FVXX21 KNES 101724
VOLCANIC ASH ADVISORY
ISSUED: 20070510/1724Z VAAC: WASHINGTON
VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826 AREA: ECUADOR
SUMMIT ELEVATION: 16480 FT (5023 M)
ADVISORY NUMBER: 2007/315
INFORMATION SOURCE: GOES-12. GFS WINDS.
INFRASOUND DETECTION.
ERUPTION DETAILS: ONGOING EMISSIONS
OBS ASH DATE/TIME: 10/1645Z
OBS ASH CLOUD: SFC/FL180 4NM WIDE LINE BETWEEN
S0102 W07846 - S0127 W07828. ASH IS MOVING NW
11-14 KNOTS.
FCST ASH CLOUD +6H: 10/2300Z SFC/FL180 5NM WIDE
LINE BETWEEN S0110 W07853 - S0128 W07828.
FCST ASH CLOUD +12H: 11/0500Z SFC/FL180 5NM WIDE
LINE BETWEEN S0117 W07859 - S0128 W07829.
FCST ASH CLOUD +18H: 11/1100Z SFC/FL180 5NM WIDE
LINE BETWEEN S0124 W07902 - S0128 W07828.
REMARKS: A 4 NMI WIDE PLUME EXTENDED TO ABOUT 30
NMI TO THE NORTHWEST OF THE VOLCANO BETWEEN
1215Z-1415Z BEFORE BECOMING OBSCURRED BY WEATHER
CLOUDS IN THE REGION. SEISMIC AND ULTRASOUND
DETECTION RECORDED AN ANOMOLY AROUND 1115Z.
BASED ON DIRECTION AND SPEED AS OBSERVED ON
SATELLITE IMAGERY...PLACED HEIGHT AROUND
FL180-FL200. GFS MODEL WINDS SUGGEST THAT ASH AT
THIS HEIGHT WILL SLOWLY SHIFT TO THE WEST THROUGH
THE NEXT 12-18 HOURS. ...BALDWIN
NEXT ADVISORY: WILL BE ISSUED BY 20070510/2330Z
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