Cold Wave Warning: Winter has taken hold in North India. Now the effect of cold is clearly visible in the morning and late evening. Cold wave warning has been issued by the Indian Meteorological Department in many areas such as East Rajasthan, Madhya Pradesh, Uttar Pradesh, Jharkhand and Chhattisgarh. But the question arises as to how severe the cold wave warning is issued by the Meteorological Department. Also, how is this thing decided? Let us know.

Absolute minimum temperature as the first indicator

The first parameter of IMD is based on the actual minimum temperature recorded at a place. Like for the plains the border is absolutely clear. The temperature here should fall to 10 degrees Celsius or below. Apart from this, if we talk about the hilly area then it becomes even more dangerous because here a cold wave is declared when the temperature falls to 0 degree Celsius or below. Not only this, due to the mild winter pattern in the coastal areas, cold wave is declared when the minimum temperature is 15 degrees Celsius or less.

second criterion

Every region has an established normal minimum temperature for each time of the year, based on decades of data. When the actual temperature drops sharply below this normal level, the Meteorological Department considers it as a possible cold wave. A fall of 4.5 degrees Celsius to 6.4 degrees Celsius is considered as a severe cold wave, while a fall of 6.4 degrees Celsius or more is considered as a severe cold wave.

Why are these two criteria needed?

Actually the climate of India is quite diverse. What is considered cold in Rajasthan is quite different from the cold in coastal Tamil Nadu. For this reason the Meteorological Department uses both criteria to avoid incorrect or misleading classification.

How does the Meteorological Department decide to issue a warning?

The Meteorological Department monitors temperatures through a network of local observatories, Doppler radar and real-time data systems. A cold wave warning is issued when one or more criteria are met for at least two consecutive days. These warnings are then published on the Meteorological Department platform and shared with the state authority for timely public advice.

Role of real time data in warning

IMD depends heavily on the latest updates received from automated weather stations. These record the continuously changing temperature. Any sharp or sudden decline is marked and checked against general climate data. This entire process helps meteorologists to detect early signs of cold wave conditions.

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The monsoon phase in India is not over yet. The Indian Meteorological Department (IMD) has warned that the weather patterns may deteriorate in many parts of the country between 11 and 16 September. During this time, not only heavy rains but also thunderstorms and strong winds will also be at risk. Especially in Northeast, Eastern and Central India, its effect will be seen more.

In the coming days in different parts of the country, the Indian Meteorological Department has shared some information in terms of weather. According to the IMD, heavy rains are expected in the eastern parts in Madhya Pradesh on September 11. There is a possibility of continuous rain in Chhattisgarh from 11 to 14 September. Alert for heavy rainfall has been issued in Bihar on 11 to 14 September and 11 September in Jharkhand. Apart from Bihar’s capital Patna, Gopalganj, Kishanganj, Muzaffarpur, Siwan, East Champaran, Saran, Shivhar, Sitamarhi, Vaishali and Bhagalpur have also been forecast today. Apart from this, there is a low pressure area in the Bay of Bengal. Due to this, many districts of Bihar will be cloudy during the next 48 to 72 hours and intermittent rain can be seen. According to meteorological experts, the water level of local rivers in these states may increase and waterlogging in low -lying areas may arise.

The weather conditions from Odisha to Assam
According to the Meteorological Department, heavy rains are likely in Odisha on September 11 and 12 in many places and very heavy rains in some places. West Bengal and Sikkim are expected to have heavy rains in sub-Himalayan West Bengal and Sikkim on 13 September. Talking about the northeastern state, light to moderate rain and heavy rain activities will continue in Arunachal Pradesh, Assam, Meghalaya, Nagaland, Manipur, Mizoram and Tripura from 11 to 16 September. Here the risk of problems like landslides and road barriers may increase.

Vigilance is necessary in North India
There is a possibility of rain in the states located in North India. There are chances of rain in Uttar Pradesh on 11, 12, 15 and 16 September in eastern parts and on September 12 in western parts. The Meteorological Department has predicted rain in many cities of UP on 11 and 12 September. On September 11, heavy rains have been warned in Gorakhpur, Santakbir Nagar, Basti, Kushinagar, Maharajganj, Siddharthnagar, Gonda, Balrampur, Shravasti, Bahraich and Lakhimpur Kheri districts of eastern UP. At the same time, a warning of heavy rain has been issued here on 13 and 14 September in Himachal Pradesh and Uttarakhand. There is the highest risk of cloudburst and landslides in the hilly areas, so passengers will need to take special care.

Status of west and South India
The situation in West and South India is also not correct in the weather. Talking about Maharashtra and Goa, there are chances of heavy rainfall in Konkan, Goa, Marathwada and Madhya Maharashtra between 12 and 16 September. In many districts of Maharashtra, the rainy season is going to be fast for the next three days. There is a possibility of heavy rainfall from Satara to Mumbai and Konkan region. During this time, people have been advised to be vigilant and take necessary precautions. The scope of rain will increase on September 12 and in addition, a special warning has been issued for Pune, city and the entire Vidarbha region. In the states of South India like Tamil Nadu, Andhra Pradesh, Telangana and Karnataka, the process of rain will continue with thunderstorms and strong winds. During this time, there can also be incidents of lightning and thunderstorms.

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In view of the estimate of heavy rains from 21 to 23 July in some areas of 2 to 7 districts of Himachal Pradesh, the local meteorological center released ‘Orange Alert’ on Sunday. According to the Meteorological Department, there is a possibility of heavy rains, thunderstorms and lightning at some places in Una, Bilaspur, Hamirpur, Kangra, Mandi, Solan and Sirmaur districts. Light to moderate rains were recorded in some parts of the state on Sunday.

Roads and electricity affected due to heavy rains

Murari Devi received the most 58.6 mm of rain from Saturday evening. After this, 22.3 mm in slapper, 18.5 mm in Hamirpur, 15.2 mm in Kangra, 13.8 mm in Dharamshala, 12.4 mm in Mandi, 12 mm in Jubbadhatti, 11 mm in Jogindranagar, 10.4 mm in Bilaspur, seven mm in Malraon, 5.8 mm in Kandaghat, six mm in Kandaghat. And Sunnibajji recorded five mm of rain.

According to the State Emergency Operations Center (SEOC), a total of 142 roads remained closed in the state till Sunday evening, while 40 drinking water schemes and 26 power distribution transformers have been affected. Mandi district has the highest number of 91 roads closed.

Loss of assets worth crores of rupees

NH-707 is the worst condition, which is closed due to. The work of removing debris has also been disrupted due to continuous rains, due to which people are facing a lot of trouble. So far, a total of Rs 1,220 crore has been damaged due to continuous rains in the state.

The state administration has been kept on high alert and district officials have been instructed to be ready to deal with any emergency. The Government of Himachal Pradesh and the Disaster Management Authority have appealed to the citizens to follow the weather warnings and avoid unnecessary travel.

Local administration engaged in relief work

The local administration is engaged in relief work, but the efforts are being interrupted due to continuous rains. The hills and landslides have been asked to be cautious in possible areas. The Disaster Management Authority has appealed to the citizens to follow the weather warnings and avoid unnecessary travel.

Imd weather forecast today 13 May, 2025: The outbreak of heat has started increasing again across the country including Delhi-NCR. In many places, mercury has crossed 40 degrees. Meanwhile, the Meteorological Department has issued today’s forecast. According to IMD, there is a possibility of rain and thunderstorms in northwest and central India today, while there is a threat of heatwave in Northeast India. Light to moderate rain may occur in South India.

How will the weather be in Delhi-NCR today?

Delhi-NCR is likely to be partly cloudy today. According to the Meteorological Department, there may be light rain or drizzle, which will provide slight relief in temperature. With this, the maximum temperature is estimated to be 37 ° C and the minimum is 27 ° C.

Rain estimate in Uttar Pradesh today

The weather patterns will be mixed in Uttar Pradesh today. Lu can start in eastern Uttar Pradesh from May 14. Today there is a possibility of light rain and strong winds (40-50 km/h). On the other hand, the temperature in western Uttar Pradesh can remain between 38-40 ° C. The maximum temperature is expected to be 38-40 degrees and the minimum temperature is 28 degrees, the Meteorological Department has also issued a warning of lightning.

How will the weather be in Himachal Pradesh and Uttarakhand today?

There is a possibility of very light rain in Himachal Pradesh and Uttarakhand. The weather will be mostly dry due to the weak western disturbance. The temperature in Shimla and Dehradun will be between 25-30 degrees.

Rajasthan weather conditions

Lu is expected to run in western Rajasthan from May 15, but today the weather is likely to be partly cloudy and light rain.

Orange alert today in many districts of Bihar

Orange alert has been issued today in many districts of Bihar. The temperature can reach 40–42 ° C. Lu situation can be created in East Champaran, Nawada, Jamui, Banka, Shivhar, Madhubani.

Lu can start in Jharkhand from today

Lu is likely to start in Jharkhand from today. The temperature in Ranchi and surrounding areas will be between 40-42 ° C. There may be dusty storm and light rain in some areas.

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Delhi weather news: The month of April this year in Delhi was the hottest and polluted in the last 3 years. According to reports from India Meteorological Department (IMD) and Central Pollution Control Board (CPCB), both heat and pollution reached record level this time in the country’s capital. Experts believe that there is a huge reason for rainfall and western dry winds.

According to the IMD, the average maximum temperature of Delhi in this April was 39 degrees Celsius, which is 2.5 degrees above normal. This was the hottest month of April 2022, when the average maximum temperature was recorded at 40.4 degrees Celsius. At the same time, the minimum temperature was also 21.8 degrees on average, which is 0.5 degrees above normal.

How much it rained throughout the month?

Meteorological Department officials said that this time due to lack of Western disturbance and lack of rain, the heat in most parts of northwest India was higher than normal. Especially from 7 to 9 April, hot and dry winds in Delhi-NCR created situations like heat. There was only 0.7 mm of rainfall during the entire month, while the normal average is 16.3 mm. In April 2023, 19.4 mm in April and 7.5 mm in 2024 was recorded.

Mahesh Palawat, the meteorological expert and vice -president of Skymet, said that this time the dry and dusty weather not only proved to increase the temperature, but it also severely affected air pollution. He hoped that light rain may occur in early May, but after that the heat may show its effect again.

Talking about the level of pollution, according to the Central Pollution Control Board (CPCB), Delhi’s average air quality index (AQI) was 211 in this April, which is the highest since 2022. This figure keeps air quality in a ‘poor’ category and can adversely affect health.

‘Yellow Alert’ released for 1 and 2 May
On Tuesday (April 29), the maximum temperature of the capital was 37.5 degrees Celsius and the minimum temperature was 24.5 degrees Celsius. The Meteorological Department has expressed the possibility of a similar weather today (30 April). At the same time, ‘Yellow Alert’ has been released in view of the possibility of strong winds and rain between Thursday to Saturday (May 1 to May 2).