[Ips-dhfpr] SWS Daily HF Prop Report - 04 May 18 issued 2349 UT on 04 May 2018 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/04 MAY 2018 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (04 MAY) 
Date   T index  Conditions    
04 May     3    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      No data available.
   Niue Island Region:
      Depressed by 20% during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed by 20% during local day.
      Near predicted monthly values during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% 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
Apr      7
May      1
Jun      0


2. FORECAST (05 MAY - 07 MAY)
Date   T index  Conditions       MUFs                              
05 May     0    Normal           Near predicted monthly values
06 May   -20    Normal-fair      Depressed 15%/near predicted 
                                 monthly values    
07 May   -20    Normal-fair      Depressed 15%/near predicted 
                                 monthly values   

COMMENT: MUFs were generally near predicted monthly values for 
most AUS/NZ regions over the last 24 hours. Periods of minor 
MUF depressions observed in Equatorial and Northern AUS regions 
and enhancements for Equatorial and Southern AUS/NZ regions. 
Similar HF conditions expected over the AUS/NZ region for the 
next 24 hours. Possible enhancements ahead of notable MUF depressions 
for Northern AUS to Southern AUS/NZ regions and disturbed ionospheric 
support for Antarctic regions due to increased geomagnetic activity 
on 06May. MUF depressions expected to continue into 07May.

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