Many folk wisdoms regarding weather results from many years of observations and have rational justifications, Like these, which talk about the red sunrise or the moon in the shell as announcements of weather changes. In addition to phenomena in the sky and natural phenomena, such as the rainbow, Also, observing animal behavior can help forecast weather.
Rainbow
It is formed as a result of sunlight through small water drops in the air, usually during or immediately after the rain. Water droplets resemble tiny prisms, They split white sunlight to its components. The rainbow usually announces nice weather, Especially if it shows up in the afternoon.
Animal wandering
Many animals can sense air movements and atmospheric pressure changes, which announce a change of weather. If a storm or snowstorm is approaching, Many herd animals living in the mountains go down, in safer valleys.
Red sunrise
Red color of the sky with dawn means, that there is a lot of moisture in the air, Because the rising sun is bounced off the clouds.
Observing nature
The weather collapse may announce a change of direction and wind strength, or the appearance of a new kind of clouds in the sky. The overwhelming winds usually bring the weather characteristic of a given area at a certain time of the year. Dry, A strong wind changing direction or weakening usually announces a change of weather. Morning dew or fog allows you to expect constant weather, But if the wind blows and it fog on the hills, It can bring rain. Clean sky at dusk announces a cheerful night, but also cool, because there will be no clouds, which stop the escape of heat. Before the rain, a change in atmospheric pressure causes pain in people suffering from rheumatism, makes, that the plants expand their pores, That is why they smell more strongly, and causes swelling of items made of wood.
Pine cones
Pine cones react to moisture. If the air is dry, The scales dry up and bend. The cone opens. Just before the rainfall, the scales damp and close back, and the cone takes on the previous appearance.
Beaufort rock
The weather breaks are usually announced by changes in the direction and wind strength. The Beaufort scale is a comparative scale of wind strength. The wind of wind is assessed on the basis of symptoms observed in the field and the state of the sea. Conventionally divided into 12 degrees – From silence to a hurricane.
Beauforta scale
Grades
Wind name
Speed (m/s)
Symptoms
0
Silence
0-0,2
The smoke rises vertically
1
Breath
0,3-1,5
The smoke is tilting, indicating the direction of the wind
2
Poor wind
1,6-3,3
The wind is felt on the face
3
Mild wind
3,4-5,4
The wind moves the leaves of trees, develops flags
4
Moderate wind
5,5-7,9
The wind moves with branches of trees, raises dust from the ground
5
Quite strong wind
8-10,7
The wind moves branches
6
Strong wind
10,8-13,8
The wind moves the branches, hard to keep an umbrella
7
Very strong wind
13,9-17,1
The wind moves thin trunks, hinders march
8
Windscreen, rapid wind
17,2-20,7
It's hard to go under the wind, the trunks are wobbling
9
Storm wind, gale
20,8-24,4
The wind raises smaller items, breaks the tiles
10
Storm, strong gale
24,5-28,4
The wind breaks branches and branches
11
Strong storm, rapid gale
28,5-32,6
Trees are pounding
12
Hurricane
above 32,7
Trees pulled out with roots, Roofs picked, fallen buildings
Observing nature
