[Ips-wgr] IPS Weekly Geo. Report (20 January 11)
rwc at ips.gov.au
Thu Jan 20 13:12:38 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 20 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (11 JANUARY - 19 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
11 Jan 2222 2322 8
12 Jan 2222 2222 7
13 Jan 2212 2223 7
14 Jan 3232 2322 10
15 Jan 2222 2212 6
16 Jan 2211 3221 6
17 Jan 2222 2112 6
18 Jan 2221 1122 5
19 Jan 3223 2222 9
*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 (20 JANUARY - 19 FEBRUARY)
No strong recurrent patterns, however mild activity may be experienced on:
2 to 3 Feb and 10 Feb.
Best Quiet Periods:
20 Jan to 1 Feb, 4 to 9 Feb, 11 to 19 Feb.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet
Central Australian Regions: Mildly disturbed 3 to 6 Feb, 10 Feb
Southern Australian Regions: Disturbed 3 to 6 Feb, 10 Feb
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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