[Ips-dhfpr] IPS Daily HF Prop Report - 20 May 16 issued 2330 UT on 20 May 2016 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 MAY 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 MAY) 
Date   T index  Conditions    
20 May    28    Mildly depressed         

Flares: B class flares

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Depressed by 15% during local day.
      Depressed by 30% during local night.
   Northern Australian Region:
      Enhanced by 20% during local day.
      Depressed by 30% during local night.
   Southern Australian Region:
      Depressed by 15% during local day.
      Depressed by 20% 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
Apr      30
May      47
Jun      46


2. FORECAST (21 MAY - 23 MAY)
Date   T index  Conditions         MUFs                              
21 May    30    Mildly depressed   10 to 25% below predicted monthly 
                                   values
22 May    35    Mildly depressed   5 to 20% below predicted monthly 
                                   values    
23 May    40    Normal             Near predicted monthly values   

COMMENT: Conditions for HF radio wave propagation were mildly 
depressed throughout the Australian region during 20 May UT. 
Strong spread F conditions occurred at Hobart and Darwin last 
night AEST. Conditions are expected to remain mildly depressed 
during the next 2 days.

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