[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (21nT) IN MAGNETOMETER DATA 26 02 23 1923UT issued 1940 UT on 26 Feb 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (21nT) IN MAGNETOMETER DATA 26 02 23 1923UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    158.0      174.6       16.6
Darwin_(GA)                    nT    141.7      160.2       18.6
Townsville_(GA)                nT   -579.4     -556.3       23.1
Learmonth_(GA)                 nT    251.7      278.4       26.7
Canberra_(GA)                  nT   -125.0     -103.2       21.8

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