[Ips-wgr] IPS Weekly Geo. Report (27 January 11)
rwc at ips.gov.au
Thu Jan 27 12:36:30 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 27 JANUARY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (18 JANUARY - 26 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
18 Jan 2221 1122 5
19 Jan 3223 2222 9
20 Jan 2123 2122 7
21 Jan 1111 1212 4
22 Jan 2221 2211 5
23 Jan --11 2111 3
24 Jan ---- 2222 7
25 Jan 3222 2112 7
26 Jan 2111 1121 4
*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 (27 JANUARY - 26 FEBRUARY)
No strong recurrent patterns, however mild activity may be experienced on:
2 Feb to 3 Feb.
Best Quiet Periods:
27 Jan to 1 Feb, 4 Feb to 22 Feb.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions: NA
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 27 Jan to 8 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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