METEOSAT SECOND GENERATION (MSG) APPLICATIONS OF METEOSAT SECOND GENERATION (MSG) DAY-TIME CONVECTION AFRICAN EXAMPLES Author: Jochen Kerkmann (EUMETSAT) (kerkmann@eumetsat.de) Contributors: D. Rosenfeld (HUJ)
Note: in this Powerpoint presentation (in most cases) the SEVIRI images are not inverted, i.e. displayed as solar channels. If a channel is inverted, this is denoted by the small letter "i".
Convection Kenya/Uganda 24 April 2003
Low-level Clouds Convection Somalia Thin Cirrus Uganda MSG-1 24 April 2003 12:00 UTC RGB Composite R = NIR1.6 G = VIS0.8 B = VIS0.6 Kenya Tanzania
Click on the icon to see the animation (08:30-12:00 UTC, AVI, 18295 KB) ! MSG-1 24 April 2003 08:30 UTC RGB Composite R = NIR1.6 G = VIS0.8 B = VIS0.6
Click on the icon to see the animation (08:30-12:00 UTC, AVI, 6522 KB) ! MSG-1 24 April 2003 08:30 UTC Channel 03 (NIR1.6)
Convection Northern Cameroon 20 May 2003
Chad Severe Convection Sudan Central African Republic Squall Line MSG-1 20 May 2003 14:00 UTC RGB Composite R = NIR1.6 G = VIS0.8 B = VIS0.6 Cameroon Dem. Republic of the Kongo
Click on the icon to see the animation (12:00-14:15 UTC, AVI, 3884 KB) ! MSG-1 20 May 2003 12:00 UTC Channel 09 (IR10.8)
Click on the icon to see the animation (12:00-14:15 UTC, AVI, 4486 KB) ! MSG-1 20 May 2003 12:00 UTC Channel 01 (VIS0.6)
Click on the icon to see the animation (12:00-14:15 UTC, AVI, 4484 KB) ! MSG-1 20 May 2003 12:00 UTC Channel 06 (WV7.3)
Click on the icon to see the animation (12:00-14:15 UTC, AVI, 4486 KB) ! MSG-1 20 May 2003 12:00 UTC Channel 04 (IR3.9)
High reflectance / Warm Click on the icon to see the animation (12:00-14:15 UTC, AVI, 4486 KB) ! High reflectance / Warm (ground or low water clouds) High reflectance /Cold (high clouds, small ice part.) Low reflectance / Cold (high clouds, large ice part.) MSG-1 20 May 2003 12:00 UTC Channel 04 - Zoom 6 (IR3.9)
Click on the icon to see the animation (12:00-14:15 UTC, AVI, 12197 KB) ! MSG-1 20 May 2003 12:00 UTC RGB Composite - Zoom 6 R = VIS0.6 G = IR3.9 B = IR10.8
New Convective Developments Top Temp. -78°C Small Ice Particles 12:30 UTC 12:45 UTC 13:00 UTC Top Temp. -83°C Large Ice Particles 13:15 UTC 13:30 UTC 13:45 UTC 20 May 2003, RGB VIS0.6-IR3.9-IR12.0
20 May 2003, RGB VIS0.6-IR3.9i-IR12.0i 12:30 UTC 12:45 UTC 13:00 UTC
Click on the icon to see the animation (12:00-14:15 UTC, AVI, 261 KB) ! MSG-1 20 May 2003 13:45 UTC Channel 03 - Zoom 6 (NIR1.6)
Convection Central Africa 7 September 2003
Thin Cirrus Low-level Clouds MSG-1 7 September 2003 12:45 UTC RGB Composite R = NIR1.6 G = VIS0.8 B = VIS0.6 Tanzania Dem. Republic of the Kongo Severe Convection Angola
MSG-1 7 September 2003 11:45 UTC Channel 09i (IR10.8)
1 2 4 5 3 1. Large warm ice 2. Large cold ice 3. Small cold ice 4. Small cold water 5. Large warm water 4 5 3 MSG-1 7 September 2003 11:45 UTC RGB Composite VIS0.8 - IR3.9 - IR10.8
MSG-1 7 September 2003 12:00 UTC RGB Composite VIS0.8 - IR3.9 - IR10.8
MSG-1 7 September 2003 12:15 UTC RGB Composite VIS0.8 - IR3.9 - IR10.8
Convection Niger 8 September 2003
Severe Convection MSG-1 8 September 2003 15:00 UTC Channel 09i (IR10.8)
Low-Level Clouds Overshooting Top MSG-1 8 September 2003 15:00 UTC RGB Composite R = HRV G = HRV B = IR10.8i Thin Cirrus Cirrus Outflow
Click on the icon to see the animation (12:00-16:00 UTC, AVI, 3625 KB) ! MSG-1 8 September 2003 12:00 UTC Channel 09i (IR10.8)
Click on the icon to see the animation (12:00-16:00 UTC, AVI, 2961 KB) ! High reflectance (desert, water clouds) Lower reflectance (ice clouds) MSG-1 8 September 2003 12:00 UTC Channel 03 (NIR1.6)
Click on the icon to see the animation (12:00-16:00 UTC, AVI, 20734 KB) ! MSG-1 8 September 2003 12:00 UTC RGB Composite R = VIS0.6 G = NIR1.6 B = IR10.8
Convection West Africa 23 September 2003
MSG-1, 23 September 2003, 11:30 UTC, Channel IR3.9i Convective Outflow Boundary Convection along low-level Convergence Line MSG-1, 23 September 2003, 11:30 UTC, Channel IR3.9i
Click on the icon to see the animation (09:45-11:30 UTC, AVI, 2694 KB) ! MSG-1 23 September 2003 09:45 UTC Channel 04i (IR3.9)