[Ips-dhfpr] SWS Daily HF Prop Report - 27 April 19 issued 2330 UT on 27 Apr 2019

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/27 APRIL 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (27 APRIL) 
Date   T index  Conditions    
27 Apr     1    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Enhanced by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 30% 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
Mar      -7
Apr      -12
May      -12


2. FORECAST (28 APRIL - 30 APRIL)
Date   T index  Conditions       MUFs                              
28 Apr     0    Normal           Near predicted monthly values
29 Apr     0    Normal           Near predicted monthly values    
30 Apr     0    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) ranged mostly from 
near predicted monthly values to mildly enhanced levels during 
the last 24 hours for Australian region. Minor depressions were 
also observed in Northern Australian region during local day. 
Sporadic E layers were observed over most Australian region. 
Mostly normal HF conditions and near predicted monthly MUFs are 
expected for the next three UT days, 28-30 April, in the Australian/NZ 
regions.

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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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