458 
FTUS41 KPHI 172320
TAFTTN
TAF
KTTN 172320Z 1800/1824 VRB03KT P6SM OVC150
     FM181100 05007KT 5SM -SN BR OVC050
     FM181400 06007KT 2SM -SN BR OVC015
     FM181600 08008KT 1/2SM -SN FG OVC008
     FM181800 08008KT 1/2SM SN FG OVC005
      TEMPO 1818/1822 1SM -SNPL
     FM182200 07008KT 1SM -SN BR OVC005=