[Ips-wgr] SWS Weekly Geo. Report (30 July 20) issued 0228 UT on 30 Jul 2020

rwc rwc at ips.gov.au
Thu Jul 30 12:28:41 EST 2020


SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 30 JULY 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (21 JULY - 29 JULY)
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               
 21 Jul   1110 0111    2  
 22 Jul   1100 0100    1  
 23 Jul   1101 1001    1  
 24 Jul   2222 2432   10  
 25 Jul   3122 2213    8  
 26 Jul   1101 0000    1  
 27 Jul   0110 0000    0  
 28 Jul   1010 0000    0  
 29 Jul   1120 2111    3  

*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 (30 JULY - 29 AUGUST)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 10 Aug,  20-21 Aug.

Best Quiet Periods: 
 30 Jul to 9 Aug,  11-18 Aug,  22-25 Aug.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 30 Jul to 25 Aug.

Central Australian Regions: 
 Mildly Disturbed Periods: None.
 Best Quiet Periods: 30 Jul to 25 Aug.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 30 Jul to 25 Aug.
 
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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