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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 08 February follow. Solar flux 97 and estimated planetary A-index 10. The estimated planetary K-index at 2100 UTC on 08 February was 2. 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 DXers?

Forecast: A-Index & flux

45-DAY AP FORECAST 09Feb12 008 10Feb12 008 11Feb12 005 12Feb12 008 13Feb12 008 14Feb12 005 15Feb12 005 16Feb12 005 17Feb12 005 18Feb12 005 19Feb12 005 20Feb12 005 21Feb12 005 22Feb12 005 23Feb12 008 24Feb12 005 25Feb12 005 26Feb12 005 27Feb12 005 28Feb12 005 29Feb12 005 01Mar12 005 02Mar12 008 03Mar12 008 04Mar12 005 05Mar12 005 06Mar12 005 07Mar12 008 08Mar12 008 09Mar12 005 10Mar12 005 11Mar12 005 12Mar12 005 13Mar12 005 14Mar12 005 15Mar12 005 16Mar12 005 17Mar12 005 18Mar12 005 19Mar12 005 20Mar12 005 21Mar12 008 22Mar12 005 23Mar12 005 24Mar12 005 45-DAY F10.7 CM FLUX FORECAST 09Feb12 100 10Feb12 100 11Feb12 100 12Feb12 105 13Feb12 110 14Feb12 110 15Feb12 110 16Feb12 110 17Feb12 110 18Feb12 110 19Feb12 110 20Feb12 110 21Feb12 110 22Feb12 110 23Feb12 110 24Feb12 110 25Feb12 105 26Feb12 105 27Feb12 105 28Feb12 105 29Feb12 105 01Mar12 100 02Mar12 100 03Mar12 100 04Mar12 100 05Mar12 100 06Mar12 110 07Mar12 100 08Mar12 100 09Mar12 105 10Mar12 105 11Mar12 105 12Mar12 105 13Mar12 110 14Mar12 110 15Mar12 110 16Mar12 110 17Mar12 110 18Mar12 110 19Mar12 110 20Mar12 110 21Mar12 110 22Mar12 110 23Mar12 105 24Mar12 105


Source: NOAA Space Weather
Prediction Center

Auroral activity

Northern hemisphere
Southern hemisphere
 

Web resources

Current situation:
  Space weather now (SEC)
  Today's space weather (SEC)
  Solarsoft latest events (LMSAL)
  Magnetic disturbance level in Nurmijärvi and Sodankylä in Finland (FMI)
  DST Index and AL Index
(LASP Colorado)
  DST Index
(Kyoto)

Forecasts:
  Solar forecast (SWPC)
  Solar forecast (SIDC)
  Geomagnetic summary and forecast (IPS)

Short and medium term data:
  Daily solar data (past 30 days, SWPC)
  Daily geomagnetic data (past 30 days, SWPC)
  Proton flux (3 days, SWPC)
  K and A indices in Australia (past 7 days, IPS)
  Solar Terrestrial activity report (past 60 days, DXLC)

Long-term data (solar cycle history):
  Solar cycle progression (SWPC)
  Solar cycle sunspots (SEC)
  Solar cycle sunspots (SIDC)
  Solar cycle solar flux (SEC)
  Solar cycle Ap-Index (SEC)

General information:
  Primer on Space Weather (SEC)
  Geophysical Alert Description (LWCA)

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