After nearly two decades, Earth prepares for a potent G4 geomagnetic storm, projected by the National Oceanic and Atmospheric Administration’s Space Weather Prediction Center (SWPC).

Unprecedented Solar Activity

SWPC anticipates the arrival of five coronal mass ejections (CMEs) by Friday evening, marking the first significant G4 event since January 2005.

Shawn Dahl, SWPC’s service coordinator, emphasized the rarity of severe G4 storms, noting the enormity of the observed sunspot cluster, which is 16 times larger than Earth.

Potential Impacts on Infrastructure

At the G4 level, the storm could impact infrastructure. CMEs carry magnetic fields that, when intersecting with conductors like power lines and pipelines, can induce electrical currents, potentially disrupting power grids, radio communications, and GPS accuracy.

Improved Preparedness

Despite potential disruptions, experts assure that the grid is more resilient than in 2005, with utilities having made upgrades to mitigate space weather impacts. Early notifications provide crucial preparation time for utilities to respond effectively.

Duration and Start Time

Forecasters predict the storm to commence Friday evening, albeit with some uncertainty regarding the exact timing. They estimate a start time around 8 p.m. Eastern Daylight Time, subject to variation. Forecasters will gain better insights once the CMEs approach within 1 million miles of Earth.

Prolonged Impact

The effects of the storm are expected to persist through the weekend and into early next week, warranting continued vigilance.

Northern Lights Visibility

Despite potential disruptions, much of the U.S. stands a chance of witnessing the northern lights, with visibility extending as far south as Alabama and Northern California. Maps indicate varying degrees of visibility, with more northern regions offering better viewing opportunities.

Michael Bettwy, SWPC’s operations chief, suggests that even Southerners may catch a glimpse, citing recent events witnessed as far south as Central America.

Tips for Viewing

For those struggling to see the aurora with the naked eye, Bettwy recommends using phone cameras, which are more sensitive to light.

Conclusion: Be Prepared and Enjoy the Spectacle

As Earth braces for this rare celestial event, it’s a reminder of the awe-inspiring power of our solar system. While precautions are warranted, the prospect of witnessing the northern lights offers a rare opportunity to marvel at nature’s wonders.

Download The Local News App to Stay Informed

Source