FVXX20 KNES 300427
VA ADVISORY
DTG: 20131230/0427Z

VAAC: WASHINGTON

VOLCANO: SAN MIGUEL 1403-10
PSN: N1326 W08816

AREA: EL.SALVADOR

SUMMIT ELEV: 6988 FT (2130 M)

ADVISORY NR: 2013/004

INFO SOURCE: GOES-13. GFS WINDS. NAM WINDS.
HYSPLIT. METAR. ECMWF WINDS. UKMET WINDS. SNET

ERUPTION DETAILS: ERUPTION AT 29/1630Z 

OBS VA DTG: 30/0345Z

OBS VA CLD: SFC/FL200 N1417 W08831 - N1405 W08757
- N1328 W08831 - N1220 W08959 - N1213 W09133 -
N1358 W09133 - N1341 W09003 - N1417 W08831 MOV W
15-20KT SFC/FL300 N1513 W08558 - N1443 W08551 -
N1421 W08646 - N1455 W08656 - N1513 W08558 MOV NE
 5-10KT 

FCST VA CLD +6HR: 30/1000Z SFC/FL220 N1436 W09231
- N1356 W08918 - N1220 W09123 - N1206 W09316 -
N1304 W09325 - N1436 W09231 FL230/FL300 NO ASH EXP

FCST VA CLD +12HR: 30/1600Z SFC/FL220 N1526
W09344 - N1419 W09202 - N1211 W09202 - N1246
W09411 - N1407 W09428 - N1526 W09344 

FCST VA CLD +18HR: 30/2200Z SFC/FL220 NO ASH EXP

RMK: VA STILL SEEN IN TWO AREAS THOUGH MIDLEVEL
VA TO FL300 IS DISPTNG RAPIDLY NEAR 15N86W. 
LEADING EDGE OF MDT DENSE VA AROUND FL200 LONG
91W MVG W. APRCHNG JET SHOULD AID DISSIPATION BUT
ALSO MV VA NW ALONG GUATEMALA COAST ALSO.
...GALLINA

NXT ADVISORY: WILL BE ISSUED BY 20131230/1030Z
Full Size Graphic


-