[Ips-wgr] SWS Weekly Geo. Report (27 August 20) issued 0159 UT on 27 Aug 2020
rwc
rwc at ips.gov.au
Thu Aug 27 11:59:29 EST 2020
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 27 AUGUST 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (18 AUGUST - 26 AUGUST)
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
18 Aug 1211 2012 4
19 Aug 1100 0000 0
20 Aug 1100 1001 1
21 Aug 1110 0121 2
22 Aug 1222 1221 5
23 Aug 2222 2002 5
24 Aug 1110 0000 1
25 Aug 1110 0010 1
26 Aug 1212 0211 4
*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 (27 AUGUST - 26 SEPTEMBER)
Disturbed Periods:
27-31 Aug, 22 Sep, 24-26 Sep.
Best Quiet Periods:
1-17 Sep
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None
Best Quiet Periods: 1-23 Sep.
Central Australian Regions:
Disturbed Periods: None
Mildly Disturbed Periods: 28 Aug to 2 Sep, 24-26 Sep
Best Quiet Periods: 3-21 Sep
Southern Australian Regions:
Disturbed Periods: 28 Aug to 2 Sep, 24-26 Sep
Best Quiet Periods: 3-21 Sep
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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