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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 05 December follow. Solar flux 206 and estimated planetary A-index 13. The estimated planetary K-index at 0600 UTC on 06 December was 3.33. 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)
  DCX index (Oulu University)
  K index
(SWPC)
  K index Norway (Tromsø)
  K index Germany (GFZ)
  K index Australia (BOM)
  Solar activity data (Solen.info)
  Space weather (spaceweather.com)
  Space weather (solarham.net)
  Auroras and 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)
  Space weather forecast (Japan)

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

Forecast: A-Index & flux

45-DAY AP FORECAST 06Dec25 012 07Dec25 010 08Dec25 008 09Dec25 005 10Dec25 005 11Dec25 005 12Dec25 008 13Dec25 018 14Dec25 012 15Dec25 008 16Dec25 005 17Dec25 008 18Dec25 010 19Dec25 008 20Dec25 008 21Dec25 015 22Dec25 020 23Dec25 020 24Dec25 025 25Dec25 020 26Dec25 020 27Dec25 015 28Dec25 008 29Dec25 005 30Dec25 015 31Dec25 025 01Jan26 030 02Jan26 012 03Jan26 010 04Jan26 008 05Jan26 005 06Jan26 005 07Jan26 005 08Jan26 008 09Jan26 018 10Jan26 012 11Jan26 008 12Jan26 005 13Jan26 008 14Jan26 010 15Jan26 008 16Jan26 008 17Jan26 015 18Jan26 020 19Jan26 020 45-DAY F10.7 CM FLUX FORECAST 06Dec25 190 07Dec25 190 08Dec25 190 09Dec25 190 10Dec25 185 11Dec25 180 12Dec25 180 13Dec25 175 14Dec25 175 15Dec25 180 16Dec25 180 17Dec25 180 18Dec25 180 19Dec25 180 20Dec25 175 21Dec25 175 22Dec25 175 23Dec25 180 24Dec25 190 25Dec25 195 26Dec25 195 27Dec25 195 28Dec25 190 29Dec25 190 30Dec25 190 31Dec25 190 01Jan26 190 02Jan26 190 03Jan26 190 04Jan26 190 05Jan26 190 06Jan26 185 07Jan26 180 08Jan26 180 09Jan26 175 10Jan26 175 11Jan26 180 12Jan26 180 13Jan26 180 14Jan26 180 15Jan26 180 16Jan26 175 17Jan26 175 18Jan26 175 19Jan26 180 FORECASTER: AUTOMATED - SET4D SYSTEM 99999


Source: NOAA Space Weather
Prediction Center

 

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