- A dense, «unnatural» fog with a «burning chemical-like smell» and visible white particles has blanketed parts of the U.S., Canada and the U.K., leading to fears of a covert government operation.
- Social media users have drawn parallels to «Operation Sea Spray,» a 1950s U.S. Navy experiment that released bacteria over San Francisco, causing illnesses and one death.
- Residents in multiple states, including Texas, Florida and California, reported respiratory symptoms such as sneezing, puffy eyes and congestion after exposure to the fog. Some speculated the fog could be a chemical weapon or linked to recent drone sightings, fueling widespread concern and conspiracy theories.
- Meteorologists attribute the fog to natural winter weather patterns, specifically advection fog, which forms when warm, moist air flows over colder land.
A dense, «unnatural» fog has blanketed large swaths of the United States in recent weeks, igniting fears of a covert government operation reminiscent of a controversial Cold War-era experiment.
Reports of the fog with a «burning chemical-like smell» and unusual white particles swirling in the air have flooded social media, with some residents claiming it has triggered respiratory symptoms.
The phenomenon has drawn comparisons to «Operation Sea Spray,» a secret 1950s U.S. Navy experiment that released bacteria over San Francisco to test the city’s vulnerability to biowarfare. While the National Weather Service (NWS) attributes the fog to natural weather patterns, conspiracy theories abound, with some suggesting the government is testing a new biological weapon.
In September 1950, the U.S. Navy conducted a covert biological warfare experiment off the coast of San Francisco, releasing massive amounts of Serratia marcescens and Bacillus atrophaeus into the air. At the time, the Navy believed the bacteria were harmless, but the experiment had dire consequences.
Eleven people were hospitalized with rare, severe urinary tract infections, and one man, Edward Nevin, died from complications linked to the bacteria. The incident, which was kept secret for decades, has since become a cautionary tale about the risks of unchecked scientific experimentation.
Now, nearly 75 years later, the recent fog has stirred memories of Operation Sea Spray, with some speculating that the government may be conducting similar tests.
«Guys, they dumped a bunch of microbes on the country this week, in the form of fog,» one X user posted. Another asked, «Did we just suffer another Operation Sea Spray event – The Fog?»
Health concerns and social media frenzy
Reports of the fog have emerged from states across the U.S., including Texas, Florida, Kansas and Minnesota, as well as parts of Canada and the United Kingdom.
A Florida resident told the Daily Mail that after stopping at a gas station for 10 minutes, they began sneezing uncontrollably and experienced puffy eyes, fever-like warmth and stomach cramps.
«Within about an hour, I kept sneezing over and over for about three hours and my eyes were really puffy,» they said.
A California resident shared on X: «Here in SoCal, unusual fog the last few days. Strange smells, but I’ve been noticing the smell for months now, burns my nose. Seems like an all-out assault from the skies the last few days.»
Similar accounts have fueled speculation that the fog could be a chemical weapon or linked to recent drone sightings across the country.
Despite the widespread concern, meteorologists and atmospheric scientists have offered natural explanations for the fog. The NWS issued dense fog advisories for multiple states, attributing the phenomenon to typical winter weather patterns. Fog forms when the temperature cools to the dew point, causing water vapor to condense into tiny droplets suspended in the air. The current fog is likely advection fog, which occurs when warm, moist air flows over colder land, a common occurrence in the southern and central U.S. during winter.
The «white particles» seen in the fog are also easily explained. When light shines through the fog, it scatters off the water droplets, making them appear as visible particles. As for the «chemical» smell, experts note that fog can absorb and trap pollutants near the Earth’s surface like car exhaust and industrial emissions.
«When fog forms, sulfur oxides, nitrogen oxides and other polluting gases are taken up or ‘scavenged’ by fog water droplets,» explained Rudolf Husar, a Washington University atmospheric scientist, in an article for NASA Earth Observatory.
The respiratory symptoms reported by some individuals are consistent with the effects of natural fog, particularly when mixed with pollutants. Studies have shown that fog can irritate the respiratory system, causing coughing, shortness of breath, and congestion, especially in people with asthma. (Related: Police: Thick fog likely caused a 30-vehicle pileup on Idaho interstate.)
Read similar stories on BiologicalWarfare.com.
Watch the video below that talks about the «mysterious fog» that covered California.
This video is from the Real Deal Media channel on Brighteon.com.
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