[Ips-dhfpr] IPS Daily HF Prop Report - 11 March 12 issued 2350 UT on 11 Mar 2012

rwc rwc at ips.gov.au
Mon Mar 12 10:50:08 EST 2012


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z MARCH 2012 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (11 MARCH) 
Date   T index  Conditions    
11 Mar    77    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 40-60% 08-22UT.
   Niue Island Region:
      Enhanced by 25% during local day.
      Depressed by 20% during local night
      and after local dawn.
   Northern Australian Region:
      Darwin enhanced 40-60% 06-18UT.
      Townsville depressed 20% 09-15UT.
      Learmonth depressed 20-40% 01-06UT, 13-20UT,
      enhanced 30% 09-10UT.
      Other stations depressed by 15% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day.
      Depressed by 20% during local night.
      Depressed by 20% after local dawn.
      Periods of strong sporadic-E around local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Ionospheric support intermittent.
      Proton event in progress, increased absorption 
      to -2dB observed.

PCA Event : 10Mev Proton/PCA Event Began 07 03 2012 0530UT and is in progress

Predicted Monthly T index for March:  81


2. FORECAST (12 MARCH - 14 MARCH)
Date   T index  Conditions       MUFs                              
12 Mar    70    Normal           Near predicted monthly values 
13 Mar    50    Fair             Near predicted monthly values. 
                                 Depressions to 20% possible 
                                 at times.     
14 Mar    60    Normal           Near predicted monthly values. 
                                 Depressions to 20% possible 
                                 at times.    

COMMENT: Highly variable conditions observed Equatorial/N Aus 
regions with strong enhancements at times. Ongoing disturbances 
S Aus/NZ/Antarctic regions. Expect further ionospheric disturbance 
days one to three affecting higher latitudes. SWF's possible 
local day mainly Equatorial/Aus regions. Disturbances possibly 
extending at times to S Aus region. 

----------------------------------------------------------
For an explanation of some of the terms in this report, go to
http://www.ips.gov.au, and follow links to Educational->
Glossary on Solar Terrestrial Terms.

IPS Radio and Space Services        email: asfc at ips.gov.au
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Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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