[Ips-wgr] IPS Weekly Geo. Report (07 July 11)
rwc
rwc at ips.gov.au
Thu Jul 7 13:03:16 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 07 JULY 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (28 JUNE - 06 JULY)
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
28 Jun 1200 1000 1
29 Jun 0100 0001 0
30 Jun 1210 0021 2
01 Jul 2233 2311 9
02 Jul 0110 0122 2
03 Jul 2211 0000 2
04 Jul 1111 2233 7
05 Jul 1321 1021 5
06 Jul 1222 1112 5
*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 (07 JULY - 06 AUGUST)
Disturbed Periods:
active on 20 Jul.
Best Quiet Periods:
7 Jul, 11-13 Jul, 15-17 Jul, 22-27 Jul.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Quiet
Central Australian Regions:
Mildly disturbed on 8-11 Jul, 20-24 Jul.
Southern Australian Regions:
Disturbed on 8-11 Jul, 20-24 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
flight-line data.
PLEASE NOTE:
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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