[Ips-wgr] IPS Weekly Geo. Report (24 August 06)

rwc rwc at ips.gov.au
Thu Aug 24 12:41:41 EST 2006


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 AUGUST 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 AUGUST - 23 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               
 15 Aug   1101 0111    2     
 16 Aug   1111 1101    2     
 17 Aug   0221 1122    4    A weak (13nT) impulse was observed in the IPS
                            magnetometer data at 0721UT on 17 Aug.
 18 Aug   2232 2212    7    A weak (12nT) impulse was observed in the IPS
                            magnetometer data at 1643UT on 18 Aug.
 19 Aug   2213 5445   22    A weak (12nT) impulse was observed in the IPS
                            magnetometer data at 1132UT on 19 Aug.
 20 Aug   3421 1322   10    
 21 Aug   2222 2223    8    
 22 Aug   2344 3431   17    
 23 Aug   1230 1111    4    

*estimated from real time data

Active on 19 Aug, active on 22 Aug.
Quiet to unsettled on other days.

2. FORECAST (24 AUGUST - 23 SEPTEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 24 Aug,  27 Aug to 29 Aug,  3 Sep to 5 Sep,  14 Sep to 19 Sep.

Best Quiet Periods: 
 25 Aug to 26 Aug,  30 Aug to 2 Sep,  6 Sep to 7 Sep,  9 Sep to 13 Sep.  

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 30 Aug to 2 Sep,  6 Sep to 13 Sep.

Central Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 30 Aug to 2 Sep,  6 Sep to 13 Sep.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 30 Aug to 2 Sep,  6 Sep to 13 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.

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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