SPCN44 CWAO 040521 SPECI CYOD 040521Z 02006KT 12SM -TSRA FEW025CB BKN040 12/11 A3004 RMK CB1SC4 DENSITY ALT 1814FT PCPN VRY LGT CB SE MOVG SE FRQ LTGCCCG SLP180=