[Ips-wgr] IPS Weekly Geo. Report (15 March 12) issued 0228 UT on 15 Mar 2012
rwc
rwc at ips.gov.au
Thu Mar 15 13:28:50 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 15 MARCH 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (06 MARCH - 14 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
Australian Region*
Date K-INDICES A
06 Mar 2221 2122 6
07 Mar 3355 4433 26 A weak (13nT) impulse was observed in the IPS
magnetometer data at 0421UT on 07 Mar.
08 Mar 1225 4333 17 A weak (32nT) impulse was observed in the IPS
magnetometer data at 1103UT on 08 Mar.
09 Mar 4556 5422 36
10 Mar 3333 2221 10
11 Mar 2112 3222 7
12 Mar 2226 5322 22 A weak (30nT) impulse was observed in the IPS
magnetometer data at 0915UT on 12 Mar.
13 Mar 2222 2222 7
14 Mar 2112 2322 7
*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.
Active and Storm conditions on, 7-9 Mar and 12 Mar. Quiet to unsettled on other
days.
2. FORECAST (15 MARCH - 14 APRIL)
Disturbed Periods:
Mild activity may be Experienced on:
16-17 Mar and 12-13 Apr.
Best Quiet Periods:
21-24 Mar, 27 Mar, 3-10 Apr.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 20-27 Mar, 2-10 Apr.
Central Australian Regions:
Mildly disturbed Periods: 16-17 Mar.
Best Quiet Periods: 20-27 Mar, 2-10 Apr.
Southern Australian Regions:
Disturbed Periods: 16-17 Mar.
Best Quiet Periods: 20 -27 Mar, 2-10 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.
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