[Ips-dhfpr] SWS Daily HF Prop Report - 12 October 18 issued 2330 UT on 12 Oct 2018 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Sat Oct 13 10:30:21 EST 2018


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/12 OCTOBER 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (12 OCTOBER) 
Date   T index  Conditions    
12 Oct   -22    Normal         

Flares: none.

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

PCA Event : No event.

Monthly T index:
Month  T index
Sep      0
Oct      -5
Nov      -5


2. FORECAST (13 OCTOBER - 15 OCTOBER)
Date   T index  Conditions       MUFs                              
13 Oct   -20    Normal           Near predicted monthly values/depressed 
                                 5 to 25%
14 Oct   -15    Normal           Near predicted monthly values/depressed 
                                 5 to 20%    
15 Oct   -15    Normal           Near predicted monthly values/depressed 
                                 5 to 20%   

COMMENT: On UT day 12 October over the Australian region MUFs 
were varying mostly between the monthly predicted values and 
moderately depressed ones. The highest MUF depression of 35% 
below the monthly predicted levels occurred over the Northern 
Australian region during the local night. Similar HF conditions 
are expected for the next 3 UT days, 13-15 October.

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