[Ips-dhfpr] IPS Daily HF Prop Report - 17 March 13 issued 2330 UT on 17 Mar 2013
Regional Warning Centre
rwc at ips.gov.au
Mon Mar 18 10:30:23 EST 2013
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/17 MARCH 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (17 MARCH)
Date T index Conditions
17 Mar 79 Normal
Cocos Island Region:
Enhanced by 20% during local day.
Near predicted monthly values during local night.
Enhanced by 20% after local dawn.
Niue Island Region:
Enhanced by 15% during local day.
No data available during local night.
Northern Australian Region:
Near predicted monthly values during local day.
Enhanced by 20% during local night.
Depressed by 20% after local dawn.
Southern Australian and New Zealand Region:
Mostly near predicted monthly values.
Depressed by 40% after local dawn.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for March: 69
2. FORECAST (18 MARCH - 20 MARCH)
Date T index Conditions MUFs
18 Mar 0 Fair 30 to 40% below predicted monthly
19 Mar 40 Normal Depressed 15%/near predicted
20 Mar 70 Normal Near predicted monthly values
COMMENT: IPS HF Communications Warning 5 was issued on 17 March
and is current for 18-19 Mar. Significant MUF depressions of
up to 40% are being observed in mainland and southern Australian
regions. These conditions are expected for the remainder of the
UT day 18th March. Milder depressions of around 20% at most are
expected for the 19th March, returning to predicted monthly values
on the 20th.
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.
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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