Daily Report

Geomagnetic Summary

(last updated 18 May 2019 23:30 UT)

Geomagnetic field for Australian Region 18 May: Quiet Estimated Indices 18 May : A K Australian Region 2 01220000 Cocos Island 1 00120000 Darwin 2 11220001 Townsville 2 11220001 Learmonth 2 11220000 Culgoora 2 01220000 Gingin 2 01220000 Canberra 0 00110000 Launceston 3 11230000 Hobart 2 00230000 Estimated Antarctic Regional K Indices 18 May : Macquarie Island 5 00340000 Casey 6 13321110 Mawson 7 12232103 Davis 4 12321000 Observed Regional daily pc3 Indices 18 May : Darwin 0 (Quiet) Townsville NA Learmonth 0 (Quiet) Alice Springs 0 (Quiet) Gingin 0 (Quiet) Canberra 0 (Quiet) Melbourne NA Pc3 pulsations are high frequency (10-45 second period) variations of the Earths magnetic field. Daily pc3-indices are the daily sum of 20 minute pc3-indices for that station and have been shown to be well correlated with rejection of high resolution aeromagnetic survey flight-line data. NOTE: Indices may have been generated from data obtained in cooperation with the following organisations: Geoscience Australia, University of Newcastle Space Physics Group, Australian Government Antarctic Division and International Center for Space Weather Science and Education, Japan. Estimated AFr/Ap Indices 18 May : A Fredericksburg 5 Planetary 6 Observed AFr/Ap Indices 17 May : A K Fredericksburg 7 Planetary 5 3111 2101

Geomagnetic Forecast

(last updated 18 May 2019 23:30 UT)

Date Ap Conditions 19 May 5 Quiet 20 May 5 Quiet 21 May 5 Quiet COMMENT: Geomagnetic activity was at Quiet levels across the Australian region on UT day 18 May. Mostly Quiet levels were observed in Antarctica. The global geomagnetic activity is expected to be mostly at Quiet levels during the next 3 UT days, 19-21 May.