[Ips-wgr] IPS Weekly Geo. Report (18 October 12) issued 0128 UT on 18 Oct 2012

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 18 OCTOBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (09 OCTOBER - 17 OCTOBER)
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               
 09 Oct   4455 2234   25  
 10 Oct   2223 2332   10  
 11 Oct   1111 2112    4  
 12 Oct   3333 4322   14  
 13 Oct   2345 5432   24  
 14 Oct   3234 4133   15  
 15 Oct   2123 2112    6  
 16 Oct   1111 2112    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 Space Environment Research Center, Japan.

Storm levels on 8-9 Oct and 13 Oct.  Unsettled to Active on 10, 12, 14th Oct.

2. FORECAST (18 OCTOBER - 17 NOVEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 18 Oct,  27-28 Oct,  5-6 Nov,  8-10 Nov,  13 Nov.

Best Quiet Periods: 
 19-26 Oct,  29 Oct to 4 Nov,  7 Nov,  11-12 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 18 Oct to 13 Nov.

Central Australian Regions:
 Disturbed Periods: 6-10 Nov.
 Best Quiet Periods: 18 Oct to 13 Nov.

Southern Australian Regions:
 Disturbed Periods: 6-10 Nov.
 Best Quiet Periods: 19 Oct to 4 Nov,  7-8 Nov,  12-13 Nov.


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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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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