[Ips-wgr] IPS Weekly Geo. Report (06 January 11)

rwc rwc at ips.gov.au
Thu Jan 6 12:46:57 EST 2011


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 06 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (28 DECEMBER - 05 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               
 28 Dec   2232 5431   16     
 29 Dec   2211 2212    5     
 30 Dec   1122 2321    6    
 31 Dec   2212 1111    4    
 01 Jan   2221 2111    5    
 02 Jan   1222 1222    6    
 03 Jan   2112 2222    6    
 04 Jan   2212 2211    5    
 05 Jan   1011 1022    3    

*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 (06 JANUARY - 05 FEBRUARY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
7-8 Jan, 11 to 13 Jan
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: Quiet 

Central Australian Regions: Mildly Disturbed 7-8 & 11-13 Jan 

Southern Australian Regions: Disturbed 7-8 & 11-13 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.

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