[Ips-wgr] IPS Weekly Geo. Report (17 September 15) issued 0316 UT on 17 Sep 2015

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 17 SEPTEMBER 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 SEPTEMBER - 16 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               
 08 Sep   4331 2212   10  
 09 Sep   2345 4344   24  
 10 Sep   2121 2332    8  
 11 Sep   3455 5622   35  
 12 Sep   3233 2211    9  
 13 Sep   1113 3321    8  
 14 Sep   1223 3422   11  
 15 Sep   2224 4222   12  
 16 Sep   2221 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 on 9 Sep. Minor storm on 11 Sep.  Quiet to unsettled on other days.

2. FORECAST (17 SEPTEMBER - 17 OCTOBER)
Disturbed Periods: 
23-24 Sep,  1 Oct,  8 Oct, 11 - 12 Oct

Best Quiet Periods: 
 18-21 Sep, 26-30 Sep, 9-10 Oct, 13-17 Oct 

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 17 Sep - 3 Oct,  5-7 Oct, 10-17 Oct

Central Australian Regions:
 Moderately Disturbed Periods: 19 Sep, 26 Sep, 4 Oct, 8-9 Oct, 16 Oct
 Best Quiet Periods: 20-25 Sep, 27 Sep - 3 Oct, 5-7 Oct, 10-15 Oct

Southern Australian Regions:
Disturbed Periods: 19 Sep, 26 Sep, 4 Oct, 8-9 Oct, 16 Oct
Best Quiet Periods: 20-25 Sep, 27 Sep - 3 Oct, 5-7 Oct, 10-15 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 ips.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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