[Ips-dhfpr] SWS Daily HF Prop Report - 06 February 20 issued 2335 UT on 06 Feb 2020

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/06 FEBRUARY 2020 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (06 FEBRUARY) 
Date   T index  Conditions    
06 Feb    -1    Normal         

Flares: none.

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


2. FORECAST (07 FEBRUARY - 09 FEBRUARY)
Date   T index  Conditions       MUFs                              
07 Feb   -20    Normal           Near predicted monthly values/depressed 
                                 15 to 25%
08 Feb   -15    Normal           Near predicted monthly values    
09 Feb   -10    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) for UT day 06 February 
were mainly near predicted monthly values for Equatorial and 
Australian regions. Periods of enhancements in MUFs were observed 
in the Equatorial and Northern Australian regions. Minor MUF 
depressions were observed in the Niue Island region during the 
local day. Sporadic-E occurrences were observed at some sites. 
In the Australian region, MUFs are expected to remain near predicted 
monthly values with the possibility of Minor to Moderate depressions 
on the next UT day, 07 February, then returning to near predicted 
monthly values on UT days 08-09 February.

----------------------------------------------------------
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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