FVXX20 KWBC 140130 CCA
VOLCANIC ASH ADVISORY - CORRECTION
ISSUED: 2001AUG14/0000Z   VAAC: WASHINGTON
.
CORRECTION TO DIRECTION OF MOVEMENT OF ASH EAST OF THE VOLCANO
.
VOLCANO: TUNGURAHUA  1502-08
LOCATION: 0128S 7826W    AREA: ECUADOR
.                             
SUMMIT ELEVATION: 16480 FT (5023 M)
.
ADVISORY NUMBER: 2001/168
.
INFORMATION SOURCE: GOES-8 VISIBLE/INFRARED/MULTISPECTRAL IMAGERY.
AVIATION MODEL UPPER WIND FORECAST. SIGMETS FROM GUAYAQUIL
METEOROLOGICAL WATCH OFFICE.
.
ERUPTION DETAILS: CONTINUOUS ERUPTION SINCE 06/1203Z. PARTICULARLY
STRONG EMISSIONS AT ABOUT 13/1130Z 13/1700Z AND 13/1815Z.
.
DETAILS OF ASH CLOUD:  SATELLITE IMAGERY INDICATES TWO DISTINCT AREAS
OF ASH. THE FIRST AREA IS EAST OF THE VOLCANO.  THIS ASH IS VERY
FAINT AND IS PRIMARILY ASH REMAINING FROM THE 1700Z AND 1815Z
EMISSIONS. AT 13/2245Z THIS ASH IS APPROXIMATELY BOUNDED BY 0106S
7742W TO 0152S 7740W TO 0154S 7606W TO 0147S 7605W TO 0121S 7625W TO
0106S 7742W AND IS ESTIMATED TO BE UP TO FL380.
.
THE SECOND AREA IS AN ASH PLUME EXTENDING FROM THE VOLCANO TOWARD THE
SOUTHWEST AND REPRESENTING A CONTINUOUS ONGOING EMISSION.  AT
13/2245Z THIS THICKER ASH IS APPROXIMATELY BOUNDED BY 0120S 7830W TO
0157S 7928W TO 0211S 7903W TO 0133S 7820W TO 0120S 7830W.  A PILOT
REPORT INDICATED THAT THIS ASH IS UP TO FL330 ALTHOUGH SATELLITE
IMAGERY AND UPPER AIR WIND FORECASTS SUGGEST A LOWER HEIGHT. 
.
TRAJECTORY: THIN ASH TO FL380 IS MOVING TO THE EAST AT 15 TO 20
KNOTS.  THICK ASH TO FL330 IS MOVING TO THE SOUTHWEST AT LESS THAN 15
KNOTS. 
.
OUTLOOK: SEE SIGMETS AND VAFTAD.
.
THE NEXT ADVISORY WILL BE ISSUED BY 14/0600Z.
.
REAL TIME SATELLITE IMAGERY AND VOLCANIC ASH ADVISORIES OFTEN
ACCOMPANIED BY A MAP DEPICTING ASH LOCATION ARE AVAILABLE AT INTERNET
URL ADDRESS   
HTTP://WWW.SSD.NOAA.GOV/VAAC/WASHINGTON.HTML
(ALL LOWER CASE EXCEPT /VAAC/)
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
NNNN"Attached Graphic Map Depicting Ash Only" 

""