KXNA 211720Z 2118/2218 VRB05KT P6SM SKC 
  FM211900 25006KT P6SM FEW040 SCT100 
  FM220100 VRB04KT P6SM FEW050 BKN100 
  PROB30 2202/2207 4SM -TSRA BKN050CB 
  FM221400 08006KT P6SM FEW020 SCT080 BKN150