[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (18nT) IN MAGNETOMETER DATA 12 09 23 1217UT issued 1231 UT on 12 Sep 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (18nT) IN MAGNETOMETER DATA 12 09 23 1217UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    185.8      200.1       14.2
Darwin_(GA)                    nT    147.5      162.8       15.3
Townsville_(GA)                nT   -587.4     -567.1       20.3
Learmonth_(GA)                 nT    260.3      283.6       23.3
Canberra_(GA)                  nT   -134.6     -113.0       21.6

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au