FVXX21 KNES 171534 VA ADVISORY DTG: 20220317/1534Z VAAC: WASHINGTON VOLCANO: SANGAY 352090 PSN: S0200 W07820 AREA: ECUADOR SUMMIT ELEV: 17159 FT (5230 M) ADVISORY NR: 2022/317 INFO SOURCE: GOES-16. NWP MODELS. ERUPTION DETAILS: POSS VA EMS OBS VA DTG: 17/1500Z OBS VA CLD: SFC/FL200 S0159 W07819 - S0202 W07819 - S0212 W07837 - S0201 W07843 - S0159 W07819 MOV SW 10KT FCST VA CLD +6HR: 17/2100Z SFC/FL200 S0159 W07819 - S0202 W07819 - S0216 W07840 - S0205 W07847 - S0159 W07819 FCST VA CLD +12HR: 18/0300Z NO VA EXP FCST VA CLD +18HR: 18/0900Z NO VA EXP RMK: POSS VA EMS SEEN IN STLT MOV SW AND EXT TO 20 NMI FM SUMMIT. SUMMIT OBSC BY MET CLDS. SW MOV EXP THRU T+6. HGT AND MOV BASED ON PREVIOUS VAA, STLT AND NWP MODELS. ...GATLING NXT ADVISORY: WILL BE ISSUED BY 20220317/2130Z