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Weather Update: IMD Predicts Dense Fog and Heavy Rain in These States

The India Meteorological Department (IMD) has issued a detailed weather update for the coming week, highlighting cyclonic systems, rainfall, temperature trends, and foggy conditions across various regions.

Updated on: 20 November, 2024 10:11 AM IST By: KJ Staff
Representational image of weather (Photo Source: Pixabay)

The India Meteorological Department has issued a weather update for the coming week, forecasting cyclonic developments, widespread rainfall, and dense fog conditions across various regions. Key warnings include heavy rainfall in parts of Tamil Nadu, Assam, and the Nicobar Islands, along with dense fog in northern India. Here’s a quick look at the forecast.

Cyclonic Systems Expected to Intensify

  • South Andaman Sea: An upper air cyclonic circulation is likely to form over the South Andaman Sea around November 21. It is expected to move west-northwestwards and develop into a low-pressure area over the southeast Bay of Bengal by November 23. This system could further intensify into a depression over the southwest Bay of Bengal during the subsequent two days.

  • South Tamil Nadu: A cyclonic circulation persists over south Tamil Nadu and the Comorin area in the lower tropospheric levels.

Rainfall and Thunderstorm Alerts (November 20–25, 2024)

The India Meteorological Department (IMD) has issued rainfall and thunderstorm alerts for several regions across India from November 20 to 25, 2024. Widespread light to moderate rainfall, isolated heavy showers, and occasional hailstorms are expected in Tamil Nadu, Kerala, Andaman & Nicobar Islands, and parts of Northeast India.

Region

Rainfall Type

Dates

Tamil Nadu, Puducherry & Karaikal

Light to moderate rain; isolated heavy

November 20, 25

Kerala & Mahe, Lakshadweep

Light to moderate rain

November 20

Andaman & Nicobar Islands

Light to moderate rain

Throughout the week

Assam & Meghalaya

Light to moderate rain; isolated hail

November 20

Nagaland, Manipur, Mizoram, Tripura

Light to moderate rain

November 20–22

Warnings:

  • Heavy Rainfall: Expected over the Nicobar Islands on November 22–23.

  • Hailstorm Activity: Likely in isolated areas of Assam and Meghalaya on November 20.

Fog Advisory for Northern India

Dense to very dense fog conditions are predicted in isolated pockets:

Region

Dates

Uttar Pradesh

November 20

Punjab, Haryana-Chandigarh

November 21–24

Himachal Pradesh

Till November 22

Travelers are advised to exercise caution during night and early morning hours due to reduced visibility.

Temperature Trends Across India

India experienced varied temperature trends over the past 24 hours, with minimums remaining steady in most regions. While some areas reported above-normal temperatures, others saw a notable dip, reflecting diverse weather patterns across the country.

  • Past 24 Hours: Minimum temperatures remained steady across most parts of the country.

    • Above Normal (3–5°C): Bihar and East Uttar Pradesh.

    • Below Normal (2–3°C): Vidarbha, Odisha, Telangana, and parts of East India.

    • Lowest Temperature Recorded: Sikar, Rajasthan, reported a minimum temperature of 7.2°C.

  • Forecast: No significant changes in minimum temperatures are expected over the next five days.

Delhi/NCR: Cooler Days with Dense Fog

Delhi/NCR is set to experience cooler days accompanied by dense fog in the mornings and evenings. With temperatures dipping below normal and smoggy conditions persisting, residents are advised to prepare for reduced visibility and chilly weather.

Between November 18 and 19, maximum temperatures in Delhi/NCR dropped to 22–23°C, while minimum temperatures ranged from 9–13°C, both significantly below normal levels. Dense fog was observed during this period, with visibility plummeting to 150–200 meters at Safdarjung Airport and 600 meters at Palam Airport.

Date

Weather

Wind

Fog

November 20

Clear skies

Northwest, <10 kmph

Moderate to dense fog

November 21

Clear skies

Northwest, 8–10 kmph

Shallow to moderate fog

November 22

Clear skies

Northwest, 6–8 kmph

Shallow to moderate fog

Residents should prepare for smoggy mornings and evenings, with low wind speeds contributing to air quality concerns.

Residents across affected regions are advised to exercise caution, especially during foggy conditions, and stay updated with latest warnings for rainfall and cyclonic activity. Travelers should plan accordingly to mitigate disruptions caused by low visibility and adverse weather conditions.

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