[ips-dhfpr-euro] SWS Daily European HF Report 27 05 17 issued 0650 UT on 28 May 2017 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

SUBJ: SWS DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 28/0630Z MAY 2017 BY Space Weather Services
FROM THE AUSTRALIAN SPACE FORECAST CENTRE
EUROPEAN REGION SUMMARY AND FORECAST
MUF SUMMARY/FORECAST INFORMATION IN THIS REPORT IS AUTOMATICALLY
GENERATED FROM REGIONAL IONOSPHERIC DATA

1. SUMMARY FOR 27 05 17
Flares: none.
A possible weak shock was observed in the solar wind at 1447UT on 27
May.

PCA Event : No event.

Observed T index:     8

Observed European Region MUFS:
Near predicted monthly values.

2. FORECAST FOR 28 05 2017

Forecast T index:  -15
Forecast European Region MUFS:
Initially today: Depressed by 25%.
Rest of day: Depressed 15%/near predicted monthly values
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:    -4
SWS monthly forcast T index for MAY 2017:  12



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