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

[Regional Warning Centre]

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

1. SUMMARY (26 MARCH) 
Date   T index  Conditions    
26 Mar   116    Normal-fair    

Flares    Max     Fadeout    Freq.  Sectors
  M1.8    0036UT  possible   lower  West Pacific
  M1.0    1017UT  possible   lower  European
  M1.3    1043UT  possible   lower  European
  M1.9    1330UT  possible   lower  European
  M1.6    2158UT  possible   lower  East Pacific/
                                    North American

MUFs:
   Cocos Island Region:
      Near predicted monthly values.
   Niue Island Region:
      Enhanced by 20% during local day.
      Near predicted monthly values during local night.
   Northern Australian Region:
      Enhanced by 15% during local day.
      Enhanced by 15% during local night.
   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 0805UT 23/03, Ended at 1405UT 25/03

Monthly T index:
Month  T index
Feb      138
Mar      111
Apr      112


2. FORECAST (27 MARCH - 29 MARCH)
Date   T index  Conditions       MUFs                              
27 Mar   120    Normal           Near predicted monthly values
28 Mar   120    Normal           Near predicted monthly values    
29 Mar   120    Normal           Near predicted monthly values   

COMMENT: ASWFC SWF HF Communications Warning 33 was issued on 
26 March and is current for 27-29 Mar. Maximum usable frequencies 
(MUFs) on UT day 26-Mar were near predicted monthly values in 
the southern Australian region, and enhanced by up to 15% in 
the northern Australian region. Sporadic E was observed at Brisbane 
and Canberra and spread F was observed at Perth and Hobart during 
local night. MUFs are expected to be near predicted monthly values 
over 27-29 Mar. Shortwave fadeouts are probable.

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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