WSNT13 KKCI 041800
SIGA0M
TJZS SIGMET MIKE 4 VALID 041800/042200 KKCI-
SAN JUAN OCEANIC FIR FRQ TS OBS AT 1800Z WI N1845 W06700 - N1745
W06315 - N1515 W06330 - N1615 W06630 - N1715 W06600 - N1745
W06730 - N1845 W06700. TOP FL350. MOV ENE 20KT. NC.