[Ips-wgr] IPS Weekly Geo. Report (20 November 14) issued 0050 UT on 20 Nov 2014
rwc
rwc at ips.gov.au
Thu Nov 20 11:50:11 EST 2014
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 20 NOVEMBER 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (11 NOVEMBER - 19 NOVEMBER)
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
11 Nov 3222 2123 8
12 Nov 2221 0022 4
13 Nov 2111 1012 3
14 Nov 3342 2222 11 In the IPS magnetometer data for 14
Nov, a weak (11nT) impulse was observed
at 0550UT.
15 Nov 2223 3123 9
16 Nov 3233 3322 12
17 Nov 1111 2332 7
18 Nov 2212 3312 8
19 Nov 2122 2122 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 (20 NOVEMBER - 20 DECEMBER)
Disturbed Periods:
13 Dec.
Best Quiet Periods:
20-22 Nov, 25-30 Nov, 3 Dec, 5-6 Dec, 9-10 Dec.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
No significant disturbances expected at this time (refer to note below).
Central Australian Regions:
Disturbed Periods: 2 Dec.
Best Quiet Periods: 20-30 Nov, 7-11 Dec, 13-16 Dec.
Southern Australian Regions:
Disturbed Periods: 2 Dec, 5 Dec.
Best Quiet Periods: 20-30 Nov, 8 Dec, 10-11 Dec, 13-16 Dec.
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
PO Box 1386 WWW: http://www.ips.gov.au
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