[Ips-wgr] IPS Weekly Geo. Report (10 September 09)
rwc at ips.gov.au
Thu Sep 10 12:13:55 EST 2009
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 10 SEPTEMBER 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (01 SEPTEMBER - 09 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
01 Sep 2111 2111 4
02 Sep 1210 1111 3
03 Sep 1111 1212 4
04 Sep 2322 2211 7
05 Sep 1211 0012 3
06 Sep 1311 1011 4
07 Sep 1111 1011 2
08 Sep 1111 0112 3
09 Sep 1210 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.
Mostly quiet with unsettled periods on 03, 04 and 06 September.
2. FORECAST (10 SEPTEMBER - 10 OCTOBER)
No strong recurrent patterns, however mild activity may be experienced on:
15 Sep to 17 Sep, 26 Sep.
Best Quiet Periods:
10 Sep to 14 Sep, 18 Sep to 25 Sep, 27 Sep to 6 Oct.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions: NA
Southern Australian Regions: NA
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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