Free Space Weather Email Alerts

Please enter the required information below in order to register for automated Space Weather Email alerts and messages
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In general you will get an email once per day with general space weather conditions. In addition you will get emails when space weather Alerts or Warnings happen. These vary in frequency but average about two messages per week.

When you subscribe you will get email messages for the following:

Forecasts and Summaries The primary daily report. It provides a summary and analysis of solar and geomagnetic activity during the previous 24 hours, the most recent solar indices, and a forecast of activity and indices for the next 3 days.
ALERT: Geomagnetic K-index of 7 (G3) Geomagnetic Storm Products Power system voltage effects, satellite surface charging, HF radio, mid-latitude aurora.
WARNING: Geomagnetic K-index of 7 or greater (G3 or Greater) Geomagnetic Storm Products Power system voltage effects, satellite surface charging, HF radio, mid-latitude aurora.
ALERT: Geomagnetic K-index of 8 (G4) Geomagnetic Storm Products Voltage problems, satellite surface charging, HF and low-frequency communication degraded, possible aurora near tropics.
ALERT: Geomagnetic K-index of 9 (G5) Geomagnetic Storm Products Grid System can collapse, extensive satellite surface charging, extended degraded. HF communication and low-frequency navigation.
ALERT: Proton Event 10 MeV Integral Flux exceeded 1,000 pfu (S3) Solar Radiation Storm Products Degraded HF at polar regions and navigation position errors, satellite effects on imaging systems and solar panel currents, significant radiation hazard to astronauts on EVA and high-latitude aircraft passengers.
SUMMARY: Proton Event 10 MeV Integral Flux exceeded 1,000 pfu (S3) Solar Radiation Storm Products Degraded HF at polar regions and navigation position errors, satellite effects on imaging systems and solar panel currents, significant radiation hazard to astronauts on EVA and high-latitude aircraft passengers.
ALERT: Proton Event 10 MeV Integral Flux exceeded 10,000 pfu (S4) Solar Radiation Storm Products Blackout of HF through the polar regions and navigation position errors over several days, satellite effects degraded imaging systems and memory device problems, high radiation risk to astronauts on EVA and high-latitude aircraft passengers.
SUMMARY: Proton Event 10 MeV Integral Flux exceeded 10,000 pfu (S4) Solar Radiation Storm Products Blackout of HF through the polar regions and navigation position errors over several days, satellite effects degraded imaging systems and memory device problems, high radiation risk to astronauts on EVA and high-latitude aircraft passengers.
ALERT: Proton Event 10 MeV Integral Flux exceeded 100,000 pfu (S5) Solar Radiation Storm Products No HF in the polar regions and position errors make navigation operations extremely difficult, loss of some satellites and memory impacts cause loss of control, unavoidable high radiation risk for astronauts on EVA and high-latitude aircraft passengers.
SUMMARY: Proton Event 10 MeV Integral Flux exceeded 100,000 pfu (S5) Solar Radiation Storm Products No HF in the polar regions and position errors make navigation operations extremely difficult, loss of some satellites and memory impacts cause loss of control, unavoidable high radiation risk for astronauts on EVA and high-latitude aircraft passengers.
SUMMARY: X-Ray Event exceeded M5 (R2) Radio Blackout Products Loss of HF and degradation of low frequency navigation signals for tens of minutes.
SUMMARY: X-Ray Event exceeded X1 (R3) Radio Blackout Products Wide area loss of HF and low-frequency navigation signals for one hour.
SUMMARY: X-Ray Event exceeded X10 (R4) Radio Blackout Products Lost HF and outages of low-frequency navigation signals for one to two hours.
SUMMARY: X-Ray Event exceeded X20 (R5) Radio Blackout Products Complete HF blackouts and outages on low-frequency navigation signals for several hours.



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22 thoughts on “Free Space Weather Email Alerts

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  1. I appreciate the news and information on space, especially the sun. I am a mother of 2 and I like to make sure our little ones are safe, you and your website help very much for our little families safety and everyone else’s too, for this, we thank you so much to the moon and back! Xo Take care and be safe always,
    Warm regards
    Angela McGonigle and family 🙂

  2. Thanks.

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