[ips-dhfpr-euro] ASWFC Daily European HF Report 12 09 23 issued 0650 UT on 13 Sep 2023 [SEC=OFFICIAL]

[Regional Warning Centre]

SUBJ: ASWFC DAILY EUROPEAN HF PROPAGATION REPORT
ISSUED AT 13/0630Z SEP 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 12 09 23
Flares    Max     Fadeout    Freq.  Sectors
  M1.7    0425UT  possible   lower  E. Asia/Aust.
  M1.7    0429UT  possible   lower  E. Asia/Aust.
  M2.5    0707UT  possible   lower  Mid East/Indian
A possible weak shock was observed in the solar wind at 1125UT on 12
Sep.
A weak (12nT) impulse was observed in the SWS magnetometer data at
1120UT on 12 Sep, and a weak (18nT) impulse was observed at 1217UT on
12 Sep.
PCA Event : No event.

Observed T index:   154

Observed European Region MUFS:
Enhanced by 15% during local day. Enhanced by 20% during local night.
Enhanced by 30% after local dawn.

2. FORECAST FOR 13 09 2023

Forecast T index:   90
Forecast European Region MUFS:
Initially today: Near predicted monthly values.
Rest of day: Depressed 15-20%
COMMENT: MUF depressions may be experienced following yesterdays
geomagnetic activity.

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

Average European T index over last 7 days:   127
ASWFC monthly forcast T index for SEP 2023:  96



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