CM C5 NS NIMBOSTRATUS
THE MAIN BODY OF NIMBOSTRARTUS ALMOST INVARIABLY OCCURS AT ALTITUDES
2 - 4 KM (6500 - 13000 FEET) IN POLAR REGIONS
2 - 7 KM (6500 - 23000 FEET) IN TEMPERATE REGIONS
2 - 8 KM (6500 - 25000 FEET) IN TROPICAL REGIONS
NIMBOSTRATUS IS GENERALLY THICKER THAN ALTOSTRATUS; ITS VERTICAL EXTENT RANGES FROM 2 - 8 KM (6500 - 25 000 FEET)
