During the cooler days of autumn, with more stable environment and clear nights, bring us back a meteorological phenomenon quite usual in the Valley of Segura, the temperature inversions.
Temperature inversion is a typical process especially on clear nights of winter, with calm winds when the ground cools rapidly by radiation, and this, in turn, cools the air in contact with him becomes colder and heavier than the one in the next higher layer.
This weather phenomenon is common in winter mornings anticyclone over the valleys of low air movement such as ours. And it also occurs in areas close to the slopes of the mountains on cold nights because of the cold air displaces warm air slopes of the basin causing positive temperature gradient.
When this process occurs, the height is not crucial to find the lowest temperature records, and data are devastating, if you look at the records of the past 12 months in 3 of the most representative stations:
Add also that the average annual frost days for the period 1971-2000 in the reference observatory's main network AEMET Murcia / Sewer is 11. It can also mention that this year the mercury dropped below 0 ° C, less frequently than normal. We'll see to see how it is given this new winter season.
This weather phenomenon is common in winter mornings anticyclone over the valleys of low air movement such as ours. And it also occurs in areas close to the slopes of the mountains on cold nights because of the cold air displaces warm air slopes of the basin causing positive temperature gradient.
When this process occurs, the height is not crucial to find the lowest temperature records, and data are devastating, if you look at the records of the past 12 months in 3 of the most representative stations:
Add also that the average annual frost days for the period 1971-2000 in the reference observatory's main network AEMET Murcia / Sewer is 11. It can also mention that this year the mercury dropped below 0 ° C, less frequently than normal. We'll see to see how it is given this new winter season.
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