[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (17nT) IN MAGNETOMETER DATA 18 09 23 1329UT issued 1343 UT on 18 Sep 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (17nT) IN MAGNETOMETER DATA 18 09 23 1329UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    163.5      178.7       15.2
Darwin_(GA)                    nT    130.4      146.2       15.8
Townsville_(GA)                nT   -601.2     -582.5       18.6
Learmonth_(GA)                 nT    242.1      264.5       22.4
Canberra_(GA)                  nT   -142.7     -125.8       17.0

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