[Ips-wgr] IPS Weekly Geo. Report (17 May 07)
rwc
rwc at ips.gov.au
Thu May 17 13:13:12 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 17 MAY 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (08 MAY - 16 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
08 May 2333 3222 11
09 May 2321 2111 6
10 May 2111 0121 3
11 May 2111 1111 3
12 May 2111 1111 3
13 May 1211 0111 3
14 May 1111 1121 3
15 May 1212 1111 4
16 May 1211 1012 3
*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 (17 MAY - 16 JUNE)
Disturbed Periods:
active 19 May to 20 May, active 24 May to 26 May.
Best Quiet Periods:
17 May to 18 May, 21 May to 23 May, 29 May to 2 Jun, 5 Jun to 11 Jun.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 23 May to 26 May.
Best Quiet Periods: 18 May to 19 May, 29 May to 1 Jun, 6 Jun to 12 Jun.
Southern Australian Regions:
Disturbed Periods: 25 May to 26 May.
Best Quiet Periods: 17 May to 21 May, 28 May to 1 Jun, 6 Jun to 12 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.
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