[Ips-wgr] IPS Weekly Geo. Report (01 October 15) issued 0220 UT on 01 Oct 2015

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 01 OCTOBER 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (22 SEPTEMBER - 30 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               
 22 Sep   3342 3212   12  
 23 Sep   2222 2331    8  
 24 Sep   2220 1122    5  
 25 Sep   2212 3001    5  
 26 Sep   2110 0221    3  
 27 Sep   1110 0011    1  
 28 Sep   1100 1012    2  
 29 Sep   2121 0001    2  
 30 Sep   1100 0001    1  

*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.

22-30 Sep: Quiet to unsettled conditions.


2. FORECAST (01 OCTOBER - 31 OCTOBER)

Geomagnetic conditions may reach active levels during 2-3 Oct 
due to the arrival of the transition region between slow and 
fast solar wind. 

Disturbed Periods: 
2-3 Oct, 12 Oct,  17 Oct,  20 Oct.

Best Quiet Periods: 
1 Oct,  4 Oct,  6 Oct,  8 Oct,  23-26 Oct.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.

Central Australian Regions:
 Disturbed Periods: 4 Oct, 8-9 Oct, 17-19 Oct.

Southern Australian Regions:
 Disturbed Periods: 2-3 Oct, 4 Oct, 8-9 Oct, 17-19 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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