[Ips-dhfpr] SWS Daily HF Prop Report - 23 April 18 issued 2330 UT on 23 Apr 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 APRIL 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 APRIL) 
Date   T index  Conditions    
23 Apr     3    Normal         

Flares: none.

MUFs:
   Niue Island Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 30% after local dawn.
   Northern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Enhanced by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      2
Apr      2
May      1


2. FORECAST (24 APRIL - 26 APRIL)
Date   T index  Conditions       MUFs                              
24 Apr     2    Normal           Near predicted monthly values
25 Apr     2    Normal           Near predicted monthly values    
26 Apr     0    Normal-fair      Near predicted monthly values   

COMMENT: On UT day 23April, MUFs were mainly near predicted monthly 
values over most of the Aus/NZ region with periods of minor depressions 
as well as enhancements in the northern areas. Periods of minor 
MUF enhancements were also recorded in some southern areas on 
this day. Mostly normal HF conditions may be expected in the 
Aus/NZ region for the next three days (24 to 26 April) with the 
possibility of minor to mild MUF depressions on 26 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
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