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06-02-2024, 07:26 PM
Noticias:
The Canary Islands register the hottest January in the last 63 years.
Abnormal temperatures and dry Weather will continue through the month of February
Last January was the warmest in the Canary Islands since 1961, with an average temperature of 17.9 degrees, and the seventh driest, according to the State Meteorological Agency. The average temperature registered a positive anomaly of 3.1ºC, which corresponds to extremely warm.
Likewise, the average value of accumulated rainfall was 4.7 mm, only 13% of the expected value, according to the 1991-2020 reference series, being the seventh driest January since 1961, placing it as a very dry rainfall month.
The average temperature over the course of January remained above the average of the 1991-2020 reference series during all days of the month, with two episodes of very marked increases: the first, between the 8th and 16th and the second, from the 21st.
Likewise, the highest maximum temperature of a month of January was reached in the Canary Islands since records began, being 31.7ºC, reached at the Carretera del Cotillo station, in the municipality of La Oliva, in Fuerteventura, on the 16th.
A considerable number of tropical nights have also been recorded, compared to the data that has been observed during the months of January of the previous 15 years, with a total of 60 tropical nights, mainly concentrated in the interval between the 12th and 16th.
The synoptic situation over the Archipelago during January has been characterized by high relative pressure at the surface, with a weak baric gradient and by the presence of the African ridge at height, establishing an east-southeast flow that has prevailed most of the days of the month, adding some episodes of calima.
This flow of air – drier and warmer – caused, both by advection and by increased insolation, the rises in temperatures shown in the records, as well as the passage of bands of medium and high cloudiness for some days.
The circulation of storms to the northwest of the Islands did not leave rainfall due to subsidence over them, but they did contribute to the reinforcement of the east-southeast flow at surface level. This flow intensified for a few days, with wind gusts exceeding 100 km/h on the summits of Tenerife and La Gomera.
Likewise, there was the sporadic presence of the Atlantic anticyclone and the establishment of a north-northeasterly flow, between the 5th and 7th and between the 17th and the 20th, causing the only drops in temperatures.
RAINFALL
Two periods with precipitation were identified. Thus, between the 2nd and 5th, when the Atlantic anticyclone, with its center to the northwest of the Islands, allowed the arrival of an air mass with greater thickness of moisture, separated from the storms that circulated further north. The rainfall was light and affected areas of the north and northwest of Lanzarote, east and northeast of La Palma, high areas of La Gomera, east and southeast of Tenerife, as well as the eastern half of Gran Canaria. In El Hierro they were more generalized.
Between the 15th and 20th, there were two consecutive situations. The first, caused by medium-sized cloud bands, with embedded storms, dragged by the southerly flow, which caused showers and electrical discharges. The second was due to the arrival of an inactive front that approached the northwest.
link to article for map
The Canary Islands register the hottest January in the last 63 years.
Abnormal temperatures and dry Weather will continue through the month of February
Last January was the warmest in the Canary Islands since 1961, with an average temperature of 17.9 degrees, and the seventh driest, according to the State Meteorological Agency. The average temperature registered a positive anomaly of 3.1ºC, which corresponds to extremely warm.
Likewise, the average value of accumulated rainfall was 4.7 mm, only 13% of the expected value, according to the 1991-2020 reference series, being the seventh driest January since 1961, placing it as a very dry rainfall month.
The average temperature over the course of January remained above the average of the 1991-2020 reference series during all days of the month, with two episodes of very marked increases: the first, between the 8th and 16th and the second, from the 21st.
Likewise, the highest maximum temperature of a month of January was reached in the Canary Islands since records began, being 31.7ºC, reached at the Carretera del Cotillo station, in the municipality of La Oliva, in Fuerteventura, on the 16th.
A considerable number of tropical nights have also been recorded, compared to the data that has been observed during the months of January of the previous 15 years, with a total of 60 tropical nights, mainly concentrated in the interval between the 12th and 16th.
The synoptic situation over the Archipelago during January has been characterized by high relative pressure at the surface, with a weak baric gradient and by the presence of the African ridge at height, establishing an east-southeast flow that has prevailed most of the days of the month, adding some episodes of calima.
This flow of air – drier and warmer – caused, both by advection and by increased insolation, the rises in temperatures shown in the records, as well as the passage of bands of medium and high cloudiness for some days.
The circulation of storms to the northwest of the Islands did not leave rainfall due to subsidence over them, but they did contribute to the reinforcement of the east-southeast flow at surface level. This flow intensified for a few days, with wind gusts exceeding 100 km/h on the summits of Tenerife and La Gomera.
Likewise, there was the sporadic presence of the Atlantic anticyclone and the establishment of a north-northeasterly flow, between the 5th and 7th and between the 17th and the 20th, causing the only drops in temperatures.
RAINFALL
Two periods with precipitation were identified. Thus, between the 2nd and 5th, when the Atlantic anticyclone, with its center to the northwest of the Islands, allowed the arrival of an air mass with greater thickness of moisture, separated from the storms that circulated further north. The rainfall was light and affected areas of the north and northwest of Lanzarote, east and northeast of La Palma, high areas of La Gomera, east and southeast of Tenerife, as well as the eastern half of Gran Canaria. In El Hierro they were more generalized.
Between the 15th and 20th, there were two consecutive situations. The first, caused by medium-sized cloud bands, with embedded storms, dragged by the southerly flow, which caused showers and electrical discharges. The second was due to the arrival of an inactive front that approached the northwest.
link to article for map