The India Meteorological Department (IMD) has issued a heavy rainfall warning for Tamil Nadu and Andhra Pradesh for Wednesday, December 11, and Thursday, December 12, due to a “well-marked low-pressure area” over the southwest and adjoining southeast Bay of Bengal. The weather department has issued an “orange alert” for heavy rain in Tamil Nadu, Puducherry, Karaikal, Kerala, and Mahe, and a “yellow alert” for rain in Coastal Andhra Pradesh, Yanam, Rayalaseema, and South Interior Karnataka for the next two days.
According to the regional meteorological centre in Chennai, on December 11, light to moderate rain is expected in many areas of Tamil Nadu, Puducherry, and Karaikal, with thunderstorms and lightning likely in one or two places. Heavy to very heavy rainfall is expected at isolated places in Cuddalore, Mayiladuthurai, Nagapattinam, Thanjavur, Tiruvarur, and Pudukkottai districts of Tamil Nadu and Karaikal. Heavy rain is also likely in isolated areas of Sivaganga, Ramanathapuram, Tiruchirappalli, Perambalur, Ariyalur, Kallakurichi, Villuppuram, Chengalpattu, Kancheepuram, Chennai, and Tiruvallur districts of Tamil Nadu, along with Puducherry.
Rainfall forecast for December
The weather department had predicted above-normal rainfall in most parts of peninsular India, west-central India, and some areas of east-central and northeast India. Meanwhile, normal to below-normal rainfall is predicted over much of north and northwest India, as well as several regions of east and northeast India.
On December 12, the weather centre forecasts light to moderate rain in many areas of Tamil Nadu, Puducherry, and Karaikal, with thunderstorms and lightning in one or two places. Heavy to very heavy rainfall is likely in isolated places of Thanjavur, Sivagangai, Pudukkottai, and Tiruchirappalli districts of Tamil Nadu.
Heavy rain is expected at isolated places in Nilgiris, Coimbatore, Tiruppur, Kallakurichi, Cuddalore, Ariyalur, Tiruvarur, Nagapattinam, Mayiladuthurai, Villuppuram, Chengalpattu, Kancheepuram, Chennai, Tiruvallur, Theni, Madurai, Ramanathapuram, Karur, Perambalur, Thoothukudi, and Dindigul districts of Tamil nadu.
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