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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 30 January follow. Solar flux 136 and estimated planetary A-index 5. The estimated planetary K-index at 1800 UTC on 31 January 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 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 31Jan23 005 01Feb23 005 02Feb23 012 03Feb23 012 04Feb23 008 05Feb23 005 06Feb23 005 07Feb23 012 08Feb23 012 09Feb23 015 10Feb23 012 11Feb23 005 12Feb23 008 13Feb23 008 14Feb23 005 15Feb23 005 16Feb23 005 17Feb23 005 18Feb23 008 19Feb23 007 20Feb23 005 21Feb23 005 22Feb23 010 23Feb23 010 24Feb23 010 25Feb23 005 26Feb23 005 27Feb23 005 28Feb23 015 01Mar23 010 02Mar23 008 03Mar23 005 04Mar23 005 05Mar23 005 06Mar23 015 07Mar23 015 08Mar23 015 09Mar23 012 10Mar23 008 11Mar23 007 12Mar23 005 13Mar23 005 14Mar23 005 15Mar23 005 16Mar23 005 45-DAY F10.7 CM FLUX FORECAST 31Jan23 135 01Feb23 135 02Feb23 140 03Feb23 140 04Feb23 145 05Feb23 145 06Feb23 145 07Feb23 145 08Feb23 150 09Feb23 150 10Feb23 155 11Feb23 155 12Feb23 155 13Feb23 155 14Feb23 150 15Feb23 150 16Feb23 150 17Feb23 145 18Feb23 140 19Feb23 140 20Feb23 135 21Feb23 130 22Feb23 130 23Feb23 130 24Feb23 125 25Feb23 125 26Feb23 140 27Feb23 140 28Feb23 135 01Mar23 135 02Mar23 135 03Mar23 135 04Mar23 135 05Mar23 140 06Mar23 145 07Mar23 150 08Mar23 150 09Mar23 155 10Mar23 155 11Mar23 155 12Mar23 155 13Mar23 150 14Mar23 150 15Mar23 145 16Mar23 145 FORECASTER: TROST / ALTMAN 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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