[Ips-wgr] SWS Weekly Geo. Report (17 February 22) issued 0137 UT on 17 Feb 2022

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 17 FEBRUARY 2022, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (08 FEBRUARY - 16 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               
 08 Feb   1000 2211    2  
 09 Feb   1000 0012    1  
 10 Feb   2223 3343   13  
 11 Feb   2224 2444   17  In the SWS magnetometer data for 11 
                          Feb, a weak (14nT) impulse was observed 
                          at 1030UT.
 12 Feb   3221 3332   10  
 13 Feb   2222 3322    9  
 14 Feb   1112 2221    5  
 15 Feb   2110 1101    2  
 16 Feb   1111 2332    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.


Active on 11 Feb.   Quiet to unsettled on other days.

2. FORECAST (17 FEBRUARY - 19 MARCH)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 21-22 Feb,  25-27 Feb,  1-2 Mar,  4-5 Mar,  9-12 Mar.

Best Quiet Periods: 
 17-20 Feb,  23-24 Feb,  28 Feb,  3 Mar,  6-8 Mar,  13-15 Mar.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA

Central Australian Regions: NA

Southern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 17 Feb to 10 Mar,  12-15 Mar.


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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