Climate Change in Portugal


Variables

Temperature

  • Mean, TA
  • Minimum, TN
  • Maximum, TX
  • Frost days index (TN < 0 ºC)
  • Longest cold nights (TN < 7 ºC)
  • Summer days index (TX ≥ 25 ºC)
  • Number of days with TX ≥ 30 ºC
  • Number of days with TX ≥ 35 ºC
  • Longest summer days (TX > 25 ºC)
  • Cold wave duration index, CWDI
  • Heat wave duration index, HWDI
  • Tropical nights index (TN ≥ 20 ºC)

Precipitation

  • Precipitation amount
  • Highest 5-day precipitation amount
  • Dry days (pr < 1 mm)
  • Wet days (pr ≥ 1 mm)
  • Heavy precipitation days (pr ≥ 10 mm)
  • Very heavy precipitation days (pr ≥ 20 mm)
  • Number of dayswith (pr ≥ 50 mm)
  • Longest dry period (pr < 1 mm)
  • Mean duration of consecutive wet days (pr ≥ 1 mm)
  • Longest wet period (pr ≥  1mm)
  • Annual total precipitation amount (pr > 10 mm) (%)
  • Annual total precipitation amount (pr > 50 mm) (%)

Wind speed

  • 10 m, 30 m and 60 m average
  • Number of days with off 10 < 2 m/s
  • Number of days with off 10 ≥ 5.5 m/s and ≥ 10.8 m/s (Strong wind days)

Relative humidity
Global radiation
Diurnal temperature range
Drought index
Aridity index
Evapotranspiration
Fire risk index

  • extreme risk 
  • high risk
  • moderated risk
  • low risk