[Ips-wgr] IPS Weekly Geo. Report (27 September 01)

[rwc]

SUBJ: IPS WEEKLY GEOPHYSICAL REPORT 
ISSUED ON 27 SEPTEMBER 2001, BY IPS RADIO AND SPACE SERVICES,
FROM THE AUSTRALIAN SPACE FORECAST CENTRE

1. SUMMARY (18 SEPTEMBER - 26 SEPTEMBER)
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               
 18 Sep   2211 1342    9        
 19 Sep   3310 1122    6       
 20 Sep   1111 1013    4      
 21 Sep   1100 1003    3     
 22 Sep   2223 3201    7    
 23 Sep   1344 4554   27           
 24 Sep   3321 1123    8           
 25 Sep   2321 1166   24
 26 Sep   6344 1224   24

*estimated from real time data

Disturbed conditions observed on 23 Sep following 
a weak sudden impulse detected (16nT) in ips mag data at 0930UT.

Disturbed conditions observed on 25-26 Sep following 
a moderate sudden impulse detected (55nT) in ips mag data 25/2025UT

Two regions in south-west quadrant of solar disk remain flare and
mass ejection capable.

2. FORECAST (27 SEPTEMBER - 27 OCTOBER)
Disturbed Periods: 
29-30 Sep Active periods
08-10 Oct Chance of active periods

Best Quiet Periods: 
04-07 Oct
16-19 Oct


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