[Ips-wgr] SWS Weekly Geo. Report (03 February 22) issued 0123 UT on 03 Feb 2022

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 03 FEBRUARY 2022, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (25 JANUARY - 02 FEBRUARY)
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               
 25 Jan   2333 3322   12  
 26 Jan   2223 2212    7  
 27 Jan   1211 3122    6  
 28 Jan   2111 2022    4  
 29 Jan   2223 3011    7  
 30 Jan   1122 3212    6  
 31 Jan   2212 2202    5  
 01 Feb   1111 1014    5  In the SWS magnetometer data for 01 
                          Feb, a weak (11nT) impulse was observed 
                          at 2222UT.
 02 Feb   3211 1322    7  

*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. A coronal mass ejection caused a sudden
impulse late in the UT day on 01 February, however no significant geomagnetic
storm activity followed the sudden impulse.

2. FORECAST (03 FEBRUARY - 05 MARCH)
Disturbed Periods: 11 Feb (possible)
No strong recurrent patterns, however mild activity may be experienced on:
11-15 Feb, 21-22Feb.

Best Quiet Periods: 
 6-9 Feb, 17-20 Feb,  23-28 Feb.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: 11 Feb
 Best Quiet Periods: 6-9 Feb, 17-28Feb

Central Australian Regions:
 Disturbed Periods: 11 Feb
 Best Quiet Periods: 6-9 Feb, 17-19Feb, 23-28Feb

Southern Australian Regions:
 Disturbed Periods: 11-12 Feb, 15 Feb, 21-22 Feb.
 Best Quiet Periods: 6-9 Feb, 17-19Feb, 24-27Feb


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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