[Ips-wgr] IPS Weekly Geo. Report (15 October 09)
rwc
rwc at ips.gov.au
Thu Oct 15 13:17:53 EST 2009
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 15 OCTOBER 2009, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (06 OCTOBER - 14 OCTOBER)
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
06 Oct 1211 1011 3
07 Oct 1111 0121 3
08 Oct 1210 0011 2
09 Oct 1221 1111 4
10 Oct 1112 1111 3
11 Oct 2342 2212 10
12 Oct 1120 1021 3
13 Oct 2121 1112 4
14 Oct 1111 1011 2
*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 (15 OCTOBER - 14 NOVEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
24 Oct to 25 Oct
Best Quiet Periods:
15 Oct to 22Oct, 26 Oct to 10 Nov.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 15 Oct to 14 Nov.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 15 Oct to 14 Nov.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 15 Oct to 14 Nov.
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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