[Ips-dhfpr] SWS Daily HF Prop Report - 26 April 18 issued 2330 UT on 26 Apr 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 APRIL 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 APRIL) 
Date   T index  Conditions    
26 Apr     6    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Depressed by 20% during local day.
   Northern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
      Depressed by 25% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 25% 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      2
Apr      2
May      1


2. FORECAST (27 APRIL - 29 APRIL)
Date   T index  Conditions       MUFs                              
27 Apr     4    Normal           Near predicted monthly values/depressed 
                                 10 to 20%
28 Apr     6    Normal           Near predicted monthly values    
29 Apr     6    Normal           Near predicted monthly values   

COMMENT: MUFs were mainly near predicted monthly values over 
most of the Aus/NZ region with periods of minor to moderate depressions 
in the northern areas on UT day 26 April. Periods of minor to 
moderate MUF enhancements were recorded in some southern areas 
on this day. Minor to moderate MUF depressions and degradations 
in HF conditions in the Aus/NZ region may be expected on 27 April. 
HF conditions may be expected to be mostly at normal levels in 
the region on 28 and 29 April.

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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
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