WSNT11 KKCI 030915 KZMA KZHU SIGMET KILO 4 VALID 030915/031515 KKCI- MIAMI OCEANIC FIR HOUSTON OCEANIC FIR TC ARLENE OBS AT 0900Z NR N2430 W08530. MOV SSE 08KT. WKN. FRQ TS TOP FL400 WI N2630 W08545 - N2600 W08230 - N2400 W08230 - N2400 W08515 - N2400 W08600 - N2630 W08545. FCST 1800Z TC CENTER N2342 W08442.