[Ips-dhfpr] IPS Daily HF Prop Report - 25 November 00
Regional Warning Centre
rwc at ips.gov.au
Sun Nov 26 10:38:36 EST 2000
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 25/2330Z NOVEMBER 2000 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (25 NOVEMBER)
Date T index Conditions
25 Nov 133 Normal
Flares Max Fadeout Freq. Sectors
X1/2N 24/2159UT probable all East Pacific/
North American
M8/-- 25/0129UT probable all East Australian/
West Pacific
M3/2N 0920UT possible lower Mid East/Indian
X2/2B 1833UT probable all Central Pacific
MUFs:
Equatorial PNG and Northern Australian Regions:
Mostly near predicted monthly values.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values.
Antarctic Region (Casey/Scott Base):
Near predicted monthly values over the UT day.
Predicted Monthly T index for November: 133
2. FORECAST (26 NOVEMBER - 28 NOVEMBER)
Date T index Conditions MUFs
26 Nov 120 Fair about 10% below predicted monthly
values
27 Nov 100 Fair about 30% below predicted monthly
values
28 Nov 100 Fair about 30% below predicted monthly
values
COMMENT: IPS HF Communications Warning 80 was issued on 24 November
and is current for interval 26-28 November. Depressed ionospheric
conditions by 10% to 30% are likely from the 26 Nov till 28 Nov
after the anticipated arrival of several shocks associated with
CMEs observed following a series of energetic flares on the 23,
24 and 25 Nov.
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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