WSNT03 KKCI 140255 SIGA0C KZHU SIGMET CHARLIE 2 VALID 140255/140655 KKCI- HOUSTON OCEANIC FIR FRQ TS OBS AT 0250Z WI N2830 W09400 - N2830 W08745 - N2615 W08930 - N2530 W09445 - N2600 W09600 - N2830 W09400. TOP ABV FL450. MOV ENE 35KT. NC.