…it is not enough for it to be cold to snow? Clouds need to be damp, temperatures in the atmosphere and on the ground need to be close to 0 degrees Celsius (ºC), and the path that the snow travels to the ground also needs to be icy cold.

… the lowest temperature recorded in a place that is inhabited outside of Antarctica was – 67.7ºC? The record was achieved in Oymyakon, Russia on February 6th, 1933 – according to Guinness, the world book of records. According to the World Meteorological Organization, the same negative temperature was recorded in the Russian town of Verkhoyansk on February 5th and 7th in 1982.

… to have “smoke” come out of our mouths when it is cold, temperatures need to be below 10ºC? In the lungs, the air is the same warm temperature as in our body. But, when it comes out through our mouth, it cools. Thus, tiny water particles that form in the air gather, creating the vapor that looks like smoke.

… on January 22nd, 1943, temperatures dropped 32ºC in just 27 minutes in the town of Spearfish, South Dakota, in the United States? It was the fastest temperature drop ever recorded by Guinness. Thermometers went from 12ºC to -20ºC.

Sources: Climatempo, CPTEC – INPE, Guinness World Records, Laboratório Aberto de Interatividade – UFSCAR, and Nova Escola

Questions

1) What happened in Spearfish?
a) The town recorded a temperature of – 67.7ºC.
b) The coldest day there took place in 1982.
c) In 1943, the temperature dropped 32ºC very quickly.
d) It has never snowed in this town.

2) Would you like to live in a place where it snows often? Why?

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