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Radio Propagation

Solar-terrestrial indices

Indices from the U.S. NOAA Space Weather Prediction Center in Boulder Colorado, updated every three hours and published here in real time:

Solar-terrestrial indices for 28 September follow. Solar flux 135 and estimated planetary A-index 5. The estimated planetary K-index at 0900 UTC on 29 September was 3. 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.

What does this mean for AM DXers?

Web resources

Current situation:
  Space weather (SWPC)
  Space weather dashboard (SWPC)
  DST Index
(Kyoto) (see also DST FAQ by AER)
  DCX index (Oulu University)
  K index
(SWPC)
  K index Norway (Tromsø)
  K index Germany (GFZ)
  K index Japan (NICT)
  K index Australia (BOM)
  Solar activity data (Solen.info)
  Space weather (spaceweather.com)
  Space weather (solarham.net)
  Space weather Finland (FMI)
  Space weather Canada (NRCan)
  GOES proton flux (SWPC)

Forecasts:
  3-day forecast (SWPC)
  27-day forecast (SWPC)
  45-day forecast (USAF)
  Aurora forecast for Europe (Tony)
  Aurora forecast for North America (Tony)

Long-term data (solar cycle history):
  Solar cycle progression (SWPC)
  Solar cycle sunspots (SIDC)

Forecast: A-Index & flux

45-DAY AP FORECAST 29Sep22 008 30Sep22 020 01Oct22 060 02Oct22 040 03Oct22 020 04Oct22 018 05Oct22 016 06Oct22 010 07Oct22 008 08Oct22 008 09Oct22 008 10Oct22 008 11Oct22 008 12Oct22 008 13Oct22 008 14Oct22 008 15Oct22 010 16Oct22 010 17Oct22 008 18Oct22 008 19Oct22 008 20Oct22 012 21Oct22 012 22Oct22 008 23Oct22 008 24Oct22 010 25Oct22 010 26Oct22 008 27Oct22 008 28Oct22 025 29Oct22 050 30Oct22 030 31Oct22 020 01Nov22 012 02Nov22 010 03Nov22 008 04Nov22 008 05Nov22 008 06Nov22 008 07Nov22 008 08Nov22 008 09Nov22 008 10Nov22 008 11Nov22 010 12Nov22 010 45-DAY F10.7 CM FLUX FORECAST 29Sep22 135 30Sep22 130 01Oct22 130 02Oct22 125 03Oct22 125 04Oct22 120 05Oct22 120 06Oct22 132 07Oct22 132 08Oct22 135 09Oct22 130 10Oct22 128 11Oct22 132 12Oct22 136 13Oct22 136 14Oct22 138 15Oct22 140 16Oct22 138 17Oct22 135 18Oct22 132 19Oct22 130 20Oct22 128 21Oct22 125 22Oct22 130 23Oct22 140 24Oct22 142 25Oct22 145 26Oct22 140 27Oct22 135 28Oct22 130 29Oct22 125 30Oct22 128 31Oct22 130 01Nov22 132 02Nov22 132 03Nov22 132 04Nov22 135 05Nov22 130 06Nov22 128 07Nov22 132 08Nov22 136 09Nov22 136 10Nov22 138 11Nov22 140 12Nov22 138 FORECASTER: CIOPASIU / HOUSSEAL 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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