[Ips-wgr] IPS Weekly Geo. Report (25 May 06)
rwc
rwc at ips.gov.au
Thu May 25 11:39:48 EST 2006
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 25 MAY 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (16 MAY - 24 MAY)
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
16 May 1110 1111 2
17 May 1101 1211 3
18 May 2233 2332 11
19 May 2331 1121 7
20 May 2223 1111 6
21 May 2122 0121 4
22 May 2111 2123 6
23 May 2211 1111 4
24 May 1122 2111 4
*estimated from real time data
Quiet to unsettled conditions.
2. FORECAST (25 MAY - 24 JUNE)
Disturbed Periods:
active 6 Jun to 8 Jun.
Best Quiet Periods:
26 May to 30 May, 10 Jun to 24 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 23 May to 17 Jun.
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 21 May to 30 May, 3 Jun to 5 Jun, 9 Jun to 14 Jun.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 20 May to 31 May, 4 Jun, 10 Jun to 11 Jun, 15
Jun.
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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