[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 11 11 25 2253UT issued 2310 UT on 11 Nov 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (8nT) IN MAGNETOMETER DATA 11 11 25 2253UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    255.7      265.0        9.3
Darwin_(GA)                    nT    171.9      181.7        9.8
Darwin                         nT     64.5       70.7        6.2
Townsville_(GA)                nT   -602.8     -591.8       11.0
Townsville                     nT   -702.3     -692.5        9.9
Townsville_(ICSWSE/BOM)        nT    -66.4      -56.0       10.4
Learmonth_(GA)                 nT    339.2      353.2       14.0
Learmonth_(SWS)                nT   -933.8     -920.0       13.8
Canberra_(GA)                  nT   -158.3     -153.0        5.3
Hobart                         nT   -405.1     -408.8       -3.7

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