Technology

NOAA Issues G2 Geomagnetic Storm Watch for October 11

By ABR IT Group · October 11, 2026

NOAA’s Space Weather Prediction Center has issued a G2, or moderate, geomagnetic storm watch for October 11, 2026. The official notice says two coronal mass ejections left the Sun on October 7 and 8, and the faster event may merge with the earlier one while travelling toward Earth.

Possible effects

NOAA’s G2 scale says a moderate geomagnetic storm can produce voltage alarms in high-latitude power systems and may require corrective action for spacecraft orientation. Changes in atmospheric drag can also affect orbit predictions.

High-latitude areas may experience fading in high-frequency radio propagation. NOAA says aurora could be visible as far south as New York and Idaho in some G2 conditions, but this is a possibility rather than a guarantee for every location.

Watch, not a confirmed impact

A watch is a forecast alert, not proof that a damaging storm has arrived. Actual effects depend on solar-wind conditions, timing and location. Check NOAA updates for the latest status. NewesInfo’s technology policy coverage and semiconductor report offer other technology stories.

Sources: NOAA SWPC storm watch · NOAA scale explanation · NOAA alerts and watches