[Ips-wgr] IPS Weekly Geo. Report (24 August 06)
rwc
rwc at ips.gov.au
Thu Aug 24 12:41:41 EST 2006
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 24 AUGUST 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (15 AUGUST - 23 AUGUST)
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
15 Aug 1101 0111 2
16 Aug 1111 1101 2
17 Aug 0221 1122 4 A weak (13nT) impulse was observed in the IPS
magnetometer data at 0721UT on 17 Aug.
18 Aug 2232 2212 7 A weak (12nT) impulse was observed in the IPS
magnetometer data at 1643UT on 18 Aug.
19 Aug 2213 5445 22 A weak (12nT) impulse was observed in the IPS
magnetometer data at 1132UT on 19 Aug.
20 Aug 3421 1322 10
21 Aug 2222 2223 8
22 Aug 2344 3431 17
23 Aug 1230 1111 4
*estimated from real time data
Active on 19 Aug, active on 22 Aug.
Quiet to unsettled on other days.
2. FORECAST (24 AUGUST - 23 SEPTEMBER)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
24 Aug, 27 Aug to 29 Aug, 3 Sep to 5 Sep, 14 Sep to 19 Sep.
Best Quiet Periods:
25 Aug to 26 Aug, 30 Aug to 2 Sep, 6 Sep to 7 Sep, 9 Sep to 13 Sep.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 30 Aug to 2 Sep, 6 Sep to 13 Sep.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 30 Aug to 2 Sep, 6 Sep to 13 Sep.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 30 Aug to 2 Sep, 6 Sep to 13 Sep.
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.
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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