FVXX20 KNES 071738 VA ADVISORY DTG: 20180207/1738Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/043 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS. OBS VA DTG: 07/1715Z OBS VA CLD: SFC/FL130 N1004 W08352 - N1002 W08347 - N1001 W08346 - N0959 W08352 - N1004 W08352 MOV W 10-15KT FCST VA CLD +6HR: 07/2330Z SFC/FL130 N1004 W08353 - N1002 W08346 - N1001 W08346 - N1000 W08353 - N1004 W08353 FCST VA CLD +12HR: 08/0530Z SFC/FL130 N1002 W08347 - N1001 W08346 - N0956 W08351 - N1000 W08353 - N1002 W08347 FCST VA CLD +18HR: 08/1130Z SFC/FL130 N1002 W08346 - N1001 W08346 - N0956 W08349 - N0958 W08352 - N1002 W08346 RMK: A SMALL PLUME OF VA AND GASES CAN BE SEEN IN VISIBLE STLT IMAGERY. PLUME IS ATTACHED TO SUMMIT AND EXTENDS TO LESS THAN 10 NM W OF SUMMIT. VA PLUME WILL EVENTUALLY SHIFT SW OVER THE NEXT 12-18 HRS. ...LEE NXT ADVISORY: WILL BE ISSUED BY 20180207/2345Z