DCHP-1 Online
Siwash blanket Pacific Coast and Northwest 
a low ceiling of clouds covering the sky.
- 1926 A Siwash blanket means that on account of the clouds it will be warmer than it would be if the sky were clear.
- 1926 A Siwash blanket means that on account of the clouds it will be warmer than it would be if the sky were clear.