[Ips-wgr] IPS Weekly Geo. Report (06 March 08)

rwc rwc at ips.gov.au
Thu Mar 6 12:56:05 EST 2008


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 06 MARCH 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (26 FEBRUARY - 05 MARCH)
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 Feb   2112 2112    5     
 27 Feb   1121 2233    7     
 28 Feb   3324 3433   17    
 29 Feb   3334 3433   18    
 01 Mar   4434 4322   19    
 02 Mar   2232 2312    8    
 03 Mar   2222 1211    5    
 04 Mar   1222 2001    4    
 05 Mar   2123 4222   10    

*estimated from real time data

The period started with geomagnetic activity at quiet levels. 
The effect of a high speed solar wind stream raised the 
geomagnetic activity to unsettled levels on 27 February 
and 02 March and upto Active levels from 28 February to 01 March. 


2. FORECAST (06 MARCH - 05 APRIL)
Disturbed Periods: 
Unsettled on 07 March, Active on 08, 09, 26 and 27 March, Active on 
05 April.

Best Quiet Periods: 
  6, 10 and 15 March, 18 to 24 March,  30 March to 2 April.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 14 Mar to 22 Mar,  28 Mar to 31 Mar.

Southern Australian Regions:
 Disturbed Periods:  11 Mar,   25 Mar.
 Best Quiet Periods:  6 Mar,   14 Mar,  16 Mar to 20 Mar,  28 Mar to 31
Mar.

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.

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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