FVXX20 KNES 171104
VA ADVISORY
DTG: 20230917/1104Z
VAAC: WASHINGTON
VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133
AREA: GUATEMALA
SUMMIT ELEV: 12287 FT (3745 M)
ADVISORY NR: 2023/169
INFO SOURCE: GOES-16. NWP MODELS.
ERUPTION DETAILS: VA EMS OBS
OBS VA DTG: 17/1030Z
OBS VA CLD: SFC/FL150 N1449 W09155 - N1446 W09133
- N1445 W09133 - N1440 W09154 - N1449 W09155 MOV
W 10KT
FCST VA CLD +6HR: 17/1630Z SFC/FL150 N1449 W09200
- N1446 W09132 - N1444 W09132 - N1438 W09159 -
N1449 W09200
FCST VA CLD +12HR: 17/2230Z NO VA EXP
FCST VA CLD +18HR: 18/0430Z NO VA EXP
RMK: FREQUENT VA EMS OBS IN STLT IMG MOV W EXT 20
NMI FM SUMMIT. W MVMT EXP THRU T+6. FL AND MVMT
BASED ON STLT AND NWP MODELS. ...GATLING
NXT ADVISORY: WILL BE ISSUED BY 20230917/1700Z
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