[Ips-wgr] IPS Weekly Geo. Report (02 April 15) issued 0134 UT on 02 Apr 2015
rwc
rwc at ips.gov.au
Thu Apr 2 12:34:52 EST 2015
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 02 APRIL 2015, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (24 MARCH - 01 APRIL)
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
24 Mar 1213 3432 11
25 Mar 2223 4222 10 In the IPS magnetometer data for 25
Mar, a weak (16nT) impulse was observed
at 1322UT.
26 Mar 2120 2222 5
27 Mar 2222 3211 7
28 Mar 1222 2223 7
29 Mar 3223 3122 9
30 Mar 1111 0012 2
31 Mar 1122 3322 8 In the IPS magnetometer data for 31
Mar, a weak (11nT) impulse was observed
at 0834UT.
01 Apr 2222 1222 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 International Center for Space Weather
Science and Education, Japan.
Quiet to unsettled conditions.
2. FORECAST (02 APRIL - 02 MAY)
Disturbed Periods:
2 Apr, 19 Apr, 25 Apr.
Best Quiet Periods:
4-6 Apr, 8-11 Apr, 14 Apr, 22-23 Apr, 28 Apr.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Best Quiet Periods: 4-12 Apr, 22-28 Apr
Central Australian Regions:
Best Quiet Periods: 4-12 Apr, 22-28 Apr
Southern Australian Regions:
Disturbed Periods: 3 Apr, 13 Apr, 16-17 Apr, 21 Apr.
Best Quiet Periods: 2 Apr, 6-12 Apr, 23-27 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
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.
IPS Radio and Space Services email: asfc at ips.gov.au
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