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744rules
25th Mar 2005, 13:41
ULLI 240745Z 240918 18007G12MPS 9999 BKN020CB 620200 530002 TEMPO 1218 1500 SHSNRA BKN005CB=

can someone explain the numbers 620200 and 530002

thanks in advance

PropstoMAX
25th Mar 2005, 16:31
620200
6 - Group: airframe ice accretion
2 - Type of airframe ice accretion: light in cloud
020 - Height AGL of lowest icing level (100's of ft): 2000ft
0 - Thickness of icing layer: Up to top of clouds

530002
5 - Group: turbulence
3 - Turbulence: Moderate in clear air, frequent
000 - Height AGL of lowest level of turbulence (100's of ft): 0ft
2 - Thickness in 1000's of ft: 2000ft

Hope this helps..

selfin
25th Mar 2005, 20:14
If I'm reading the WMO 306 manual correctly, this is a set of codes from ARFORs, no?

744rules
26th Mar 2005, 09:03
thanks for your help