[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 21 03 25 0238UT issued 0258 UT on 21 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 21 03 25 0238UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    235.9      245.5        9.6
Darwin_(GA)                    nT    197.9      211.0       13.1
Townsville_(GA)                nT   -592.2     -577.2       15.0
Townsville_(ICSWSE/BOM)        nT    -29.0      -14.1       14.9
Learmonth_(GA)                 nT    315.5      327.7       12.1
Learmonth_(SWS)                nT    175.9      188.0       12.1
Canberra_(GA)                  nT   -187.7     -176.8       11.0

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