Weather Update: Heavy Rain to Hit Tamil Nadu, Kerala, and Karnataka; Dense Fog Expected Across Northern India

The India Meteorological Department (IMD) has issued an updated weather forecast for the upcoming days, detailing heavy rainfall, fog, and temperature fluctuations across different regions of India. The report highlights isolated heavy rainfall expected over certain southern states, dense fog in northwest India, and gradual changes in temperatures. Below is a detailed overview with key weather systems, forecast warnings, and specific weather predictions for Delhi and the NCR region.

Weather Systems at Play

• Cyclonic Circulation: A cyclonic circulation persists over South Tamil Nadu and nearby areas at lower tropospheric levels, contributing to the rainfall activity in southern states.

• Western Disturbance: A Western Disturbance, identified as a cyclonic circulation, is present over North Afghanistan and parts of Pakistan, with an upper trough extending along Long. 65°E and north of Lat. 30°N, impacting Northwest India's weather.

• Jet Stream Winds: High-speed jet streams reaching up to 120 knots are observed over Northwest India at approximately 12.6 km above sea level, which may influence fog and wind conditions.

Rainfall Forecast and Warnings

Tamil Nadu, Kerala, and parts of South Interior Karnataka are expected to experience heavy rainfall on November 14 and 15, while Coastal Andhra Pradesh may see heavy rain on November 14.

Fog Conditions

Dense fog is anticipated in several northern states during early morning and nighttime hours over the next few days. The regions and expected timelines are outlined below:

Temperature Forecast

Minimum temperatures over most of India remained relatively unchanged over the past 24 hours, with a noticeable rise in some areas. Notably, regions such as Punjab, Uttar Pradesh, and parts of southern India reported above-normal minimum temperatures.

Delhi/NCR Weather Forecast: November 15–17, 2024

Delhi’s maximum and minimum temperatures currently range between 26-28°C and 11-17°C, respectively. Smog and reduced visibility due to fog are expected each morning, particularly impacting visibility at key locations like Palam and Safdarjung airports.

Residents of Tamil Nadu, Kerala, Karnataka and parts of Andhra Pradesh have been advised to prepare for heavy rainfall in the coming days. Northern states should anticipate dense fog in the coming mornings, which may impact travel and visibility. Temperatures across India are expected to experience slight declines, particularly in northwest and east regions over the next five days.