FVXX22 KWBC 091040 CCA VOLCANIC ASH ADVISORY...CORRECTION ISSUED: 2001SEP09/1040Z VAAC: WASHINGTON CORRECTION FOR TIMES IN ADVISORY... . VOLCANO: POPOCATEPETL 1401-09 LOCATION: 1901N 9837W AREA: MEXICO . SUMMIT ELEVATION: 17930 FT (5465 M) . ADVISORY NUMBER: 2001/93 . INFORMATION SOURCE: CENAPRED POPO CAMERA. . ERUPTION DETAILS: VOLCANIC ACTIVITY OBSERVED AT 09/0955Z. . DETAILS OF ASH CLOUD: DUE TO CLOUD COVER OVER THE REGION NO PLUME CAN BE DETECTED IN SATELLITE IMAGERY THROUGH 09/0945Z. CHECKING THE POPO CAMERA AT 0955Z SHOWED SOME MODERATE INCANDESCENCE AT THE VOLCANO SUMMIT AND IT WAS ILLUMINATING A PLUME ALSO FROM THE SUMMIT. DUE TO DARKNESS IT IS DIFFICULT TO SEE THE HEIGHT OF THE PLUME BUT IT DOES NOT APPEAR TO EXTEND HIGH ABOVE THE SUMMIT AND LOOKS LIKE IT IS MOVING SOUTHWEST. IT IS NOT KNOWN IF THE PLUME CONTAINS ASH. . TRAJECTORY: THE 09/0000Z UPPER LEVEL WINDS AT MEXICO CITY INDICATED ANY ASH WOULD MOVE SOUTHWEST TO SOUTH BELOW FL230 AROUND 10 TO 15 KNOTS. ASH AROUND FL250 WOULD MOVE WEST AROUND 10 KNOTS. . OUTLOOK: SEE SIGMETS. . THE NEXT ADVISORY WILL BE ISSUED BY 09/1515Z OR SOONER IF ASH IS DETECTED IN SATELLITE IMAGERY OR MORE INFORMATION BECOMES AVAILABLE. . INTERNET URLS... MESSAGE LISTSERV WWW.SSD.NOAA.GOV/VAAC/SUBSCRIBE.HTML MESSAGES GRAPHICS AND IMAGERY WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML (ALL LOWERCASE EXCEPT /VAAC/) . PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS. . . NNNN