[Ips-dhfpr] ASWFC Daily HF Prop Report - 26 April 24 issued 2330 UT on 26 Apr 2024 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY HF PROPAGATION REPORT
ISSUED AT 2330UT/26 APRIL 2024
FROM THE AUSTRALIAN SPACE WEATHER FORECAST CENTRE
AUSTRALIAN REGION SUMMARY AND FORECAST

1. SUMMARY (26 APRIL) 
Date   T index  Conditions    
26 Apr   152    Normal         

Flares: none.

MUFs:
   Cocos Island Region:
      Enhanced by 20% during local day.
      Enhanced by 90% during local night.
   Niue Island Region:
      Near predicted monthly values during local day.
      Enhanced by 35% during local night.
   Northern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 15% during local night.
      Enhanced by 50% after local dawn.
   Southern Australian Region:
      Near predicted monthly values during local day.
      Enhanced by 20% during local night.
   Antarctic Region (Casey/Davis/Mawson):
      Near predicted monthly values over the UT day.

PCA Event : No event.

Monthly T index:
Month  T index
Mar      120
Apr      114
May      115


2. FORECAST (27 APRIL - 29 APRIL)
Date   T index  Conditions       MUFs                              
27 Apr   140    Normal           About 15% above predicted monthly 
                                 values
28 Apr   140    Normal           About 15% above predicted monthly 
                                 values    
29 Apr   140    Normal           About 15% above predicted monthly 
                                 values   

COMMENT: Maximum usable frequencies (MUFs) in the Australian 
region were near predicted monthly values to 50% enhanced on 
UT day 26-Apr. Strong enhancements were observed at Cocos Island 
during local night hours. Ionospheric scintillation was observed 
26/0731-1328UT at Niue and Weipa. Spread F was observed at Hobart 
and Niue during local night hours. MUFs are expected to be near 
predicted values over to 15% enhanced during the interval 27-29 
Apr.

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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