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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 25 January follow. Solar flux 101 and estimated planetary A-index 13. The estimated planetary K-index at 0900 UTC on 26 January was 3. 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 25Jan22 008 26Jan22 012 27Jan22 008 28Jan22 005 29Jan22 012 30Jan22 010 31Jan22 005 01Feb22 005 02Feb22 005 03Feb22 005 04Feb22 015 05Feb22 010 06Feb22 005 07Feb22 005 08Feb22 005 09Feb22 005 10Feb22 012 11Feb22 015 12Feb22 012 13Feb22 005 14Feb22 005 15Feb22 005 16Feb22 005 17Feb22 005 18Feb22 005 19Feb22 005 20Feb22 008 21Feb22 008 22Feb22 008 23Feb22 008 24Feb22 005 25Feb22 012 26Feb22 010 27Feb22 005 28Feb22 005 01Mar22 005 02Mar22 005 03Mar22 015 04Mar22 010 05Mar22 005 06Mar22 005 07Mar22 005 08Mar22 005 09Mar22 012 10Mar22 015 45-DAY F10.7 CM FLUX FORECAST 25Jan22 095 26Jan22 095 27Jan22 095 28Jan22 092 29Jan22 092 30Jan22 095 31Jan22 098 01Feb22 098 02Feb22 100 03Feb22 105 04Feb22 105 05Feb22 108 06Feb22 108 07Feb22 108 08Feb22 110 09Feb22 110 10Feb22 108 11Feb22 106 12Feb22 105 13Feb22 103 14Feb22 101 15Feb22 100 16Feb22 095 17Feb22 092 18Feb22 092 19Feb22 090 20Feb22 090 21Feb22 090 22Feb22 088 23Feb22 087 24Feb22 092 25Feb22 094 26Feb22 096 27Feb22 096 28Feb22 098 01Mar22 100 02Mar22 105 03Mar22 105 04Mar22 108 05Mar22 108 06Mar22 108 07Mar22 110 08Mar22 110 09Mar22 108 10Mar22 106 FORECASTER: TENNESSEN / DETHLEFSEN 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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