[Ips-wgr] IPS Weekly Geo. Report (19 June 08)
rwc at ips.gov.au
Thu Jun 19 10:57:58 EST 2008
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 19 JUNE 2008, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (10 JUNE - 18 JUNE)
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
10 Jun 1111 1111 3
11 Jun 1121 1101 3
12 Jun 1111 1111 3
13 Jun 1110 0011 1
14 Jun 1111 2335 12
15 Jun 3343 3223 14
16 Jun 2224 2323 11
17 Jun 2333 2222 10
18 Jun 2333 2111 8
*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 (19 JUNE - 19 JULY)
active on 11 Jul to 12 Jul.
Best Quiet Periods:
22 Jun to 23 Jun, 29 Jun to 2 Jul, 5 Jul to 9 Jul.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 22 Jun.
Best Quiet Periods: 19 Jun, 25 Jun to 28 Jun, 1 Jul to 4 Jul.
Southern Australian Regions:
Disturbed Periods: 7 Jul to 8 Jul.
Best Quiet Periods: 25 Jun to 3 Jul.
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
Geomagnetic activity can frequently be determined by short timescale
solar events that cannot be forecast a week in advance, particularly
at solar maximum.
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