[Ips-dhfpr] IPS Daily HF Prop Report - 13 April 13 issued 2330 UT on 13 Apr 2013
Regional Warning Centre
rwc at ips.gov.au
Sun Apr 14 09:30:23 EST 2013
SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 APRIL 2013 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST
1. SUMMARY (13 APRIL)
Date T index Conditions
13 Apr 91 Normal
Flares: none.
MUFs:
Cocos Island Region:
Enhanced by 20% during local day.
Enhanced by 25% during local night.
Niue Island Region:
Near predicted monthly values.
Northern Australian Region:
Mostly near predicted monthly values.
Southern Australian and New Zealand Region:
Near predicted monthly values during local day.
Enhanced by 15% during local night.
Antarctic Region (Casey/Scott Base/Davis/Mawson):
Near predicted monthly values over the UT day.
PCA Event : No event.
Predicted Monthly T index for April: 68
2. FORECAST (14 APRIL - 16 APRIL)
Date T index Conditions MUFs
14 Apr 70 Fair-poor Near predicted monthly values/depressed
15 to 20%
15 Apr 30 Fair-poor 15 to 20% below predicted monthly
values
16 Apr 60 Normal Near predicted monthly values
COMMENT: IPS Preliminary HF Communications Warning 7 was issued
on 12 April and is current for 13-14 Apr. HF conditions were
mostly normal today with minor to moderate MUF enhancements.
Similar conditions are expected early on 14-Apr, with minor to
significant MUF depressions and degradations in HF conditions
later on 14-Apr and into 15-Apr, especially in mid and Southern
Aus/NZ regions, due to increased geomagnetic activity levels
expected during this period. Conditions should return to mostly
normal on 16-Apr.
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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.
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