What is a heat wave? Heat wave is considered if maximum temperature of a station reaches at least 40°C or more for Plains, 37°C or more for coastal stations and at least 30°C or more for Hilly regions.
Following criteria are used to declare heat wave: • Based on Departure from Normal temperature: Heat Wave: If 4-6°C departure from normal, Cold wave is characterized by a rapid and marked fall of temperature. Heat Waves • Heat wave is considered if maximum temperature of a station reaches at least 40°C or more for Plains, 37°C or more for coastal stations and at least 30°C or more for Hilly regions. Heat Wave: Departure from normal is 4.5°C to 6.4°C.
The IMD has given the following criteria for Heat Waves: A Heat Wave is a period of abnormally high temperatures, more than the normal maximum temperature that occurs during the summer season in the North-Western parts of India.
Timely access to drinking water can help mitigate this escalation.Further research using sub-district level data to provide separate indices for urban and rural areas to enable more targeted geographical interventions.Provision of public messaging(radio, TV), mobile phone-based text messages, automated phone calls and alerts.Promotion of traditional adaptation practices, such as staying indoors and wearing comfortable clothes.Popularisation of simple design features such as shaded windows, underground water storage tanks and insulating housing materials.Advance implementation of local Heat Action Plans, plus effective inter-agency coordination is a vital response which the government can deploy in order to protect vulnerable groups.Mains Question: Examine the adverse impacts caused by heat waves and how India should deal with it? Heat Waves: Environment for UPSC Exams. Temperature rises above 45°C-45°C in some isolated pockets of Vidarbha in eastern Maharashtra, Telangana, Andhra Pradesh and Odisha during this week. Enter your email address to subscribe to this blog and receive notifications of new posts by email.Today, Insights is synonymous with UPSC civil services exam preparation.
Odisha State Disaster Management Authority (OSDMA) has issued a heat wave warning to most of the districts in the Odisha state. Cold waves can easily cause a snowstorm to pop up almost out of nowhere. The topic about Heat Waves and their risks are featured in the General Studies section of the UPSC Prelims Exam. A lot of people can experience hypothermia due not being properly dressed and it all the sudden drops below freezing temperatures out of nowhere. Definition of Heat Waves The World Meteorological Organization defines a heat wave as five or more consecutive days during which the daily maximum temperature exceeds the average maximum temperature by five degrees Celsius. Enter your email address to subscribe to this blog and receive notifications of new posts by email.Today, Insights is synonymous with UPSC civil services exam preparation. Insights has redefined the way preparation is done in UPSC civil service examNanda Ashirwad Complex, 3rd Floor, Above Village Hyper Market, Chandralyout Main Road, Attiguppe , Bengaluru - 560040Important Geophysical phenomena such as earthquakes, Tsunami, Volcanic activity, cyclone etc., geographical features and their location- changes in critical geographical features.Heat Wave: Departure from normal is 4.5°C to 6.4°C.Based on Actual Maximum Temperature (for plains only):Severe Heat Wave: When actual maximum temperature ≥47°C.The health impacts of Heat Waves typically involve dehydration, heat cramps, heat exhaustion and/or heat stroke.Children, the elderly and those with pre-existing morbidities are particularly vulnerable.Vegetable vendors, cab drivers, construction workers, police personnel, road side kiosk operators and mostly weaker sections of the society have to work in the extreme heat to make their ends meet and are extremely vulnerable to the adverse impacts of heat waves such as dehydration, heat and sun strokes.Magnified effect of paved and concrete surfaces in urban areas and a lack of tree cover.Urban heat island effects can make ambient temperatures feel 3 to 4 degrees more than what they are.More heat waves were expected as globally temperatures had risen by an average 0.8 degrees in the past 100 years.
Overall, across sectors The India Meteorological Department had reported that from 1901 to 2007, there was an increase of more than 0.5°C in mean temperature, with considerable geographic variation, and climate forecasts by research groups project a 2.2-5.5°C rise in temperatures in northern, central and western India by the end of the 21st century.Heat Wave: Departure from normal is 4.5°C to 6.4°C.Based on Actual Maximum Temperature (for plains only):Severe Heat Wave: When actual maximum temperature ≥47°CTo declare heat wave, the above criteria should be met at least in 2 stations in a Meteorological sub-division for at least two consecutive days and it will be declared on the second day.Higher daily peak temperatures and longer, more intense heat waves are becomingly increasingly frequent globally due to climate change.India too is feeling the impact of climate change in terms of increased instances of heat waves which are more intense in nature with each passing year, and have a devastating impact on human health.
The heat waves are rising constantly across India. Cold waves can bring in snow storms that force you inside for days at a time. Heat Waves: A Heat Wave is a period of abnormally high temperatures, more than the normal maximum temperature that occurs during the summer season in the North-Western parts of India. Heat Waves typically occur between March and June, and in some rare cases even extend till July.
The term ‘cold’ describes an unusual fall in temperature that is triggered by the transport of cold air masses into a specific area. Severe Heat Wave: Departure from normal is >6.4°C.
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