Key Metrics
14.55
Heat Index-
Impact LevelMedium
-
Scope LevelNational
-
Last Update2025-08-31
Key Impacts
Positive Impacts (1)
Event Overview
Episodes of increased solar activity, such as coronal mass ejections and high-speed solar wind streams, can trigger geomagnetic storms that disrupt Earth's magnetosphere. These disturbances may result in rare atmospheric phenomena and widespread celestial displays far from typical observation zones. Such events can highlight vulnerabilities in infrastructure and communication, while also reflecting the interplay between space weather and terrestrial systems. Public interest is often heightened due to the infrequency and visual impact.
Collect Records
Geomagnetic Storm Watch Issued for Potential Northern Lights Across 15 States
A geomagnetic storm watch has been issued, with forecasts indicating the northern lights, or aurora borealis, could be visible across several states in the northern United States. The National Oceanic and Atmospheric Administration (NOAA) predicts the auroras may appear due to increased solar activity, specifically a phenomenon referred to as a 'solar hole' that is expected to release intense solar winds. The auroras are most likely to be seen in states including Alaska, Washington, northern Idaho, Montana, Wyoming, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, Iowa, New York, Vermont, New Hampshire, and Maine. Weather permitting, residents in these regions may have an opportunity to witness the spectacular light display this week, particularly as the Kp index, which measures geomagnetic activity, is forecasted to peak at a level of 5 during the week. This index indicates a minor to moderate geomagnetic storm condition, enhancing the chances of auroras being visible. Historically, during significant auroral events, the northern lights have been observed from as far south as Mexico City, demonstrating the vast reach of the solar activity. As the charged particles from the sun collide with Earth's atmosphere, vivid displays of light are created, captivating skywatchers. The NOAA's three-day forecast provides details on when to look for the auroras, encouraging enthusiasts to check local conditions for the best viewing opportunities.
Northern Lights Expected to Be Visible in 14 US States on June 25
The northern lights, or aurora borealis, are expected to be visible in 14 U.S. states on June 25, including Wisconsin and Vermont. This rare celestial event is caused by heightened solar activity, which sends charged particles into Earth's atmosphere, creating vibrant displays of light. The phenomenon is typically seen closer to the poles but may extend further south under strong geomagnetic conditions. In Wisconsin, the best viewing times are predicted to be late evening to early morning, with clear skies enhancing visibility. Vermont residents are also advised to look northward during the same period, particularly in rural areas with minimal light pollution. The National Oceanic and Atmospheric Administration (NOAA) has issued a geomagnetic storm watch, indicating favorable conditions for the aurora. Experts recommend checking local weather forecasts for cloud cover and heading to dark, open spaces for optimal viewing. The event is significant as it provides a rare opportunity for residents in these regions to witness the northern lights without traveling to higher latitudes.
NOAA Issues G1-G2 Geomagnetic Storm Watch for August 8-9, 2025
The Space Weather Prediction Center of the National Oceanic and Atmospheric Administration (NOAA) has issued a G1 (Minor) and G2 (Moderate) geomagnetic storm watch for August 8-9, 2025. The alert follows a coronal mass ejection (CME) that lifted off the Sun on August 5 and the anticipated effects of a coronal hole high speed stream (CH HSS). Geomagnetic storming is expected on both August 8 and 9, with the G2 (Moderate) watch applicable for August 8 as activity begins, and the G1 (Minor) watch for August 9. The Space Weather Prediction Center is located at 325 Broadway, Boulder, CO 80305.
Northern Lights Expected to Be Visible in 14 U.S. States on June 25
The northern lights, or aurora borealis, are expected to be visible in as many as 14 U.S. states on June 25. This rare celestial event is anticipated due to heightened solar activity, which can cause the auroras to extend further south than usual. The states where the phenomenon may be observed include Michigan, among others, though the exact visibility will depend on weather conditions and solar activity levels at the time. Maps and forecasts have been released to help residents identify the best viewing opportunities. The northern lights occur when charged particles from the sun collide with Earth's atmosphere, creating vibrant displays of light, typically near the polar regions. This event is significant as it provides a unique opportunity for residents in these states to witness the auroras without traveling to higher latitudes. Scientists and astronomers are encouraging people to look toward the northern horizon after sunset for the best chance of seeing the lights. The event has sparked excitement among skywatchers and photographers, who are preparing to capture the stunning natural display.
Northern Lights Expected to Illuminate 14 U.S. States This Week
The aurora borealis, or northern lights, are expected to be visible in 14 northern U.S. states this week, according to the National Oceanic and Atmospheric Administration's (NOAA) Space Weather Prediction Center. The states include Alaska, Washington, northern Idaho, Montana, Wyoming, North Dakota, South Dakota, Minnesota, Wisconsin, Michigan, Iowa, New York, Vermont, New Hampshire, and Maine. The phenomenon is predicted due to minor to moderate geomagnetic storms on the sun's surface, which disturb Earth's magnetic field and atmosphere, creating the vivid light displays. The Kp index, a measure of auroral activity, is expected to peak at 5 during the week, indicating favorable conditions for viewing. NOAA uses this index to track fluctuations in the Earth's magnetic field and predict auroral visibility. The best viewing opportunities will depend on clear weather conditions. The northern lights occur when charged particles from the sun interact with Earth's atmosphere and magnetic field, producing the stunning light displays. Historically, major auroral events have been visible as far south as Mexico City, as seen in 1958. The NOAA provides a three-day forecast for precise timing and locations. This event is significant for skywatchers and scientists alike, offering a rare opportunity to witness the natural phenomenon in multiple states.
Upgraded Northern Lights Forecast: 14 U.S. States on Aurora Alert Tonight
An upgraded forecast for the Northern Lights (Aurora Borealis) indicates that the phenomenon may be visible across 14 U.S. states tonight, June 25. The states include Vermont and others, as highlighted in the forecast map. The aurora is expected to be particularly vibrant due to heightened solar activity, offering a rare opportunity for residents in these regions to witness the spectacle. The event is significant as such widespread visibility of the Northern Lights in the U.S. is uncommon, typically requiring specific geomagnetic conditions. The forecast suggests clear skies in many of the affected states, further enhancing viewing prospects. No specific financial or statistical data was provided, but the event is notable for its rarity and the broad geographic area it covers. The Northern Lights are caused by charged particles from the sun colliding with Earth's atmosphere, creating stunning displays of light. This event is a reminder of the dynamic interactions between solar activity and Earth's magnetic field.