第一次遇到FL450的火山灰通告

火山灰通告

火山灰通告

IDD41290
VA ADVISORY
DTG: 20131218/1058Z
VAAC: Darwin

VOLCANO: Dukono 268010
PSN: N0141 E12753
AREA: Indonesia
SUMMIT ELEV: 1335M

ADVISORY NR: 2013/112
INFO SOURCE: MTSAT-2
AVIATION COLOUR CODE: RED
ERUPTION DETAILS: VA PLUME OBS TO FL450 AT 18/0732Z EXTENDING
70NM TO NW.

OBS VA DTG: 18/1100Z
OBS VA CLD:
SFC/FL070 N0150 E12750 – N0135 E12750 – N0130 E12805 –
N0145 E12805 – N0150 E12750 MOV E 10KT
SFC/FL450 N0145 E12755 – N0215 E12735 – N0200 E12715 –
N0135 E12750 – N0145 E12755 MOV NW 30KT

FCST VA CLD +6HR: 18/1700Z
SFC/FL070 N0150 E12750 – N0135 E12750 – N0130 E12805 –
N0145 E12805 – N0150 E12750
SFC/FL450 N0145 E12755 – N0235 E12715 – N0215 E12645 –
N0135 E12750 – N0145 E12755
FCST VA CLD +12HR: 18/2300Z
SFC/FL070 N0150 E12750 – N0135 E12750 – N0130 E12805 –
N0145 E12805 – N0150 E12750
SFC/FL450 N0200 E12745 – N0235 E12715 – N0215 E12645 –
N0145 E12735 – N0200 E12745
FCST VA CLD +18HR: 19/0500Z
SFC/FL070 N0150 E12750 – N0135 E12750 – N0130 E12805 –
N0145 E12805 – N0150 E12750
SFC/FL450 NO VA EXP

RMK: CLOUD OBSERVED GROWING OVER VOLCANO SUMMIT AT LATER TIME
THAN OTHER CONVECTION. SUSPECTED LOW LEVEL PLUME ALSO OBSERVED ON
VISIBLE IMAGERY. HIGH LEVEL HEIGHT DERIVED FROM MTSAT-2 IR IMAGE
AND 18/0000Z MENADO SOUNDING.
NXT ADVISORY: NO LATER THAN 20131218/1700Z

发表评论