Category: Weather

  • When is the first day of spring?

    When is the first day of spring?

    The first day of calendar spring is a fixed date, always falling on March 21st. However, the start of astronomical spring is variable and dependent on the movement of the Sun. Astronomical spring begins at the equinox, also known as the vernal equinox. This is the time when day and night are exactly 12 hours…

  • Does it rain in the desert?

    Does it rain in the desert?

    Deserts are the driest places on Earth, but that doesn’t mean that they never experience rainfall. The average annual rainfall in all deserts combined is 250 mm. For comparison, in Poland it is approximately 600 mm. However, in some places, the yearly rainfall is much lower – in the driest place on Earth, Death Valley…

  • How long does a day last?

    How long does a day last?

    A day is the time between sunrise and sunset, but it is often associated with a 24-hour period. Typically, when we ask “what day is it?” or “what did we do yesterday?”, we are not interested in the time of day, but rather the time between waking up and going to sleep. So, the simplest…

  • “Can a Tornado Occur in Poland?”

    “Can a Tornado Occur in Poland?”

    Tornadoes: Not Just an American Phenomenon Tornadoes are meteorological phenomena primarily associated with the United States. However, they also occur in Poland, although they are generally weaker compared to their American counterparts. Nevertheless, these air funnels still occasionally cause significant damage. Tornadoes, also known as twisters, are powerful rotating winds that form when warm, moist…