FVXX20 KNES 191249
VA ADVISORY
DTG: 20131019/1249Z

VAAC: WASHINGTON

VOLCANO: TUNGURAHUA 1502-08
PSN: S0128 W07826

AREA: ECUADOR

SUMMIT ELEV: 16480 FT (5023 M)

ADVISORY NR: 2013/279

INFO SOURCE: GUAYAQUIL MWO. GOES-13. GFS WINDS.
HYSPLIT. SEISMIC DETECTION. VOLCANO WEB CAMERA.
PILOT REPORT. GEOPHYSICAL INST. UKMET WINDS.
ECMWF WINDS.

ERUPTION DETAILS: FREQUENT SHORT DURATION VA
EMISSIONS

OBS VA DTG: 19/1215Z

OBS VA CLD: SFC/FL310 S0113 W07923 - S0126 W07826
- S0132 W07825 - S0143 W07939 - S0126 W07943 -
S0113 W07923 MOV W 0KT 

FCST VA CLD +6HR: 19/1830Z SFC/FL310 S0108 W07959
- S0125 W07825 - S0133 W07825 - S0202 W08106 -
S0113 W08112 - S0108 W07959 

FCST VA CLD +12HR: 20/0030Z SFC/FL310 S0105
W08026 - S0125 W07825 - S0133 W07825 - S0158
W08026 - S0105 W08026 

FCST VA CLD +18HR: 20/0630Z SFC/FL310 S0107
W07957 - S0125 W07826 - S0133 W07825 - S0154
W07957 - S0107 W07957 

RMK: VA EMISSION RATE HAS REDUCED FROM CONT. TO
FREQ SHORT DURATION ERUPTIONS.  AS SUCH PLUME IS
NOT CONTINUOUS PER VIS IMAGERY AND APPEARS BULK
OF VA IS IN UPPER PORTIONS OF THE COLUMN NEAR
FL250-310 BUT RAPIDLY MVG W.  WINDS FCST TO
REDUCE BY 12-18HRS SO LENGTH OF PLUME SHOULD
LIKEWISE DECREASE TO THE WEST. ...GALLINA

NXT ADVISORY: WILL BE ISSUED BY 20131019/1845Z