WSNT03 KKCI 271450 KZMA SIGMET CHARLIE 2 VALID 271450/271850 KKCI- MIAMI OCEANIC FIR FRQ TS OBS AT 1450Z WI 30NM EITHER SIDE OF LINE N2330 W07630 - N2130 W07330. TOP FL420. STNR. INTSF.