[Ips-wgr] SWS Weekly Geo. Report (07 October 21) issued 0124 UT on 07 Oct 2021
rwc
rwc at ips.gov.au
Thu Oct 7 12:24:52 EST 2021
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 07 OCTOBER 2021, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (28 SEPTEMBER - 06 OCTOBER)
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
28 Sep 2222 2222 7
29 Sep 1101 2112 3
30 Sep 2111 2332 7
01 Oct 2234 4220 12
02 Oct 0013 3200 5
03 Oct 1212 3112 6
04 Oct 1111 0001 1
05 Oct 1101 2002 2
06 Oct 1222 2221 6
*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.
Quiet to unsettled conditions.
2. FORECAST (07 OCTOBER - 06 NOVEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
7-10 Oct, 14 Oct, 18 Oct, 20 Oct, 27-28 Oct.
Best Quiet Periods:
11-13 Oct, 15-17 Oct, 19 Oct, 21-26 Oct, 29 Oct to 2 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 7 Oct to 3 Nov.
Central Australian Regions:
Mildly disturbed: 22 Oct, 25 Oct, 28 Oct
Best Quiet Periods: 7-21 Oct, 23-24 Oct, 26-27 Oct, 29 Oct to 3 Nov.
Southern Australian Regions:
Disturbed Periods: 22 Oct, 25 Oct, 28 Oct
Best Quiet Periods: 7-21 Oct, 23-24 Oct, 26-27 Oct, 29 Oct to 3 Nov.
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.
Space Weather Services email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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