SAAK40 KNKA 192107
METAR PAFB 192055Z COR 00000KT 3SM -SN FEW020 SCT026 BKN031 M11/M13
      A2995 RMK AO2A SLP158 WND DATA ESTMD P0001 T11101131 53005
      RVRNO PWINO $ COR 2101=
METAR PAFB 192055Z 00000KT 2SM -SN FEW020 SCT026 BKN031 M11/M13 A2995
      RMK AO2A SLP158 WND DATA ESTMD P0001 T11101131 53005 RVRNO
      PWINO $=