[ips-dhfpr-euro] SWS Daily European HF Report 07 09 17 issued 0650 UT on 08 Sep 2017 [SEC=UNCLASSIFIED]

Regional Warning Centre rwc at ips.gov.au
Fri Sep 8 16:50:11 EST 2017


SUBJ: SWS DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 08/0630Z SEP 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 07 09 17
Flares    Max     Fadeout    Freq.  Sectors
  M1.2 06/2339UT  possible   lower  West Pacific
  M2.4    0502UT  possible   lower  E. Asia/Aust.
  M1.5    0954UT  possible   lower  Mid East/Indian
  M7.3    1015UT  probable   lower  European
  X1.4    1436UT  probable   all    South American/
                                    Atlantic
A strong shock was observed in the solar wind at 2230UT on 07 Sep.

PCA Event : 10MeV Proton/PCA Event Began 05 09 2017 0020UT and is in
progress

Observed T index:    42

Observed European Region MUFS:
Enhanced by 25% during local day. Enhanced by 15% during local night.
Enhanced by 25% after local dawn.

2. FORECAST FOR 08 09 2017

Forecast T index:  -15
Forecast European Region MUFS:
Initially today: Near predicted monthly values.
Rest of day: Depressed 20 to 25%
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:    18
SWS monthly forcast T index for SEP 2017:   5

A weak (13nT) impulse was observed in the SWS magnetometer data at
0537UT on 08 Sep.

Space Weather Services              email: asfc at bom.gov.au
Bureau of Meteorology
PO Box 1386                         WWW: http://www.sws.bom.gov.au
Haymarket NSW 1240  AUSTRALIA       FTP: ftp://ftp-out.sws.bom.gov.au
tel: +61 2 9213 8010                fax: +61 2 9213 8060 

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