FVXX21 KNES 011351 VA ADVISORY DTG: 20230501/1351Z VAAC: WASHINGTON VOLCANO: RUIZ 351020 PSN: N0453 W07519 AREA: COLOMBIA SUMMIT ELEV: 17319 FT (5279 M) ADVISORY NR: 2023/251 INFO SOURCE: GOES-16. WEBCAM. NWP MODELS. ERUPTION DETAILS: DISCRETE VA EMS OBS VA DTG: 01/1310Z OBS VA CLD: SFC/FL200 N0457 W07540 - N0456 W07534 - N0450 W07534 - N0449 W07540 - N0457 W07540 MOV W 15KT FCST VA CLD +6HR: 01/1900Z SFC/FL200 N0504 W07544 - N0455 W07519 - N0452 W07519 - N0450 W07546 - N0504 W07544 FCST VA CLD +12HR: 02/0100Z NO VA EXP FCST VA CLD +18HR: 02/0700Z NO VA EXP RMK: VA EMS OBS IN STLT IMG MOV W EXT 20 NMI FM SUMMIT. W MVMT EXP THRU T+6. FL AND MVMT BASED ON STLT AND NWP MODELS. ...GATLING NXT ADVISORY: WILL BE ISSUED BY 20230501/1945Z