This is not a northern city near the desert, and there is not even strong wind here. This is Gongzhou, which is full of mountains. How could there be such a heavy dust? Where did the dust come from?
Qiao Xuejun stepped back: "Let's go down first. Wait two days and we'll know what's going on."
Seeing Qiao Xuejun's serious expression, the other three also realized that things did not seem to be as they had just guessed, just simple spring thunder and rain.
That night, Qiao Xuejun used the shaking machine again.
Today's strange noise caused a sensation among the survivors. Everyone was guessing like Kuang Qianli did, that it was dark clouds and rain.
“The heat is finally coming to an end!”
"Finally, I don't have to face that damn sun anymore!"
"Raining, raining! I feel like crying. I've finally waited until today!"
But some people, like Qiao Xuejun, raised questions.
"Don't you realize that it's not a cloud at all?"
"Like sand, like dust."
"It wasn't thunder. I don't know if you felt it, but I could feel the ground shaking."
“…”
At noon the next day, Qiao Xuejun and a few others sat in front of the radio, holding potato pancakes and listening to today's news.
"…Yesterday at about 10 am, the supervolcano Yellowstone in the American continent erupted. The magma erupted, and the entire area within a thousand kilometers around the city and city where the volcano is located was submerged and covered by magma. The direct death toll is expected to reach one million…"
"Volcanic ash and sulfate aerosols enter the stratosphere to block solar radiation. The temperature is expected to drop by about 15-20 degrees compared with the average temperature in previous years, ushering in a volcanic winter. Residents are requested to prepare winter supplies to cope with the upcoming cold weather."
After listening to the broadcast, Kuang Qianli was surprised and said, "It turned out to be a volcanic eruption... No wonder it's all ash, it turned out to be volcanic ash."
The carpenter didn't quite understand and asked, "A volcanic eruption? Shouldn't a volcanic eruption make it hotter? Why did it turn into winter? Moreover, the American continent is so far away from us, how could it have such a big impact?"
Qiao Xuejun said: "You can understand it as the dust from the volcanic eruption blocking the sun. The sunlight can't get in, and the temperature can't get in either, so the temperature will naturally drop."
"As for the impact of the volcanic eruption, there is even speculation that it was the volcanic eruption that caused the extinction of all life in prehistoric times." Qiao Xuejun said, sighing, "You just heard that millions of people died within a thousand miles of the volcanic eruption point."
The young carpenter's face turned pale, and he was obviously frightened.
She stuttered a little: "Well, then lowering the temperature by 15 degrees... Actually, it won't drop that much, isn't it 45 degrees now? If it drops further, it will only be 30 degrees."
Qiao Xuejun shook her head. "The broadcast said that it would be 15 degrees lower than the annual average temperature. The average temperature in Gongzhou in February is 10 degrees Celsius, so now it will be minus 5 degrees Celsius."
-5 degrees Celsius is not considered extreme cold, as some northern cities have temperatures of dozens of degrees below zero in winter. However, according to the average temperature, northern cities will drop another 15 degrees, which is really extreme cold.
"We need to make masks." Wang Juanfeng suddenly mentioned, "Inhaling volcanic ash can kill people. Now that the volcanic ash has arrived, we must wear masks when we go out."
The temperature dropped very quickly. On the third day, Qiao Xuejun and a few others were sewing masks with cotton wool and gauze in the living room. She looked up at the thermometer and hygrometer.
The temperature in the underground shelter was around 25 degrees recently, but it dropped three degrees today to 22 degrees.
This kind of change occurs underground where the temperature is relatively stable, and it is definitely more obvious above ground.
"Host." The system spoke, issuing a warning, "It is no longer safe underground. Please move out as soon as possible."
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