[Ips-dhfpr] IPS Daily HF Prop Report - 10 September 15 issued 2335 UT on 10 Sep 2015

rwc rwc at ips.gov.au
Fri Sep 11 09:35:55 EST 2015


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/10 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (10 SEPTEMBER) 
Date   T index  Conditions    
10 Sep    -3    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 25% during local day.
      Depressed by 55% during local night.
   Niue Island Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 25% after local dawn.
   Northern Australian Region:
      Depressed by 40% during local day.
      Depressed by 45% during local night.
      Depressed by 40% after local dawn.
   Southern Australian Region:
      Depressed by 50% during local day.
      Depressed by 55% during local night.
      Depressed by 40% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 30% over the UT day.

PCA Event : No event.

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


2. FORECAST (11 SEPTEMBER - 13 SEPTEMBER)
Date   T index  Conditions       MUFs                              
11 Sep     5    Fair             20 to 40% below predicted monthly 
                                 values
12 Sep     0    Fair             20 to 50% below predicted monthly 
                                 values    
13 Sep    10    Fair-poor        20 to 30% below predicted monthly 
                                 values   

COMMENT: Mild to significant MUF depressions and degradations 
in HF conditions observed over the last 24 hours in AUS/NZ regions 
due to very low levels of ionising radiation and increased geomagnetic 
activity. Nearly similar HF conditions expected from 11 to 
13 September due to expected enhancements in geomagnetic 
activity levels during this period.

----------------------------------------------------------
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 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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