[Ips-dhfpr] IPS Daily HF Prop Report - 13 April 16 issued 2330 UT on 13 Apr 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/13 APRIL 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (13 APRIL) 
Date   T index  Conditions    
13 Apr    42    Normal-fair    

Flares: none.

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   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 25% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      50
Apr      50
May      49


2. FORECAST (14 APRIL - 16 APRIL)
Date   T index  Conditions       MUFs                              
14 Apr    30    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 30%
15 Apr    35    Normal           Near predicted monthly values/depressed 
                                 15 to 20%    
16 Apr    45    Normal           Near predicted monthly values   

COMMENT: IPS HF Communications Warning 18 was issued on 11 April 
and is current for 12-14 Apr. Some significant periods of depressed 
MUFs were observed across Australia and equatorial regions on 
13-Apr. Sporadic-E was observed in Brisbane around 12 UT, Darwin 
20-21 UT and Cocos Island around 21 UT. Spread-F was observed 
in Hobart 12-20 UT. MUF depressions are likely to persist on 
14-15 Apr.

----------------------------------------------------------
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
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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