1. Climate

2. Climate - many weather regime

3. Classification climate by Koppen (marking letters):
A - tropical and equatorial
Ds - moderately cold climate with dry summers
BS - steppe climate
B - dry, sub-equatorial, tropical
BW - desert climate
Dw - moderately cold climate with dry winters
Cs - moderately warm climate with dry summers (Mediterranean)
C - temperate, subtropical and continental
Df - moderately cold climate with a uniform moisture
D - continental subarctic (boreal)
Cw - moderately warm climate with dry winters
ET - tundra climate
EF - climate permanent frost
E - arctic, subarctic, arctic
Cf - moderately warm climate with a uniform moisture
Af - climate rainforest
Aw - savannah climate

4. Additional letters (third - for the warmest, the fourth - for the coldest month of the year)
i - the strongest heat: 35 ° C and above
d - painfully cold: ° C
h - very hot: ° C
e - permafrost: -40 ° C and below
a - hot: ° C
b - warm: ° C
l - medium: ° C
k - cool: ° C
o - cold: ° C
c - very cold: ° C

5. For example: BWhl (Aswan, Egypt) - desert climate with temperatures July ° C, and in January: ° C Dfbo (Moscow, Russia) - moderately cold (continental) with a temperature of July ° C, and in January: ° C Cshk (Istanbul, Turkey) - Mediterranean climate with a temperature of July ° C, and in January ° C

6. Interesting story
July 26, 1753, Professor George Richman in St. Petersburg was fatally struck by lightning during a thunderstorm in the study of atmospheric current.

7. Interesting story
Scientist Robert FitzRoy committed suicide after a failed composite weather.

8. Interesting story
Legionnaire Alexander Macedonian were surprised when they saw how Tajiks ashes sprinkled snow to melt it quickly. This method of reducing Arctic lodovytosti was proposed in the twentieth century.

9. Interesting story
Missiles against hail were first employed in 1958 in Alazani Valley in Georgia.

10. Interesting story
In the spring of 1961, to observe the eclipse of the sun in the Crimea were involved flying weather laboratory for scattering clouds.

11. Interesting story
The first attempts to forecast air pollution, depending on the weather made ​​in 1975 in Kiev.

12. Interesting story
In 1962, Swedish and American scientists using special traps failed to capture share of noctilucent clouds. The nature of noctilucent clouds and nacreous still remains a mystery.