The State Meteorological Agency (AEMET) has issued a yellow weather warning for Calima starting to arrive in the Canary Islands tomorrow (Friday), which will impact various areas of Tenerife and Gran Canaria, as well as the islands of Lanzarote and Fuerteventura from Saturday, when temperatures will start to reach 34°C.
Friday’s forecast shows no significant changes at this point. Temperatures will experience minor fluctuations, with highs of 29°C in the province of Santa Cruz (Tenerife, La Palma, La Gomera, El Hiero) and 27°C in Las Palmas province (Gran Canaria, Lanzarote, and Fuerteventura).
AEMET indicates that there will be cloudy intervals with predominantly overcast skies and a chance of scattered showers, especially during the first half of the day in the northern mountainous regions with a moderate wind from the northeast.
In addition to this, the Ministry of Health has issued heat risk warnings on four Islands, from Saturday (September 30th) until next Wednesday (October 4th) in various municipalities of Gran Canaria, Tenerife, Lanzarote and Fuerteventura, as follows:
GRAN CANARIA:
Orange Notice: from September 30th to October 4th in San Bartolomé de Tirajana, La Aldea de San Nicolás, and Santa Lucía de Tirajana.
Yellow notice: From September 30th to October 4th, with a truce on October 3rd (when the expected temperature drops below the threshold of 33 degrees), in Valsequillo. From October 1st to 4th, with a truce on October 3rd, in Agüimes and Ingenio, and from September 30th to October 4th in Mogán.
LANZAROTE:
Yellow notice: From September 30th to October 4th, with a truce on October 3rd, in San Bartolomé.
FUERTEVENTURA:
Yellow Notice: From September 30th to October 1st in Antigua, and from September 30th to October 4th in Pájara and Tuineje.
TENERIFE:
Yellow notice: Starting October 4th, in La Orotava, El Puerto de La Cruz, and San Miguel de Abona.
Temperature thresholds and risk levels:
The temperature thresholds established in 2023 are 33°C for the province of Las Palmas de Gran Canaria and 34°C for the province of Santa Cruz de Tenerife.
The criteria for assigning health risk levels for situations of excess temperature, determined by the Ministry of Health, is based on an algorithm based on the expected maximum temperatures, the established threshold, and the number of days of persistence, which is specified as a minimum of three, and the risk factors of each territory, four risk levels are determined:
◦ Level 0 (green), no risk.
◦ Level 1 (yellow), low risk.
◦ Level 2 (orange), medium risk.
◦ Level 3 (red), high risk.
