[Ips-dhfpr] SWS Daily HF Prop Report - 28 July 19 issued 2336 UT on 28 Jul 2019

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/28 JULY 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (28 JULY) 
Date   T index  Conditions    
28 Jul     4    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 75% during local night.
      Enhanced by 45% after local dawn.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 30% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      -4
Jul      -12
Aug      -14


2. FORECAST (29 JULY - 31 JULY)
Date   T index  Conditions       MUFs                              
29 Jul     0    Normal           Near predicted monthly values
30 Jul     0    Normal           Near predicted monthly values    
31 Jul     0    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) stayed mostly near 
predicted monthly values across the Australian/NZ regions on 
UT day 28 July. Sporadic-E and Spread-F occurrences were observed 
over some sites. MUFs in the Australian/NZ regions are expected 
to stay mostly near the predicted monthly values for the next 
three UT days, 29 to 31 July.

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