| Answer | Crossword Clue |
|---|---|
| stratocumuli | Cloud forming a low layer of clumped or broken gray masses |
| stratocumulus | Cloud forming a low layer of clumped or broken gray masses |
| nimbostratus | A type of cloud forming a thick uniform gray layer at low altitude, from which rain or snow often falls (without any lightning or thunder) |
| cirrocumulus | Cloud forming a broken layer of small fleecy clouds at high altitude, usually 16,500û45,000 feet (5û13 km), typically with a rippled or granulated appearance (as in a mackerel sky) |
