[Ips-wgr] IPS Weekly Geo. Report (27 February 14) issued 0214 UT on 27 Feb 2014
rwc at ips.gov.au
Thu Feb 27 13:14:29 EST 2014
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 27 FEBRUARY 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (18 FEBRUARY - 26 FEBRUARY)
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
18 Feb 1121 2322 6
19 Feb 2344 5322 19 In the IPS magnetometer data for 19
Feb, a weak (9nT) impulse was observed
20 Feb 1544 4322 20
21 Feb 2112 2312 6
22 Feb 2222 2322 8
23 Feb 1243 2444 17 In the IPS magnetometer data for 23
Feb, a weak (13nT) impulse was observed
at 0704UT and a weak (6nT) impulse
was observed at 1829UT.
24 Feb 1212 1111 4
25 Feb 3100 1101 3
26 Feb 1010 0001 1
*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.
Active on 19-20 Feb, 23 Feb. Quiet to unsettled on other days.
2. FORECAST (27 FEBRUARY - 29 MARCH)
No strong recurrent patterns, however mild activity may be experienced on:
27 Feb, 1 Mar, 7 Mar, 9 Mar, 20 Mar.
Best Quiet Periods:
28 Feb, 2-6 Mar, 8 Mar, 10-19 Mar, 21-25 Mar.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS - based on recurrence
Northern Australian Regions: NA
Central Australian Regions:
Mildly Disturbed Periods: 19th March
Best Quiet Periods: 27 Feb to 18 Mar, 20-29 March.
Southern Australian Regions:
Disturbed Periods: 19th March
Best Quiet Periods: 27 Feb to 7 Mar, 10-18 Mar, 20-25 Mar.
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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