[Ips-wgr] IPS Weekly Geo. Report (09 February 12) issued 0245 UT on 09 Feb 2012
rwc
rwc at ips.gov.au
Thu Feb 9 13:45:10 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 09 FEBRUARY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (31 JANUARY - 08 FEBRUARY)
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
Australian Region*
Date K-INDICES A
31 Jan 2221 1012 4
01 Feb 2332 2112 8
02 Feb 2112 1022 4
03 Feb 2212 3112 6
04 Feb 2222 3222 8
05 Feb 2222 3222 8
06 Feb 2110 1332 6
07 Feb 2223 4233 12
08 Feb 2322 3122 8
*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.
B
2. FORECAST (09 FEBRUARY - 10 MARCH)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
9-12 Feb, 18-19 Feb, 29-31 Feb, 7-10 Mar.
Best Quiet Periods:
13-17 Feb, 20-28 Feb, 1-6 Mar.
B
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 14 Feb to 5 Mar.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 14 Feb to 5 Mar.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 14-16 Feb, 21-27 Feb, 2-5 Mar.
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
flight-line data.
PLEASE NOTE:
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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