[Ips-wgr] IPS Weekly Geo. Report (08 December 11) issued 0330 UT on 08 Dec 2011
Regional Warning Centre
rwc at ips.gov.au
Thu Dec 8 14:30:04 EST 2011
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 08 DECEMBER 2011, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (29 NOVEMBER - 07 DECEMBER)
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
29 Nov 4543 1222 17
30 Nov 4213 3233 13
01 Dec 2222 2112 6
02 Dec 2111 1223 6
03 Dec 2243 1233 12
04 Dec 2221 1112 5
05 Dec 1110 1112 3
06 Dec 1100 1111 2
07 Dec 1110 0012 2
*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 on 29 Nov.
quiet to unsettled on other days.
2. FORECAST (08 DECEMBER - 07 JANUARY)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
26 Dec to 27 Dec, 30 Dec.
Best Quiet Periods:
8 Dec to 25 Dec, 28 Dec to 29 Dec, 31 Dec to 3 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Dec to 14 Dec, 17 Dec to 1 Jan.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 8 Dec to 14 Dec, 17 Dec to 1 Jan.
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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