FVXX23 KNES 190904
VA ADVISORY
DTG: 20210719/0904Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0201 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/693

INFO SOURCE: GOES-16. NWP MODELS. ASH3D. 

ERUPTION DETAILS: MOD VOLC ERUP

OBS VA DTG: 19/0840Z

OBS VA CLD: SFC/FL210 S0151 W07901 - S0159 W07819
- S0202 W07819 - S0206 W07902 - S0151 W07901 MOV
W 20KT SFC/FL280 S0141 W07812 - S0150 W07756 -
S0202 W07819 - S0158 W07822 - S0141 W07812 MOV NE
15KT SFC/FL350 S0159 W07823 - S0202 W07819 -
S0231 W07841 - S0222 W07858 - S0159 W07823 MOV SW
20KT 

FCST VA CLD +6HR: 19/1430Z SFC/FL210 S0141 W07928
- S0159 W07820 - S0202 W07819 - S0208 W07928 -
S0141 W07928 SFC/FL280 S0120 W07750 - S0138
W07717 - S0158 W07811 - S0150 W07817 - S0120
W07750 SFC/FL350 S0211 W07843 - S0219 W07831 -
S0248 W07846 - S0234 W07911 - S0211 W07843 

FCST VA CLD +12HR: 19/2030Z SFC/FL210 S0131
W07951 - S0158 W07819 - S0202 W07820 - S0203
W08005 - S0131 W07951 SFC/FL280 S0058 W07741 -
S0127 W07650 - S0146 W07739 - S0134 W07805 -
S0058 W07741 SFC/FL350 S0224 W07901 - S0238
W07838 - S0304 W07859 - S0250 W07926 - S0224
W07901 

FCST VA CLD +18HR: 20/0230Z SFC/FL210 S0125
W08007 - S0158 W07820 - S0204 W07822 - S0204
W08024 - S0125 W08007 SFC/FL280 NO VA
EXP SFC/FL350 NO VA EXP

RMK: CONS VA OBS IN SAT DATA MOV W FM SUMMIT AT
FL210. VA EM MOVG NE FM SUMMIT AT FL280 AND VA EM
MOVG SW FM SUMMIT AT FL350. VA FM VOL ERUP AT
APRX 19 0740Z. NWP MDLS FCST LTLCG THRU T+18.
...TUGGLE

NXT ADVISORY: WILL BE ISSUED BY 20210719/1500Z
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