FVXX20 KNES 281457
VA ADVISORY
DTG: 20210428/1457Z

VAAC: WASHINGTON

VOLCANO: SANGAY 352090
PSN: S0200 W07820

AREA: ECUADOR

SUMMIT ELEV: 17159 FT (5230 M)

ADVISORY NR: 2021/423

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

ERUPTION DETAILS: LRG ERUPTION OBS

OBS VA DTG: 28/1430Z

OBS VA CLD: SFC/FL190 S0148 W07818 - S0201 W07816
- S0202 W07821 - S0150 W07827 - S0148 W07818 MOV
NW 10KT SFC/FL230 S0150 W07829 - S0158 W07819 -
S0202 W07819 - S0202 W07835 - S0150 W07829 MOV W
0KT SFC/FL320 S0158 W07819 - S0201 W07818 - S0217
W07823 - S0204 W07835 - S0158 W07819 MOV SW 10KT 

FCST VA CLD +6HR: 28/2030Z SFC/FL190 S0135 W07838
- S0140 W07803 - S0201 W07817 - S0202 W07820 -
S0135 W07838 SFC/FL230 S0134 W07840 - S0158
W07819 - S0202 W07820 - S0207 W07853 - S0134
W07840 SFC/FL320 S0158 W07819 - S0202 W07818 -
S0229 W07819 - S0209 W07853 - S0158 W07819 

FCST VA CLD +12HR: 29/0230Z SFC/FL190 S0120
W07852 - S0125 W07753 - S0201 W07817 - S0201
W07820 - S0120 W07852 SFC/FL230 S0119 W07853 -
S0158 W07819 - S0202 W07820 - S0213 W07917 -
S0119 W07853 SFC/FL320 S0159 W07818 - S0247
W07819 - S0214 W07918 - S0159 W07818 

FCST VA CLD +18HR: 29/0830Z NO VA EXP

RMK: LRG ERUPTION OBS FM STLT AND VOLCAT. LWR LVL
VA MOVG NNW AT FL190. ML VA MOVG W AT FL230. HIER
LVL VA MOVG SW AT FL320. WINDS FCST TO STAY GENLY
CONS THRU T+12. FL AND WINDS FM NWP AND VOLCAT
...MLEVINE

NXT ADVISORY: WILL BE ISSUED BY 20210428/2100Z