METAR KCHA 271053Z 00000KT 10SM FEW085 FEW200 13/09 A2998 RMK AO2 SLP147 T01330094
TAF KCHA 270520Z 2706/2806 VRB03KT P6SM FEW200 
  FM271500 01009KT P6SM SCT250 
  FM280000 VRB03KT P6SM SCT250