cloud street
n.— «The cloud formations are all along the coastline. Cloud streets, as they are called, are rows of cumulus or cumulus-type clouds that are aligned parallel to the low-level wind.» —“NASA MODIS Image of the Day: January 22, 2007—Cloud Streets off New England and the Maritimes” SpaceRef.com Jan. 22, 2007. (source: Double-Tongued Dictionary)