FVXX20 KNES 091507 VA ADVISORY DTG: 20180209/1507Z VAAC: WASHINGTON VOLCANO: TURRIALBA 345070 PSN: N1001 W08346 AREA: COSTA_RICA SUMMIT ELEV: 10958 FT (3340 M) ADVISORY NR: 2018/052 INFO SOURCE: GOES-EAST. NWP MODELS. VOLCANO WEB CAMERA. ERUPTION DETAILS: ONGOING VA EMS OBS VA DTG: 09/1445Z OBS VA CLD: SFC/FL140 N1002 W08346 - N0956 W08407 - N1001 W08407 - N1002 W08346 MOV W 10-15KT FCST VA CLD +6HR: 09/2100Z SFC/FL140 N1002 W08346 - N0956 W08407 - N1001 W08407 - N1002 W08346 FCST VA CLD +12HR: 10/0300Z SFC/FL140 N1002 W08346 - N0956 W08407 - N1001 W08407 - N1002 W08346 FCST VA CLD +18HR: 10/0900Z SFC/FL140 N1002 W08346 - N0956 W08407 - N1001 W08407 - N1002 W08346 RMK: VA EXTD 20 NM W FR THE SUMMIT. NWP MODEL GUIDANCE SUGGESTS CONT W MOV THROUGH +18 HRS. ...ZHU NXT ADVISORY: WILL BE ISSUED BY 20180209/2100Z