FVXX22 KWBC 231530
VOLCANIC ASH ADVISORY STATEMENT
ISSUED 1530 UTC 23 NOV 1999 BY THE WASHINGTON VAAC 
.
SAN CRISTOBAL  99-004   NICARAGUA  12.7N 87.0W 
.
BACKGROUND:      SAN CRISTOBAL  NICARAGUA  (1404-02)
                 SUMMIT HEIGHT 5725 FT  (1745 M)
.
SOURCES OF INFORMATION: GOES-8 INFRARED..VISIBLE..AND MULTISPECTRAL
IMAGERY. INETER VOLCANOLOGISTS ON SITE. 1200 UTC ETA MODEL DATA.
.
ERUPTION DETAILS: INETER VOLCANOLOGISTS REPORT THE SAN CRISTOBAL
VOLCANO IS EMITTING ASH AT LOW LEVELS NEAR THE SUMMIT.
.
DETAILS OF ASH CLOUD: THE ASH IS REPORTED TO BE FALLING WITHIN 15 KM
(8 NMI) OF THE VOLCANO. VISIBLE SATELLITE IMAGERY THROUGH 23/1515
UTC IS INCONCLUSIVE ON THE PRESENCE OF ASH IN THE VICINITY OF THE
VOLCANO.
. 
TRAJECTORY: ANY LOW LEVEL ASH NEAR THE SUMMIT WOULD MOVE TOWARD THE
WEST AT LESS THAN 10 KTS.
.
REAL TIME SATELLITE IMAGERY ALONG WITH THIS AND OTHER VOLCANIC ASH
ADVISORY STATEMENTS OFTEN ACCOMPANIED BY A MAP DEPICTING ASH
LOCATION ARE AVAILABLE AT INTERNET URL ADDRESS  
www.ssd.noaa.gov/VAAC/washington.html
(all lower case except /VAAC/)
.
OUTLOOK:  SEE LATEST SIGMETS.
.
THE NEXT MESSAGE WILL BE ISSUED BY 23/2130 UTC.
.
PLEASE REFER TO SIGMETS FOR CURRENT WARNINGS.
.
RUMINSKI/SIMKO
.
NNNN