FVXX20 KNES 091305
VA ADVISORY
DTG: 20180709/1305Z

VAAC: WASHINGTON

VOLCANO: NEGRA, SIERRA 353050
PSN: S0049 W09110

AREA: GALAPAGOS

SUMMIT ELEV: 4888 FT (1490 M)

ADVISORY NR: 2018/021

INFO SOURCE: GOES-EAST. NWP MODELS. CIMSS VOLCAT. 

ERUPTION DETAILS: PSBL VA EM

OBS VA DTG: 09/1245Z

OBS VA CLD: SFC/FL120 S0041 W09110 - S0045 W09108
- S0132 W09223 - S0104 W09247 - S0041 W09110 MOV
SW 20-25KT 

FCST VA CLD +6HR: 09/1900Z SFC/FL120 S0041 W09110
- S0046 W09109 - S0132 W09227 - S0059 W09249 -
S0041 W09110 

FCST VA CLD +12HR: 10/0100Z SFC/FL120 S0041
W09110 - S0045 W09108 - S0133 W09224 - S0059
W09250 - S0041 W09110 

FCST VA CLD +18HR: 10/0700Z SFC/FL120 NO ASH EXP

RMK: PLUME OF GAS, STEAM AND PSBL LGT VA SEEN IN
STLT EXTND APRX 90 NM WSW OF NORTH FLANK OF
VOLCANO. MODELS INDICATE WINDS WILL CONT MOV SW
THRU FCST PERIOD.  ...VELASCO

NXT ADVISORY: WILL BE ISSUED BY 20180709/1900Z