[Ips-wgr] IPS Weekly Geo. Report (11 October 12) issued 0153 UT on 11 Oct 2012

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 11 OCTOBER 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (02 OCTOBER - 10 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               
 02 Oct   2102 2223    6  
 03 Oct   3221 0111    5  
 04 Oct   1111 0001    1  
 05 Oct   1101 0211    2  
 06 Oct   1112 2121    4  
 07 Oct   1112 1011    3  
 08 Oct   1344 3143   16  In the IPS magnetometer data for 08 
                          Oct, a weak (12nT) impulse was observed 
                          at 0517UT.
 09 Oct   4455 2234   25  
 10 Oct   2223 2332   10  

*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.


Active on 8-9 Oct.   Quiet to unsettled on other days.

2. FORECAST (11 OCTOBER - 10 NOVEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 11-12 Oct,  15-17 Oct,  27-28 Oct,  5-6 Nov.

Best Quiet Periods: 
 18-26 Oct,  29 Oct to 4 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 12 Oct to 5 Nov.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 13 Oct to 4 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
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