[Ips-wgr] IPS Weekly Geo. Report (17 December 15) issued 0205 UT on 17 Dec 2015 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Dec 17 13:05:05 EST 2015
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 17 DECEMBER 2015, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (08 DECEMBER - 16 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
08 Dec 3222 3112 8
09 Dec 1111 2222 5
10 Dec 2432 2233 12
11 Dec 2233 3322 11
12 Dec 2222 2212 6
13 Dec 2122 2001 4
14 Dec 1112 4444 15 In the IPS magnetometer data for 14
Dec, a weak (19nT) impulse was observed
at 1322UT and a weak (9nT) impulse
was observed at 1429UT.
15 Dec 3322 3322 11
16 Dec 3210 0011 3
*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 (17 DECEMBER - 16 JANUARY)
Disturbed Periods:
27 Dec, 1-4 Jan.
Best Quiet Periods:
17-25 Dec, 29-31 Dec, 9 Jan, 12 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None
Central Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 22 Dec, 24 Dec.
Southern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 21 Dec, 24 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.
Space Weather Services email: asfc at ips.gov.au
Bureau of Meteorology
PO Box 1386 WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240 AUSTRALIA FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010 fax: +61 2 9213 8060
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