[Ips-wgr] SWS Weekly Geo. Report (13 September 18) issued 0217 UT on 13 Sep 2018 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Sep 13 12:17:49 EST 2018
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 13 SEPTEMBER 2018, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (04 SEPTEMBER - 12 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
04 Sep 1330 1212 6
05 Sep 2223 3211 8
06 Sep 1111 1111 3
07 Sep 2220 2201 4
08 Sep 1131 1101 4
09 Sep 1111 2122 4
10 Sep 1101 3443 11
11 Sep 2444 3232 16
12 Sep 1212 2222 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.
Active with isolated short minor storm periods on 11 Sep. Quiet to unsettled on
other days.
2. FORECAST (13 SEPTEMBER - 13 OCTOBER)
Disturbed Periods:
8 to 10 Oct.
Best Quiet Periods:
17-20 Sep, 25-30 Sep, 3-6 Oct.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 18 to 22 Sep, 26 to 7 Oct.
Central Australian Regions:
Disturbed Periods: Mildly disturbed 14 Sep, 16-17 Sep, 23-25 Sep, 8-9 Oct.
Best Quiet Periods: 18 to 22 Sep, 26 to 7 Oct.
Southern Australian Regions:
Disturbed Periods: Disturbed 14 Sep, 16-17 Sep, 23-25 Sep, 8-9 Oct.
Best Quiet Periods: 18 to 22 Sep, 26 to 7 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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