[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 February 25 issued 2330 UT on 26 Feb 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 FEBRUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 FEBRUARY) 
Date   T index  Conditions    
26 Feb   124    Normal         

Flares: none.

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

PCA Event : 10MeV Proton/PCA Event Began at 0010UT 25/02, Ended at 0830UT 25/02

Monthly T index:
Month  T index
Jan      124
Feb      118
Mar      115


2. FORECAST (27 FEBRUARY - 01 MARCH)
Date   T index  Conditions       MUFs                              
27 Feb   130    Normal           Near predicted monthly values
28 Feb   120    Normal-fair      Near predicted monthly values    
01 Mar   110    Normal-fair      Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 25 was issued on 
25 February and is current for 25-27 Feb. Maximum usable frequencies 
(MUFs) on UT day 26-Feb in the Australian region were near predicted 
monthly values. MUFs are expected to be near predicted monthly 
values over 27-Feb to 01-Mar. Shortwave fadeouts are possible.

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