FVXX21 KNES 131713 VA ADVISORY DTG: 20180313/1713Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/109 INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA EMS OBS VA DTG: 13/1645Z OBS VA CLD: SFC/FL150 N1005 W08405 - N1002 W08345 - N1001 W08345 - N1001 W08405 - N1005 W08405 MOV W 10KT FCST VA CLD +6HR: 13/2300Z SFC/FL150 N1005 W08408 - N1003 W08345 - N1001 W08345 - N0959 W08408 - N1005 W08408 FCST VA CLD +12HR: 14/0500Z SFC/FL150 NO ASH EXP FCST VA CLD +18HR: 14/1100Z NO ASH EXP RMK: VA EXTD 20 NMI W OF SUMMIT. MODELS KEEP A W MOV AT T+6. ...WHISNANT NXT ADVISORY: WILL BE ISSUED BY 20180313/2315Z