A wind vane is a tool that identifies the direction the wind is blowing. 1. Activate prior knowledge about instruments used to measure weather.
Why is there no rain in Tamilnadu?
Since the state is entirely dependent on rains for recharging its water resources, monsoon failures lead to acute water scarcity and severe droughts.
How is rain in Tamilnadu?
During the monsoons, Tamil Nadu gets rain due to the extreme southwest trade winds blowing to the northern hemisphere. … Since the state completely relies on rain to regenerate its water supplies, monsoon deficiencies result in acute precipitation.
Why Chennai has no rain?
A lack of rainwater and groundwater has left four of the reservoirs that supply the city completely dry. The inability to meet demand for water has forced businesses like hotels and restaurants to close. Water tankers from areas of Tamil Nadu unaffected by drought have been bringing water into some areas of the city.
Why Tamil Nadu does not receive rainfall in summer?
Southwest Monsoon period is the principal rainy season for the Indian subcontinent. This is the summer monsoon period where the southwest monsoon holds away over the country. … Tamil Nadu is considered as a rain shadow region as it lies on the eastern side of western ghats.
Which is the hottest city in TamilNadu?
Vellore districtVellore district, which is to the northwest of Chennai, recorded the highest maximum temperature in the state, registering a blazing 43.5 degrees Celsius.
Is rain possible in Chennai?
Chennai, also known as Madras, is the capital of the Indian state Tamil Nadu. The city experiences a wet and tropical climate as it lies near the coast and thus does not have any sort of extreme seasonal temperature. Chennai gets most of its annual rainfall from mid–October to mid–December.
Why is Tamil Nadu so hot?
The variations appear all over south India. “It is because of the high pressure that is common at this time of the year over the Indian peninsula. The moisture content is zero, there is no humidity. So whatever heat comes to us is reflected back,” says Pradeep John, weatherman, Tamil Nadu.
Which district has lowest rainfall in Tamilnadu?
Lowest rainfall received during the SW monsoon season is over Thoothukudi district (61.8 mm) while Tirupur district received lowest annual rainfall (600.3 mm). According to Table 2 variance in rainfall is maximum for Ariyalur district in the months of June, August, September and monsoon months.
What is the climatic condition of Tamilnadu?
Mainly tropical, the climate of Tamil Nadu is known for its warm and humid summers and moderate summers. Temperatures have known to rise almost as high as 40 ° C.
How Chennai is losing its water?
Rapid Urbanization Has Contributed to Chennai’s Water Crisis. The cyclone-prone waters of the Bay of Bengal periodically surge into the city, forcing back the sewage-filled rivers to overflow into the streets. Rainfall is uneven, with up to 90% falling during the northeast monsoon season in November and December.
Is there water problem in Chennai?
Chennai is an extreme example of a problem that is increasingly disrupting cities around the world that are also grappling with rapid population increases. Sao Paulo, Beijing, Cairo and Jakarta are among urban centers facing severe water scarcity.
How does Chennai get water?
Chennai receives most of its water from Poondi Lake (3,231 Mcft), Sholavaram Lake (881 Mcft), Red Hills Lake (3,300 Mcft) and Chembarambakkam Lake (3,645 Mcft). … This lake receives water from Cauvery River system through Kollidam, Lower Anicut and Vadavar Canal besides rainwater from its own catchment area.
Which district has highest rainfall in Tamilnadu?
The highest rainfall departure is recorded in Tiruppur that received 98.7 mm rainfall against its normal of 4.8 mm, thus a rainfall departure of 1,957 per cent. “Historic January rains witnessed in Tamil Nadu and Kerala.
Why Kerala has more rain than Tamil Nadu?
Answer: Chennai has more rain months than Kerala because it receives rainfall from both- South West Monsoon winds and North West Monsoon winds (during winters) but Kochi receives rainfall only from South West Monsoon winds.