[Ips-wgr] IPS Weekly Geo. Report (04 September 08)
rwc
rwc at ips.gov.au
Thu Sep 4 11:46:50 EST 2008
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 04 SEPTEMBER 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (26 AUGUST - 03 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
Australian Region*
Date K-INDICES A
26 Aug 1110 0111 2
27 Aug 2211 1011 3
28 Aug 1111 0111 2
29 Aug 2220 1111 4
30 Aug 1111 1011 2
31 Aug 1221 1211 4
01 Sep 2210 1111 3
02 Sep 1111 1001 2
03 Sep 1232 1322 8
*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 (04 SEPTEMBER - 04 OCTOBER)
Disturbed Periods:
active 4 Sep to 5 Sep.
Best Quiet Periods:
7 Sep to 13 Sep, 17 Sep to 30 Sep.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Sep to 30 Sep.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 4 Sep to 30 Sep.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Sep to 13 Sep, 16 Sep to 30 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
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
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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