[Ips-dhfpr] ASWFC Daily HF Prop Report - 14 March 25 issued 2330 UT on 14 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/14 MARCH 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (14 MARCH) 
Date   T index  Conditions    
14 Mar   109    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.1    2221UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values during local day.
      Depressed by 25% during local night.
   Niue Island Region:
      Enhanced by 15% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Mostly near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Depressed by 30% over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Feb      127
Mar      117
Apr      114


2. FORECAST (15 MARCH - 17 MARCH)
Date   T index  Conditions       MUFs                              
15 Mar   100    Normal           Near predicted monthly values 
                                 to 15% depressed
16 Mar   100    Normal           Near predicted monthly values    
17 Mar   100    Normal           Near predicted monthly values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region on UT day 14-Mar were mostly near predicted values to 
15% enhanced. Spread-F was observed in Hobart during local night 
hours. MUFs are expected to be near predicted values to 15% depressed 
on 15-Mar. Conditions may begin to recover and spread-F may clear 
over 16-17 Mar.

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

Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au