[Ips-wgr] SWS Weekly Geo. Report (22 October 20) issued 0223 UT on 22 Oct 2020
rwc
rwc at ips.gov.au
Thu Oct 22 13:23:06 EST 2020
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 22 OCTOBER 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (13 OCTOBER - 21 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
13 Oct 1110 0111 2
14 Oct 1100 0000 0
15 Oct 1100 0111 1
16 Oct 1221 0112 4
17 Oct 1211 2012 4
18 Oct 1110 0012 2
19 Oct 1222 3222 7
20 Oct 2111 0001 2
21 Oct 2132 1112 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 (22 OCTOBER - 21 NOVEMBER)
Disturbed Periods:
22-25 Oct.
Best Quiet Periods:
30-31 Oct, 02-16 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 22 Oct to 17 Nov.
Central Australian Regions:
Disturbed Periods: Mildly disturbed 23 to 29 Oct.
Best Quiet Periods: 22 Oct, 30 Oct to 17 Nov.
Southern Australian Regions:
Disturbed Periods: 23 to 29 Oct.
Best Quiet Periods: 22 Oct, 30 Oct to 17 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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