Key Points
Table of Contents
* Coronal mass ejection from the sun detected early on Tuesday
* Northern lights MAY BE visible at lower latitudes than usual, especially Wednesday
* Aurora likely not visible in San Antonio with naked eye.
* Cameras might detect it away from city lights!
* AURORA VISIBILITY DEPENDS ON: Continuing solar activity and its
Geomagnetic Storm Watch: Potential for Minor Power grid impacts, Aurora Displays
A geomagnetic storm watch is in effect as a important coronal mass ejection (CME) is expected to impact Earth. While the potential for widespread disruption is low, there is a slight chance some power grids could experience minor impacts. The event also offers a good possibility to view the aurora borealis (Northern Lights) in typically lower-latitude regions.
What is a Geomagnetic Storm?
geomagnetic storms are temporary disturbances of Earth’s magnetosphere caused by solar wind shocks and/or CMEs from the Sun. According to the Space Weather Prediction Centre (SWPC), these storms can impact infrastructure in space and on Earth.
Potential Impacts
The National Oceanic and Atmospheric Administration’s (NOAA) Space weather Prediction Center (SWPC) is monitoring the situation closely.Here’s a breakdown of potential impacts:
* Power Grids: Utilities have been notified and are prepared to make adjustments if necessary. The risk of widespread outages is considered low, but localized fluctuations are possible.
* Satellite Operations: Geomagnetic storms can disrupt satellite communications and GPS accuracy.
* Radio Communications: High-frequency (HF) radio communications may be affected, particularly at higher latitudes.
* Aurora Borealis: The most visually striking effect will be the potential for vibrant aurora displays. The aurora might potentially be visible as far south as the mid-latitudes, offering viewing opportunities for a wider audience than usual. SWPC provides aurora forecasts.
Historical Context: 2024 CME Event
It’s certainly worth noting that a similar, and even stronger, CME event occurred in 2024 with minimal impact. This suggests that while geomagnetic storms are powerful events, their effects aren’t always severe. Preparedness and mitigation efforts by utility companies and satellite operators play a crucial role in minimizing disruptions.
Current Watch Details (as of November 11, 2025)
As of 9:35 PM EST on November 11, 2025, the SWPC has issued a Geomagnetic Storm Watch. The storm is predicted to reach G3 (Strong) levels. You can find the latest updates on the SWPC website.
How to view the Aurora
If you live in a region where the aurora is visible, find a location away from city lights with a clear view of the northern horizon. the aurora typically appears as shimmering curtains or bands of light in shades of green,pink,and purple.
key Takeaways
* A geomagnetic storm is expected to impact Earth.
* Minor power grid fluctuations are possible, but widespread outages are unlikely.
* The primary visual impact will be the potential for aurora displays at lower latitudes.
* The SWPC is monitoring the situation and providing updates.
Disclaimer: Data is current as of November 11, 2025, and is based on the provided text and information available from the Space Weather Prediction Center (SWPC).