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Climate Family Climographs & Locations

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Climate Family Climographs & Locations. Developed by Joe Naumann. A family of climates - Tropical. Warm all months Diurnal temperature range is usually greater than the range of average monthly temperatures. Seasons based on precipitation, not on temperature.

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a family of climates tropical
A family of climates - Tropical
  • Warm all months
    • Diurnal temperature range is usually greater than the range of average monthly temperatures.
  • Seasons based on precipitation, not on temperature.
  • Differences in typical vegetation is based on differences of available precipitation.
am tropical monsoon
Am – Tropical Monsoon
  • Not given on many maps – often combined with the tropical rainforest (Af)
  • Temperatures are very similar to Af
  • Precipitation differs: there is a short dry season that is long enough to allow some deciduous trees to be part of the forest.
b family dry climates
B Family – Dry Climates
  • The most important characteristic is the insufficiency of precipitation for any kind of continuous vegetation cover.
  • Precipitation is also usually unreliable.
  • Temperatures are usually not considered
    • High altitude & high latitude deserts (Bwk)
    • High altitude & high latitude steppe (Bsk)
    • Low latitude deserts (Bwh)
    • Low latitude steppe (Bsh)
  • Temperatures – k = cold & h = hot
c family 4 season temperate
C Family – 4 season temperate
  • All members have four distinct seasons based primarily on temperature differences
  • The receive enough precipitation to support some type of forest vegetation (Maquis of the Mediterranean is the result of human action of long ago – deforestation by the Romans)
  • Summers can be very hot, but winters are mild compared to those of the D climates.
climagraph cfa humid subtropical
Climagraph – Cfa (Humid subtropical)

St. Louis is near the northern border of Cfa

d family humid continental
D Family – Humid Continental
  • The continental influence results in seasonal temperature extremes
  • Four seasons, but the summer gets shorter and cooler as one progresses from Dfa to Dfd.
  • Found in the higher latitudes; therefore, there are none in the southern hemisphere. There are no huge continental landmasses in those latitudes in the southern hemisphere.
  • Sufficient precipitation to support some type of forest vegetation.
climagraph dfa humid continental hot summer
Climagraph – Dfa (Humid Continental – hot summer)

St. Louis is near the southern border of Dfa

moving north into canada colder d climates
Moving north into Canada colder D climates
  • Dfc
  • Dfd – coldest of the D family
  • D climates found in Asia, particularly Siberia (w stands for dry winter)
    • Dwa
    • Dwb
    • Dwc
    • Dwd
e family polar climates
E Family – Polar climates
  • Here the temperatures do not get warm enough to provide a reasonable growing season. Available precipitation is insufficient to support any type of forest.
  • The ET climate (tundra) does support grasses, herbaceous plants, mosses, and lichens in the few months that might avearge above freezing.
  • The EF climates never have average temperatures above freezing, so there is no vegetation.
ef permanent ice and snow
EF - Permanent Ice and Snow
  • Glacial areas such as mountain glaciers or continental glaciers (Antarctica & Greenland)
  • No vegetation or permanent human habitation.