Southwest monsoon withdrawal advances, rainfall to continue in several states

What does it mean for the southwest monsoon to withdraw from a region?

When the southwest monsoon withdraws from a region, its seasonal rain-bearing circulation is retreating from that area. The withdrawal line marks the approximate boundary between areas still influenced by the monsoon and areas where its influence is weakening. It is a gradual process, not an instant end to all rain.

The article says withdrawal usually begins in western Rajasthan in September. It then progresses across northwest and central India before moving toward the southern peninsula and eastern regions. The pace depends on rainfall and atmospheric conditions.

Currently, the withdrawal line crosses parts of Uttar Pradesh, Jharkhand, Chhattisgarh, Maharashtra and Karnataka. The IMD expects it to move farther from parts of Maharashtra and Chhattisgarh, and some areas of Telangana and north interior Karnataka, over the next two to three days.

Which states and regions are currently along the monsoon withdrawal line, and where is withdrawal expected next?

The monsoon withdrawal line currently stretches through parts of Uttar Pradesh, Jharkhand, Chhattisgarh, Maharashtra and Karnataka. This line identifies the broad zone where the southwest monsoon is retreating or has already weakened. It does not mean every location in those states has identical weather.

Over the next two to three days, the IMD expects withdrawal from more parts of Maharashtra and Chhattisgarh. It also forecasts withdrawal from some areas of Telangana and north interior Karnataka. These areas lie farther along the monsoon’s usual route toward the southern peninsula.

The broader pattern normally begins in western Rajasthan during September. It then advances through northwest and central India before reaching southern and eastern regions. The exact speed varies because rainfall and atmospheric conditions can slow or accelerate the retreat.

How much of India’s annual rainfall is supplied by the southwest monsoon?

About 70% of India’s annual rainfall comes from the southwest monsoon. This is the most important seasonal source of water for much of the country. Its arrival, strength, distribution and withdrawal all matter because rainfall is not spread evenly across regions or months.

For example, monsoon rain supports crop production and replenishes reservoirs. The article links the monsoon directly with farm output, reservoir levels and rural economic activity. A timely season can improve water availability, while uneven or poorly timed rain can create risks for farmers and water managers.

The current withdrawal is therefore closely watched by policymakers and agricultural markets. Even as the monsoon retreats, several regions are forecast to receive rain. This shows why the total seasonal share alone is not enough; the timing and location of rainfall also influence India’s economy and water security.

Why can rainfall continue in parts of India even while the southwest monsoon is withdrawing?

Monsoon withdrawal describes a broad seasonal shift, not a nationwide switch from rain to dry weather. As the monsoon retreats, its influence weakens in some locations while other regions can still receive rain. The article specifically notes that withdrawal speed depends on prevailing rainfall and atmospheric conditions.

For instance, northwest India is expected to receive rain during the coming week, even as withdrawal advances elsewhere. Jammu and Kashmir may see fairly widespread to widespread rainfall on 8 and 10 October. Kerala and Mahe are also forecast to receive widespread rain during 8–11 October.

Rain can continue because regional weather systems and local atmospheric conditions do not change everywhere at the same time. The IMD forecast also includes thunderstorms, lightning and gusty winds in parts of central India. Thus, withdrawal signals a changing seasonal pattern, not the immediate disappearance of every rain-producing process.

What kinds of weather are forecast across northwest, central, eastern and southern India during the coming days?

Northwest India is forecast to receive varied rainfall from 8–13 October. Jammu and Kashmir, Ladakh, Gilgit-Baltistan and Muzaffarabad may get fairly widespread to widespread rain on 8 and 10 October. Himachal Pradesh, Uttarakhand, Punjab, Haryana, Chandigarh and Delhi may see isolated to scattered showers.

Central and eastern India also face mixed conditions. Chhattisgarh and East Madhya Pradesh may receive isolated to scattered rain, with thunderstorms, lightning and gusty winds possible in Chhattisgarh. Bihar, Odisha and parts of West Bengal and Sikkim are forecast to receive rain, including widespread rain in some places.

Southern India is expected to remain active. Kerala and Mahe may receive fairly widespread to widespread rain through 11 October. Tamil Nadu, Puducherry and Karaikal may see widespread rain on 9 October. Coastal Andhra Pradesh, Rayalaseema and Karnataka may receive isolated to scattered showers.

How do monsoon withdrawal and continued rainfall affect crops, reservoirs and rural economic activity?

The southwest monsoon supplies about 70% of India’s annual rainfall, so its withdrawal affects the water and farming calendar. Farmers and policymakers watch whether rain is ending, continuing or becoming uneven. These patterns can influence crop growth, harvesting conditions and decisions about water use.

Reservoirs also respond to the balance between incoming rain and water demand. Continued showers may add water in some basins, while withdrawal can signal less regular monsoon inflow elsewhere. The article highlights reservoir levels and farm output as key reasons the withdrawal is closely monitored.

Rural economic activity is linked to both outcomes. Adequate rain can support crops and related livelihoods, while poorly timed or insufficient rain can create pressure. At the same time, heavy or stormy episodes may disrupt fieldwork. The coming forecasts show that withdrawal and rainfall can occur together across different parts of India.

What is the southwest monsoon, and how does seasonal heating and atmospheric circulation bring its rains to India?

The southwest monsoon is a seasonal wind and rainfall system that brings most of India’s annual rain. During the warmer months, the Indian landmass heats strongly. This helps create lower pressure over land, while surrounding ocean areas remain relatively higher in pressure. Winds are drawn toward the heated land.

As these winds cross the Arabian Sea and Bay of Bengal, they gather moisture. Their southwest-to-northeast flow brings rain when the air rises over India’s terrain and interacts with changing atmospheric conditions. The system is not uniform; rainfall varies by region, time and intensity.

The article states that the southwest monsoon contributes about 70% of India’s annual rainfall. It usually withdraws first from western Rajasthan in September, then advances across northwest and central India toward the southern peninsula and eastern regions. Its withdrawal pace depends on rainfall and atmospheric conditions.

Key Facts:

📌 Withdrawal marks the monsoon’s gradual retreat from a region.

📌 The withdrawal line shifts according to rainfall and atmospheric conditions.

📌 Withdrawal does not instantly end all rainfall.

📌 The withdrawal line currently crosses parts of five states.

📌 More Maharashtra and Chhattisgarh may see withdrawal within two to three days.

📌 Parts of Telangana and north interior Karnataka are next.

📌 The southwest monsoon supplies about 70% of India’s annual rainfall.