[ips-dhfpr-euro] ASWFC Daily European HF Report 24 09 23 issued 0650 UT on 25 Sep 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 25/0630Z SEP 2023 
FROM THE AUSTRALIAN SPACE WEATHER FORECASTING CENTRE
EUROPEAN REGION SUMMARY AND FORECAST
MUF SUMMARY/FORECAST INFORMATION IN THIS REPORT IS AUTOMATICALLY
GENERATED FROM REGIONAL IONOSPHERIC DATA

1. SUMMARY FOR 24 09 23
Flares    Max     Fadeout    Freq.  Sectors
  M1.2    0307UT  possible   lower  E. Asia/Aust.
  M1.9    0314UT  possible   lower  E. Asia/Aust.
  M4.4    0328UT  possible   lower  E. Asia/Aust.
  M1.0    1500UT  possible   lower  South American/
                                    Atlantic
A strong shock was observed in the solar wind at 1954UT on 24 Sep.
A weak (26nT) impulse was observed in the SWS magnetometer data at
2041UT on 24 Sep.
PCA Event : No event.

Observed T index:   112

Observed European Region MUFS:
Near predicted monthly values.

2. FORECAST FOR 25 09 2023

Forecast T index:   60
Forecast European Region MUFS:
Initially today: Near predicted monthly values.
Rest of day: becoming depressed 15 to 20% later in UT day
COMMENT:Degraded HF conditions expected due to geomagnetic activity.

3. 7 DAY AVERAGE T INDEX AND FORECAST MONTHLY T INDEX

Average European T index over last 7 days:   102
ASWFC monthly forcast T index for SEP 2023:  96



Australian Space Weather Forecasting Centre
Bureau of Meteorology
ASWFC at bom.gov.au
www.bom.gov.au | www.sws.bom.gov.au