[Ips-dhfpr] SWS Daily HF Prop Report - 28 January 18 issued 2330 UT on 28 Jan 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JANUARY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JANUARY) 
Date   T index  Conditions    
28 Jan    -9    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values 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
Dec      -10
Jan      4
Feb      4


2. FORECAST (29 JANUARY - 31 JANUARY)
Date   T index  Conditions       MUFs                              
29 Jan    -5    Normal-fair      Near predicted monthly values
30 Jan    -5    Normal-fair      Near predicted monthly values    
31 Jan    -5    Normal-fair      Near predicted monthly values   

COMMENT: Depressed MUFs observed for Equatorial regions during 
local night and during local day for Northern and Southern AUS/NZ 
regions over the last 24 hours. Normal ionospheric support for 
Antarctic regions. Similar HF conditions are expected for the 
next 3 days with possible depressed MUF's of 10%-30% at times 
for Northern AUS and Southern AUS/NZ regions.

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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
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