FVXX20 KNES 011357 VA ADVISORY DTG: 20180301/1357Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/079 INFO SOURCE: GOES-EAST. CIMSS VOLCAT. VOLCANO WEB CAMERA. ERUPTION DETAILS: LGT VA EMS OBS VA DTG: 01/1315Z OBS VA CLD: SFC/FL140 N1001 W08346 - N1001 W08346 - N0958 W08350 - N0959 W08350 - N1001 W08346 MOV SW 5-10KT FCST VA CLD +6HR: 01/1930Z SFC/FL140 N1002 W08346 - N1001 W08346 - N0955 W08353 - N0956 W08354 - N1002 W08346 FCST VA CLD +12HR: 02/0130Z SFC/FL140 NO ASH EXP FCST VA CLD +18HR: 02/0730Z NO ASH EXP RMK: LGT VA EXTD 6 NM SW FR THE SUMMIT. NWP MODEL SUGGESTS A SW MOV THROUGH +6 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180301/2000Z