloud (large ice particles) Thin Cirrus cloud (small ice particles) Ocean Veg. Land Fires / Desert Snow Interpretation of Colours for High-level Clouds Deep precipitating cloud (precip. not necessarily reaching the ground) - bright, thick - large ice particles - cold cloud Deep precipitating cloud (Cb cloud with strong updrafts and severe weather)* - bright, thick - small ice particles - cold cloud *or thick, high-level lee cloudiness with small ice particles

  5. Ocean Veg. Land Fires / Desert Snow Interpretation of Colours for Mid-level Clouds Supercooled, thick water cloud - bright, thick - large droplets Supercooled, thick water cloud - bright, thick - small droplets Supercooled thin water cloud with large droplets Supercooled, thin water cloud with small droplets * * or, in rare occasions, thin Ci cloud with small ice particles

  6. Ocean Veg. Land Fires / Desert Snow Interpretation of Colours for Low-level Clouds Thick water cloud (warm rain cloud) - bright, thick - large droplets Thick water cloud (no precipitation) - bright, thick - small droplets Thin water cloud withlarge droplets Thin water cloud with small droplets

  7. Example 1: Severe Convection MSG-1, 13 June 2003, 12:00 UTC

  8. Example 2: Ship Trails MSG-1, 17 January 2006, 13:00 UTC

  9. Example 3: Fires MSG-1, 27 April 2004, 14:15 UTC

  10. Example 4: Ice vs Water Clouds ice ice mixed ice water water MSG-1, 8 October 2003, 12:00 UTC

  11. Example 5: Ice vs Water Clouds water water ice ice ice MSG-1, 26 August 2005, 12:00 UTC

  12. Example 6: Cloud Analysis Fog Fog Fog Fog Fog Fog St St St St St St AC AC AC AC AC AC Snow Snow Snow Snow Snow Snow Ci Ci Ci -32C -32C -32C -32C -32C -32C Cb Cb Cb Cb Cb Cb 0.8 mm 3.9r mm 10.8 mm 10.8 mm 10.8 mm 10.8 mm 10.8 mm 10.8 mm

  13. Example 7: Small vs Large Ice Particles Thin Ice Cloud (small ice) Maputo Thin Ice Cloud (large ice) Thick Ice Cloud (large ice) Thick Ice Cloud (small ice) MSG-1, 6 November 2004, 12:00 UTC

  14. Example 8: Lee Cloudiness Very cold clouds(lee cloudiness) withsmall ice particles MSG-1, 19 March 2007, 08:00 UTC

  15. Example 9: Frontal Clouds MSG-1, 8 November 2005, 12:00 UTC

  16. Example 9: Comparison with Dust RGB MSG-1, 8 November 2005, 12:00 UTC

  17. Example 10: Low Light Conditions MSG-1, 26 May 2007, 16:29 UTC

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