[Ips-wgr] SWS Weekly Geo. Report (11 July 19) issued 0127 UT on 11 Jul 2019

[rwc]

SUBJ: SWS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 11 JULY 2019, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (02 JULY - 10 JULY)
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               
 02 Jul   1111 1120    3  
 03 Jul   0011 1210    2  
 04 Jul   0100 2211    2  
 05 Jul   1111 2100    2  
 06 Jul   1100 0000    0  
 07 Jul   1111 0011    2  
 08 Jul   1100 0033    4  In the SWS magnetometer data for 08 
                          Jul, a weak (2nT) impulse was observed 
                          at 1924UT.
 09 Jul   2223 2232    9  
 10 Jul   1344 3211   12  

*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 (11 JULY - 10 AUGUST)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 11 Jul, 5-7 Aug.

Best Quiet Periods: 
 13-27 Jul,  29 Jul to 3 Aug.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: 
 Disturbed Periods: None.
 Best Quiet Periods: 13 Jul to 4 Aug.

Central Australian Regions:
 Mildly disturbed Periods: 6-7 Aug
 Best Quiet Periods: 13 Jul to 3 Aug.

Southern Australian Regions:
 Disturbed Periods: 6-7 Aug.
 Best Quiet Periods: 13 Jul to 3 Aug.


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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