Weather dept predicts heavy rainfall in TN from tomorrow

IANS May 13, 2025 363 views

The Regional Meteorological Centre in Chennai has issued a comprehensive rainfall forecast for Tamil Nadu, predicting heavy showers across multiple districts. Current heatwave conditions with temperatures reaching 41°C are expected to subside as cloud formations develop over the Arabian Sea and Bay of Bengal. Districts along the Western Ghats, including Nilgiris and Coimbatore, are anticipated to receive significant rainfall starting May 14. The approaching Southwest Monsoon, expected around May 27, may further intensify precipitation activities in the region.

"Cloud formation is likely to intensify over the south Arabian Sea" - B. Amudha, RMC Chennai Head
Weather dept predicts heavy rainfall in TN from tomorrow
Chennai, May 13: The Regional Meteorological Centre (RMC) in Chennai has forecast an increase in rainfall activity across Tamil Nadu starting May 14, with heavy showers expected to lash districts along the Western Ghats and interior regions for three consecutive days.

Key Points

1

RMC predicts 3-day rainfall across Western Ghats districts

2

Temperatures to drop from Wednesday onwards

3

Thunderstorms with winds up to 50 kmph expected

4

Southwest Monsoon approaching by late May

Until then, however, parts of Tamil Nadu and Puducherry will continue to endure intense heat.

Daytime temperatures are expected to hover two to three degrees Celsius above normal, particularly in pockets such as Chennai, where high humidity may add to discomfort.

A marginal dip in temperature is anticipated from Wednesday onwards.

On Monday, Madurai airport recorded the highest maximum temperature in the State at 41 degrees Celsius. Erode and Karur Paramathi also crossed the 40 degrees C mark, reflecting the prevailing heatwave conditions across several districts.

The RMC attributed the upcoming rainfall to pre-monsoon developments in both the Arabian Sea and the Bay of Bengal.

B. Amudha, Head (Additional In-Charge) of RMC Chennai, said cloud formation is likely to intensify over the south Arabian Sea, Maldives, Comorin area, south Bay of Bengal, and Andaman and Nicobar Islands -- potentially triggering rainfall over parts of Tamil Nadu and Kerala.

Dynamic weather models indicate that districts along the Western Ghats -- including Nilgiris, Coimbatore, Tiruppur, Dindigul, Erode, Dharmapuri, Krishnagiri, Tirupattur, Salem, and Tiruvannamalai -- are likely to receive heavy rainfall on May 14.

Showers may continue in isolated areas, especially in Tirupattur and Krishnagiri, through Thursday and Friday.

The RMC has predicted scattered rainfall across the State till May 18, with occasional thunderstorms and gusty winds reaching speeds of 40-50 kmph in some regions.

The approaching Southwest Monsoon, expected to hit Kerala around May 27, could further enhance rainfall activity in Tamil Nadu.

Both clouding branches -- over the Arabian Sea and the Bay of Bengal -- will be closely monitored for signs of monsoon progression, Amudha added.

Reader Comments

P
Priya K.
Finally some relief from this scorching heat! 🌧️ But I hope the rains don't cause flooding like last year. Corporation should clean stormwater drains in Chennai before the heavy showers begin. Stay safe everyone!
R
Rahul M.
As a farmer in Coimbatore district, we desperately need this rain for our summer crops. But heavy rainfall in short duration can damage tender crops. Hope the distribution is even.
S
Saranya V.
The weather department's predictions have been quite accurate this season. Good to see improved forecasting. But 40-50 kmph winds sound concerning - hope they issue proper warnings for fishermen and small boats.
K
Karthik N.
While rain is welcome, our infrastructure isn't ready. Last time heavy rains came, Chennai roads became rivers. When will our civic bodies learn to prepare in advance? 🤦‍♂️
A
Ananya P.
The timing is perfect! This rain will help recharge groundwater before peak summer. Hope people in rural areas get adequate drinking water supply. Monsoon arriving early in Kerala is good news for all South India.
M
Manoj T.
As someone who works outdoors, this alternating between extreme heat and sudden heavy rain is very difficult. Government should issue proper guidelines for construction workers and daily wage laborers during such weather transitions.

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Tamil Nadu Weather Rainfall Forecast RMC Chennai B. Amudha Pre-Monsoon Showers