[Ips-dhfpr] SWS Daily HF Prop Report - 19 January 22 issued 2331 UT on 19 Jan 2022

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/19 JANUARY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (19 JANUARY) 
Date   T index  Conditions    
19 Jan    20    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 35% during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Mostly near predicted monthly values.
      Depressed by 20% after local dawn.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   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      34
Jan      36
Feb      39


2. FORECAST (20 JANUARY - 22 JANUARY)
Date   T index  Conditions       MUFs                              
20 Jan    20    Normal-fair      Near predicted monthly values
21 Jan    20    Normal-fair      Near predicted monthly values    
22 Jan    20    Normal-fair      Near predicted monthly values   

COMMENT: SWS HF Communications Warning 6 was issued on 19 January 
and is current for 19-20 Jan. Australian regional maximum usable 
frequencies (MUFs) were near predicted monthly values to moderately 
depressed on 19 January. Occasional sporadic E observed at some 
stations. Near predicted monthly values with some mild depressions 
are possible on 20-22 January. There is a slight chance for shortwave 
fadeouts on daylight HF circuits over the next few days.

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
https://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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