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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 20 November follow. Solar flux 163 and estimated planetary A-index 8. The estimated planetary K-index at 0600 UTC on 21 November was 1.33. Space weather for the past 24 hours has been minor. Radio blackouts reaching the R1 level occurred. 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 21Nov24 005 22Nov24 008 23Nov24 008 24Nov24 008 25Nov24 008 26Nov24 005 27Nov24 005 28Nov24 005 29Nov24 005 30Nov24 010 01Dec24 012 02Dec24 009 03Dec24 008 04Dec24 007 05Dec24 005 06Dec24 012 07Dec24 012 08Dec24 010 09Dec24 005 10Dec24 005 11Dec24 010 12Dec24 015 13Dec24 010 14Dec24 008 15Dec24 008 16Dec24 005 17Dec24 012 18Dec24 005 19Dec24 005 20Dec24 005 21Dec24 005 22Dec24 010 23Dec24 010 24Dec24 008 25Dec24 005 26Dec24 005 27Dec24 010 28Dec24 012 29Dec24 009 30Dec24 008 31Dec24 007 01Jan25 005 02Jan25 012 03Jan25 012 04Jan25 010 45-DAY F10.7 CM FLUX FORECAST 21Nov24 160 22Nov24 160 23Nov24 165 24Nov24 160 25Nov24 160 26Nov24 160 27Nov24 165 28Nov24 255 29Nov24 250 30Nov24 250 01Dec24 240 02Dec24 230 03Dec24 220 04Dec24 210 05Dec24 205 06Dec24 205 07Dec24 200 08Dec24 180 09Dec24 170 10Dec24 150 11Dec24 145 12Dec24 145 13Dec24 140 14Dec24 145 15Dec24 230 16Dec24 235 17Dec24 235 18Dec24 240 19Dec24 240 20Dec24 240 21Dec24 245 22Dec24 245 23Dec24 240 24Dec24 245 25Dec24 255 26Dec24 250 27Dec24 250 28Dec24 240 29Dec24 230 30Dec24 220 31Dec24 210 01Jan25 205 02Jan25 205 03Jan25 200 04Jan25 180 FORECASTER: Gates / Housseal 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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