[Ips-wgr] IPS Weekly Geo. Report (14 October 10)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 14 OCTOBER 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (05 OCTOBER - 13 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               
 05 Oct   2232 1112    6     
 06 Oct   2112 3211    6     
 07 Oct   1121 1102    3    
 08 Oct   2212 0102    4    
 09 Oct   2112 1111    4    
 10 Oct   2112 1212    5    
 11 Oct   2234 5333   18    A weak (12nT) impulse was observed in the IPS
magnetometer data at 1235UT on 11 Oct.
 12 Oct   2323 3222   10    
 13 Oct   2221 1112    5    

*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 11 Oct.
quiet to unsettled on other days.

2. FORECAST (14 OCTOBER - 13 NOVEMBER)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
  15 Oct,   21 Oct,   2 Nov,  7 Nov to 8 Nov.

Best Quiet Periods: 
  14 Oct,  16 Oct to 20 Oct,  22 Oct to 1 Nov,  3 Nov to 6 Nov,   9 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
Central Australian Regions: 
 Mildly Disturbed: 22 Oct, 25 Oct 
Southern Australian Regions:
 Disturbed : 22 Oct, 25 Oct 

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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