[Ips-wgr] SWS Weekly Geo. Report (24 August 17) issued 0344 UT on 24 Aug 2017 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Thu Aug 24 13:44:03 EST 2017


SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 AUGUST 2017, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 AUGUST - 23 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               
 15 Aug   1110 0000    1  
 16 Aug   2111 1211    4  
 17 Aug   1244 4332   16  
 18 Aug   3322 3332   12  
 19 Aug   3344 4323   18  
 20 Aug   3333 2322   12  
 21 Aug   2222 1222    6  
 22 Aug   4432 3212   13  
 23 Aug   2233 4441   16  

*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 17 Aug,  19 Aug,  23 Aug.   Quiet to unsettled on other days.

2. FORECAST (24 AUGUST - 23 SEPTEMBER)
Disturbed Periods: 
24 Aug, 31 Aug, 1 Sep,  13-19 Sep.

Best Quiet Periods: 
 26-29 Aug,  3-6 Sep,  9-12 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
 Disturbed Periods: Mildly disturbed 1 Sep, 15-16 Sep.
 Best Quiet Periods: 26-30 Aug,  4-7 Sep,  10-12 Sep, 19-20 Sep.

Central Australian Regions:
 Disturbed Periods: Mildly disturbed 31 Aug, 2-3 Sep, 8-9 Sep, 13-14 Sep, 17-18
,disturbed 1 Sep, 15-16 Sep.
 Best Quiet Periods: 26-30 Aug,  4-7 Sep,  10-12 Sep, 19-20 Sep.

Southern Australian Regions:
 Disturbed Periods: 31 Aug-3 Sep,  8-9 Sep, 13-18 Sep.
 Best Quiet Periods:26-30 Aug,  4-7 Sep,  10-12 Sep, 19-20 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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