[Ips-dhfpr] ASWFC Daily HF Prop Report - 23 February 25 issued 2330 UT on 23 Feb 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/23 FEBRUARY 2025
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (23 FEBRUARY) 
Date   T index  Conditions    
23 Feb   143    Normal         

Flares    Max     Fadeout    Freq.  Sectors
  M4.9    0213UT  possible   lower  E. Asia/Aust.
  M1.0    0956UT  possible   lower  Mid East/Indian
  M1.6    1158UT  possible   lower  European
  M1.0    1635UT  possible   lower  South American/
                                    Atlantic
  X2.0    1927UT  probable   all    East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 40% during local night.
   Niue Island Region:
      Near predicted monthly values.
   Northern Australian Region:
      Near predicted monthly values.
   Southern Australian Region:
      Mostly near predicted monthly values.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

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


2. FORECAST (24 FEBRUARY - 26 FEBRUARY)
Date   T index  Conditions       MUFs                              
24 Feb   150    Normal           Near to 15% above predicted 
                                 monthly values
25 Feb   150    Normal           Near to 15% above predicted 
                                 monthly values    
26 Feb   150    Normal-fair      Near to 15% above predicted 
                                 monthly values   

COMMENT: ASWFC SWF HF Communications Warning 24 was issued on 
22 February and is current for 22-24 Feb. Maximum usable frequencies 
(MUFs) on UT day 23-Feb in the Australian region were near predicted 
monthly values. Sporadic E was observed at Townsville during 
local day. MUFs are expected to be near predicted monthly values 
to 15% enhanced over 24-26 Feb. Minor 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