IMD, heavy rainfall, cyclonic circulation, Southern India weather

IMD Predicts Heavy Rainfall for Southern States Due to Cyclonic Circulations

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The India Meteorological Department (IMD) has forecasted heavy to very heavy rainfall in isolated areas of Coastal Andhra Pradesh and Telangana. Additionally, heavy rainfall is expected in parts of Coastal and South Interior Karnataka, Tamil Nadu, and Kerala. This weather pattern is due to cyclonic circulations over South Tamil Nadu and Rayalaseema, and a trough extending from South Chhattisgarh to the Comorin area.

Weather Forecast for the Next 7 Days

Over the next week, Tamil Nadu, Puducherry, Karaikal, Kerala, Mahe, Lakshadweep, and South Karnataka will see widespread light to moderate rainfall with thunderstorms, lightning, and gusty winds (40-50 kmph). Coastal Andhra Pradesh, Yanam, Telangana, and Rayalaseema may experience isolated to scattered rainfall with similar weather conditions.

Heavy Rainfall Alerts

  • Tamil Nadu, Puducherry, Karaikal: Isolated heavy rainfall expected from May 17th to 21st, with very heavy rainfall predicted during the same period.
  • Kerala, Mahe: Heavy rainfall from May 17th to 19th, with extremely heavy rainfall possible on May 20th and 21st.
  • Coastal and South Interior Karnataka: Heavy rainfall from May 17th to 21st.
  • Lakshadweep: Heavy rainfall expected on May 20th and 21st.
  • Coastal Andhra Pradesh and Rayalaseema: Very heavy rainfall predicted on May 17th.

Orange Alert for Kerala Districts

Kerala is facing significant rainfall, leading the IMD to issue an orange alert for Malappuram and Wayanad districts. A yellow alert is in place for eight other districts. The forecast predicts very heavy rainfall between May 18th and 20th due to strong westerly and southwesterly winds.

  • Orange Alerts: Palakkad and Malappuram on May 18th; Pathanamthitta, Alappuzha, and Idukki on May 19th; seven districts on May 20th and 21st.
  • Red Alert Potential: Some districts may experience rainfall akin to a red alert, indicating extremely heavy rain.

Advancing Southwest Monsoon

The IMD also mentioned that the southwest monsoon is likely to advance into the South Andaman Sea, parts of the Southeast Bay of Bengal, and the Nicobar Islands around May 19th, 2024. The monsoon is expected to reach the Kerala coast by the end of the month.

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