For other uses, see Portal (disambiguation).
Large-scale, mobile, temporary portal creation event
A Portal Storm is an event that creates a multitude of temporary portals to other dimensions. As seen in Half-Life 2: Episode Two, these portals spread outwards in a storm-like manner, causing havoc wherever they hit.
Since the Resonance Cascade at Black Mesa, Portal Storms have occurred all over the world bringing forth life forms from Xen. They are a highly dangerous and destructive phenomenon, capable of inflicting severe structural damage to objects, such as buildings and bridges. A Portal Storm consists of a blue 'wave' that resonates from a portal and moves across the landscape.
In Half-Life 2, when at Black Mesa East, the player can see a newspaper cut-out, titled "Portal" Storm Continues. In Episode Two, a series of Portal Storms originating from the Superportal ravages the surrounding landscape.
A copy of the newspaper The Terminal seen in Half-Life: Alyx, written in the aftermath of the Seven Hour War, mentions that the Portal Storms were still occurring in the days prior to the Combine assault, and that their origin was still unknown, with speculations including meteorological effects of climate change, or clandestine scientific experiments. There were also theories that they might have been engineered by the Combine as a prelude to attacking Earth. Although no scientific consensus had been reached, it was reported that some scientists had identified the Combine units as separate from the Xen creatures arriving from the Portal Storms. This extra edition of The Terminal includes a photo of a portal event, along with a map of the world with locations of sighted portals. Reportedly, no pattern had been discovered for where or when a portal would open.
Eli Vance's collection of old newspapers from his lab in Black Mesa East.
The Muscle Car in front of a Portal Storm.
The Terminal extra edition seen in Half-Life: Alyx.
List of appearances
- Half-Life 2 (First appearance) (Mentioned only)
- Half-Life 2: Episode Two
- Half-Life: Alyx (Mentioned only)
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