[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (14nT) IN MAGNETOMETER DATA 16 11 25 0511UT issued 0528 UT on 16 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (14nT) IN MAGNETOMETER DATA 16 11 25 0511UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    260.4      271.9       11.5
Darwin_(GA)                    nT    185.8      197.6       11.8
Darwin                         nT     83.4       96.7       13.3
Townsville_(GA)                nT   -613.0     -599.9       13.0
Townsville                     nT   -707.0     -693.8       13.2
Townsville_(ICSWSE/BOM)        nT    273.0      286.5       13.5
Learmonth_(GA)                 nT    324.6      339.6       15.0
Learmonth_(SWS)                nT   -944.5     -929.5       15.1
Canberra_(GA)                  nT   -165.6     -146.8       18.8
Hobart                         nT   -391.0     -366.9       24.1

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