[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (18nT) IN MAGNETOMETER DATA 07 11 25 0835UT issued 0852 UT on 07 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (18nT) IN MAGNETOMETER DATA 07 11 25 0835UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    241.5      254.9       13.3
Darwin_(GA)                    nT    127.8      143.7       15.9
Darwin                         nT     23.1       41.9       18.8
Townsville_(GA)                nT   -650.3     -630.8       19.5
Townsville                     nT   -751.7     -732.6       19.1
Townsville_(ICSWSE/BOM)        nT   -123.1     -104.2       18.9
Learmonth_(GA)                 nT    301.5      323.3       21.8
Learmonth_(SWS)                nT   -965.3     -943.6       21.7
Canberra_(GA)                  nT   -180.5     -160.7       19.8
Hobart                         nT   -420.1     -401.2       18.9

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