[ips-dhfpr-euro] ASWFC Daily European HF Report 31 05 25 issued 0650 UT on 01 Jun 2025 [SEC=OFFICIAL]

[Australian Space Weather Forecasting Centre]

SUBJ: ASWFC DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 01/0630Z JUN 2025 
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 31 05 25
Flares    Max     Fadeout    Freq.  Sectors
  M8.2    0005UT  probable   lower  West Pacific
  M2.4    0518UT  possible   lower  E. Asia/Aust.
  M4.5    0818UT  possible   lower  Mid East/Indian
  M2.9    1549UT  possible   lower  South American/
                                    Atlantic


PCA Event : 10MeV (S2) Proton/PCA Event Began 01 06 2025 0525UT and
is in progress

Observed T index:    41

Observed European Region MUFS:
Depressed by 15% during local day. Depressed by 15% during local
night. Depressed by 20% after local dawn.

2. FORECAST FOR 01 06 2025

Forecast T index:   45
Forecast European Region MUFS:
Initially today: Depressed by 20%.
Rest of day: Depressed 20-30%
COMMENT:Strongly degraded HF conditions expected due to geomagnetic
activity. The geomagnetic field was disturbed during the first 6
hours of the forecast day.

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

Average European T index over last 7 days:    96
ASWFC monthly forcast T index for JUN 2025: 111

A weak (41nT) impulse was observed in the SWS magnetometer data at
0543UT on 01 Jun.

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