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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 13 August follow. Solar flux 124 and estimated planetary A-index 10. The estimated planetary K-index at 1800 UTC on 14 August was 1. 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 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 14Aug22 005 15Aug22 005 16Aug22 005 17Aug22 020 18Aug22 015 19Aug22 012 20Aug22 010 21Aug22 008 22Aug22 005 23Aug22 005 24Aug22 005 25Aug22 005 26Aug22 005 27Aug22 012 28Aug22 008 29Aug22 008 30Aug22 008 31Aug22 005 01Sep22 005 02Sep22 005 03Sep22 014 04Sep22 018 05Sep22 014 06Sep22 010 07Sep22 008 08Sep22 005 09Sep22 005 10Sep22 005 11Sep22 005 12Sep22 005 13Sep22 022 14Sep22 015 15Sep22 015 16Sep22 008 17Sep22 005 18Sep22 005 19Sep22 005 20Sep22 005 21Sep22 005 22Sep22 005 23Sep22 012 24Sep22 008 25Sep22 008 26Sep22 008 27Sep22 005 45-DAY F10.7 CM FLUX FORECAST 14Aug22 122 15Aug22 122 16Aug22 121 17Aug22 118 18Aug22 115 19Aug22 112 20Aug22 112 21Aug22 104 22Aug22 098 23Aug22 100 24Aug22 102 25Aug22 100 26Aug22 102 27Aug22 100 28Aug22 102 29Aug22 102 30Aug22 102 31Aug22 108 01Sep22 114 02Sep22 116 03Sep22 116 04Sep22 116 05Sep22 112 06Sep22 112 07Sep22 112 08Sep22 110 09Sep22 110 10Sep22 108 11Sep22 108 12Sep22 108 13Sep22 106 14Sep22 104 15Sep22 104 16Sep22 104 17Sep22 102 18Sep22 098 19Sep22 100 20Sep22 102 21Sep22 100 22Sep22 102 23Sep22 100 24Sep22 102 25Sep22 102 26Sep22 102 27Sep22 108 FORECASTER: CIOPASIU / EASTERLIN 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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