[Ips-wgr] IPS Weekly Geo. Report (07 August 08)
rwc at ips.gov.au
Thu Aug 7 10:56:37 EST 2008
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 07 AUGUST 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (29 JULY - 06 AUGUST)
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
29 Jul 1111 1111 3
30 Jul 1112 0011 2
31 Jul 1112 1111 3
01 Aug 1210 1111 3
02 Aug 1110 1001 1
03 Aug 1111 0121 3
04 Aug 1111 1011 2
05 Aug 1111 2011 3
06 Aug 1212 1221 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 (07 AUGUST - 06 SEPTEMBER)
Disturbed Periods: active on 8 to 10 Aug, 19 Aug, 4 to 6 Sep
Best Quiet Periods: 12 to 17 Aug, 21 Aug to 3 Sep.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 7 Aug to 2 Sep.
Central Australian Regions: NA
Southern Australian Regions:
Disturbed Periods: 9 Aug to 11 Aug.
Best Quiet Periods: 7 Aug, 13 Aug to 17 Aug, 21 Aug to 2 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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