[Ips-dhfpr] SWS Daily HF Prop Report - 24 September 17 issued 2330 UT on 24 Sep 2017 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Mon Sep 25 09:30:25 EST 2017


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/24 SEPTEMBER 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (24 SEPTEMBER) 
Date   T index  Conditions    
24 Sep    21    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Enhanced by 25% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 35% during local day.
      Enhanced by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

PCA Event : No event.

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


2. FORECAST (25 SEPTEMBER - 27 SEPTEMBER)
Date   T index  Conditions       MUFs                              
25 Sep    15    Normal           Near predicted monthly values
26 Sep    10    Normal           Near predicted monthly values    
27 Sep    30    Normal-fair      Near to 15% above 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 (25 -27 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
PO Box 1386                         WWW: http://www.sws.bom.gov.au
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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