[Ips-dhfpr] SWS Daily HF Prop Report - 22 January 18 issued 2354 UT on 22 Jan 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/22 JANUARY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (22 JANUARY) 
Date   T index  Conditions    
22 Jan   -10    Normal         

Flares: none.

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


2. FORECAST (23 JANUARY - 25 JANUARY)
Date   T index  Conditions       MUFs                              
23 Jan   -10    Normal           Near predicted monthly values/depressed 
                                 10 to 30%
24 Jan   -10    Normal           Near predicted monthly values/depressed 
                                 10 to 30%    
25 Jan    -5    Normal           Near predicted monthly values/depressed 
                                 10 to 30%   

COMMENT: Minor MUF depressions observed for Northern AUS, Southern 
AUS/NZ regions as well as notable sporadic E conditions for SWS 
Canberra,Camden,Brisbane and Townsville stations between 10UT-16UT. 
Minor geomagnetic activity and continued very low levels of solar 
activity for 23Jan may result in minor to moderate MUF depressions 
23 January. HF conditions should see a return to predicted monthly 
values from 25 January.

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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
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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