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Which model is most accurate in Biscay?

In Biscay, ICON, the model median and Météo-France's ARPEGE do about equally well on tomorrow's temperature (the first has an average error of 1.2 °C): the difference between them could be chance.

Last 30 days (11 October to 9 November) · 2 stations from AEMET

Temperature

For today (0–24 h)

In Biscay, ICON is the most accurate this month: its average error on today's temperature is 1.0 °C, and its lead over the second is not down to chance.

  1. 1ICON1.0 °C
  2. 2Model median1.1 °C
  3. 3ARPEGE (Météo-France)1.2 °C
  4. 4GFS1.4 °C
  5. 5ECMWF AIFS (AI)1.4 °C
  6. 6UKMO (Met Office)1.5 °C
  7. 7ECMWF IFS1.6 °C
  8. 8Google AI (WeatherNext 2) (estimated)2.4 °C

2 stations · 30 days

For tomorrow (24–48 h)

In Biscay, ICON, the model median and Météo-France's ARPEGE do about equally well on tomorrow's temperature (the first has an average error of 1.2 °C): the difference between them could be chance.

  1. 1ICON1.2 °C
  2. 2Model median1.2 °C
  3. 3ARPEGE (Météo-France)1.4 °C
  4. 4GFS1.4 °C
  5. 5ECMWF AIFS (AI)1.4 °C
  6. 6UKMO (Met Office)1.6 °C
  7. 7ECMWF IFS1.7 °C
  8. 8Google AI (WeatherNext 2) (estimated)2.4 °C

2 stations · 30 days

Average error in the temperature for each hour, at the stations in the area. The shorter the bar, the better. Highlighted: the leaders, where the difference between them cannot be put down to chance.

Wind

For today (0–24 h)

In Biscay, the model median, ICON and ECMWF AIFS do about equally well on today's wind (the first has an average error of 3.0 km/h): the difference between them could be chance.

  1. 1Model median3.0 km/h
  2. 2ICON3.2 km/h
  3. 3ECMWF AIFS (AI)3.2 km/h
  4. 4UKMO (Met Office)3.5 km/h
  5. 5ECMWF IFS3.7 km/h
  6. 6GFS3.8 km/h

1 station · 30 days

For tomorrow (24–48 h)

In Biscay, the model median is the most accurate this month: its average error on tomorrow's wind is 3.0 km/h, and its lead over the second is not down to chance.

  1. 1Model median3.0 km/h
  2. 2ICON3.3 km/h
  3. 3ECMWF AIFS (AI)3.5 km/h
  4. 4UKMO (Met Office)3.5 km/h
  5. 5ECMWF IFS3.8 km/h
  6. 6GFS3.8 km/h

1 station · 30 days

Rain

For today (0–24 h)

In Biscay, ICON, the model median, Météo-France's ARPEGE, ECMWF IFS and GFS do about equally well on today's rain (the first has an average error of 0.4 l/m² per day): the difference between them could be chance.

  1. 1ICON0.4 l/m² per day
  2. 2Model median0.4 l/m² per day
  3. 3ARPEGE (Météo-France)0.5 l/m² per day
  4. 4ECMWF IFS0.6 l/m² per day
  5. 5GFS0.7 l/m² per day
  6. 6ECMWF AIFS (AI)0.7 l/m² per day
  7. 7UKMO (Met Office)0.8 l/m² per day

2 stations · 30 days

For tomorrow (24–48 h)

In Biscay, no model stands out this month on tomorrow's rain: the differences could be chance. The one with the smallest error, ICON, is off by 0.5 l/m² per day on average.

  1. 1ICON0.5 l/m² per day
  2. 2Model median0.6 l/m² per day
  3. 3GFS0.7 l/m² per day
  4. 4ECMWF IFS0.8 l/m² per day
  5. 5ARPEGE (Météo-France)0.8 l/m² per day
  6. 6UKMO (Met Office)0.8 l/m² per day
  7. 7ECMWF AIFS (AI)0.9 l/m² per day

2 stations · 30 days

Error in the total rain for each day, in litres per square metre.

Google's AI (WeatherNext 2) is now in the league. As we only compare it every 6 hours (that is how often it runs) and measure it at one station per province, its error is an estimate: the model median's error plus how much more or less Google's AI misses than the median at those hours.

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Weather in Biscay

All towns in Biscay · The league in the other provinces

How it is calculated

We compare what each model had forecast for the same day (0–24 h) and for the next day (24–48 h) with what the Meteocat (in Catalonia) and AEMET weather stations measured over the last 30 days. They all compete over the same hours. Being first is not enough to win: the difference has to pass a day-by-day statistical test (otherwise it could be chance) and at least 14 days are needed.

Winning this month does not mean winning every month: every model has its good and bad days. More detail in Accuracy and, for your exact spot, in «Which model is right here?» in the dashboard.