[Ips-wgr] SWS Weekly Geo. Report (20 August 20) issued 0216 UT on 20 Aug 2020

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 20 AUGUST 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (11 AUGUST - 19 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               
 11 Aug   0000 0000    0  
 12 Aug   0110 1110    1  
 13 Aug   1110 1001    1  
 14 Aug   1100 0211    2  
 15 Aug   0000 0101    0  
 16 Aug   0221 0101    2  
 17 Aug   1111 1001    2  
 18 Aug   1211 2012    4  
 19 Aug   1100 0000    0  

*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 (20 AUGUST - 19 SEPTEMBER)
Disturbed Periods: 
20-21 Aug.

Best Quiet Periods: 
 23-28 Aug,  1-16, 19 Sep.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 21 Aug-15 Sep.

Central Australian Regions:
 Mildly Disturbed Periods: 30-31 Aug.
 Best Quiet Periods: 21-29 Aug, 1-15 Sep.

Southern Australian Regions:
 Disturbed Periods: 30-31 Aug.
 Best Quiet Periods: 21-29 Aug, 1-15 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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