[Ips-wgr] IPS Weekly Geo. Report (05 July 12) issued 0214 UT on 05 Jul 2012

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 05 JULY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (26 JUNE - 04 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               
 26 Jun   2212 0101    3  
 27 Jun   1111 2111    3  
 28 Jun   2222 1211    5  
 29 Jun   1110 1012    2  
 30 Jun   2235 4333   18  
 01 Jul   3333 3222   12  
 02 Jul   3332 4332   14  
 03 Jul   2223 2312    8  
 04 Jul   2322 2011    6  

*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 Space Environment Research Center, Japan.

Active on 30 Jun and 2 Jul. Quiet to unsettled on other days.

2. FORECAST (05 JULY - 04 AUGUST)
Disturbed Periods: 6-8 Jul, 26-29 Jul.

Best Quiet Periods: 10-25 Jul, 2-4 Aug.

3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
 Disturbed Periods: None.
 Best Quiet Periods: 10-25 Jul, 30 Jul-4 Aug.

Central Australian Regions:
 Mildly Disturbed Periods: 6-9 Jul, 26-30 Jul.
 Best Quiet Periods: 10-25 Jul, 31 Jul-4 Aug.

Southern Australian Regions:
 Disturbed Periods: 6-9 Jul, 26-30 Jul.
 Best Quiet Periods: 10-25 Jul, 31 Jul-4 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.

IPS Radio and Space Services        email: asfc at ips.gov.au
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