[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (20nT) IN MAGNETOMETER DATA 06 09 25 1424UT issued 1443 UT on 06 Sep 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (20nT) IN MAGNETOMETER DATA 06 09 25 1424UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    191.4      201.8       10.4
Darwin_(GA)                    nT    115.7      134.0       18.4
Darwin                         nT     15.9       18.5        2.6
Townsville_(GA)                nT   -648.1     -621.8       26.3
Townsville                     nT   -973.4     -948.3       25.0
Townsville_(ICSWSE/BOM)        nT     89.1      114.4       25.4
Learmonth_(GA)                 nT    277.0      298.2       21.2
Learmonth_(SWS)                nT   -988.2     -967.3       20.9
Canberra_(GA)                  nT   -180.1     -150.5       29.6
Hobart                         nT   -426.7     -405.2       21.5

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