[Ips-wgr] IPS Weekly Geo. Report (21 April 05)
rwc
rwc at ips.gov.au
Thu Apr 21 13:02:27 EST 2005
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 21 APRIL 2005, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (12 APRIL - 20 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
12 Apr 3333 4333 16
13 Apr 2444 4533 24
14 Apr 3433 4322 16
15 Apr 2333 3322 12
16 Apr 2111 1121 4
17 Apr 1220 1011 3
18 Apr 1222 3211 6
19 Apr 1221 2112 5
20 Apr 2434 4221 15
*estimated from real time data
Coronal hole wind stream induced activity observed
12-15 Apr, and 20 Apr.
2. FORECAST (21 APRIL - 21 MAY)
Disturbed Periods:
21-23 Apr active periods only
01-02 May active, chance minor storm periods
10-11 May active
21 May active
Best Quiet Periods:
04-07 May
13-15 May
25-28 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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