[Ips-wgr] IPS Weekly Geo. Report (18 July 02)
rwc
rwc at ips.gov.au
Thu Jul 18 16:35:20 EST 2002
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 18 JULY 2002, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (09 JULY - 17 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
09 Jul 2233 2332 11
10 Jul 2223 1122 7
11 Jul 2112 2023 6
12 Jul 2323 3433 14
13 Jul 2221 2211 5
14 Jul 1111 0011 2
15 Jul 1121 1112 4
16 Jul 2223 1123 8
17 Jul 2333 2533 17 A weak (32nT) impulse was observed in the IPS
magnetomter data at 1604UT on 17 Jul.
*estimated from real time data
Slightly elevated activity on 12 July resulted from a coronal hole, and on
17 July from glancing blow from CME associated with X3-flare on 15 July.
on
2. FORECAST (18 JULY - 17 AUGUST)
Disturbed Periods: There is a reasonable chance of continued CME and
associated intermittent geomagnetic activity over the next couple of
weeks due to several active regions currently on the visible sun and
rotating into view.
Best Quiet Periods: 4-11 August.
PEASE NOTE:
At this time of the solar cycle, space weather conditions
are frequently determined by short timescale events, not
able to be forecasted a week in advance.
IPS Radio and Space Services | email: asfc at ips.gov.au
PO Box 1386 | WWW: http://www.ips.gov.au/asfc
Haymarket NSW 1240 AUSTRALIA | FTP: ftp://ftp.ips.gov.au/users/asfc/
tel: +61 2 9213 8010 | fax: +61 2 9213 8060
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