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Geodetic News


NOAA issues a significant space weather forecast
Wednesday, November 12, 2025

The National Oceanic and Atmospheric Administration (NOAA) has issued a space weather forecast for a severe (scale G4) geomagnetic storm that could impact GPS navigation on the afternoon of Wednesday, November 12th, 1:00 pm EST to 4:00 pm EST (18:00 UTC to 21:00 UTC).

Potential impacts to GPS navigation:

  • Strong (scale G3): Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
  • Severe (scale G4): Satellite navigation (GPS) degraded or inoperable for hours.

NOAA Space Weather info:




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