WSNT08 KKCI 051830 SIGA0H KZMA KZHU SIGMET HOTEL 1 VALID 051830/052230 KKCI- MIAMI OCEANIC FIR HOUSTON OCEANIC FIR FRQ TS OBS AT 1830Z WI N2630 W08400 - N2500 W08315 - N2415 W08600 - N2515 W08600 - N2630 W08400. TOP FL510. MOV NE 10KT. NC.