000 WSNT05 KKCI 211645 SIGA0E KZMA KZHU SIGMET ECHO 4 VALID 211645/212045 KKCI- MIAMI OCEANIC FIR HOUSTON OCEANIC FIR FRQ TS OBS AT 1645Z WI N2815 W08845 - N2700 W08515 - N2545 W08630 - N2700 W09015 - N2815 W08845. TOP FL300. MOV E 30KT. WKN.