FVXX22 KWBC 131001
VOLCANIC ASH ADVISORY           
ISSUED: 2003MAY13/1000Z      VAAC: WASHINGTON
 
VOLCANO: ANATAHAN 0804-20
LOCATION: N1621E14540    AREA: MARIANA ISLANDS
 
SUMMIT ELEVATION: 2585 FT (788 M)

ADVISORY NUMBER: 2003/013
 
INFORMATION SOURCE:  GOES-9 IMAGERY. GFS MODEL WINDS FORECAST.

ERUPTION DETAILS: ERUPTION OCCURRED AROUND 10/0730Z AND EMISSIONS
CONTINUE TO OCCUR.
 
OBS ASH DATE/TIME: 13/0802Z
 
OBS ASH CLOUD: SFC/FL160 N1925E13731 N1933E12831 N1800E12337
N1428E12300 N1212E13632 N1645E13944 N1925E13731 MOVING W 10-15
KNOTS.  
SFC/080 N1621E14540 N1707E14235 N1431E13737 N1323E13826
N1617E14252 N1621E14540 MOVING W 15-20 KNOTS. 

FCST ASH CLOUD +6H: SEE SIGMETS.
 
REMARKS: ASH WAS DEPICTED BEST IN VISIBLE IMAGERY WITH LOW SUN
ANGLE JUST BEFORE SUNET. DIFFICULT TO SEGREGATE THE TWO ASH AREAS
WHERE THEY MERGE NEAR N1500E13800 SINCE ASH APPEARS SEAMLESS IN
THIS AREA. VOLCANO CONTINUES TO BE ACTIVE WITH HOTSPOT AND
CONTINUOUS ASH EMISSIONS.  ANALYST..RUMINSKI

NEXT ADVISORY: WILL BE ISSUED BY 2003MAY13/1600Z.

NNNN
"Attached Graphic Map Depicting Ash Only" 

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