[Ips-wgr] IPS Weekly Geo. Report (04 February 10)

rwc rwc at ips.gov.au
Thu Feb 4 12:52:45 EST 2010


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 04 FEBRUARY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (26 JANUARY - 03 FEBRUARY)
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               
 26 Jan   2111 1111    3     
 27 Jan   1111 1102    3     
 28 Jan   1112 2121    4    
 29 Jan   2211 1012    4    
 30 Jan   2211 2213    6    
 31 Jan   3211 2122    6    
 01 Feb   2123 3223    9    
 02 Feb   3212 2223    8    
 03 Feb   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 (04 FEBRUARY - 06 MARCH)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
  7 Feb, 8 Feb, 1 Mar and 2 Mar.

Best Quiet Periods: 
 4 Feb to 5 Feb, 11 Feb to 28 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 4 Feb to 24 Feb.

Central Australian Regions:
 Disturbed Periods: Mildly Disturbed 8 Feb to 10 Feb 
 Best Quiet Periods: 4 Feb to 6 Feb, 13 Feb to 24 Feb.

Southern Australian Regions:
 Disturbed Periods: Disturbed 8 Feb to 10 Feb 
 Best Quiet Periods: 4 Feb to 6 Feb, 13 Feb to 24 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.

IPS Radio and Space Services        email: asfc at ips.gov.au
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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