[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (17nT) IN MAGNETOMETER DATA 01 12 23 0019UT issued 0052 UT on 01 Dec 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (17nT) IN MAGNETOMETER DATA 01 12 23 0019UT
               Mean Magnetometer Parameters Pre/Post Impulse:
                                     Pre        Post       Pre/Post
Magnetometer Station          Unit   Impulse    Impulse    Change
Cocos_Island_(GA/BOM/ETH)      nT    182.8      196.9       14.1
Darwin_(GA)                    nT    170.4      188.8       18.4
Townsville_(GA)                nT   -575.9     -553.2       22.7
Townsville                     nT   -434.0     -412.8       21.2
Townsville_(ICSWSE/BOM)        nT   -129.7     -108.3       21.4
Learmonth_(GA)                 nT    276.2      298.1       21.9
Learmonth_(SWS)                nT    145.2      167.0       21.9
Canberra_(GA)                  nT   -136.8     -123.8       13.1
Hobart                         nT    809.1      811.2        2.0

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