[Ips-dhfpr] SWS Daily HF Prop Report - 11 April 22 issued 2331 UT on 11 Apr 2022 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 APRIL 2022 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 APRIL) 
Date   T index  Conditions    
11 Apr    63    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 50% during local day.
      Near predicted monthly values during local night.
      Enhanced by 25% after local dawn.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Near predicted monthly values.
   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
Mar      64
Apr      46
May      49


2. FORECAST (12 APRIL - 14 APRIL)
Date   T index  Conditions       MUFs                              
12 Apr    60    Normal           Near predicted monthly values
13 Apr    50    Normal-fair      Near predicted monthly values/depressed 
                                 10 to 20%    
14 Apr    35    Fair-normal      Depressed 10 to 20%/near predicted 
                                 monthly values   

COMMENT: Maximum usable frequencies (MUFs) on UT day 11 Apr were 
near monthly predicted values to slightly enhanced. Mild to moderate 
MUF degradations may be observed at high to mid latitude regions 
on 13-14 Apr due to anticipated arrival of coronal mass ejection 
observed on 11 Apr.

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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
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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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