[Ips-wgr] IPS Weekly Geo. Report (13 September 07)
rwc
rwc at ips.gov.au
Thu Sep 13 11:46:54 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 13 SEPTEMBER 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (04 SEPTEMBER - 12 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
04 Sep 2222 2112 6
05 Sep 2233 4212 11
06 Sep 2222 2223 8
07 Sep 3322 2112 8
08 Sep 2222 1221 6
09 Sep 1122 1111 4
10 Sep 1111 1111 3
11 Sep 1210 1111 3
12 Sep 1111 1011 2
*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 (13 SEPTEMBER - 13 OCTOBER)
Disturbed Periods:
active on 29 Sep.
Best Quiet Periods:
13 Sep, 15 Sep to 20 Sep, 25 Sep to 27 Sep, 1 Oct, 5 Oct to 8 Oct.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 13 Sep to 21 Sep, 24 Sep to 27 Sep, 6 Oct to 9 Oct.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 13 Sep to 27 Sep, 4 Oct to 9 Oct.
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.
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