[Ips-wgr] IPS Weekly Geo. Report (22 August 13) issued 0344 UT on 22 Aug 2013

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 22 AUGUST 2013, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (13 AUGUST - 21 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               
 13 Aug   2112 1312    6  
 14 Aug   2220 1112    4  
 15 Aug   2223 2412   10  
 16 Aug   3432 4322   15  
 17 Aug   2221 2111    5  
 18 Aug   1122 0121    4  
 19 Aug   1110 0201    2  
 20 Aug   1100 0002    1  
 21 Aug   3323 3233   13  

*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.


Quiet to unsettled conditions.

2. FORECAST (22 AUGUST - 21 SEPTEMBER)
Disturbed Periods: 
24 Aug,  12 Sep,  17 Sep.

Best Quiet Periods: 
 25-30 Aug,  2-4 Sep,  6-8 Sep,  14-16 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
 Disturbed Periods: None
 Best Quiet Periods: 23 Aug to 9 Sep, 14-16 Sep.

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 23 Aug to 3 Sep,  5-9 Sep,  14-16 Sep.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 23 Aug to 9 Sep,  14-16 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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