Document: 6860 | Created: 06:30 03/29/2023 UTC | Page: 01 Description: VOLC | Ash Cloud Forecast | Darwin VAAC| _______________________________________________________________________ FVAU03 ADRM 282350 VA ADVISORY DTG: 20230328/2350Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SUMMIT ELEV: 3657M ADVISORY NR: 2023/186 INFO SOURCE: HIMAWARI-9 WEBCAM AVIATION COLOUR CODE: ORANGE ERUPTION DETAILS: VA LAST OBS TO FL140 AT 28/2340Z EST VA DTG: 28/2330Z EST VA CLD: SFC/FL140 S0807 E11253 - S0738 E11255 - S0749 E11317 - S0808 E11256 MOV NE 05KT FCST VA CLD +6 HR: 29/0530Z SFC/FL140 S0806 E11254 - S0738 E11253 - S0745 E11313 - S0807 E11256 FCST VA CLD +12 HR: 29/1130Z SFC/FL140 S0807 E11254 - S0742 E11248 - S0743 E11306 - S0807 E11257 FCST VA CLD +18 HR: 29/1730Z SFC/FL140 S0807 E11253 - S0742 E11248 - S0743 E11306 - S0807 E11257 RMK: VA NOT DISCERNIBLE ON SAT IMG DUE TO OBSCURATION BY MET CLOUD. HOWEVER, INTERMITTENT MINOR VA EMISSIONS ARE OBSERVED ON WEBCAM. HEIGHT AND FCST BASED ON HIMAWARI-9 SAT IMG, WEBCAM AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20230329/0550Z= FVAU03 ADRM 290550 VA ADVISORY DTG: 20230329/0550Z VAAC: DARWIN VOLCANO: SEMERU 263300 PSN: S0806 E11255 AREA: INDONESIA SUMMIT ELEV: 3657M ADVISORY NR: 2023/187 INFO SOURCE: HIMAWARI-9 WEBCAM CVGHM AVIATION COLOUR CODE: ORANGE ERUPTION DETAILS: VA LAST OBS TO FL140 AT 29/0100Z EST VA DTG: 29/0530Z EST VA CLD: SFC/FL140 S0807 E11256 - S0807 E11254 - S0743 E11251 - S0747 E11309 MOV N 10KT FCST VA CLD +6 HR: 29/1130Z SFC/FL140 S0807 E11254 - S0744 E11250 - S0746 E11306 - S0807 E11257 FCST VA CLD +12 HR: 29/1730Z SFC/FL140 S0807 E11254 - S0744 E11248 - S0745 E11306 - S0807 E11257 FCST VA CLD +18 HR: 29/2330Z SFC/FL140 S0807 E11253 - S0744 E11251 - S0747 E11309 - S0807 E11257 RMK: VA NOT DISCERNIBLE ON SAT IMG DUE TO OBSCURATION BY MET CLOUD. HOWEVER, INTERMITTENT MINOR VA EMISSIONS ARE OBSERVED ON WEBCAM. HEIGHT AND FCST BASED ON HIMAWARI-9 SAT IMG, WEBCAM AND MODEL GUIDANCE. NXT ADVISORY: NO LATER THAN 20230329/1150Z=