[Ips-wgr] IPS Weekly Geo. Report (24 April 08)

[Regional Warning Centre]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 APRIL 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 APRIL - 23 APRIL)
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               
 15 Apr   2211 2223    7     
 16 Apr   2233 4332   13     
 17 Apr   2212 1211    5    
 18 Apr   2322 2211    7    
 19 Apr   2121 0111    3    
 20 Apr   2111 1211    4    
 21 Apr   2211 1111    4    
 22 Apr   1111 1222    4    
 23 Apr   2353 4432   20    

*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 23 Apr.
quiet to unsettled on other days.

2. FORECAST (24 APRIL - 24 MAY)
Disturbed Periods: 
active on 2 May, active on 20 May.

Best Quiet Periods: 
 27 Apr to 30 Apr,  7 May to 8 May,  10 May to 12 May,  15 May to 19 May.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS

Northern Australian Regions: NA

Central Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 25 Apr to 29 Apr,   7 May,  13 May to 16 May.

Southern Australian Regions:
 Disturbed Periods: 3 May to 4 May.
 Best Quiet Periods: 25 Apr to 29 Apr,   7 May,  13 May to 15 May.

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 

IMPORTANT: This e-mail, including any attachments, may contain,
confidential or copyright information.  The views expressed in 
this message are those of the individual sender, unless 
specifically stated to be the views of IPS.  If you are not 
the intended recipient, please contact the sender immediately 
and delete all copies of this e-mail and attachments. 
Occasionally IPS sends email promoting IPS products and 
services to its mailing list customers. If you do not wish to 
receive this promotional material please email 
no-spam at ips.gov.au with the subject header:UNSUBSCRIBE"