[Ips-dhfpr] SWS Daily HF Prop Report - 21 February 22 issued 2331 UT on 21 Feb 2022

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/21 FEBRUARY 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (21 FEBRUARY) 
Date   T index  Conditions    
21 Feb    57    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 30% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 20% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jan      46
Feb      38
Mar      41


2. FORECAST (22 FEBRUARY - 24 FEBRUARY)
Date   T index  Conditions       MUFs                              
22 Feb    50    Normal-fair      Near predicted monthly values
23 Feb    50    Normal-fair      Near predicted monthly values    
24 Feb    50    Normal           Near predicted monthly values   

COMMENT: SWS SWF HF Communications Warning 20 was issued on 21 
February and is current for 21-23 Feb. Australian regional maximum 
usable frequencies (MUFs) were near predicted monthly to mildly 
enhanced levels on 21 Feb. MUFs are expected to be mostly near 
predicted monthly values on 22-24 Feb with a chance of isolated 
shortwave fadeouts.

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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
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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