Acronym for the SEASAT-A Scatterometer System, an active backscatter scatterometer operating at a frequency of 13 0 GHz which produced earth locatino and time tagged backscatter coefficients, surface wind stress, and surface wind vectors (with a 180 degree directional ambiguity)
Average Cloudiness Sunrise to Sunset (begin September 1992 for ASOS sites) This is the average of all available 30-second ceilometer data for the period from sunrise to sunset expressed in oktas of cloud cover at or below 12,000 feet The DATA-VALUES are defined in Reference Table "C1"