[Ips-wgr] IPS Weekly Geo. Report (29 March 07)
rwc at ips.gov.au
Thu Mar 29 12:03:10 EST 2007
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 29 MARCH 2007, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (20 MARCH - 28 MARCH)
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
Date K-INDICES A
20 Mar 1110 2211 3
21 Mar 1121 1101 3
22 Mar 1111 1211 3
23 Mar 2222 3322 9
24 Mar 3334 3112 12
25 Mar 3323 3112 10
26 Mar 2322 2322 9
27 Mar 3323 2222 10
28 Mar 3312 1111 6
*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 expected for the next few days.
Possible Active conditions due to a equatorial positioned coronal
hole that is moving into geoeffective position, in the latter
half of the forecasted week.
2. FORECAST (29 MARCH - 28 APRIL)
active on 9 Apr.
Best Quiet Periods:
29 Mar to 31 Mar, 4 Apr to 6 Apr, 14 Apr to 18 Apr, 24 Apr.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 8 Apr.
Best Quiet Periods: 29 Mar to 5 Apr, 14 Apr to 16 Apr.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 29 Mar to 6 Apr, 11 Apr to 19 Apr.
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
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