The ROYAL DECREE-LAW 4/2023 establishes that with alerts metereológicas of orange and red levels are owed to maximise preventive measures, and even to adapt work schedules.

Alerts for extreme temperature go off according to the temperature and of the location. Services metereológicos officers establish alerts in four levels: Green/Amarillo/Orange/Red according to Thresholds of maximum temperature (ºC) of the ones different from Meteoalerta:

AEMET. Prediction national Plan and Weather Phenomenon Vigilance Extremes whose latest version is of May 2022