[Ips-dhfpr] SWS Daily HF Prop Report - 11 July 16 issued 0035 UT on 12 Jul 2016 [SEC=UNCLASSIFIED]

rwc rwc at ips.gov.au
Tue Jul 12 10:35:24 EST 2016


SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/11 JULY 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 JULY) 
Date   T index  Conditions    
11 Jul    24    Mildly depressed         

Flares: B class flare

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 30% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Depressed by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Jun      31
Jul      42
Aug      40


2. FORECAST (12 JULY - 14 JULY)
Date   T index  Conditions       MUFs                              
12 Jul    30    Normal           Mildly depressed
13 Jul    30    Normal           Mildly depressed    
14 Jul    35    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 32 was issued on 9 July 
and is current for 10-12 Jul UT. Conditions for HF radio wave propagation 
were mildly depressed throughout the Australian region during 
11 July. The preliminary daily T index for Niue and Norfolk Island 
was only 20. There were strong spread F conditions at Darwin 
last night. An ionospheric trough occurred above Hobart early 
this morning. MUFs are expected to be depressed by about 10%-30% 
throughout the Australian region today.

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