[Ips-wgr] IPS Weekly Geo. Report (31 July 14) issued 0236 UT on 31 Jul 2014
rwc
rwc at ips.gov.au
Thu Jul 31 12:36:34 EST 2014
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 31 JULY 2014, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (22 JULY - 30 JULY)
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
22 Jul 2100 2001 2
23 Jul 1110 0122 3
24 Jul 1112 1011 3
25 Jul 2122 0000 3
26 Jul 1122 1111 4
27 Jul 1110 0001 1
28 Jul 2221 2311 6
29 Jul 1110 0111 2
30 Jul 1100 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.
Quiet to Unsettled conditions observed for the last 7 days.
Mostly Quiet conditions expected for the the next 7 days with
possible Unsettled and isolated Active periods between 02Aug-05Aug.
2. FORECAST (31 JULY - 30 AUGUST)
Disturbed Periods:
No strong recurrent patterns, however mild activity may be experienced on:
2-5 Aug, 10-11 Aug, 24 Aug.
Best Quiet Periods:
31 Jul to 1 Aug, 7-9 Aug, 12-23 Aug, 25-26 Aug.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions: Quiet.
Central Australian Regions: Possible mild disturbance 2-5 Aug.
Southern Australian Regions:
Disturbed Periods: Possible 2-5 Aug.
Best Quiet Periods: 31 Jul to 23 Aug, 25-26 Aug.
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.
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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