[Ips-wgr] IPS Weekly Geo. Report (31 December 15) issued 0330 UT on 31 Dec 2015 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 31 DECEMBER 2015, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (22 DECEMBER - 30 DECEMBER)
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               
 22 Dec   2244 3122   12  
 23 Dec   2222 2232    8  
 24 Dec   2222 3122    7  
 25 Dec   2222 3222    8  
 26 Dec   2222 3233   10  
 27 Dec   2123 3223    9  
 28 Dec   2222 2102    5  
 29 Dec   2101 2212    4  
 30 Dec   1110 2101    2  

*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.


Quiet to unsettled conditions.

2. FORECAST (31 DECEMBER - 30 JANUARY)
Disturbed Periods: 
1 Jan,  3 Jan.31 Dec.

Best Quiet Periods: 
 5 Jan,  9 Jan,  12-14 Jan,  16-17 Jan,  19 Jan,  21 Jan,  23-25 Jan.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 31 Dec to 25 Jan.

Central Australian Regions: NA

Southern Australian Regions: NA


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.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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