[Ips-dhfpr] SWS Daily HF Prop Report - 09 December 16 issued 2339 UT on 09 Dec 2016 [SEC=UNCLASSIFIED]

[rwc]

SUBJ: SWS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/09 DECEMBER 2016 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 DECEMBER) 
Date   T index  Conditions    
09 Dec     5    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Depressed by 40% during local day.
      Depressed by 15% during local night.
      Depressed by 25% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 40% during local night with periods of sporadic-E.
      Periods of equatorial spread-F local day.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Depressed by 15% during local night.
      Periods of equatorial spread-F. 
   Southern Australian Region:
      Depressed by 15% during local day.
      Near predicted monthly values during local night.
      Periods of strong sporadic-E after local dawn E Australian area
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Mostly near predicted monthly values over the UT day.
      Periods of disturbance due to elevated geomagnetic activity. 

PCA Event : No event.

Monthly T index:
Month  T index
Nov      3
Dec      24
Jan      23


2. FORECAST (10 DECEMBER - 12 DECEMBER)
Date   T index  Conditions       MUFs                              
10 Dec     0    Normal-fair      Depressed 15%/near predicted 
                                 monthly values
11 Dec     0    Normal           Depressed 15%/near predicted 
                                 monthly values    
12 Dec    10    Normal           Near predicted monthly values   

COMMENT: SWS HF Communications Warning 65 was issued on 7 December 
and is current for 8-11 Dec. Variable ionospheric conditions 
Equatorial/N Aus regions with moderate localised enhancements/depressions. 
Periods of strong sporadic-E conditions observed at times S Aus 
region mainly in the East after local dawn today. Generally moderately 
depressed conditions observed S Aus to Antarctic regions. Expect 
periods of disturbance S Aus/NZ/Antarctic regions next 2 days 
due to elevated geomagnetic activity.

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