[Ips-wgr] SWS Weekly Geo. Report (05 September 19) issued 0246 UT on 05 Sep 2019

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 05 SEPTEMBER 2019, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (27 AUGUST - 04 SEPTEMBER)
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               
 27 Aug   2323 2121    8  
 28 Aug   1110 1001    1  
 29 Aug   0000 1101    1  
 30 Aug   1111 2322    6  
 31 Aug   3335 5323   22  
 01 Sep   3355 5333   27  
 02 Sep   3332 2232   11  
 03 Sep   2222 2111    5  
 04 Sep   2223 3222    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 31 Aug to 1 Sep.   Quiet to unsettled on other days.

2. FORECAST (05 SEPTEMBER - 05 OCTOBER)
Disturbed Periods: 
26-29 Sep.

Best Quiet Periods: 
 5 Sep,  7-8 Sep,  10-22 Sep,  24-25 Sep,  4-5 Oct.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Mildly Disturbed Periods: 27-28 Sep.
 Best Quiet Periods: 7-25 Sep, 4-6 Oct.

Central Australian Regions:
 Disturbed Periods: None.
 Mildly Disturbed Periods: 6-7 Sep,  27 Sep to 4 Oct.
 Best Quiet Periods: 8-25 Sep,  5-6 Oct.

Southern Australian Regions:
 Disturbed Periods: 6-7 Sep,  26 Sep to 4 Oct.
 Best Quiet Periods: 11-25 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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