[Ips-wgr] SWS Weekly Geo. Report (25 August 16) issued 0215 UT on 25 Aug 2016 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Thu Aug 25 12:15:25 EST 2016


SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 25 AUGUST 2016, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (16 AUGUST - 24 AUGUST)
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               
 16 Aug   0000 2112    2  
 17 Aug   2220 1022    4  
 18 Aug   2221 2101    4  
 19 Aug   0011 2110    2  
 20 Aug   2110 0000    1  
 21 Aug   0101 2312    4  
 22 Aug   1111 0201    2  
 23 Aug   1212 3334   11  
 24 Aug   4213 3223   12  

*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 active conditions.

2. FORECAST (25 AUGUST - 24 SEPTEMBER)
Disturbed Periods: 
25 Aug, 30-31 Aug, 1 Sep, 20 Sep. 

Best Quiet Periods: 
 27-28 Aug,  9-12 Sep,  14-16 Sep,  18 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
 No disturbed periods. 

Central Australian Regions:
 Mildly Disturbed Periods: 30 Aug-3 Sep, 5-8 Sep, 20 Sep.
 Best Quiet Periods: 26-29 Aug, 4 Sep, 9-19 Sep.

Southern Australian Regions:
 Disturbed Periods: 30 Aug-3 Sep, 5-8 Sep, 20 Sep.
 Best Quiet Periods: 26-29 Aug, 4 Sep, 9-19 Sep.


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 bom.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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