[Ips-dhfpr] IPS Daily HF Prop Report - 11 March 08

[rwc]

SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 11/2330Z MARCH 2008 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     1    Fair-normal    

Flares: none.

MUFs:
   Equatorial PNG/Niue Region:
      Near predicted monthly values during local day,
      Depressed by 20% during local night.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian and New Zealand Region:
      Near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Predicted Monthly T index for March:   6
2. FORECAST (12 MARCH - 14 MARCH)
Date   T index  Conditions       MUFs                              
12 Mar     0    Normal           about 5% below predicted monthly 
                                 values 
13 Mar     5    Normal           near predicted monthly values     
14 Mar     5    Normal           near predicted monthly values    
COMMENT: MUFs have recovered faster than expected at mid-latitudes 
and were only slightly depressed over the UT day. The ionosphere 
is possibly recovering faster than expected, from depressions 
caused by geomagnetic activity from the coronal hole high-speed 
solar-wind stream, due to ionising radiation from AR985. However 
large enhancements and depressions continued at equatorial latitudes. 
Possible isolated but less deep MUF depressions 12 March if geomagnetic 
events occur but otherwise returning to mostly normal HF conditions. 
----------------------------------------------------------
For an explanation of some of the terms in this report, goto
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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