[Ips-dhfpr] SWS Daily HF Prop Report - 25 February 20 issued 2331 UT on 25 Feb 2020

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/25 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (25 FEBRUARY) 
Date   T index  Conditions    
25 Feb    -8    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
      Enhanced by 20% after local dawn.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
   Southern Australian Region:
      Mostly 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
Jan      -20
Feb      -16
Mar      -16


2. FORECAST (26 FEBRUARY - 28 FEBRUARY)
Date   T index  Conditions       MUFs                              
26 Feb   -10    Normal-fair      Near predicted monthly values
27 Feb   -10    Normal-fair      Near predicted monthly values    
28 Feb   -10    Normal-fair      Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) for UT day 25 February 
were mostly near predicted monthly values. Sporadic E observed 
at Niue 04-08 UT and Perth 06-08 UT. Night time spread F observed 
at mid-latitude stations. MUFs are expected to be mostly near 
predicted monthly values in the Australian region on 26 to 28 
February. Possible depressions to 15% on 26 February. Afternoon/evening 
sporadic E and night spread F are possible.

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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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