[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 07 11 25 2349UT issued 0010 UT on 08 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 07 11 25 2349UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    242.8      248.2        5.4
Darwin_(GA)                    nT    168.4      179.9       11.5
Darwin                         nT     63.1       73.6       10.5
Townsville_(GA)                nT   -610.7     -596.1       14.5
Townsville                     nT   -708.0     -693.8       14.2
Townsville_(ICSWSE/BOM)        nT    -88.9      -74.7       14.3
Learmonth_(GA)                 nT    325.2      336.4       11.2
Learmonth_(SWS)                nT   -946.5     -935.4       11.1
Canberra_(GA)                  nT   -189.4     -178.9       10.5
Hobart                         nT   -446.7     -438.2        8.5

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