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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 April follow. Solar flux 125 and estimated planetary A-index 13. The estimated planetary K-index at 0600 UTC on 02 April was 3.67. 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 02Apr23 008 03Apr23 008 04Apr23 010 05Apr23 012 06Apr23 008 07Apr23 005 08Apr23 005 09Apr23 005 10Apr23 015 11Apr23 012 12Apr23 008 13Apr23 005 14Apr23 008 15Apr23 008 16Apr23 012 17Apr23 010 18Apr23 015 19Apr23 005 20Apr23 020 21Apr23 015 22Apr23 010 23Apr23 008 24Apr23 008 25Apr23 005 26Apr23 005 27Apr23 012 28Apr23 015 29Apr23 010 30Apr23 008 01May23 005 02May23 005 03May23 005 04May23 005 05May23 005 06May23 005 07May23 015 08May23 012 09May23 008 10May23 005 11May23 008 12May23 008 13May23 012 14May23 010 15May23 015 16May23 005 45-DAY F10.7 CM FLUX FORECAST 02Apr23 125 03Apr23 125 04Apr23 120 05Apr23 120 06Apr23 115 07Apr23 115 08Apr23 110 09Apr23 130 10Apr23 132 11Apr23 135 12Apr23 135 13Apr23 140 14Apr23 145 15Apr23 148 16Apr23 150 17Apr23 150 18Apr23 155 19Apr23 155 20Apr23 158 21Apr23 160 22Apr23 160 23Apr23 160 24Apr23 155 25Apr23 145 26Apr23 145 27Apr23 135 28Apr23 135 29Apr23 135 30Apr23 135 01May23 135 02May23 132 03May23 132 04May23 132 05May23 132 06May23 130 07May23 132 08May23 135 09May23 135 10May23 140 11May23 145 12May23 148 13May23 150 14May23 150 15May23 155 16May23 155 FORECASTER: Jones / Tennessen 99999 NNNN


Source: NOAA Space Weather
Prediction Center

 

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