Weekly Report
(last updated 16 Jan 2025 00:43 UT)
SUBJ: ASWFC WEEKLY GEOPHYSICAL REPORT ISSUED ON 16 JANUARY 2025 FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx 1. SUMMARY (07 JANUARY - 15 JANUARY) K indices are in UT (0-24). For conversion to local time: AEST = UT + 10 hours; ACST = UT + 9.5 hours; AWST = UT + 8 hours Australian Region* Date K-INDICES A 07 Jan 2223 3323 11 08 Jan 2221 2211 5 09 Jan 2123 4222 10 10 Jan 2213 3023 8 11 Jan 2111 1212 4 12 Jan 1122 2113 6 13 Jan 3322 1223 9 14 Jan 2222 2233 9 15 Jan 3232 2423 12 *estimated from real time 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. G0 conditions all week. A coronal hole wind stream mildly increased geomagnetic activity toward the end of the week. This coronal hole is broad and is expected to induce a mild increase in geomagnetic activity over 17-20 Jan. 2. FORECAST (16 JANUARY - 15 FEBRUARY) Disturbed Periods: 17-19 Jan, 01-Feb, 11-feb Best Quiet Periods: 21-26 Jan, 28-30 Jan, 4 Feb, 7-8 Feb. 3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS Northern Australian Regions: Disturbed Periods: None. Best Quiet Periods: 16 Jan to 15 Feb. Central Australian Regions: Disturbed Periods: None. Best Quiet Periods: 21-30 Jan, 04-Feb to 10-Feb. Southern Australian Regions: Disturbed Periods: 17-20 Jan, 31-Jan to 03-Feb, 13-16 Feb. Best Quiet Periods: 22-29 Jan, 05-Feb to 08-Feb. 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. PLEASE NOTE: Geomagnetic activity can frequently be determined by short timescale solar events that cannot be forecast a week in advance, particularly at solar maximum.
