[Ips-wgr] IPS Weekly Geo. Report (12 November 09)
rwc at ips.gov.au
Thu Nov 12 12:38:38 EST 2009
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 12 NOVEMBER 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (03 NOVEMBER - 11 NOVEMBER)
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
03 Nov 2111 1111 3
04 Nov 1111 1121 3
05 Nov 2211 1011 3
06 Nov 2210 0001 2
07 Nov 1111 0012 2
08 Nov 2323 2223 10
09 Nov 2222 1111 5
10 Nov 1211 1111 3
11 Nov 1121 1011 3
*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 through this period with isolated unsettled
conditions on 8 November.
2. FORECAST (12 NOVEMBER - 12 DECEMBER)
No strong recurrent patterns, however mild activity may be experienced on:
18 Nov to 20 Nov, 26 Nov.
Best Quiet Periods:
12 Nov to 17 Nov, 21 Nov to 25 Nov, 27 Nov to 8 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions: NA
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 12 Nov to 25 Nov.
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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