[Ips-dhfpr] SWS Daily HF Prop Report - 05 April 19 issued 2349 UT on 05 Apr 2019 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/05 APRIL 2019 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (05 APRIL) 
Date   T index  Conditions    
05 Apr    -8    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      No data available.
   Northern Australian Region:
      Depressed by 20% during local day.
      Enhanced by 20% during local night.
      Enhanced by 25% after local dawn.
   Southern Australian Region:
      Depressed by 30% during local day.
      Near predicted monthly values during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Depressed by 15% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      -7
Apr      -12
May      -12


2. FORECAST (06 APRIL - 08 APRIL)
Date   T index  Conditions       MUFs                              
06 Apr   -10    Normal-fair      Near predicted monthly values
07 Apr   -15    Normal-fair      Near predicted monthly values    
08 Apr   -10    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 4 was issued on 5 April 
and is current for 5-6 Apr. Variable HF conditions were observed 
for 05Apr with slightly enhanced conditions for Equatorial and 
regions during local day and minor depressions were observed 
for Northern Australian and Southern AUS/NZ regions during local 
day. Disturbed ionospheric support for Antarctic regions. Similar 
conditions are expected for the next 3 UT days with the chance 
of notable MUF depressions for Northern AUS and Southern AUS/NZ 
regions due to elevated geomagnetic activity.

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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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