[Ips-wgr] IPS Weekly Geo. Report (20 November 14) issued 0050 UT on 20 Nov 2014
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
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
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)
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
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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