FVXX22 KNES 091951 VA ADVISORY DTG: 20181209/1951Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/313 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. ERUPTION DETAILS: CONT VA EMS OBS VA DTG: 09/1930Z OBS VA CLD: SFC/FL160 N1008 W08420 - N1003 W08346 - N0956 W08419 - N1008 W08420 MOV W 5KT FCST VA CLD +6HR: 10/0130Z SFC/FL160 N1008 W08420 - N1003 W08346 - N0956 W08419 - N1008 W08420 FCST VA CLD +12HR: 10/0730Z SFC/FL160 N1008 W08420 - N1003 W08346 - N0956 W08419 - N1008 W08420 FCST VA CLD +18HR: 10/1330Z SFC/FL160 N1008 W08420 - N1003 W08346 - N0956 W08419 - N1008 W08420 RMK: CONT VA EMS OBS MOV W IN STLT IMAGERY. VA APPEARS TO HAVE LOW ASH CONTENT AND IS QUICKLY DISP IN IMAGERY. VO ACT HIGH IN WEBCAMERA. ...FISHER NXT ADVISORY: WILL BE ISSUED BY 20181210/0145Z