[Ips-wgr] IPS Weekly Geo. Report (19 July 12) issued 0200 UT on 19 Jul 2012
rwc
rwc at ips.gov.au
Thu Jul 19 12:00:34 EST 2012
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 19 JULY 2012, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (10 JULY - 18 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
10 Jul 2223 2222 8
11 Jul 2233 1112 7
12 Jul 2333 1101 7
13 Jul 1111 0011 2
14 Jul 1211 1344 11
15 Jul 4455 4445 34
16 Jul 3354 5322 22
17 Jul 2342 1212 9
18 Jul 1110 1012 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 16 Jul. Minor storm on 15 Jul. Quiet to unsettled on other days.
2. FORECAST (19 JULY - 18 AUGUST)
Disturbed Periods:
27-30 Jul, 07 Aug.
Best Quiet Periods:
22-25 Jul,02-05 Aug, 09-11 Aug.
3. FORECAST FOR HIGH RESOLUTION AEROMAGNETIC SURVEYS
Northern Australian Regions:
Disturbed Periods: None.
Best Quiet Periods: 22-26 Jul,02-05 Aug, 08-16 Aug.
Central Australian Regions:
Mildly disturbed Periods: 27-30 Jul, 07 Aug.
Best Quiet Periods: 22-25 Jul,02-05 Aug, 09-11 Aug.
Southern Australian Regions:
Disturbed Periods: 27-30 Jul, 07 Aug.
Best Quiet Periods: 22-25 Jul,02-05 Aug, 09-11 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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