[Ips-dhfpr] IPS Daily HF Prop Report - 27 August 15 issued 2351 UT on 27 Aug 2015

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 AUGUST 2015 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 AUGUST) 
Date   T index  Conditions    
27 Aug    22    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M2.9    0545UT  possible   lower  E. Asia/Aust.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 20% during local day.
      Depressed by 30% during local night.
      Depressed by 20% after local dawn.
   Southern Australian Region:
      Depressed by 40% during local day.
      Depressed by 35% during local night.
      Depressed by 45% 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
Jul      60
Aug      80
Sep      78


2. FORECAST (28 AUGUST - 30 AUGUST)
Date   T index  Conditions       MUFs                              
28 Aug    20    Normal-fair      20 to 30% below predicted monthly 
                                 values
29 Aug    20    Normal           20 to 30% below predicted monthly 
                                 values    
30 Aug    25    Normal           20 to 30% below predicted monthly 
                                 values   

COMMENT: IPS HF Communications Warning 42 was issued on 27 August 
and is current for 27-29 Aug. Depressed ionospheric support observed 
across all AUS/NZ regions for the last 24 hours. Similar HF conditions 
are expected for the next 2-3 days due to increased geomagnetic 
activity.

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