[ips-dhfpr-euro] IPS Daily European HF Report 23 11 01
Regional Warning Centre
Sat, 24 Nov 2001 17:50:10 +1100 (EST)
SUBJ: IPS DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 24/0630Z NOV 2001 BY IPS RADIO AND SPACE 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 23 11 01
Flares Max Fadeout Freq. Sectors
X1.0 22/2332UT probable all West Pacific
ACE EPAM data indicates an energetic ion enhancement event beginning
23/1925UT, which can be a precursor to increased geomagnetic activity
over next 24-36 hours.
PCA Event : 10Mev Proton/PCA Event Began 23 11 2001 0010UT and is in
Observed T index: 113
Observed European Region MUFS:
Near predicted monthly values.
2. FORECAST FOR 24 11 2001
Forecast T index: 125
Forecast European Region MUFS:
Initially today: Enhanced by 15%.
Rest of day: Depressed 15%
COMMENT:Strongly degraded HF conditions expected due to geomagnetic
activity. The geomagnetic field was disturbed during the first 6
hours of the forecast day.
A weak (35nT) impulse was observed in the IPS magnetomter data at
0501UT on 24 Nov, and a strong (102nT) impulse was observed at 0556UT
on 24 Nov.
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