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source: www.eumetsat.org
MSG1 RGB 05-06, 08-09, 05i ("Airmass")
R = Difference WV6.2 - WV7.3 G = Difference IR9.7 - IR10.8 B = Channel WV6.2i
Recommended Range and Enhancement:
Beam Channel Range Gamma Gamma2
Red WV6.2 - WV7.3 -25 ... 0 1.0 1.0
Green IR9.7 - IR10.8 -40 ... +5 1.0 1.0
Blue WV6.2 +243 ... +208 1.0 1.0
dry descending stratospheric air related to an advection jet appears in reddish colours RGB 131, 8, 12
warm airmasses with high tropopause appear in greenish colours ! RGB 27, 114, 32
warm airmasses seen at a high satellite viewing angle appear with a bluish colour (limb cooling effect) !
cold airmasses with low tropopause appear in bluish colours ! RGB 58, 8, 126