[Ips-wgr] IPS Weekly Geo. Report (13 January 11)
rwc at ips.gov.au
Thu Jan 13 12:59:48 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 13 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (04 JANUARY - 12 JANUARY)
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
04 Jan 2212 2211 5
05 Jan 1011 1022 3
06 Jan 1111 1224 7
07 Jan 4222 3233 12
08 Jan 2224 3222 10
09 Jan 2212 2223 7
10 Jan 3223 2122 8
11 Jan 2222 2322 8
12 Jan 2222 2222 7
*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 for the forecast period with possible
Active periods for high latitudes on 14Jan-16Jan due to coronal
2. FORECAST (13 JANUARY - 12 FEBRUARY)
No strong recurrent patterns, however mild activity may be experienced on:
14 Jan to 16 Jan, 2 Feb to 3 Feb.
Best Quiet Periods:
13 Jan, 17 Jan to 1 Feb, 4 Feb to 8 Feb.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet
Central Australian Regions: Quiet, Mildly Disturbed 14Jan-16Jan.
Southern Australian Regions: Quiet, Mildly Disturbed 14Jan-16Jan.
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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