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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 01 March follow. Solar flux 71 and estimated planetary A-index 26. The estimated planetary K-index at 1500 UTC on 02 March was 3. No space weather storms were observed for the past 24 hours. Space weather for the next 24 hours is predicted to be minor. Geomagnetic storms reaching the G1 level are likely.

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 02Mar21 018 03Mar21 012 04Mar21 008 05Mar21 008 06Mar21 020 07Mar21 015 08Mar21 010 09Mar21 008 10Mar21 005 11Mar21 005 12Mar21 015 13Mar21 010 14Mar21 005 15Mar21 015 16Mar21 008 17Mar21 005 18Mar21 018 19Mar21 020 20Mar21 020 21Mar21 018 22Mar21 012 23Mar21 008 24Mar21 005 25Mar21 005 26Mar21 005 27Mar21 005 28Mar21 020 29Mar21 015 30Mar21 010 31Mar21 005 01Apr21 005 02Apr21 012 03Apr21 005 04Apr21 005 05Apr21 005 06Apr21 005 07Apr21 005 08Apr21 018 09Apr21 012 10Apr21 005 11Apr21 015 12Apr21 008 13Apr21 005 14Apr21 018 15Apr21 020 45-DAY F10.7 CM FLUX FORECAST 02Mar21 071 03Mar21 071 04Mar21 070 05Mar21 070 06Mar21 070 07Mar21 070 08Mar21 070 09Mar21 072 10Mar21 076 11Mar21 072 12Mar21 071 13Mar21 072 14Mar21 070 15Mar21 071 16Mar21 072 17Mar21 071 18Mar21 073 19Mar21 076 20Mar21 075 21Mar21 076 22Mar21 078 23Mar21 081 24Mar21 080 25Mar21 080 26Mar21 079 27Mar21 078 28Mar21 073 29Mar21 074 30Mar21 074 31Mar21 073 01Apr21 073 02Apr21 074 03Apr21 074 04Apr21 070 05Apr21 074 06Apr21 076 07Apr21 072 08Apr21 071 09Apr21 072 10Apr21 070 11Apr21 071 12Apr21 072 13Apr21 071 14Apr21 073 15Apr21 076 FORECASTER: SADOVSKY / HOSETH 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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