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Santiaguito Volcano Volcanic Ash Advisory: EM OBS 11/1100Z to 12000 ft (3700 m)

Fri, 11 Dec 2020, 12:45
12:45 PM | BY: VN
Explosive activity continues. Volcanic Ash Advisory Center (VAAC) Washington warned about a volcanic ash plume that rose up to estimated 12000 ft (3700 m) altitude or flight level 120 .
The full report is as follows:

FVXX21 at 12:30 UTC, 11/12/20 from KNES
VA ADVISORY
DTG: 20201211/1228Z

VAAC: WASHINGTON

VOLCANO: SANTA MARIA 342030
PSN: N1445 W09133

AREA: GUATEMALA

SUMMIT ELEV: 12375 FT [3772 M]

ADVISORY NR: 2020/012

INFO SOURCE: GOES-16. NWP MODELS. VOLCAT.

ERUPTION DETAILS: EM OBS 11/1100Z

OBS VA DTG: 11/1200Z

OBS VA CLD: SFC/FL120 N1448 W09134 - N1444 W09132
- N1440 W09139 - N1444 W09142 - N1448 W09134 MOV
SW 5KT

FCST VA CLD +6HR: 11/1800Z SFC/FL120 N1448 W09134
- N1444 W09131 - N1432 W09151 - N1440 W09157 -
N1448 W09134

FCST VA CLD +12HR: 12/0000Z NO VA EXP

FCST VA CLD +18HR: 12/0600Z NO VA EXP

RMK: VA EXT 7 NM SW OF THE SUMMIT. LOW CONFIDENCE
IN HGT. LTLCG EXP OVR NXT 6 HRS BASED ON NWP
MODEL GUIDANCE. ...TURK

NXT ADVISORY: WILL BE ISSUED BY 20201211/1830Z

Previous news

Wed, 9 Dec 2020, 06:00
INSIVUMEH reported that during 9-15 December explosions at Santa María's Santiaguito lava-dome complex generated ash plumes that rose as high as 900 m above the complex. The extrusion of blocky lava at the WSW part of Caliente dome generated block-and-ash flows that descended the NW, WSW, SW, and E flanks often reaching the base of the complex. The activity increased at 0430 on 11 December with notable avalanches of material and block-and-ash flows lava dome traveling down the W and SW flanks. ... Read all
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