[Ips-wgr] IPS Weekly Geo. Report (23 August 12) issued 0149 UT on 23 Aug 2012

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 23 AUGUST 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (14 AUGUST - 22 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               
 14 Aug   1212 1211    4  
 15 Aug   2111 1111    3  
 16 Aug   2221 3432   11  
 17 Aug   2222 1111    5  
 18 Aug   1223 2132    8  
 19 Aug   2223 3212    8  
 20 Aug   2333 3222   11  
 21 Aug   1112 2212    5  
 22 Aug   2211 2111    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.


Quiet to unsettled conditions.

2. FORECAST (23 AUGUST - 22 SEPTEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 26 Aug,  29 Aug,  2-4 Sep,  8-9 Sep,  12-16 Sep.

Best Quiet Periods: 
 23-25 Aug,  27-28 Aug,  30 Aug to 1 Sep,  5-7 Sep,  10-11 Sep,  17-18 Sep.

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

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 23 Aug,  29 Aug to 2 Sep,  4-10 Sep,  17 Sep.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 23 Aug,  29 Aug to 2 Sep,  4-10 Sep,  17 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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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