[Ips-wgr] SWS Weekly Geo. Report (30 June 22) issued 0201 UT on 30 Jun 2022 [SEC=OFFICIAL]

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 30 JUNE 2022, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
ASWAS SCALE DESCRIPTION: https://bit.ly/3lmaMBx

1. SUMMARY (21 JUNE - 29 JUNE)
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 Jun   1123 1122    6  
 22 Jun   1122 3121    6  
 23 Jun   2222 1022    5  
 24 Jun   2000 0123    4  
 25 Jun   2222 2234   10  
 26 Jun   3225 4232   16  
 27 Jun   3330 0011    6  
 28 Jun   1221 0022    4  
 29 Jun   2123 1000    4  

*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.


G1 geomagnetic conditions observed on 26-Jun.
G0 geomagnetic conditions on other days.

2. FORECAST (30 JUNE - 30 JULY)
Disturbed Periods: 
 12-17 Jul, 22-23 Jul.

Best Quiet Periods: 
 30-Jun to 10-Jul, 19-20 Jul, 25-30 Jul.

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

Central Australian Regions:
 Mildly Disturbed Periods: 12-18 Jul, 23-25 Jul.
 Best Quiet Periods: 30 Jun to 10 Jul, 20-21 Jul, 27-30 Jul.

Southern Australian Regions:
 Disturbed Periods: 12-18 Jul, 23-25 Jul.
 Best Quiet Periods: 30 Jun to 10 Jul, 20-21 Jul, 27-30 Jul.


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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