Day 41 – Q 5.How do local winds affect the socio-economic conditions of a region? Illustrate with the help of examples.
5. How do local winds affect the socio-economic conditions of a region? Illustrate with the help of examples.
स्थानीय हवाएँ किसी क्षेत्र की सामाजिक-आर्थिक परिस्थितियों को कैसे प्रभावित करती हैं? उदाहरणों की मदद से समझायें।
There are several winds which develop in response of the local terrain. They are generated through temporary creation of regions with relative high and low pressure. They are known as the local winds. They have a significant impact in the socio-economic conditions of a place and psychology of the society. Broadly they can be categorised on the basis of periodicity. There can be periodic winds and non-periodic winds.
Some of the local winds across the world and how they affect socio-economic conditions of region:
- Blizzard: It is intensely cold fast blowing wind accompanied by snow, blows in north America.
- Buran: it blows in central Asia and Siberia. It is a strong cold north easterly wind which reduces the temperature up to -30o
- Chili: it is a hot dry wind which blows from the Sahara Desert towards the Mediterranean Sea through Tunisia.
- Gibli: it blows from the Sahara Desert towards Mediterranean Sea through Libya. It is an extremely hot local wind. It blows during the summer season. It may last for 3-5 days. This wind has extreme effects. Due to heat the government declares the holiday. Because of this the shade temperature reaches up to 60o sometimes the tyres of the car melt and stick to the road. Even the dry grass catches fire. People shelter themselves in the basements.
- Haboob: it is an intense dust storm blowing across the world. It brings huge dust stroms in the area they pass by, Eye and respiratory system protection is advisable for anyone who must be outside during a haboob.
- Karaburn: it blows from March to May and leads to hazy weather. It is also responsible for deposition of loess in Huwang Ho valley.
- Khamsin: hot wind blows in Egypt for about 50 days. On its forward side, the centre brings warm, dry air northward out of the desert, carrying large amounts of dust and sand; on its rear side, it brings cool air southward from the Mediterranean.
- Loo: it blows in summer season in India in northern plains. It is a hot dry wind and raises the temperature. Loo follows a three-day cycle. It starts blowing at 9am in the morning till 5 in evening. On its third day, it is accompanied by a storm in the evening called Aandhi and causes little shower taking the temperature down.
- Mistra: it blows in Rhone valley of france. It a cold wind blowing during winters. It has adverse effects on orchards.
- Berg: It blows in South Africa. It blows mainly in winter due to anticyclone effects in the interiors, causing uncomfortable weather for people and damage to crops
- Chinook (snow or ice eater): it blows in USA and Canada between December and march. It descends on the leeward side of the mountain. It is warm and dry and causes the snow to melt which provides water for agriculture. It has a soothing effect on weather and society.
Locals winds have both positive and negative effects on the socio-economic conditions of the region. With help of technology available, we can reduce the negative part by taking up preventive and mitigative measures.