Aviation Digital Data Service (ADDS)

Output produced by METARs form (1442 UTC 21 April 2014)
found at http://aviationweather.gov/adds/metars/
 
KROA 211120Z 2112/2212 13003KT P6SM SCT250 
     FM212100 15006KT P6SM BKN250 
     FM221100 VRB03KT P6SM SCT120 BKN200