[Ips-wgr] IPS Weekly Geo. Report (22 July 10)
rwc
rwc at ips.gov.au
Thu Jul 22 11:38:59 EST 2010
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 22 JULY 2010, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (13 JULY - 21 JULY)
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
13 Jul 1111 0001 1
14 Jul 1212 2123 6
15 Jul 4212 3111 8
16 Jul 1112 1101 3
17 Jul 1001 0001 1
18 Jul 1110 0101 1
19 Jul 1110 0101 1
20 Jul 2121 1111 4
21 Jul 2211 1111 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 (22 JULY - 21 AUGUST)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
22 Jul to 24 Jul, 26 Jul to 29 Jul, 10 Aug to 11 Aug, 17 Aug.
Best Quiet Periods:
25 Jul, 30 Jul to 9 Aug, 12 Aug to 16 Aug.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 22 Jul to 17 Aug.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 22 Jul to 17 Aug.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 22 Jul to 25 Jul, 29 Jul to 17 Aug.
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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