[Ips-wgr] IPS Weekly Geo. Report (14 April 05)
rwc
rwc at ips.gov.au
Thu Apr 14 11:50:27 EST 2005
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 14 APRIL 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (05 APRIL - 13 APRIL)
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
05 Apr 5434 3323 21
06 Apr 3213 2322 9
07 Apr 1223 3101 6
08 Apr 2011 1011 2
09 Apr 1111 1001 2
10 Apr 1100 1001 1
11 Apr 1201 1133 6
12 Apr 3333 4333 16
13 Apr 2444 4533 24
*estimated from real time data
The period started with geomagnetic activity rising
from quiet to minor storm levels on 05 April due to
the effect of a coronal hole solar wind stream. The
activity then gradually declined to unsettled and then
quiet levels. Due to earth's entry into another coronal
hole solar wind stream the geomagnetic activity again
rose up to minor storm levels on 13 April.
2. FORECAST (14 APRIL - 14 MAY)
Disturbed Periods: 14 April, 21 April, 23 April, 01 to 02 May, 10 May.
Best Quiet Periods: 16 to 20 April, 24 to 30 April, 03 to 08 May,
11 to 14 May.
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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