FVXX23 KNES 301442
VOLCANIC ASH ADVISORY
ISSUED: 20070330/1442Z   VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
LOCATION: S0128 W07826   AREA: ECUADOR

SUMMIT ELEVATION: 16480 FT (5023 M)

ADVISORY NUMBER: 2007/153

INFORMATION SOURCE: GUAYAQUIL MWO. GOES-12. GFS
WINDS. PILOT REPORT. 

ERUPTION DETAILS: THIN ASH OBSERVED.

OBS ASH DATE/TIME: 30/1415Z

OBS ASH CLOUD: FL160/300 S0128 W07828 - S0141
W07844 - S0129 W07849 - S0128 W07828 MOVING W 10
KNOTS. 

FCST ASH CLOUD +6H: 30/2030Z FL160/300 S0128
W07828 - S0145 W07844 - S0130 W07855 - S0128
W07828 

FCST ASH CLOUD +12H: 31/0230Z FL160/FL300 S0126
W07856 - S0127 W07828 - S0144 W07850 - S0126
W07856 

FCST ASH CLOUD +18H: 31/0830Z FL160/FL300 S0126
W07829 - S0148 W07850 - S0132 W07859 - S0126
W07829 

REMARKS: CURRENT VISIBLE SATELLITE IMAGERY SHOWS
A 6-7 NMI WIDE OF THIN ASH SPREADING OUT TO THE
WESTSOUTHWEST OF THE VOLCANO ABOUT 18-20 NMI. 
SEVERAL PILOT REPORTS SHOWED ASH UP TO FL240 BUT
AN INSTITUTE REPORT AT 1410Z SHOWED HEIGHT TO
FL300.  NO DEFINITIVE HOTSPOT CAN BE SEEN AT THE
SUMMIT.  MODEL WINDS SUGGEST LITTLE CHANGE IN
SPEED OR DIRECTION THRU THE NEXT 12-18 HOURS.
...BALDWIN

NEXT ADVISORY: WILL BE ISSUED BY 20070330/2045Z

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