Weather Update: Heavy Rainfall Expected in Tamil Nadu, Kerala, and Andhra Pradesh; Dense Fog in Punjab and Himachal Pradesh

The India Meteorological Department (IMD) has issued a weather advisory regarding a developing low-pressure area over the southwest Bay of Bengal, expected to bring heavy rainfall to several southern states in the coming days. Meanwhile, dense fog is forecast in parts of Punjab and Himachal Pradesh, affecting visibility.

Weather Systems at Play

• Low-Pressure Formation: A cyclonic circulation over the southwest Bay of Bengal is likely to evolve into a low-pressure area within the next 24 hours. This system is expected to gradually move westward toward the Tamil Nadu and Sri Lanka coasts over the next two days.

• Western Disturbance: A fresh Western Disturbance is anticipated to impact the Western Himalayan region starting from November 14, 2024.

Forecast and Warnings (November 12-17, 2024)

• Rainfall and Thunderstorm Activity: Light to moderate rainfall is anticipated across Tamil Nadu, Puducherry, Karaikal, Coastal Andhra Pradesh, Yanam, and Rayalaseema from November 12-15. Isolated thunderstorms with lightning are likely in these areas.

• Heavy Rainfall: Heavy rainfall is expected in Tamil Nadu (November 12-17), Kerala & Mahe (November 13-17), Rayalaseema (November 12-13), South Interior Karnataka (November 13-14), and Coastal Andhra Pradesh & Yanam (November 12-14).

Dense Fog Warnings

The IMD has reported dense to very dense fog in certain pockets, specifically in Punjab and Himachal Pradesh, impacting early morning visibility.

Temperature Conditions and Forecast

The minimum temperatures across most regions remained stable over the last 24 hours, with above-normal temperatures noted in several areas:

The lowest minimum temperature recorded today was 13.2°C in Mandla (East Madhya Pradesh).

Temperature Forecast:

• No major change is expected in minimum temperatures over northwest and central India over the next 4-5 days.

• East India is likely to experience stable temperatures for the next two days, followed by a gradual drop of 3-4°C.

Delhi/NCR Weather Forecast (November 12-14, 2024)

The Delhi/NCR region experienced a slight decrease in both maximum and minimum temperatures over the past 24 hours, with an above-normal maximum temperature by 1-2°C and minimum temperature by 3-5°C. Visibility was impacted due to mist and shallow fog observed at Safdarjung and Palam airports this morning.

The IMD advises caution for travelers in fog-affected areas, especially in Punjab and Himachal Pradesh. Residents of Tamil Nadu, Andhra Pradesh, Kerala, and South Karnataka should be prepared for heavy rainfall and potential localized flooding in vulnerable areas.