WeatherArb berechnet Z-Score, HDD und CDD gegen die NASA POWER 25-Jahres-Baseline fuer Köln (50.93°N, 6.95°E). EN ISO 15927 Standard.
Cos'è lo Z-Score climatico?
Misura quante deviazioni standard la temperatura attuale di Köln si allontana dalla media storica dello stesso mese. Sopra +2σ indica caldo anomalo raro; sotto -2σ indica freddo anomalo.
Cosa sono HDD e CDD?
Heating e Cooling Degree Days, standard EN ISO 15927, misurano la domanda energetica per riscaldamento/raffrescamento confrontando la temperatura con una soglia di 18°C.
Con quale frequenza si aggiornano i dati di Köln?
WeatherArb aggiorna i dati meteo di Köln ogni ora tramite MET Norway, NOAA NWS e WeatherAPI.
Wetter Köln Heute — Temperatur und Klimaanomalien
WeatherArb überwacht die aktuelle Temperatur in Köln im Vergleich zur NASA POWER 25-Jahre-Klimabaseline. Bei einer Hitzewelle, ungewöhnlichem Regen oder Kälteinbruch wird der Z-Score automatisch aktualisiert.
Luftfeuchtigkeit, Windgeschwindigkeit und gefühlte Temperatur in Köln werden stündlich aktualisiert. Bei extremer Hitze (Juli: erhöhtes Hitzewellenrisiko) steigt der Anomalielevel auf EXTREME oder CRITICAL.
Erdbebenrisiko Köln — Low Seismic Risk
Köln is with generally low seismic hazard, though the Upper Rhine Graben and the Swabian Alb have moderate activity. WeatherArb integrates real-time climate anomaly monitoring with USGS seismic data to provide a comprehensive view of natural risk factors affecting agriculture, infrastructure and public safety.
A Changing Climate — Köln
In the Köln area, the mean annual temperature has risen by 1.7°C since 2001. Days with highs above 30°C went from an average of 6.5 in 2001–2010 to 11.3 in 2015–2024. The highest recorded value was 40.2°C (2019-07-25).
Methodology: Data comes from the NASA POWER reanalysis (MERRA-2) at roughly 50 km grid resolution: figures describe the surrounding area rather than a single urban station. In the NASA grid this area also covers: Düsseldorf.