FVXX20 KNES 280454
VA ADVISORY
DTG: 20121228/0454Z

VAAC: WASHINGTON

VOLCANO: SAN CRISTOBAL 1404-02
PSN: N1241 W08659

AREA: NICARAGUA

SUMMIT ELEV: 5725 FT (1745 M)

ADVISORY NR: 2012/022

INFO SOURCE: GOES-13. GFS WINDS. NAM WINDS.
SEISMIC DETECTION. INETER. 

ERUPTION DETAILS: ONGOING LGT VA EMISSIONS WITH
INTERMITTENT BURST OF MDT VA

OBS VA DTG: 28/0415Z

OBS VA CLD: SFC/FL120 N1434 W09209 - N1404 W09129
- N1305 W09149 - N1250 W09230 - N1301 W09257 -
N1359 W09259 - N1434 W09209 MOV NW 15-20KT
SFC/FL100 N1247 W08659 - N1238 W08659 - N1214
W08752 - N1222 W08837 - N1246 W08837 - N1247
W08659 MOV W 25-30KT SFC/FL100 N1244 W09106 -
N1244 W08920 - N1226 W08920 - N1223 W08953 -
N1213 W09058 - N1244 W09106 MOV W 25-30KT 

FCST VA CLD +6HR: 28/1030Z SFC/FL100 N1258 W09228
- N1248 W08658 - N1238 W08658 - N1214 W08752 -
N1212 W09223 - N1258 W09228 SFC/FL120 N1501
W09455 - N1441 W09331 - N1326 W09353 - N1326
W09508 - N1501 W09455 

FCST VA CLD +12HR: 28/1630Z SFC/FL100 N1321
W09201 - N1247 W08659 - N1237 W08658 - N1218
W09158 - N1321 W09201 FL100/FL120 NO ASH EXP

FCST VA CLD +18HR: 28/2230Z SFC/FL100 N1307
W09107 - N1248 W08659 - N1237 W08658 - N1205
W09104 - N1307 W09107 

RMK: A POCKET OF VA TO FL120 CAN STILL BE SEEN
MOVING ALONG GUATEMALA COAST TOWARD CHIAPAS
COAST.  OTHERWISE LOWER (FL100) VA FROM MORE
RECENT EMISSIONS ARE MOVING DUE WEST RAPIDLY. 
WINDS SHOULD SLACKEN BUT CONTINUE WESTWARD
MOVEMENT OF VA OVER THE FCST PERIOD ...GALLINA

NXT ADVISORY: WILL BE ISSUED BY 20121228/1100Z
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