Propagation

This webpage updated 2017 February 22nd, 12:29 UTC

Propagation items and news:

Geophysical Alert Message wwv.txt

Issued 2017 Feb 22 1200 UTC

Solar-terrestrial indices for 21st February follow.

Solar flux 83 and estimated planetary A-index 4.

The estimated planetary K-index at 1200 UTC on 22 February was 2.

No space weather storms were observed for the past 24 hours.

Space weather for the next 24 hours is predicted to be minor.

Geomagnetic storms reaching the G1 level are likely.

Data courtesy of the Space Weather Prediction Centre

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Solar Region Summary (Sunspots visible on the solar disc)

Issued 2017 Feb 22 0030 UTC

Regions with Sunspots.  Locations Valid at Feb 21/2400Z

Region Nmbr.......Location......Area........Mag Type

xxxx.................xxxxxx.......xxxx........xxxxx

2638.................N18E49.......0140........Beta

 

xxxx.................xxxxxx.......xxxx........xxxxx

xxxx.................xxxxxx.......xxxx........xxxxx

 

Data courtesy of the Space Weather Prediction Centre

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StratWarm:

Stratospheric warming - possibly has an effect on HF propagatiion.

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Feedback please to chairman at smrcc.org.uk