[Ips-wgr] SWS Weekly Geo. Report (19 March 20) issued 0207 UT on 19 Mar 2020

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 19 MARCH 2020, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (10 MARCH - 18 MARCH)
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               
 10 Mar   1010 1201    2  
 11 Mar   1101 1101    2  
 12 Mar   1111 3122    5  In the SWS magnetometer data for 12 
                          Mar, a weak (7nT) impulse was observed 
                          at 1331UT.
 13 Mar   2123 1210    5  
 14 Mar   0001 1111    1  
 15 Mar   1102 1112    3  
 16 Mar   1111 2111    3  
 17 Mar   1122 2201    4  
 18 Mar   1110 2332    6  

*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 (19 MARCH - 18 APRIL)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 27 Mar.

Best Quiet Periods: 
 19-26 Mar,  28 Mar to 14 Apr.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
 Best Quiet Periods: 19 Mar to 14 Apr.

Central Australian Regions:
Disturbed Periods: None.
 Best Quiet Periods: 19 Mar to 14 Apr.

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 19 Mar to 14 Apr.


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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