[Ips-wgr] IPS Weekly Geo. Report (12 March 15) issued 0143 UT on 12 Mar 2015
rwc at ips.gov.au
Thu Mar 12 12:43:12 EST 2015
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 12 MARCH 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (03 MARCH - 11 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
03 Mar 2223 3122 8
04 Mar 1213 3012 6
05 Mar 1111 3112 5
06 Mar 2232 1123 8
07 Mar 3332 3323 13
08 Mar 2223 4211 9
09 Mar 2110 0102 2
10 Mar 2211 0002 3
11 Mar 2321 3331 10
In the IPS magnetometer data for 11 Mar,
a weak (11nT) impulse was observed at 0513UT.
*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 International Center for Space Weather
Science and Education, Japan.
Quiet to unsettled conditions.
2. FORECAST (12 MARCH - 11 APRIL)
12-15 Mar, 28-29 Mar.
Best Quiet Periods:
18-21 Mar, 24-26 Mar, 1 Apr, 5-7 Apr.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: 3 Apr.
Best Quiet Periods: 15-22 Mar, 26 Mar, 30 Mar, 2 Apr, 6-7 Apr.
Southern Australian Regions:
Disturbed Periods: 3 Apr.
Best Quiet Periods: 15-22 Mar, 25-26 Mar, 30 Mar, 2 Apr, 6 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
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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