[Ips-wgr] IPS Weekly Geo. Report (18 March 10)
rwc at ips.gov.au
Thu Mar 18 13:34:38 EST 2010
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 18 MARCH 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (09 MARCH - 17 MARCH)
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
09 Mar 1111 2112 4
10 Mar 2221 2322 7
11 Mar 2323 2121 8
12 Mar 2322 3312 9
13 Mar 1221 1221 5
14 Mar 2211 3212 6
15 Mar 2111 1221 4
16 Mar 1231 1112 5
17 Mar 2321 1112 6
*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 (18 MARCH - 17 APRIL)
No strong recurrent patterns, however mild activity may be experienced on:
18 Mar, 7 Apr to 8 Apr.
Best Quiet Periods:
19 Mar to 6 Apr, 9 Apr to 13 Apr.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet
Central Australian Regions: Quiet
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 18 Mar to 24 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
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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PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
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