[Ips-wgr] IPS Weekly Geo. Report (30 December 10)

[Regional Warning Centre]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 30 DECEMBER 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (21 DECEMBER - 29 DECEMBER)
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               
 21 Dec   2111 1202    4     
 22 Dec   1111 1101    2     
 23 Dec   1221 1012    4    
 24 Dec   2111 1111    3    
 25 Dec   2312 2322    8    
 26 Dec   2212 1022    5    
 27 Dec   2111 1112    4    
 28 Dec   2232 5431   16    
 29 Dec   2211 2212    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 28 Dec.
quiet to unsettled on other days.

2. FORECAST (30 DECEMBER - 29 JANUARY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 10 Jan to 11 Jan,   16 Jan.

Best Quiet Periods: 
 30 Dec to 9 Jan,  12 Jan to 15 Jan,  17 Jan to 25 Jan.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions: NA

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 30 Dec to 16 Jan.

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 
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