[Ips-wgr] IPS Weekly Geo. Report (08 January 09)

rwc rwc at ips.gov.au
Thu Jan 8 13:28:50 EST 2009


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 08 JANUARY 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (30 DECEMBER - 07 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               
 30 Dec   1110 1012    2     
 31 Dec   4333 2222   12     
 01 Jan   1--- ----    3    
 02 Jan   2222 1222    6    
 03 Jan   2333 2212    9    
 04 Jan   2111 1211    4    
 05 Jan   1122 2211    5    
 06 Jan   1112 1201    3    
 07 Jan   1221 1202    4    

*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 (08 JANUARY - 07 FEBRUARY)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
19 Jan, 27 Jan-30 Jan.

Best Quiet Periods: 
 8 Jan to 18 Jan,  20 Jan to 26 Jan, 31 Jan to 3 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Southern Australian Regions: Disturbed periods possible during 19 Jan, 27 Jan-
30 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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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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