Lorsque le ciel du soir prend une teinte rougeâtre, c'est souvent un signe de temps clair à venir, grâce à la haute pression qui emprisonne la poussière et les particules. Les marins se réjouissent à la perspective de mers calmes et de ciels ensoleillés le lendemain. Mais lorsque le ciel du matin est rouge, c'est comme si la nature nous mettait en garde pour nous préparer à affronter une tempête; une tempête pourrait être en train de se préparer, prête à déchaîner sa fureur. Alors, la prochaine fois que vous apercevrez une aurore ou un coucher de soleil écarlates, tenez-vous en garde - cela pourrait simplement être Mère Nature qui donne un indice sur le temps à venir. Animation créée par Sympa.
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Stock de fichiers (photos, vidéos et autres):
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https://www.eastnews.ru
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FunTranscript
00:00 Do you believe in the signifiers that, according to folklore, can help predict the weather?
00:05 Well, know that many of them have a scientific basis.
00:09 We'll see all that.
00:10 You may have already heard this phrase of English origin.
00:14 "Red sky in the evening, joy of the sailor, red sky in the morning, attention at sea."
00:19 You didn't know it?
00:21 So maybe the version with a shepherd instead of a sailor?
00:24 This meteorological tradition was even commemorated by William Shakespeare in 1593.
00:30 He wrote a poem entitled "Venus and Adonis", in which he describes the legend of the red sky.
00:36 And it turns out that this legend can be explained.
00:39 The sky is red when dust and small particles are trapped in the atmosphere under the effect of a strong pressure.
00:45 When the sunlight passes through the earth's atmosphere, it divides into different colors and produces beautiful colored skies.
00:52 If the pressure is high, dust and steam are trapped in the atmosphere,
00:57 which causes the dispersion of blue light and only lets red light through.
01:02 Which generally indicates that the weather will be clear the next day.
01:05 While a morning red sky can mean a storm is approaching.
01:09 Here's another one with sailors.
01:11 "The morning rainbow is a warning, the evening rainbow brings the sailor joy."
01:16 According to this sentence, if you see a rainbow in the morning, it means that the rain is going to fall.
01:21 However, if you see a rainbow in the evening, it means that the weather will be calm the next day.
01:26 The gold nuggets at the bottom of the rainbow are a myth.
01:30 The next one.
01:31 It is said that there is no bad weather if the wind is calm.
01:34 It's quite logical here too.
01:35 A calm weather tells us that the pressure is high.
01:38 The descending air prevents phenomena related to bad weather, such as clouds and rainfall.
01:44 But that's not all.
01:46 In fact, calm can also indicate that bad weather is preparing.
01:50 That's why we often talk about calm before the storm.
01:54 Have you ever seen a halo around the sun or the moon?
01:57 It's another revealing meteorological sign.
02:00 The next time you see one, don't forget to take an umbrella before leaving your house.
02:05 This phenomenon is due to refraction.
02:08 The sun and the moon provide light, although in different ways.
02:12 And this light is refracted by high-altitude ice crystals.
02:16 When you see a halo, it means that the humidity rate is decreasing.
02:21 In addition, these halos can turn into another magnificent phenomenon.
02:25 The sky of milk.
02:27 It's a clear sky, but its usual blue hue is a little less vivid, as if it were washed out.
02:33 Today, we can simply consult weather forecasts on our phones.
02:38 But several centuries ago, people needed other solutions to predict the weather.
02:43 The first forecasts appeared around 650 BC.
02:48 At the time, the Babylonians predicted the weather based on the shape of the clouds.
02:53 Look, a cloudy cloud.
02:56 And there, there is a dark one.
02:58 Better go home.
03:00 People had to wait several centuries before having global forecasts.
03:04 The first prototype of the technology currently used dates from 1835.
03:08 And it owes to the invention of the telegraph.
03:11 In fact, in the past, animals contributed a lot to weather forecasts.
03:16 Some traditions have been preserved to this day.
03:19 For example, the day of the marmot.
03:22 To make it short, if a marmot comes out of its den on February 2 in Punxsutawney, Pennsylvania,
03:27 and sees its shadow, it will return to its den and the winter will last six more weeks.
03:33 On the contrary, if the marmot does not see its shadow and is not afraid, spring will come soon.
03:39 This tradition has no scientific basis, but surprisingly, marmots are rarely wrong.
03:45 While in the United States, marmots predict the arrival of spring, in Croatia and Serbia,
03:51 people use bears to know if spring is near.
03:55 On February 15, they watch a bear come out of its winter den.
04:00 It's again a matter of shadow.
04:02 If the bear is disoriented by seeing its shadow, it will return to its den and sleep 40 more days,
04:08 thus extending the winter.
04:10 On the other hand, if the sky is cloudy that day, it means that spring is coming.
04:16 As for the poor beaver who is in charge of waking the bear, he is rather to complain.
04:21 Unlike marmots and bears, seagulls can help you predict bad weather all year round.
04:27 They say, "Seagull, seagull, sit on the sand, it never gets sunny when you leave the sea."
04:33 Seagulls sleep most of the time on the water, and if they feel that the wind is starting to blow,
04:38 they will choose to avoid the damage.
04:40 So they land on the beach and wait.
04:43 Smart.
04:44 "Rain before 7 o'clock, lightning at 11 o'clock."
04:47 This expression is quite common, but it is only partially true.
04:51 If it rains at the end of the night and early in the morning, it is sometimes because a meteorological front has passed.
04:58 At least, it is not entirely accurate to assume that the morning rain announces a dry afternoon.
05:04 In some cases, a storm that develops at the end of the afternoon can last all night and cause morning rain.
05:10 Cows are also good at weather forecasting.
05:14 A cow pointing its tail west announces good weather.
05:17 A cow pointing its tail east announces bad weather.
05:21 The thing is, she doesn't really like to have the wind in her face.
05:25 She prefers to turn her back to the storm.
05:28 West winds usually bring good weather.
05:31 East winds, on the contrary, often bring unstable weather.
05:34 And there you go, I told you, cows are cool.
05:37 If you ever find yourself in a pasture in the middle of the cows, you will know the weather for the hours to come.
05:43 Even if your phone has no signal.
05:45 If you have no cows, no bears, or any other animal sensitive to weather close to hand,
05:51 you can use onions.
05:53 Yes, you heard right.
05:55 Even onions can predict the weather.
05:57 And they even predict long-term weather conditions.
06:00 Listen to this.
06:02 Very thin onion skin.
06:04 The sky is in the sky.
06:05 Thick and hard onion skin.
06:07 Winter will be cold and rough.
06:09 But I don't think we can predict weather with fried onions.
06:13 If you want a scientific explanation to these little sentences, you will be disappointed.
06:18 In fact, scientists think that if they have resisted the test of time, it is for one and only reason.
06:24 The selective memory of the human being.
06:27 We tend to remember things that we have predicted correctly.
06:31 And if this is not the case, we forget them.
06:33 Chains and plows can be useful to us.
06:37 Because they have the ability to curve their leaves when the humidity is very high and the wind blows hard.
06:44 This gives us the sentence "When the leaves turn their backs, it means it will rain."
06:49 And it turns out to be true.
06:51 There is another one.
06:52 "When the leaves present their underside, it will rain upside down."
06:56 I know.
06:57 The rhyme is not great, but it works anyway.
06:59 Well, let's move on.
07:01 No need to resist winds and tides.
07:04 It is better to observe them.
07:05 Did you know that you can even use your friends to predict the weather?
07:09 Our body is much more versatile than we usually think.
07:13 Here is another little story that proves that we have superpowers.
07:17 We humans.
07:18 Yes, our body can predict the rain.
07:21 I know ladies by dozen.
07:23 I know ladies by dozen.
07:25 I know ladies by dozen.
07:27 Their beautiful curls are overflowing on their heads.
07:29 I bet you have already noticed that our hair reacts to the weather it is, and especially to the humidity of the air.
07:35 They will often be longer when the atmosphere is damp.
07:38 Natural curls will tend to fade.
07:41 Naturally stiff hair, on the contrary, may start to curl a little.
07:46 If you are blond, it is even more effective because your hair is more sensitive to humidity.
07:51 Even more precise predictions.
07:53 Yes, it's cool to predict the weather, but what about the temperature?
07:57 You can know the temperature by counting the stridulations of a cricket.
08:01 These animals are very reliable thermometers.
08:04 When it is hot, they stridulate faster.
08:07 And when it is cold, their stridulations are slower.
08:10 Here is what you have to do to determine the temperature.
08:14 Count their stridulations for 14 seconds, then add 40 to the number of stridulations obtained.
08:20 The problem is that this little trick only works in Fahrenheit.
08:24 For Celsius degrees, the calculations are more complicated.
08:28 Even if these predictions are not always accurate,
08:31 they can be a fun way to predict the weather it will be and get in touch with nature.
08:36 Here, my hair is starting to frizz. It's time to open my umbrella.
08:41 [MUSIC PLAYING]