/^(\w{4}) (\d{2})(\d{4})Z (?:(AUTO) )?(?:(\d{3}|VRB|\/{3})(?:(\d{2,3})G)?(?:(\d{2,3})(KT|MPS)) )?(\d{3}V\d{3} )?(CAVOK )?(?:((?:(?:.*?)(?:SM|KM)|9999)|(?:\d{4}))(?:NDV)? |\/{4} )?((?:R?(?:\d{2}[LR]?\/)?(?:[MP]?\d{4}[UDN]?|\d{4}V\d{4}) )*)?((?:(?:-|\+|VC)?(?:MI|PR|BC|DR|BL|SH|TS|FZ)?(?:DZ|RA|SN|SG|IC|PE|GR|GS|UP|RASN)?(?:BR|FG|FU|VA|DU|SA|HZ|PY)?(?:PO|SQ|FC|SS)? |\/\/ )*)?((?:(?:CLR|SKC|FEW|SCT|BKN|OVC|VV|NSC|NCD|\/{2,3})(?:\d{3})?(?:CU|CB|TCU|CI|CBMAM|ACC|CLD|SW|\/{2,3})? )*)(?:(M?\d{1,2})\/(M?\d{1,2})? )?([AQ]\d{4})?(?: NOSIG)?( RMK.*)?/