FVXX20 KWBC 221242
VOLCANIC ASH ADVISORY
ISSUED: 2004JUL22/1242Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128W7826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2004/402
INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12
IMAGERY. GFS MODEL WINDS FORECAST. PILOT REPORT.
ERUPTION DETAILS: ONGOING ASH EMISSIONS
OBS ASH DATE/TIME: 22/1215Z
OBS ASH CLOUD: SFC/FL200 S0121W07924 - S0129W07826
- S0141W07924 - S0121W07924 MOVING W 15-20 KNOTS.
FCST ASH CLOUD +6H: NOT AVBL
FCST ASH CLOUD +12H: NOT AVBL
FCST ASH CLOUD +18H: NOT AVBL
REMARKS: A VERY BRIGHT HOTSPOT WAS SEEN OVER THE
LAST 4 HOURS AT TUNGURAHUA...BUT MULTISPECTRAL IR
DID NOT SHOW ASH. EARLY MORNING VISIBLE
IMAGERY...HOWEVER...DID SHOW A VERY FAINT ASH
PLUME IN THAT FANS OUT FROM THE SUMMIT BETWEEN 250
TO 290 DEGREES FROM THE SUMMIT. AIRCRAFT REPORT
INDICATED FLIGHT LEVEL AT FL190. ...GALLINA
NEXT ADVISORY: WILL BE ISSUED BY 2004JUL22/1845Z
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