FVXX22 KNES 170540 VA ADVISORY DTG: 20130317/0540Z VAAC: WASHINGTON VOLCANO: TUNGURAHUA 1502-08 PSN: S0128 W07826 AREA: ECUADOR SUMMIT ELEV: 16480 FT (5023 M) ADVISORY NR: 2013/070 INFO SOURCE: GOES-13. GFS WINDS. GEOPHYSICAL INST. ERUPTION DETAILS: HEIGHTENED LEVEL OF ACTIVITY OBS VA DTG: 17/0445Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS FL100/FL210 040/10-15KT FCST VA CLD +6HR: 17/1100Z FCST VA CLD +12HR: 17/1700Z FCST VA CLD +18HR: 17/2300Z RMK: VA NOT DETECTED IN STLT IMAGERY DUE TO EXTENSIVE WX CLDS. VO INDICATED HEIGHTENED LEVEL OF ACTIVITY WITH ASHFALLS RPRTD SINCE 1755 LOCAL TIME. VO NOTED DECREASE IN ACTIVITY AFTER 1940 LOCAL TIME. ...TURK NXT ADVISORY: WILL BE ISSUED BY 20130317/1145Z