On July 20, 2025, another wave of geomagnetic activity is expected to affect Earth, sparking interest from both scientists and the general public. Magnetic storms occur when plasma ejected from the Sun reaches Earth’s magnetic field, disturbing its natural balance. This cosmic phenomenon may cause discomfort for people sensitive to weather or atmospheric pressure changes. Those with chronic heart or nervous system conditions should be particularly cautious. As noted by the editorial team at the Baltimore Chronicle, being informed in advance allows you to reduce the negative effects through simple preparation.
What Are Magnetic Storms and How Do They Happen
Magnetic storms are disturbances in Earth’s magnetic field caused by massive solar eruptions. These eruptions send clouds of charged particles toward Earth, which interact with the planet’s magnetosphere and trigger geomagnetic fluctuations.
The Sun constantly emits plasma, but it is the coronal mass ejections (CMEs) during solar flares that pose the greatest risks. Such activity not only affects space-based technology but can also impact human health. While solar storms happen multiple times a month, their intensity can vary significantly.
Types of Magnetic Storms by Intensity:
- Weak (G1) – Minor effects on health and communication
- Moderate (G2) – Light discomfort in sensitive individuals
- Strong (G3) – Navigation disruptions, sleep disturbances
- Severe (G4) – Possible power grid fluctuations
- Extreme (G5) – Satellite failures, danger for aviation systems
Magnetic Storm Forecast for July 20, 2025
According to meteorological and astronomical observatories, a G2–G3 level magnetic storm is expected on July 20. This means the storm will be of moderate to strong intensity. Peak impact is predicted between 12:00 PM and 6:00 PM (Kyiv time).
Solar activity observations confirm a high-speed solar wind approaching Earth, which could destabilize the planet’s magnetic field. This may result in bright auroras in northern regions and possible disruptions to GPS-based systems.
Experts predict:
- Storm onset: Around 10:30 AM
- Peak activity: Between 2:00 PM and 4:00 PM
- Estimated intensity: G2–G3
- Likely health impact: Significant for sensitive individuals
How Magnetic Storms Affect Human Health
People who are sensitive to weather changes may experience noticeable discomfort during magnetic storms. This happens because geomagnetic fluctuations can interfere with the body’s natural electromagnetic fields, triggering stress-like symptoms.
Common symptoms include:
- Headaches, dizziness
- Elevated blood pressure
- Irritability and anxiety
- Sleep disturbances
- Chest pain or fatigue
Elderly people, pregnant women, and those with chronic heart or neurological issues are most at risk during these periods.
Tips to reduce the impact:
- Avoid heavy physical exertion
- Stay hydrated and avoid alcohol
- Take prescribed medications on time
- Limit screen time and digital exposure
- Get to bed early and minimize stress
Can Magnetic Storms Disrupt Electronics and Technology?
Yes, magnetic storms can affect not only the human body but also modern technology. High levels of geomagnetic activity can cause malfunctions in satellites, communication systems, and electrical networks.
Potential issues may include:
- Mobile signal interference
- Unstable internet connections
- GPS inaccuracies
- Aircraft navigation glitches
- Minor power grid interruptions
For everyday users, this could mean short-term connectivity issues, GPS malfunctions, or brief power outages in some regions.
Magnetic Storm Overview: July Activity Summary
| Date | Storm Level | Health Impact | Technical Effects |
|---|---|---|---|
| July 5 | G1 | Minimal | None |
| July 12 | G2 | Mild discomfort | Minor GPS delays |
| July 17 | G3 | Moderate | Communication disruptions |
| July 20 | G2–G3 | High for sensitive | Possible tech interference |
How to Prepare for a Magnetic Storm
Preparing for a magnetic storm doesn’t require extreme measures, but taking simple precautions can help you avoid negative effects — especially if you’re in a high-risk group.
Things to do the day before:
- Charge all mobile devices in advance
- Save important files for offline access
- Stock up on drinking water and essential meds
- Avoid long-distance travel if possible
- Monitor official updates and weather alerts
If the storm persists for several days, access to reliable information becomes even more critical to your safety and well-being.
Who Is Most at Risk
Not everyone reacts to magnetic storms the same way. Some people don’t feel anything, while others experience severe discomfort. People with weather sensitivity (sensitivity to atmospheric and magnetic fluctuations) are the most affected.
High-risk groups include:
- Seniors over 60
- Pregnant women
- People with cardiovascular or hypertension issues
- Children under 5
- Those with emotional or mental instability
For these groups, consulting a doctor ahead of time can make a big difference, especially during intense storm activity.
Earlier we wrote about which zodiac signs will be especially lucky in july.