[Ips-wgr] IPS Weekly Geo. Report (22 October 15) issued 0142 UT on 22 Oct 2015

rwc rwc at ips.gov.au
Thu Oct 22 12:42:07 EST 2015


SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 22 OCTOBER 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (13 OCTOBER - 21 OCTOBER)
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               
 13 Oct   2234 3433   16  
 14 Oct   2334 3322   13  
 15 Oct   2222 1112    5  
 16 Oct   2111 3112    5  
 17 Oct   2213 3232    9  
 18 Oct   2335 3322   16  
 19 Oct   1111 1012    3  
 20 Oct   2112 2232    7  
 21 Oct   1224 3212    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 International Center for Space Weather 
Science and Education, Japan.


Active on 13 Oct,  18 Oct.   Quiet to unsettled on other days.

2. FORECAST (22 OCTOBER - 21 NOVEMBER)
Disturbed Periods: 
1 Nov,  4 Nov,  8 Nov.

Best Quiet Periods: 
 24-27 Oct.


3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:Mildly disturbed on 4 Nov.

Central Australian Regions:
 Mildly disturbed: 4-6 Nov, 9-10 Nov. 
 Best Quiet Periods: 24 Oct to 3 Nov, 16-17 Nov.

Southern Australian Regions:
 Disturbed Periods: 4-6 Nov, 9-10 Nov.
 Best Quiet Periods: 24 Oct to 2 Nov, 16-17 Nov.


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.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
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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