FVXX24 KNES 260256 VA ADVISORY DTG: 20181126/0256Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/284 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. OVSICORI-UNA. ERUPTION DETAILS: CONT CONS VA EMS. OBS VA DTG: 26/0215Z OBS VA CLD: SFC/FL120 N1002 W08346 - N1000 W08346 - N0951 W08424 - N0956 W08426 - N1002 W08346 MOV W 10-15KT FCST VA CLD +6HR: 26/0830Z SFC/FL120 N1002 W08439 - N1002 W08345 - N1000 W08345 - N0951 W08437 - N1002 W08439 FCST VA CLD +12HR: 26/1430Z SFC/FL120 N1003 W08440 - N1001 W08346 - N1000 W08346 - N0947 W08438 - N1003 W08440 FCST VA CLD +18HR: 26/2030Z SFC/FL120 N1002 W08346 - N1000 W08345 - N0940 W08436 - N0958 W08443 - N1002 W08346 RMK: RPRT FM OVSICORI STATES ONGOING ERUPTION SINCE NOV 23. WEBCAM SHOWS CONS VA EMS MOV TO WSW. OBS AND FCST POLYGONS BASED ON NWP MDL WINDS AND WEBCAM OBS. ...HOSLEY NXT ADVISORY: WILL BE ISSUED BY 20181126/0900Z