[Ips-wgr] IPS Weekly Geo. Report (07 December 06)
rwc
rwc at ips.gov.au
Thu Dec 7 12:21:05 EST 2006
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 07 DECEMBER 2006, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (28 NOVEMBER - 06 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
28 Nov 1222 2211 5
29 Nov 2422 1122 8
30 Nov 2345 5322 21
01 Dec 1222 2222 6
02 Dec 2121 1112 4
03 Dec 2221 1222 6
04 Dec 1111 0111 2
05 Dec 1112 1312 5
06 Dec 3334 4343 19
A weak (13nT) impulse was observed in the IPS magnetometer data
at 0333UT on 29 Nov.
*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.
Quiet to Unsettled conditions for most of the week with Active periods on
30 Nov and 6 Dec. Elevated geomgnetic activity is expected for the next
few days due to coronal hole effects. Chance of isolated Minor Storm
periods during this time.
2. FORECAST (07 DECEMBER - 06 JANUARY)
Disturbed Periods:
Active 7 Dec to 8 Dec, Active on 21 Dec, Active on 2 Jan.
Best Quiet Periods:
10 Dec to 12 Dec, 14 Dec to 19 Dec, 24 Dec to 26 Dec, 28 Dec to 1 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 7 Dec to 1 Jan.
Central Australian Regions:
Disturbed Periods: 1 Jan.
Best Quiet Periods: 9 Dec to 19 Dec, 24 Dec to 30 Dec.
Southern Australian Regions:
Disturbed Periods: 1 Jan.
Best Quiet Periods: 9 Dec to 19 Dec, 24 Dec to 30 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.
IPS Radio and Space Services email: asfc at ips.gov.au
PO Box 1386 WWW: http://www.ips.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp.ips.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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