[Ips-wgr] IPS Weekly Geo. Report (12 August 10)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 12 AUGUST 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (03 AUGUST - 11 AUGUST)
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               
 03 Aug   2222 2345   15    A weak (15nT) impulse was observed in the IPS
magnetometer data at 1741UT on 03 Aug. 
 04 Aug   5336 4454   35    A weak (49nT) impulse was observed in the IPS
magnetometer data at 1020UT on 04 Aug. 
 05 Aug   2312 2211    6    
 06 Aug   2311 2221    6    
 07 Aug   1221 1111    4    
 08 Aug   1211 1011    3    
 09 Aug   2222 3222    8    
 10 Aug   2221 1112    5    
 11 Aug   2232 1221    7    

*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.


minor storm on 4 Aug.
quiet to unsettled on other days.

2. FORECAST (12 AUGUST - 11 SEPTEMBER)
Disturbed Periods: 
active on 23,30, and 31 Aug.

Best Quiet Periods: 
 12 Aug to 18 Aug,  20 Aug to 22 Aug,  25 Aug to 29 Aug, 3 Sep to 4 Sep, 7 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 12 Aug to 7 Sep.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 12 Aug to 7 Sep.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 12 Aug to 21 Aug,  27 Aug to 29 Aug,  1 Sep to 7 Sep.

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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