[Ips-dhfpr] IPS Daily HF Prop Report - 20 February 14 issued 2353 UT on 20 Feb 2014

rwc rwc at ips.gov.au
Fri Feb 21 10:53:08 EST 2014


SUBJ: IPS DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/20 FEBRUARY 2014 BY IPS RADIO AND SPACE SERVICES
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (20 FEBRUARY) 
Date   T index  Conditions    
20 Feb    83    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M3.0    0802UT  possible   lower  Mid East/Indian

MUFs:
   Cocos Island Region:
      No data available 
   Niue Island Region:
      No data available 
   Northern Australian Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Southern Australian and New Zealand Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Scott Base/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : 10MeV Proton/PCA Event Began at 0840UT 20/02, Ended at 1005UT 20/02
 and, 10MeV Proton/PCA Event Began at 1040UT 20/02, Ended at 1110UT 20/02
 and, 10MeV Proton/PCA Event Began 21 02 2014 0015UT and is in progress

Monthly T index:
Month  T index
Jan      119
Feb      75
Mar      75


2. FORECAST (21 FEBRUARY - 23 FEBRUARY)
Date   T index  Conditions       MUFs                              
21 Feb    95    Normal-fair      Near to 15% above predicted 
                                 monthly values
22 Feb    90    Normal           Near predicted monthly values    
23 Feb   100    Normal           Near to 15% above predicted 
                                 monthly values   

COMMENT: Enhanced HF conditions observed for Northern AUS regions 
during local day and night. Depressed MUF's observed for Southern 
AUS/NZ regions during local night as well as occasional disturbed 
periods during local day. Disturbed ionospheric conditions for 
Antarctic regions due to geomagnetic storm activity. MUF's are 
expected to range from near monthly predicted values to enhanced 
by ~15% for Northern AUS regions over the next 24 hours. Depressed 
MUF's to near monthly predicted values expected for Southern 
AUS/NZ regions for the next 48hours hours and continued disturbed 
conditions for Antarctic regions. Mostly normal ionospheric support 
expected for 23Feb for Southern AUS/NZ and Northern AUS/Equatorial 
regions. Further short-wave fadeouts are possible.

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