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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 19 September follow. Solar flux 71 and estimated planetary A-index 3. The estimated planetary K-index at 0600 UTC on 20 September was 0. No space weather storms were observed for the past 24 hours. No space weather storms are predicted for the next 24 hours.

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)
  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 20Sep20 005 21Sep20 005 22Sep20 005 23Sep20 008 24Sep20 012 25Sep20 015 26Sep20 010 27Sep20 025 28Sep20 015 29Sep20 010 30Sep20 005 01Oct20 005 02Oct20 005 03Oct20 005 04Oct20 005 05Oct20 005 06Oct20 005 07Oct20 005 08Oct20 005 09Oct20 005 10Oct20 005 11Oct20 005 12Oct20 005 13Oct20 005 14Oct20 005 15Oct20 008 16Oct20 008 17Oct20 005 18Oct20 005 19Oct20 005 20Oct20 008 21Oct20 010 22Oct20 015 23Oct20 010 24Oct20 025 25Oct20 015 26Oct20 010 27Oct20 005 28Oct20 005 29Oct20 005 30Oct20 005 31Oct20 005 01Nov20 005 02Nov20 005 03Nov20 005 45-DAY F10.7 CM FLUX FORECAST 20Sep20 071 21Sep20 070 22Sep20 070 23Sep20 070 24Sep20 070 25Sep20 070 26Sep20 070 27Sep20 070 28Sep20 070 29Sep20 070 30Sep20 070 01Oct20 070 02Oct20 070 03Oct20 070 04Oct20 070 05Oct20 070 06Oct20 070 07Oct20 070 08Oct20 070 09Oct20 070 10Oct20 070 11Oct20 070 12Oct20 070 13Oct20 070 14Oct20 070 15Oct20 070 16Oct20 070 17Oct20 070 18Oct20 070 19Oct20 070 20Oct20 070 21Oct20 070 22Oct20 070 23Oct20 070 24Oct20 070 25Oct20 070 26Oct20 070 27Oct20 070 28Oct20 070 29Oct20 070 30Oct20 070 31Oct20 070 01Nov20 070 02Nov20 070 03Nov20 070 FORECASTER: SALINAS / SADOVSKY 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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