[Ips-wgr] SWS Weekly Geo. Report (10 May 18) issued 0214 UT on 10 May 2018 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Thu May 10 12:14:57 EST 2018

ISSUED ON 10 MAY 2018, BY Space Weather Services,

1. SUMMARY (01 MAY - 09 MAY)
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               
 01 May   1100 0001    1  
 02 May   1110 0000    1  
 03 May   2100 1101    2  
 04 May   1110 0000    1  
 05 May   1102 3433   10  In the SWS magnetometer data for 05 
                          May, a weak (10nT) impulse was observed 
                          at 1026UT.
 06 May   4333 5233   19  
 07 May   3323 3312   11  
 08 May   2333 2422   12  
 09 May   2232 3232   10  

*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 6 May.   Quiet to unsettled on other days.

2. FORECAST (10 MAY - 09 JUNE)
Disturbed Periods: 
No strong recurrent patterns, however mild activity may be experienced on:
 10 May,  17-18 May,  2-5 Jun.

Best Quiet Periods: 
 12-15 May, 20-30 May.

Northern Australian Regions: 
 Disturbed periods:None
 Best Quiet Periods: 11-16 May, 20-31 May, 07-09 Jun.

Central Australian Regions:
 Mildly disturbed Periods: 17-18 May, 02-05 Jun
 Best Quiet Periods: 11-15 May,  20-27 May,  30-31 May.

Southern Australian Regions:
 Disturbed Periods: 17-18 May, 2-5 Jun.
 Best Quiet Periods: 11-15 May,  20-27 May,  30-31 May.

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.

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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