[Ips-wgr] IPS Weekly Geo. Report (18 November 04)
rwc
rwc at ips.gov.au
Thu Nov 18 11:51:10 EST 2004
SUBJ: IPS WEEKLY GEOPHYSICAL REPORT
ISSUED ON 18 NOVEMBER 2004, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
1. SUMMARY (09 NOVEMBER - 17 NOVEMBER)
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 Nov 3456 6567 64 A weak (22nT) impulse was observed in the IPS
magnetometer data at 0931UT on 09 Nov, and a moderate (58nT) impulse was
observed at 1849UT on 09 Nov.
10 Nov 6677 6544 77
11 Nov 2333 2335 17 A weak (15nT) impulse was observed in the IPS
magnetometer data at 1712UT on 11 Nov.
12 Nov 4455 3333 26
13 Nov 1123 2212 6
14 Nov 2222 2222 7
15 Nov 2111 0002 2
16 Nov 1223 3323 10 A weak (21nT) impulse was observed in the IPS
magnetometer data at 1446UT on 16 Nov.
17 Nov 2222 1102 5
*estimated from real time data
Severe storm activity observed from 8 to 10 Nov, following numerous
coronal mass ejection events. No significant activity followed the
sudden impulse on 16 Nov. The region that produced this activity
was in decline as it rotated off the solar disk.
2. FORECAST (18 NOVEMBER - 18 DECEMBER)
Disturbed Periods:
4-7 Dec active periods
Best Quiet Periods:
18-19 Nov, 22-24 Nov,28 Nov-2Dec, 11-14 Dec
IPS Radio and Space Services | email: asfc at ips.gov.au
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