[ips-dhfpr-euro] ASWFC Daily European HF Report 23 04 23 issued 0650 UT on 24 Apr 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 24/0630Z APR 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 23 04 23
Flares: none.
A strong shock was observed in the solar wind at 1700UT on 23 Apr,
and a possible weak shock was observed in the solar wind at 1824UT on
23 Apr.
A weak (30nT) impulse was observed in the SWS magnetometer data at
1736UT on 23 Apr.
PCA Event : Began at 1800UT 23/04, Ended at 1900UT 23/04
 

Observed T index:    94

Observed European Region MUFS:
Near predicted monthly values.

2. FORECAST FOR 24 04 2023

Forecast T index:   10
Forecast European Region MUFS:
Initially today: Depressed by 30%.
Rest of day: Depressed 30-40%
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:   106
ASWFC monthly forcast T index for APR 2023:  84



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