Monsoon Intensifies Before Retreat: Severe Rain and High Winds Forecast Across Multiple States Active weather systems over the Bay of Bengal and Andaman Sea bring heavy downpours and gusty winds reaching up to 70 kmph from southern coasts to Rajasthan. Even as the seasonal monsoon readies for its gradual retreat across the subcontinent, dynamic atmospheric setups are triggering an extensive wave of severe precipitation and gusty conditions. Weather assessments for September 20 show a widespread activation of convective clouds stretching across southern, eastern, and central territories. Heightened maritime turmoil around island chains and coastal zones is simultaneously pushing heavy squalls toward inland regions, altering weekend routines and raising local safety concerns. Intense Squalls and Downpours Across Southern Peninsulas and Marine Zones Atmospheric disturbances originating around the Andaman and Nicobar Islands have begun channeling significant cloud masses across southern states. Coastal Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, Puducherry, and Telangana are expected to record substantial downpours accompanied by sustained winds between 40 and 50 kmph. This convergence of moisture threatens to disrupt daily road movement and cause temporary surface waterlogging in vulnerable tracts. Marine environments are experiencing equally turbulent conditions. Wind speeds spanning 45 to 55 kmph, with intermittent gusts accelerating up to 65 kmph, have been predicted across the Andaman Sea and adjoining sections of the Bay of Bengal. Rough seas extend towards the southwest Arabian Sea, prompting clear instructions for fishing operators to suspend offshore operations. Meanwhile, parts of the northeastern states also remain vulnerable to sporadic cloudbursts and localized lightning strikes. Eastern Corridors Face Gales and Persistent Thunderstorms The eastern belt is set to experience marked instability driven by low-pressure formations. In Jharkhand, surface winds ranging from 30 to 40 kmph are forecast alongside frequent thunder and cloud development. Authorities have urged residents and agricultural laborers to avoid open expanses and refrain from seeking shelter beneath isolated trees when electrical storms develop. West Bengal is preparing for particularly vigorous squalls, with several municipal and district pockets on alert for heavy rainfall and winds reaching 55 to 60 kmph. Affected areas include Kolkata, Howrah, Purulia, Malda, Birbhum, Darjeeling, Kalimpong, Durgapur, Nadia, and Murshidabad. The regional capital Kolkata is projected to record a high of 31 degrees and a low of 27 degrees Celsius, with strong winds potentially posing hazards to weak temporary installations and roadside vegetation. Rainfall Footprint Across Northern Belts and the Capital Region Neighboring Bihar is likely to witness convective rain activity triggered by shifting weather bands from adjacent eastern zones. Farmers working outdoors have been encouraged to seek structural shelter immediately upon the onset of thunder. Similar shifts are anticipated across Madhya Pradesh, where cloud cover and sudden showers continue to impact multiple districts through September 20. In Uttar Pradesh, moisture ingress into western and central districts may stimulate rapid storm formations accompanied by sudden gusts. While the National Capital Region and Delhi lack warnings for severe prolonged downpours, surrounding regional activity is expected to keep skies partly overcast, with brief localized thunderstorms remaining possible throughout the afternoon. Severe Gusts Up to 70 kmph Predicted for Rajasthan The most intense convective wind activity is projected across Rajasthan, where a sharp weather shift is taking shape. Districts including Jaipur, Jaisalmer, Jhunjhunu, Sikar, Sawai Madhopur, Churu, Ajmer, Tonk, Bikaner, Bundi, Chittorgarh, Dholpur, and Bharatpur face heavy rain combined with violent gales blowing at 60 to 70 kmph. In Jaipur, where mercury levels are expected to range between a maximum of 33 degrees and a minimum of 24 degrees Celsius, motorists have been advised to exercise extreme caution on transit corridors due to reduced visibility and strong sidewinds. What this means for you Severe thunderstorms and high wind advisories directly influence transportation, field agriculture, and maritime safety. • Across India: Wind gusts ranging from 40 to 70 kmph across several regions can cause temporary delays in road, rail, and flight networks. Travelers and residents must avoid sheltering under trees or weak canopies during active lightning. • In Coastal and Maritime Zones: Marine conditions in the Bay of Bengal, Andaman Sea, and Arabian Sea feature gusts up to 65 kmph, prompting an immediate halt on fishing expeditions. Coastal populations should prepare for surface waterlogging and rough beach tides. • In Rajasthan and West Bengal: Gale winds reaching up to 70 kmph in 13 Rajasthan districts and 60 kmph in 10 Bengal areas threaten temporary roofs and standing crops. Motorists on open highways must reduce speed to counter sudden sideways wind shear. • For Agricultural Workers: Field workers in Uttar Pradesh, Bihar, and Jharkhand face severe lightning hazards during afternoon cloud development. Farmers should shift to secure enclosed spaces as soon as thunder begins and protect harvested produce. Why this happened During the retreat phase of the monsoon, shifting wind dynamics interact with active oceanic zones over the Andaman Sea and Bay of Bengal to trigger localized severe weather. • Marine Pressure Disturbances: Active low-level circulations over the Andaman Sea and Bay of Bengal have concentrated dense moisture streams toward southern and eastern peninsulas. This marine activity has escalated localized wind gusts up to 65 kmph across open waters. • Moisture and Heat Ingress: The convergence of retreating dry air with residual tropical humidity creates convective instability across central and northern plains. This thermal collision generates rapid thunderclouds and drives gale-force winds reaching 70 kmph over Rajasthan. • Seasonal Withdrawal Behavior: The retreating phase of the monsoon typically features intense, short-duration convective squalls before skies clear definitively. These abrupt downpours represent the final major precipitation bursts across transitional zones. Questions & Answers 1. Which states have been warned of heavy rainfall on September 20? Heavy rainfall is expected across the Andaman and Nicobar Islands, Coastal Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, Puducherry, and Telangana. 2. What are the projected wind speeds over marine waters? Winds over the Andaman Sea and Bay of Bengal are forecast between 45 and 55 kmph, with squally gusts touching up to 65 kmph. 3. Which districts in West Bengal are under severe storm alerts? Alerts cover Kolkata, Howrah, Malda, Birbhum, Darjeeling, Purulia, Kalimpong, Durgapur, Nadia, and Murshidabad with gusts reaching 55 to 60 kmph. 4. What weather conditions are predicted for Rajasthan? Thirteen districts, including Jaipur, Jaisalmer, Bikaner, and Churu, face gale winds of 60 to 70 kmph alongside intense downpours. 5. How will the weather unfold across Delhi and NCR? While no severe rainfall alert exists for Delhi-NCR, regional disturbances could trigger cloud cover and sporadic localized thunderstorms. https://trendkia.com/en/national/vapasi-se-pahale-sakriya-hua-monsoon-kai-rajyon-men-bhari-barisha-aura-teja-havaon-ki-chetavani-35051 TrendKia — Har trend, sabse pehle.