[Ips-dhfpr] ASWFC Daily HF Prop Report - 01 March 25 issued 2330 UT on 01 Mar 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/01 MARCH 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (01 MARCH) 
Date   T index  Conditions    
01 Mar   103    Fair           

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 20% during local night.
      Enhanced by 30% after local dawn.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Northern Australian Region:
      Depressed by 15% during local day.
      Depressed by 15% during local night.
   Southern Australian Region:
      Depressed by 25% during local day.
      Near predicted monthly values during local night.
      Depressed by 20% after local dawn.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

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


2. FORECAST (02 MARCH - 04 MARCH)
Date   T index  Conditions       MUFs                              
02 Mar    80    Normal-fair      Near predicted monthly values/depressed 
                                 15 to 20%
03 Mar   110    Normal           Near predicted monthly values    
04 Mar   110    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 26 was issued on 
28 February and is current for 28 Feb to 2 Mar. ASWFC HF Communications 
Warning 27 was issued on 28 February and is current for 1-2 Mar. 
Maximum usable frequencies (MUFs) on UT day 01-Mar in the Australian 
region were generally depressed by 15-25%. Spread F was observed 
at Hobart. MUFs are expected to be near predicted monthly values 
to 15% depressed on 02-Mar, improving to near predicted monthly 
values over 03-04 Mar. Shortwave fadeouts are possible.

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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