FVXX21 KNES 230535 VA ADVISORY DTG: 20130523/0535Z VAAC: WASHINGTON VOLCANO: POPOCATEPETL 1401-09 PSN: N1901 W09837 AREA: MEXICO SUMMIT ELEV: 17802 FT (5426 M) ADVISORY NR: 2013/114 INFO SOURCE: GOES-15. GFS WINDS. VOLCANO WEB CAMERA. ERUPTION DETAILS: VA NOT OBSERVED IN STLT IMAGERY OBS VA DTG: 23/0500Z OBS VA CLD: VA NOT IDENTIFIABLE FROM SATELLITE DATA WINDS SFC/FL230 270/0-5KT FCST VA CLD +6HR: 23/1100Z FCST VA CLD +12HR: 23/1700Z FCST VA CLD +18HR: 23/2300Z RMK: VA NOT OBSERVED IN CLDY NIGHTTIME IMAGERY. WEB CAM DOES NOT SHOW HOT SPOT. DETECTION DIFFICULT WITHOUT G-13. ...SALEMI NXT ADVISORY: WILL BE ISSUED BY 20130523/1130Z