[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 20 02 23 1036UT issued 1058 UT on 20 Feb 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (12nT) IN MAGNETOMETER DATA 20 02 23 1036UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    162.4      172.8       10.4
Darwin_(GA)                    nT    144.7      155.3       10.6
Townsville_(GA)                nT   -581.2     -568.0       13.2
Learmonth_(GA)                 nT    243.5      261.1       17.7
Canberra_(GA)                  nT   -123.9     -112.2       11.7

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