[Ips-dhfpr] IPS Daily HF Prop Report - 14 September 15 issued 2330 UT on 14 Sep 2015

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 SEPTEMBER) 
Date   T index  Conditions    
14 Sep    21    Poor-fair      

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 30% during local day.
      Depressed by 40% during local night.
      Depressed by 20% after local dawn.
   Niue Island Region:
      Depressed by 25% during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Depressed by 30% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 30% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Aug      46
Sep      75
Oct      73


2. FORECAST (15 SEPTEMBER - 17 SEPTEMBER)
Date   T index  Conditions       MUFs                              
15 Sep    20    Poor-fair        20 to 30% below predicted monthly 
                                 values
16 Sep    20    Poor-fair        20 to 30% below predicted monthly 
                                 values    
17 Sep    20    Poor-fair        20 to 30% below predicted monthly 
                                 values   

COMMENT: IPS HF Communications Warning 52 was issued on 14 September 
and is current for 15-17 Sep. Significant MUF depressions and 
degradations in HF conditions were observed over the last 24 
hours in the Australian region, due to very low levels of ionising 
radiation and increased geomagnetic activity. Similar HF conditions 
are expected for the next 3 days.

----------------------------------------------------------
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.

Space Weather Services              email: asfc at ips.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
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