[Ips-dhfpr] SWS Daily HF Prop Report - 31 March 17 issued 2330 UT on 31 Mar 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/31 MARCH 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (31 MARCH) 
Date   T index  Conditions    
31 Mar    20    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40% during local day.
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
      Enhanced by 20% after local dawn.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Depressed by 15% 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
Feb      10
Mar      16
Apr      15


2. FORECAST (01 APRIL - 03 APRIL)
Date   T index  Conditions       MUFs                              
01 Apr    15    Normal-fair      Near predicted monthly values
02 Apr    15    Normal-fair      Near predicted monthly values    
03 Apr    20    Normal           Near predicted monthly values   

COMMENT: Conditions for HF radio wave propagation strengthened 
throughout the Australian region during 31 Mar UT. MUFs were 
mostly near predicted monthly values across Australia on 31 Mar 
with some minor depressions. Niue Island had enhanced MUFs during 
local day. Brief periods of sporadic-E and Spread F were observed 
at some locations. Conditions are expected to be near predicted 
monthly values during the next three days. Minor MUF depressions 
may persist over the next 24 hours. Periods of sporadic-E may 
be observed in some locations during the forecast period.

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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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