[Ips-dhfpr] IPS Daily HF Prop Report - 05 September 15 issued 2343 UT on 05 Sep 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 SEPTEMBER 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 SEPTEMBER) 
Date   T index  Conditions    
05 Sep    42    Normal-fair    

Flares: none.

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

PCA Event : No event.

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


2. FORECAST (06 SEPTEMBER - 08 SEPTEMBER)
Date   T index  Conditions       MUFs                              
06 Sep    40    Normal           15 to 20% below predicted monthly 
                                 values
07 Sep    50    Normal           Depressed 15%/near predicted 
                                 monthly values    
08 Sep    50    Normal           Depressed 15%/near predicted 
                                 monthly values   

COMMENT: Moderately depressed ionospheric conditions were observed 
across all AUS/NZ regions during the last 24 hours (UT day 5 
Sep). These depressions are after-effects of active geomagnetic 
conditions experienced on UT day 4 Sep associated with coronal 
hole (CH 95). HF conditions are expected to improve slightly 
over the next two days (6-7 Sep).

----------------------------------------------------------
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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