WCSO20 AGGG 050925 AGGG SIGMET B01 VALID 050925/ 051525 AGGH- AGGG HONIARA FIR TC JASPER OBS AT 0600Z S0940 E1572 CB TOP FL520 WI 120NM OF CENTRE MOV S 05KT INTSF FCST 051200Z TC CENTRE S0101 E1579=