[Ips-dhfpr] SWS Daily HF Prop Report - 25 September 17 issued 2352 UT on 25 Sep 2017 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 SEPTEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 SEPTEMBER) 
Date   T index  Conditions    
25 Sep    22    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available during local day.
      No data available during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Aug      10
Sep      5
Oct      4


2. FORECAST (26 SEPTEMBER - 28 SEPTEMBER)
Date   T index  Conditions       MUFs                              
26 Sep    15    Normal           Near to 15% above predicted 
                                 monthly values
27 Sep    30    Normal-fair      Near to 15% above predicted 
                                 monthly values    
28 Sep    20    Fair             Near predicted monthly values   

COMMENT: MUFs were mostly slightly enhanced to near predicted 
monthly values over the last 24 hours in the Australian/NZ region. 
The three day outlook (26-28 September) is for the MUFs to be 
slightly enhanced compared to the predicted monthly levels. This 
is in response to the forecasted active magnetic conditions associated 
with the passage of the two coronal holes.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.sws.bom.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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