[Ips-wgr] IPS Weekly Geo. Report (02 September 10)
rwc at ips.gov.au
Thu Sep 2 12:14:50 EST 2010
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 02 SEPTEMBER 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (24 AUGUST - 01 SEPTEMBER)
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
Date K-INDICES A
24 Aug 3333 4323 15
25 Aug 3324 3322 13
26 Aug 3333 3211 11
27 Aug 2333 3323 13
28 Aug 2232 2122 7
29 Aug 1111 0011 2
30 Aug 1111 0001 1
31 Aug 1121 1012 3
01 Sep 2211 1122 5
*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.
Quiet to unsettled conditions.
2. FORECAST (02 SEPTEMBER - 02 OCTOBER)
No strong recurrent patterns, however Unsettled-Active may be experienced on:
5-7 Sept, 20-23 Sept
Best Quiet Periods:
2 Sep to 4 Sep, 8 Sep to 19 Sep, 24 Sep to 28 Sep.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 2 Sep to 20 Sep.
Central Australian Regions:
Disturbed Periods: Mildly disturbed 20-24 Sept
Best Quiet Periods: 2 Sep to 19 Sep.
Southern Australian Regions:
Disturbed Periods: 20-24 Sept
Best Quiet Periods: 2 Sep to 11 Sep, 16 Sep to 20 Sep.
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
Geomagnetic activity can frequently be determined by short timescale
solar events that cannot be forecast a week in advance, particularly
at solar maximum.
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