FVXX20 KNES 191358 CCA
VA ADVISORY -CORRECTION
DTG: 20131019/1358Z

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 17-22KT 

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: CORRECTED FOR WIND SPEED IN OBS LINE...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
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