[Ips-wgr] IPS Weekly Geo. Report (01 April 10)
rwc
rwc at ips.gov.au
Thu Apr 1 13:06:01 EST 2010
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 01 APRIL 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (23 MARCH - 31 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
Australian Region*
Date K-INDICES A
23 Mar 1111 1011 2
24 Mar 1111 3211 5
25 Mar 2212 2331 8
26 Mar 1211 2003 4
27 Mar 2211 1111 4
28 Mar 1322 2111 6
29 Mar 1111 1212 4
30 Mar 2211 1122 5
31 Mar 2212 1212 5
*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 (01 APRIL - 01 MAY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
4 Apr to 5 Apr, 7 Apr to 8 Apr.
Best Quiet Periods:
1 Apr to 3 Apr, 9 Apr to 27 Apr.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Central Australian Regions:
Disturbed Periods: None.
Southern Australian Regions:
Disturbed Periods: Mild Disturbance 4 Apr to 8 Apr.
Best Quiet Periods: 2 Apr to 3 Apr, 9 Apr to 13 Apr.
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.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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