[Ips-wgr] IPS Weekly Geo. Report (24 December 15) issued 0043 UT on 24 Dec 2015 [SEC=UNCLASSIFIED]
rwc
rwc at ips.gov.au
Thu Dec 24 11:43:56 EST 2015
SUBJ: SWS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 24 DECEMBER 2015, BY Space Weather Services,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (15 DECEMBER - 23 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
15 Dec 3322 3322 11
16 Dec 3210 0011 3
17 Dec 2211 2232 7
18 Dec 2111 0112 3
19 Dec 1111 1444 12 In the IPS magnetometer data for 19
Dec, a weak (24nT) impulse was observed
at 1617UT and a weak (20nT) impulse
was observed at 1803UT.
20 Dec 3534 5555 37
21 Dec 3334 3223 14
22 Dec 2244 3122 12
23 Dec 2222 2232 8
*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.
Minor storm on 20 Dec. Quiet to unsettled on other days.
2. FORECAST (24 DECEMBER - 23 JANUARY)
Disturbed Periods:
1-3 Jan, 6-11 Jan
Best Quiet Periods:
29-31 Dec, 5 Jan, 12-23 Jan.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: NA
Central Australian Regions: NA
Southern Australian Regions: NA
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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