WVNT08 KKCI 290740 KZHU SIGMET HOTEL 1 VALID 290745/291345 KKCI- HOUSTON OCEANIC FIR VA ERUPTION POPOCATEPETL VA CLD PSN 1901N 09837W FCST WI N2630 W09530 - N2545 W09500 - N2600 W09545 - N2600 W09715 - N2630 W09530. SFC/FL280. MOV N 35KT. FCST VA CLD +6HR: 29/1230Z SFC/FL280 N2255 W09801 - N2241 W09659 - N1858 W09831 - N1904 W09849 - N2255 W09801.