[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 20 07 23 1646UT issued 1704 UT on 20 Jul 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (11nT) IN MAGNETOMETER DATA 20 07 23 1646UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    164.4      175.6       11.2
Darwin_(GA)                    nT    139.5      150.9       11.3
Townsville_(GA)                nT   -591.4     -579.4       11.9
Alice_Springs_(GA)             nT     60.3       73.0       12.7
Gingin_(GA)                    nT    202.7      217.1       14.4
Canberra_(GA)                  nT   -139.0     -129.6        9.4

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