[Ips-wgr] IPS Weekly Geo. Report (20 January 11)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 20 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 JANUARY - 19 JANUARY)
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               
 11 Jan   2222 2322    8     
 12 Jan   2222 2222    7     
 13 Jan   2212 2223    7    
 14 Jan   3232 2322   10    
 15 Jan   2222 2212    6    
 16 Jan   2211 3221    6    
 17 Jan   2222 2112    6    
 18 Jan   2221 1122    5    
 19 Jan   3223 2222    9    

*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 (20 JANUARY - 19 FEBRUARY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 2 to 3 Feb and 10 Feb.

Best Quiet Periods: 
 20 Jan to 1 Feb, 4 to 9 Feb, 11 to 19 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: Quiet

Central Australian Regions: Mildly disturbed 3 to 6 Feb, 10 Feb

Southern Australian Regions: Disturbed 3 to 6 Feb, 10 Feb

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.

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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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