The India Meteorological Department (IMD) has issued an orange alert for seven districts in Kerala due to predicted very heavy rainfall. Residents are advised to remain vigilant.

Key Takeaways

  • Seven districts in Kerala are under an 'Orange Alert'.
  • Affected areas include Pathanamthitta, Alappuzha, and Wayanad.
  • A cyclonic circulation is expected to trigger low pressure in the Bay of Bengal.

Heavy monsoon rains continue to lash various parts of Kerala, prompting the India Meteorological Department (IMD) to issue an orange alert for seven districts on Saturday. The warning covers Pathanamthitta, Alappuzha, Kottayam, Kozhikode, Wayanad, Kannur, and Kasaragod, indicating a high probability of very heavy rainfall.

According to recent meteorological bulletins, an upper air cyclonic circulation is situated over South Gangetic West Bengal and adjoining Bangladesh. This system is expected to evolve into a low-pressure area over the coastal areas of the northwest Bay of Bengal within the next 24 hours. This atmospheric shift, combined with strong westerlies, is expected to intensify the rainfall across the state and Lakshadweep.

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Why This Matters

BozokMedia analysis shows that such intense weather patterns significantly increase the risk of landslides in the Western Ghats and flash floods in the coastal plains. The sudden surge in precipitation can overwhelm local drainage systems and disrupt critical transportation networks.

The prevailing westerlies and northwesterlies are expected to sustain these heavy rain spells for at least the next couple of days.

Rainfall intensity has already been significant; Kumarakom recorded a massive 14 cm of rain, while Vaikkom and Kottayam reported 13 cm and 9 cm respectively over the last 24-hour period. Local authorities are monitoring the situation closely to manage potential emergencies.

Historical Background

Kerala's monsoon patterns are highly sensitive to cyclonic activities in the Bay of Bengal. Historically, the combination of cyclonic circulation and low-pressure systems has been a primary driver for extreme weather events in the state, necessitating robust disaster management protocols.

Did You Know?: The topography of Kerala causes 'orographic rainfall,' where mountains force moist air upwards, leading to intense localized downpours.

Frequently Asked Questions

1. Which districts are under the Orange Alert?
Pathanamthitta, Alappuzha, Kottayam, Kozhikode, Wayanad, Kannur, and Kasaragod.

2. What is the cause of this heavy rain?
It is caused by a cyclonic circulation over West Bengal and the formation of a low-pressure area in the Bay of Bengal.