[Ips-wgr] SWS Weekly Geo. Report (06 September 18) issued 0134 UT on 06 Sep 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Sep 6 11:34:56 EST 2018
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 06 SEPTEMBER 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (28 AUGUST - 05 SEPTEMBER)
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 Aug 2223 3011 7
29 Aug 1211 1201 3
30 Aug 1120 0011 2
31 Aug 1111 1211 3
01 Sep 1200 1010 2
02 Sep 1110 0111 2
03 Sep 2210 1111 3
04 Sep 1330 1212 6
05 Sep 2223 3211 8
*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 (06 SEPTEMBER - 06 OCTOBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
6-7 Sep, 11-15 Sep, 23-24 Sep.
Best Quiet Periods:
9-10 Sep, 17-20 Sep, 25-30 Sep.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8-12 Sep, 18-22 Sep, 27 Sep to 2 Oct.
Central Australian Regions:
Mildly disturbed Periods: 14-16 Sep, 23-24 Sep.
Best Quiet Periods: 8-12 Sep, 18-21 Sep, 27 Sep to 2 Oct.
Southern Australian Regions:
Disturbed Periods: 14-16 Sep, 23-24 Sep.
Best Quiet Periods: 8-12 Sep, 18-21 Sep, 27 Sep to 2 Oct.
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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