[Ips-dhfpr] IPS Daily HF Prop Report - 09 March 11

[Regional Warning Centre]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 09/2330Z MARCH 2011 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (09 MARCH) 
Date   T index  Conditions    
09 Mar    71    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M1.7    1108UT  possible   lower  European
  M1.7    1403UT  possible   lower  South American/
                                    Atlantic
  X1.6    2323UT  probable   all    West Pacific

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day,
      Near predicted monthly values during local night.
   Niue Island Region:
      Enhanced by 35% during local day,
      Near predicted monthly values during local night.
   Northern Australian Region:
      Near predicted monthly values during local day,
      Enhanced by 40% during local night.
   Southern Australian and New Zealand Region:
      Near predicted monthly values during local day,
      Enhanced by 20% during local night.
      Enhanced by 20% after local dawn.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values to significantly
      degraded at times due to absorption.
      Proton event in progress, increased absorption observed.

PCA Event : 10Mev Proton/PCA Event Began 08 03 2011 0115UT and is in progress

Predicted Monthly T index for March:  40
2. FORECAST (10 MARCH - 12 MARCH)
Date   T index  Conditions       MUFs                              
10 Mar    50    Fair             Near predicted monthly values 
                                 to enhanced with possible 5-15% 
                                 depressions later in the UT 
                                 day. 
11 Mar    40    Normal           depressed 5 to 15%/near predicted 
                                 monthly values     
12 Mar    50    Normal           Near predicted monthly values 
                                 to enhanced.    
COMMENT: Significantly degraded conditions were observed at high 
latitudes during 9 March due to a Polar Cap Absorption event. 
Mostly normal to good conditions should be observed for 10 March. 
Some slightly degraded conditions may be observed during the 
latter half of the UT day of 10 March in response to anticipated 
moderately increased geomagnetic activity. SWFs possible for 
10 March. 
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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
PO Box 1386                         WWW: http://www.ips.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp.ips.gov.au 
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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