[Ips-wgr] SWS Weekly Geo. Report (24 October 19) issued 0134 UT on 24 Oct 2019

rwc rwc at ips.gov.au
Thu Oct 24 12:34:56 EST 2019


SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 24 OCTOBER 2019, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (15 OCTOBER - 23 OCTOBER)
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 Oct   3100 0022    4  
 16 Oct   2221 1012    4  
 17 Oct   1122 1111    4  
 18 Oct   1211 3111    5  
 19 Oct   0111 1211    3  
 20 Oct   1110 1012    2  
 21 Oct   2222 2011    5  
 22 Oct   1111 0211    3  
 23 Oct   1000 1010    1  

*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 (24 OCTOBER - 23 NOVEMBER)
Disturbed Periods: 
 24-26 Oct.

Best Quiet Periods: 
 29 Oct to 4 Nov,  7-19 Nov.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 27 Oct to 19 Nov.

Central Australian Regions:
 Disturbed Periods: None.
 Mildly Disturbed Periods: 24-26 Oct.
 Best Quiet Periods: 27 Oct to 19 Nov.

Southern Australian Regions:
 Disturbed Periods: 24-26 Oct.
 Best Quiet Periods: 30 Oct to 5 Nov, 8-19 Nov.


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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