000 
FTUS42 KJAX 301100
TAFGNV
TAF
KGNV 301120Z 3012/3112 00000KT P6SM SKC
     FM301400 19008KT P6SM FEW120 SCT250
     FM302300 23005KT P6SM FEW060 FEW120 SCT250
     FM310600 00000KT P6SM BKN120 BKN250=